/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/counter-fun.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-13 19:56:33,051 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-13 19:56:33,053 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-13 19:56:33,092 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-13 19:56:33,093 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-13 19:56:33,095 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-13 19:56:33,098 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-13 19:56:33,103 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-13 19:56:33,105 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-13 19:56:33,109 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-13 19:56:33,110 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-13 19:56:33,111 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-13 19:56:33,111 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-13 19:56:33,115 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-13 19:56:33,116 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-13 19:56:33,118 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-13 19:56:33,120 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-13 19:56:33,121 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-13 19:56:33,123 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-13 19:56:33,129 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-13 19:56:33,130 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-13 19:56:33,131 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-13 19:56:33,132 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-13 19:56:33,134 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-13 19:56:33,140 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-13 19:56:33,140 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-13 19:56:33,141 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-13 19:56:33,142 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-13 19:56:33,142 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-13 19:56:33,143 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-13 19:56:33,143 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-13 19:56:33,144 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-13 19:56:33,145 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-13 19:56:33,146 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-13 19:56:33,147 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-13 19:56:33,147 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-13 19:56:33,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-13 19:56:33,148 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-13 19:56:33,148 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-13 19:56:33,169 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-13 19:56:33,170 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-13 19:56:33,173 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2021-07-13 19:56:33,205 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-13 19:56:33,205 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-13 19:56:33,206 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-13 19:56:33,206 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-13 19:56:33,208 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-13 19:56:33,208 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-13 19:56:33,209 INFO L138 SettingsManager]: * Use SBE=true [2021-07-13 19:56:33,209 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-13 19:56:33,209 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-13 19:56:33,209 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-13 19:56:33,210 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-13 19:56:33,210 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-13 19:56:33,210 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-13 19:56:33,210 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-13 19:56:33,210 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-13 19:56:33,210 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-13 19:56:33,211 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-13 19:56:33,211 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-13 19:56:33,211 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-13 19:56:33,211 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-13 19:56:33,211 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-13 19:56:33,211 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-13 19:56:33,211 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-13 19:56:33,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-13 19:56:33,212 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-13 19:56:33,212 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-13 19:56:33,212 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-13 19:56:33,212 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-13 19:56:33,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-13 19:56:33,213 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-13 19:56:33,213 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-13 19:56:33,213 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-13 19:56:33,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-13 19:56:33,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-13 19:56:33,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-13 19:56:33,553 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-13 19:56:33,554 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-13 19:56:33,555 INFO L432 ainManager$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 [2021-07-13 19:56:33,555 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/counter-fun.wvr.bpl' [2021-07-13 19:56:33,591 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-13 19:56:33,593 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-13 19:56:33,594 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-13 19:56:33,595 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-13 19:56:33,595 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-13 19:56:33,605 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 13.07 07:56:33" (1/1) ... [2021-07-13 19:56:33,613 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 13.07 07:56:33" (1/1) ... [2021-07-13 19:56:33,620 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-13 19:56:33,621 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-13 19:56:33,621 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-13 19:56:33,621 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-13 19:56:33,626 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 07:56:33" (1/1) ... [2021-07-13 19:56:33,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 07:56:33" (1/1) ... [2021-07-13 19:56:33,627 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 07:56:33" (1/1) ... [2021-07-13 19:56:33,627 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 07:56:33" (1/1) ... [2021-07-13 19:56:33,629 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 07:56:33" (1/1) ... [2021-07-13 19:56:33,631 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 07:56:33" (1/1) ... [2021-07-13 19:56:33,631 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 07:56:33" (1/1) ... [2021-07-13 19:56:33,632 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-13 19:56:33,633 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-13 19:56:33,633 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-13 19:56:33,633 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-13 19:56:33,634 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 07:56:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-13 19:56:33,690 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-13 19:56:33,691 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-13 19:56:33,691 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-13 19:56:33,691 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-13 19:56:33,691 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-13 19:56:33,691 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-13 19:56:33,691 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-13 19:56:33,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-13 19:56:33,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-13 19:56:33,692 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-13 19:56:33,850 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-13 19:56:33,850 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-13 19:56:33,852 INFO L202 PluginConnector]: Adding new model counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 07:56:33 BoogieIcfgContainer [2021-07-13 19:56:33,852 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-13 19:56:33,853 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-13 19:56:33,853 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-13 19:56:33,856 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-13 19:56:33,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 07:56:33" (1/2) ... [2021-07-13 19:56:33,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eb1b3cb and model type counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 07:56:33, skipping insertion in model container [2021-07-13 19:56:33,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 07:56:33" (2/2) ... [2021-07-13 19:56:33,858 INFO L111 eAbstractionObserver]: Analyzing ICFG counter-fun.wvr.bpl [2021-07-13 19:56:33,862 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-13 19:56:33,863 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-13 19:56:33,863 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-13 19:56:33,863 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-13 19:56:33,889 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-13 19:56:33,907 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-07-13 19:56:33,939 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-13 19:56:33,940 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-13 19:56:33,940 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-13 19:56:33,940 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-13 19:56:33,940 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-13 19:56:33,940 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-13 19:56:33,940 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-13 19:56:33,940 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-13 19:56:33,965 INFO L110 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 27 places, 22 transitions, 60 flow [2021-07-13 19:56:33,977 INFO L132 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 32 states, 31 states have (on average 1.8064516129032258) internal successors, (56), 31 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) [2021-07-13 19:56:33,979 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 31 states have (on average 1.8064516129032258) internal successors, (56), 31 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) [2021-07-13 19:56:33,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-07-13 19:56:33,985 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:56:33,986 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:56:33,986 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:56:33,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:56:33,998 INFO L82 PathProgramCache]: Analyzing trace with hash -1451168716, now seen corresponding path program 1 times [2021-07-13 19:56:34,005 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:56:34,005 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039741691] [2021-07-13 19:56:34,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:56:34,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:56:34,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:56:34,161 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:56:34,161 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039741691] [2021-07-13 19:56:34,162 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039741691] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-13 19:56:34,162 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-13 19:56:34,163 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-13 19:56:34,163 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546799320] [2021-07-13 19:56:34,167 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-13 19:56:34,167 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:56:34,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-13 19:56:34,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-13 19:56:34,186 INFO L87 Difference]: Start difference. First operand has 32 states, 31 states have (on average 1.8064516129032258) internal successors, (56), 31 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) 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) [2021-07-13 19:56:34,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:56:34,239 INFO L93 Difference]: Finished difference Result 57 states and 105 transitions. [2021-07-13 19:56:34,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-13 19:56:34,240 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 [2021-07-13 19:56:34,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:56:34,248 INFO L225 Difference]: With dead ends: 57 [2021-07-13 19:56:34,248 INFO L226 Difference]: Without dead ends: 50 [2021-07-13 19:56:34,250 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-13 19:56:34,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2021-07-13 19:56:34,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 41. [2021-07-13 19:56:34,285 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) [2021-07-13 19:56:34,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 74 transitions. [2021-07-13 19:56:34,289 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 74 transitions. Word has length 14 [2021-07-13 19:56:34,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:56:34,291 INFO L482 AbstractCegarLoop]: Abstraction has 41 states and 74 transitions. [2021-07-13 19:56:34,291 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) [2021-07-13 19:56:34,291 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 74 transitions. [2021-07-13 19:56:34,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-07-13 19:56:34,292 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:56:34,293 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:56:34,293 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-13 19:56:34,293 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:56:34,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:56:34,297 INFO L82 PathProgramCache]: Analyzing trace with hash -334624586, now seen corresponding path program 1 times [2021-07-13 19:56:34,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:56:34,298 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983141699] [2021-07-13 19:56:34,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:56:34,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:56:34,420 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:56:34,421 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:56:34,421 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983141699] [2021-07-13 19:56:34,421 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983141699] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:34,422 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [543863584] [2021-07-13 19:56:34,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:56:34,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:56:34,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-13 19:56:34,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:56:34,586 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:56:34,586 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [543863584] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:34,587 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:56:34,587 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2021-07-13 19:56:34,588 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570191099] [2021-07-13 19:56:34,588 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-13 19:56:34,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:56:34,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-13 19:56:34,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-07-13 19:56:34,589 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) [2021-07-13 19:56:34,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:56:34,736 INFO L93 Difference]: Finished difference Result 68 states and 120 transitions. [2021-07-13 19:56:34,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-13 19:56:34,737 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 [2021-07-13 19:56:34,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:56:34,738 INFO L225 Difference]: With dead ends: 68 [2021-07-13 19:56:34,739 INFO L226 Difference]: Without dead ends: 68 [2021-07-13 19:56:34,739 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 138.8ms TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2021-07-13 19:56:34,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2021-07-13 19:56:34,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 41. [2021-07-13 19:56:34,745 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) [2021-07-13 19:56:34,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 76 transitions. [2021-07-13 19:56:34,746 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 76 transitions. Word has length 16 [2021-07-13 19:56:34,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:56:34,746 INFO L482 AbstractCegarLoop]: Abstraction has 41 states and 76 transitions. [2021-07-13 19:56:34,746 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) [2021-07-13 19:56:34,746 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 76 transitions. [2021-07-13 19:56:34,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-07-13 19:56:34,747 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:56:34,747 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:56:34,972 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-07-13 19:56:34,972 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:56:34,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:56:34,973 INFO L82 PathProgramCache]: Analyzing trace with hash 368180722, now seen corresponding path program 1 times [2021-07-13 19:56:34,973 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:56:34,973 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968943334] [2021-07-13 19:56:34,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:56:34,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:56:35,026 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:56:35,026 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:56:35,027 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968943334] [2021-07-13 19:56:35,027 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968943334] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-13 19:56:35,027 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-13 19:56:35,027 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-13 19:56:35,027 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952368936] [2021-07-13 19:56:35,028 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-13 19:56:35,028 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:56:35,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-13 19:56:35,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-07-13 19:56:35,033 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) [2021-07-13 19:56:35,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:56:35,130 INFO L93 Difference]: Finished difference Result 71 states and 125 transitions. [2021-07-13 19:56:35,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 19:56:35,135 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 [2021-07-13 19:56:35,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:56:35,136 INFO L225 Difference]: With dead ends: 71 [2021-07-13 19:56:35,136 INFO L226 Difference]: Without dead ends: 66 [2021-07-13 19:56:35,137 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 48.8ms TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-07-13 19:56:35,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2021-07-13 19:56:35,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 49. [2021-07-13 19:56:35,146 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) [2021-07-13 19:56:35,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 91 transitions. [2021-07-13 19:56:35,147 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 91 transitions. Word has length 16 [2021-07-13 19:56:35,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:56:35,147 INFO L482 AbstractCegarLoop]: Abstraction has 49 states and 91 transitions. [2021-07-13 19:56:35,147 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) [2021-07-13 19:56:35,147 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 91 transitions. [2021-07-13 19:56:35,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-07-13 19:56:35,148 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:56:35,148 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:56:35,148 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-13 19:56:35,149 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:56:35,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:56:35,149 INFO L82 PathProgramCache]: Analyzing trace with hash -896747138, now seen corresponding path program 2 times [2021-07-13 19:56:35,149 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:56:35,149 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101728255] [2021-07-13 19:56:35,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:56:35,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:56:35,238 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:56:35,239 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:56:35,239 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101728255] [2021-07-13 19:56:35,239 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101728255] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-13 19:56:35,239 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-13 19:56:35,240 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-13 19:56:35,240 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353926777] [2021-07-13 19:56:35,240 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-13 19:56:35,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:56:35,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-13 19:56:35,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-07-13 19:56:35,241 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) [2021-07-13 19:56:35,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:56:35,304 INFO L93 Difference]: Finished difference Result 51 states and 94 transitions. [2021-07-13 19:56:35,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 19:56:35,305 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 [2021-07-13 19:56:35,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:56:35,309 INFO L225 Difference]: With dead ends: 51 [2021-07-13 19:56:35,309 INFO L226 Difference]: Without dead ends: 51 [2021-07-13 19:56:35,310 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 58.6ms TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-07-13 19:56:35,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-07-13 19:56:35,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 43. [2021-07-13 19:56:35,323 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) [2021-07-13 19:56:35,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 79 transitions. [2021-07-13 19:56:35,324 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 79 transitions. Word has length 16 [2021-07-13 19:56:35,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:56:35,324 INFO L482 AbstractCegarLoop]: Abstraction has 43 states and 79 transitions. [2021-07-13 19:56:35,324 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) [2021-07-13 19:56:35,324 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 79 transitions. [2021-07-13 19:56:35,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-07-13 19:56:35,325 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:56:35,325 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:56:35,325 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-13 19:56:35,325 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:56:35,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:56:35,326 INFO L82 PathProgramCache]: Analyzing trace with hash 2014322076, now seen corresponding path program 2 times [2021-07-13 19:56:35,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:56:35,326 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864232932] [2021-07-13 19:56:35,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:56:35,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:56:35,383 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:56:35,383 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:56:35,385 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864232932] [2021-07-13 19:56:35,386 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864232932] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-13 19:56:35,387 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-13 19:56:35,387 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-13 19:56:35,387 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791889790] [2021-07-13 19:56:35,387 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-13 19:56:35,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:56:35,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-13 19:56:35,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-07-13 19:56:35,389 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) [2021-07-13 19:56:35,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:56:35,469 INFO L93 Difference]: Finished difference Result 51 states and 92 transitions. [2021-07-13 19:56:35,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 19:56:35,469 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 [2021-07-13 19:56:35,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:56:35,471 INFO L225 Difference]: With dead ends: 51 [2021-07-13 19:56:35,471 INFO L226 Difference]: Without dead ends: 49 [2021-07-13 19:56:35,471 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 41.8ms TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-07-13 19:56:35,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-07-13 19:56:35,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 43. [2021-07-13 19:56:35,486 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) [2021-07-13 19:56:35,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 78 transitions. [2021-07-13 19:56:35,490 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 78 transitions. Word has length 16 [2021-07-13 19:56:35,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:56:35,490 INFO L482 AbstractCegarLoop]: Abstraction has 43 states and 78 transitions. [2021-07-13 19:56:35,490 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) [2021-07-13 19:56:35,490 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 78 transitions. [2021-07-13 19:56:35,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-07-13 19:56:35,491 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:56:35,491 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:56:35,491 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-07-13 19:56:35,491 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:56:35,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:56:35,492 INFO L82 PathProgramCache]: Analyzing trace with hash -374734348, now seen corresponding path program 1 times [2021-07-13 19:56:35,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:56:35,492 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482170006] [2021-07-13 19:56:35,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:56:35,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:56:35,548 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:56:35,549 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:56:35,549 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482170006] [2021-07-13 19:56:35,549 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482170006] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:35,549 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [134734078] [2021-07-13 19:56:35,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:56:35,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:56:35,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-13 19:56:35,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:56:35,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-07-13 19:56:35,641 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:56:35,643 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:56:35,643 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:56:35,644 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:5 [2021-07-13 19:56:35,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-13 19:56:35,664 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:56:35,665 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:56:35,666 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:56:35,666 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-07-13 19:56:35,674 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:56:35,675 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [134734078] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:35,675 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:56:35,675 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-07-13 19:56:35,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364034507] [2021-07-13 19:56:35,675 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-13 19:56:35,675 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:56:35,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-13 19:56:35,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-13 19:56:35,676 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) [2021-07-13 19:56:35,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:56:35,689 INFO L93 Difference]: Finished difference Result 99 states and 186 transitions. [2021-07-13 19:56:35,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 19:56:35,689 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 [2021-07-13 19:56:35,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:56:35,690 INFO L225 Difference]: With dead ends: 99 [2021-07-13 19:56:35,690 INFO L226 Difference]: Without dead ends: 92 [2021-07-13 19:56:35,691 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.3ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-13 19:56:35,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2021-07-13 19:56:35,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 69. [2021-07-13 19:56:35,694 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) [2021-07-13 19:56:35,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 139 transitions. [2021-07-13 19:56:35,695 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 139 transitions. Word has length 18 [2021-07-13 19:56:35,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:56:35,695 INFO L482 AbstractCegarLoop]: Abstraction has 69 states and 139 transitions. [2021-07-13 19:56:35,696 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) [2021-07-13 19:56:35,696 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 139 transitions. [2021-07-13 19:56:35,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-07-13 19:56:35,696 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:56:35,697 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:56:35,897 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:56:35,898 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:56:35,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:56:35,898 INFO L82 PathProgramCache]: Analyzing trace with hash -1555556108, now seen corresponding path program 2 times [2021-07-13 19:56:35,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:56:35,898 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532346627] [2021-07-13 19:56:35,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:56:35,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:56:35,934 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-13 19:56:35,934 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:56:35,934 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532346627] [2021-07-13 19:56:35,934 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532346627] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-13 19:56:35,934 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-13 19:56:35,935 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-13 19:56:35,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138524565] [2021-07-13 19:56:35,935 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-13 19:56:35,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:56:35,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-13 19:56:35,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-13 19:56:35,937 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) [2021-07-13 19:56:35,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:56:35,958 INFO L93 Difference]: Finished difference Result 118 states and 233 transitions. [2021-07-13 19:56:35,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 19:56:35,958 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 [2021-07-13 19:56:35,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:56:35,960 INFO L225 Difference]: With dead ends: 118 [2021-07-13 19:56:35,960 INFO L226 Difference]: Without dead ends: 111 [2021-07-13 19:56:35,960 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.3ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-13 19:56:35,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2021-07-13 19:56:35,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 86. [2021-07-13 19:56:35,973 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) [2021-07-13 19:56:35,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 181 transitions. [2021-07-13 19:56:35,975 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 181 transitions. Word has length 18 [2021-07-13 19:56:35,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:56:35,976 INFO L482 AbstractCegarLoop]: Abstraction has 86 states and 181 transitions. [2021-07-13 19:56:35,976 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) [2021-07-13 19:56:35,976 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 181 transitions. [2021-07-13 19:56:35,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-07-13 19:56:35,976 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:56:35,977 INFO L508 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:56:35,977 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-07-13 19:56:35,977 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:56:35,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:56:35,977 INFO L82 PathProgramCache]: Analyzing trace with hash -1351545482, now seen corresponding path program 3 times [2021-07-13 19:56:35,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:56:35,978 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426546115] [2021-07-13 19:56:35,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:56:35,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:56:36,072 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:56:36,073 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:56:36,073 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426546115] [2021-07-13 19:56:36,073 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426546115] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:36,073 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [555351951] [2021-07-13 19:56:36,073 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 [2021-07-13 19:56:36,114 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-13 19:56:36,114 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:56:36,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-13 19:56:36,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:56:36,297 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:56:36,297 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [555351951] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:36,297 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:56:36,297 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2021-07-13 19:56:36,297 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832292556] [2021-07-13 19:56:36,298 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-13 19:56:36,298 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:56:36,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-13 19:56:36,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2021-07-13 19:56:36,299 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) [2021-07-13 19:56:36,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:56:36,645 INFO L93 Difference]: Finished difference Result 213 states and 407 transitions. [2021-07-13 19:56:36,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 19:56:36,646 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 [2021-07-13 19:56:36,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:56:36,647 INFO L225 Difference]: With dead ends: 213 [2021-07-13 19:56:36,648 INFO L226 Difference]: Without dead ends: 213 [2021-07-13 19:56:36,648 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 311.2ms TimeCoverageRelationStatistics Valid=185, Invalid=465, Unknown=0, NotChecked=0, Total=650 [2021-07-13 19:56:36,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2021-07-13 19:56:36,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 88. [2021-07-13 19:56:36,653 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) [2021-07-13 19:56:36,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 187 transitions. [2021-07-13 19:56:36,654 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 187 transitions. Word has length 20 [2021-07-13 19:56:36,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:56:36,654 INFO L482 AbstractCegarLoop]: Abstraction has 88 states and 187 transitions. [2021-07-13 19:56:36,654 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) [2021-07-13 19:56:36,655 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 187 transitions. [2021-07-13 19:56:36,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-07-13 19:56:36,655 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:56:36,656 INFO L508 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:56:36,879 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:56:36,879 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:56:36,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:56:36,880 INFO L82 PathProgramCache]: Analyzing trace with hash -265509966, now seen corresponding path program 4 times [2021-07-13 19:56:36,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:56:36,881 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586230082] [2021-07-13 19:56:36,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:56:36,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:56:36,948 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:56:36,948 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:56:36,949 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586230082] [2021-07-13 19:56:36,949 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586230082] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:36,949 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1176153157] [2021-07-13 19:56:36,949 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 [2021-07-13 19:56:36,985 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 19:56:36,985 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:56:36,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-13 19:56:36,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:56:37,128 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:56:37,129 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1176153157] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:37,129 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:56:37,129 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-07-13 19:56:37,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039931889] [2021-07-13 19:56:37,129 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-13 19:56:37,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:56:37,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-13 19:56:37,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-07-13 19:56:37,130 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) [2021-07-13 19:56:37,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:56:37,459 INFO L93 Difference]: Finished difference Result 257 states and 488 transitions. [2021-07-13 19:56:37,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-13 19:56:37,460 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 [2021-07-13 19:56:37,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:56:37,461 INFO L225 Difference]: With dead ends: 257 [2021-07-13 19:56:37,461 INFO L226 Difference]: Without dead ends: 234 [2021-07-13 19:56:37,462 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 305.6ms TimeCoverageRelationStatistics Valid=177, Invalid=473, Unknown=0, NotChecked=0, Total=650 [2021-07-13 19:56:37,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2021-07-13 19:56:37,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 108. [2021-07-13 19:56:37,478 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) [2021-07-13 19:56:37,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 230 transitions. [2021-07-13 19:56:37,479 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 230 transitions. Word has length 20 [2021-07-13 19:56:37,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:56:37,480 INFO L482 AbstractCegarLoop]: Abstraction has 108 states and 230 transitions. [2021-07-13 19:56:37,480 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) [2021-07-13 19:56:37,480 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 230 transitions. [2021-07-13 19:56:37,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-07-13 19:56:37,484 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:56:37,485 INFO L508 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:56:37,704 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:56:37,705 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:56:37,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:56:37,705 INFO L82 PathProgramCache]: Analyzing trace with hash -698013310, now seen corresponding path program 5 times [2021-07-13 19:56:37,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:56:37,705 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606827706] [2021-07-13 19:56:37,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:56:37,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:56:37,768 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:56:37,769 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:56:37,769 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606827706] [2021-07-13 19:56:37,769 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606827706] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:37,769 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1873475441] [2021-07-13 19:56:37,769 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 [2021-07-13 19:56:37,809 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-07-13 19:56:37,810 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:56:37,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-13 19:56:37,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:56:37,936 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:56:37,936 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1873475441] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:37,936 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:56:37,936 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 11 [2021-07-13 19:56:37,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891315389] [2021-07-13 19:56:37,937 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-13 19:56:37,937 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:56:37,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-13 19:56:37,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-07-13 19:56:37,938 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) [2021-07-13 19:56:38,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:56:38,244 INFO L93 Difference]: Finished difference Result 236 states and 462 transitions. [2021-07-13 19:56:38,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 19:56:38,245 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 [2021-07-13 19:56:38,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:56:38,246 INFO L225 Difference]: With dead ends: 236 [2021-07-13 19:56:38,246 INFO L226 Difference]: Without dead ends: 236 [2021-07-13 19:56:38,247 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 259.4ms TimeCoverageRelationStatistics Valid=155, Invalid=351, Unknown=0, NotChecked=0, Total=506 [2021-07-13 19:56:38,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2021-07-13 19:56:38,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 131. [2021-07-13 19:56:38,252 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) [2021-07-13 19:56:38,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 290 transitions. [2021-07-13 19:56:38,253 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 290 transitions. Word has length 20 [2021-07-13 19:56:38,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:56:38,253 INFO L482 AbstractCegarLoop]: Abstraction has 131 states and 290 transitions. [2021-07-13 19:56:38,254 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) [2021-07-13 19:56:38,254 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 290 transitions. [2021-07-13 19:56:38,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-07-13 19:56:38,256 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:56:38,256 INFO L508 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:56:38,479 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-07-13 19:56:38,479 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:56:38,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:56:38,480 INFO L82 PathProgramCache]: Analyzing trace with hash -2081911392, now seen corresponding path program 6 times [2021-07-13 19:56:38,480 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:56:38,480 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485620831] [2021-07-13 19:56:38,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:56:38,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:56:38,519 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:56:38,519 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:56:38,519 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485620831] [2021-07-13 19:56:38,519 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485620831] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:38,519 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [953817413] [2021-07-13 19:56:38,519 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 [2021-07-13 19:56:38,552 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-13 19:56:38,552 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:56:38,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-13 19:56:38,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:56:38,661 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:56:38,661 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [953817413] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:38,661 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:56:38,662 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 11 [2021-07-13 19:56:38,663 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330512661] [2021-07-13 19:56:38,664 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-13 19:56:38,664 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:56:38,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-13 19:56:38,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2021-07-13 19:56:38,664 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) [2021-07-13 19:56:38,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:56:38,929 INFO L93 Difference]: Finished difference Result 208 states and 429 transitions. [2021-07-13 19:56:38,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 19:56:38,929 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 [2021-07-13 19:56:38,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:56:38,932 INFO L225 Difference]: With dead ends: 208 [2021-07-13 19:56:38,932 INFO L226 Difference]: Without dead ends: 204 [2021-07-13 19:56:38,933 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 242.1ms TimeCoverageRelationStatistics Valid=176, Invalid=424, Unknown=0, NotChecked=0, Total=600 [2021-07-13 19:56:38,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2021-07-13 19:56:38,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 133. [2021-07-13 19:56:38,958 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) [2021-07-13 19:56:38,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 292 transitions. [2021-07-13 19:56:38,958 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 292 transitions. Word has length 20 [2021-07-13 19:56:38,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:56:38,958 INFO L482 AbstractCegarLoop]: Abstraction has 133 states and 292 transitions. [2021-07-13 19:56:38,958 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) [2021-07-13 19:56:38,959 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 292 transitions. [2021-07-13 19:56:38,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-07-13 19:56:38,959 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:56:38,959 INFO L508 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:56:39,159 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:56:39,161 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:56:39,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:56:39,161 INFO L82 PathProgramCache]: Analyzing trace with hash -1866660490, now seen corresponding path program 7 times [2021-07-13 19:56:39,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:56:39,161 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295753277] [2021-07-13 19:56:39,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:56:39,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:56:39,236 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:56:39,236 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:56:39,236 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295753277] [2021-07-13 19:56:39,236 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295753277] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:39,236 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1326702179] [2021-07-13 19:56:39,237 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 [2021-07-13 19:56:39,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:56:39,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-13 19:56:39,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:56:39,374 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:56:39,375 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1326702179] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:39,375 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:56:39,375 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-07-13 19:56:39,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733595572] [2021-07-13 19:56:39,375 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-13 19:56:39,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:56:39,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-13 19:56:39,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-07-13 19:56:39,376 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) [2021-07-13 19:56:39,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:56:39,700 INFO L93 Difference]: Finished difference Result 311 states and 632 transitions. [2021-07-13 19:56:39,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 19:56:39,700 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 [2021-07-13 19:56:39,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:56:39,703 INFO L225 Difference]: With dead ends: 311 [2021-07-13 19:56:39,703 INFO L226 Difference]: Without dead ends: 311 [2021-07-13 19:56:39,704 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 289.5ms TimeCoverageRelationStatistics Valid=218, Invalid=484, Unknown=0, NotChecked=0, Total=702 [2021-07-13 19:56:39,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2021-07-13 19:56:39,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 176. [2021-07-13 19:56:39,710 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) [2021-07-13 19:56:39,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 402 transitions. [2021-07-13 19:56:39,711 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 402 transitions. Word has length 20 [2021-07-13 19:56:39,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:56:39,711 INFO L482 AbstractCegarLoop]: Abstraction has 176 states and 402 transitions. [2021-07-13 19:56:39,711 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) [2021-07-13 19:56:39,711 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 402 transitions. [2021-07-13 19:56:39,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-07-13 19:56:39,712 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:56:39,712 INFO L508 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:56:39,929 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:56:39,930 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:56:39,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:56:39,930 INFO L82 PathProgramCache]: Analyzing trace with hash -1163855182, now seen corresponding path program 8 times [2021-07-13 19:56:39,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:56:39,930 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116835349] [2021-07-13 19:56:39,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:56:39,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:56:39,992 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:56:39,992 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:56:39,992 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116835349] [2021-07-13 19:56:39,992 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116835349] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:39,992 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1020445762] [2021-07-13 19:56:39,992 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 [2021-07-13 19:56:40,038 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 19:56:40,038 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:56:40,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-13 19:56:40,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:56:40,141 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:56:40,141 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1020445762] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:40,141 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:56:40,141 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 11 [2021-07-13 19:56:40,142 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802523898] [2021-07-13 19:56:40,142 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-13 19:56:40,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:56:40,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-13 19:56:40,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2021-07-13 19:56:40,143 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) [2021-07-13 19:56:40,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:56:40,419 INFO L93 Difference]: Finished difference Result 248 states and 522 transitions. [2021-07-13 19:56:40,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 19:56:40,420 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 [2021-07-13 19:56:40,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:56:40,421 INFO L225 Difference]: With dead ends: 248 [2021-07-13 19:56:40,421 INFO L226 Difference]: Without dead ends: 242 [2021-07-13 19:56:40,422 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 250.7ms TimeCoverageRelationStatistics Valid=129, Invalid=333, Unknown=0, NotChecked=0, Total=462 [2021-07-13 19:56:40,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2021-07-13 19:56:40,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 182. [2021-07-13 19:56:40,427 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) [2021-07-13 19:56:40,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 421 transitions. [2021-07-13 19:56:40,427 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 421 transitions. Word has length 20 [2021-07-13 19:56:40,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:56:40,428 INFO L482 AbstractCegarLoop]: Abstraction has 182 states and 421 transitions. [2021-07-13 19:56:40,428 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) [2021-07-13 19:56:40,428 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 421 transitions. [2021-07-13 19:56:40,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-07-13 19:56:40,429 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:56:40,429 INFO L508 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:56:40,656 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-07-13 19:56:40,659 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:56:40,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:56:40,659 INFO L82 PathProgramCache]: Analyzing trace with hash 482286172, now seen corresponding path program 9 times [2021-07-13 19:56:40,659 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:56:40,659 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013674453] [2021-07-13 19:56:40,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:56:40,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:56:40,697 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:56:40,697 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:56:40,697 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013674453] [2021-07-13 19:56:40,697 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013674453] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:40,698 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [131224306] [2021-07-13 19:56:40,698 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 [2021-07-13 19:56:40,737 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-13 19:56:40,737 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:56:40,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-13 19:56:40,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:56:40,831 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:56:40,831 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [131224306] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:40,831 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:56:40,831 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 11 [2021-07-13 19:56:40,831 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913882864] [2021-07-13 19:56:40,832 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-13 19:56:40,832 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:56:40,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-13 19:56:40,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2021-07-13 19:56:40,832 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) [2021-07-13 19:56:41,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:56:41,084 INFO L93 Difference]: Finished difference Result 300 states and 621 transitions. [2021-07-13 19:56:41,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 19:56:41,085 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 [2021-07-13 19:56:41,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:56:41,086 INFO L225 Difference]: With dead ends: 300 [2021-07-13 19:56:41,087 INFO L226 Difference]: Without dead ends: 296 [2021-07-13 19:56:41,087 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 224.8ms TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2021-07-13 19:56:41,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2021-07-13 19:56:41,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 182. [2021-07-13 19:56:41,093 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) [2021-07-13 19:56:41,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 419 transitions. [2021-07-13 19:56:41,094 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 419 transitions. Word has length 20 [2021-07-13 19:56:41,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:56:41,094 INFO L482 AbstractCegarLoop]: Abstraction has 182 states and 419 transitions. [2021-07-13 19:56:41,094 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) [2021-07-13 19:56:41,094 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 419 transitions. [2021-07-13 19:56:41,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-07-13 19:56:41,095 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:56:41,095 INFO L508 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:56:41,317 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:56:41,318 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:56:41,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:56:41,318 INFO L82 PathProgramCache]: Analyzing trace with hash -24060094, now seen corresponding path program 10 times [2021-07-13 19:56:41,318 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:56:41,319 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644500397] [2021-07-13 19:56:41,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:56:41,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:56:41,367 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:56:41,367 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:56:41,367 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644500397] [2021-07-13 19:56:41,367 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644500397] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:41,367 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [526760406] [2021-07-13 19:56:41,367 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 [2021-07-13 19:56:41,395 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 19:56:41,395 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:56:41,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-13 19:56:41,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:56:41,490 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:56:41,490 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [526760406] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:41,490 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:56:41,490 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-07-13 19:56:41,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275758829] [2021-07-13 19:56:41,491 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-13 19:56:41,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:56:41,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-13 19:56:41,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2021-07-13 19:56:41,492 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) [2021-07-13 19:56:41,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:56:41,769 INFO L93 Difference]: Finished difference Result 296 states and 623 transitions. [2021-07-13 19:56:41,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 19:56:41,770 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 [2021-07-13 19:56:41,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:56:41,772 INFO L225 Difference]: With dead ends: 296 [2021-07-13 19:56:41,772 INFO L226 Difference]: Without dead ends: 284 [2021-07-13 19:56:41,772 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 263.7ms TimeCoverageRelationStatistics Valid=197, Invalid=505, Unknown=0, NotChecked=0, Total=702 [2021-07-13 19:56:41,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2021-07-13 19:56:41,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 193. [2021-07-13 19:56:41,777 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) [2021-07-13 19:56:41,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 444 transitions. [2021-07-13 19:56:41,778 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 444 transitions. Word has length 20 [2021-07-13 19:56:41,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:56:41,779 INFO L482 AbstractCegarLoop]: Abstraction has 193 states and 444 transitions. [2021-07-13 19:56:41,779 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) [2021-07-13 19:56:41,779 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 444 transitions. [2021-07-13 19:56:41,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-07-13 19:56:41,779 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:56:41,780 INFO L508 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:56:41,992 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-07-13 19:56:41,993 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:56:41,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:56:41,993 INFO L82 PathProgramCache]: Analyzing trace with hash 1616828084, now seen corresponding path program 11 times [2021-07-13 19:56:41,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:56:41,993 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919489470] [2021-07-13 19:56:41,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:56:41,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:56:42,017 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:56:42,017 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:56:42,017 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919489470] [2021-07-13 19:56:42,017 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919489470] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:42,017 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1687980376] [2021-07-13 19:56:42,018 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 [2021-07-13 19:56:42,052 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-07-13 19:56:42,053 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:56:42,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-13 19:56:42,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:56:42,087 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:56:42,088 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 [2021-07-13 19:56:42,091 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:56:42,095 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:56:42,096 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:56:42,096 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:20 [2021-07-13 19:56:42,212 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-07-13 19:56:42,212 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 [2021-07-13 19:56:42,214 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:56:42,223 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:56:42,230 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-07-13 19:56:42,230 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 [2021-07-13 19:56:42,235 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 19:56:42,239 INFO L628 ElimStorePlain]: treesize reduction 8, result has 27.3 percent of original size [2021-07-13 19:56:42,239 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:56:42,239 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:42, output treesize:3 [2021-07-13 19:56:42,246 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:56:42,246 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1687980376] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:42,246 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:56:42,247 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 8 [2021-07-13 19:56:42,247 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428977466] [2021-07-13 19:56:42,247 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-13 19:56:42,247 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:56:42,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-13 19:56:42,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-07-13 19:56:42,248 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) [2021-07-13 19:56:42,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:56:42,293 INFO L93 Difference]: Finished difference Result 372 states and 809 transitions. [2021-07-13 19:56:42,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 19:56:42,293 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 [2021-07-13 19:56:42,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:56:42,295 INFO L225 Difference]: With dead ends: 372 [2021-07-13 19:56:42,295 INFO L226 Difference]: Without dead ends: 365 [2021-07-13 19:56:42,295 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 54.6ms TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-07-13 19:56:42,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2021-07-13 19:56:42,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 263. [2021-07-13 19:56:42,302 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) [2021-07-13 19:56:42,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 623 transitions. [2021-07-13 19:56:42,304 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 623 transitions. Word has length 22 [2021-07-13 19:56:42,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:56:42,304 INFO L482 AbstractCegarLoop]: Abstraction has 263 states and 623 transitions. [2021-07-13 19:56:42,305 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) [2021-07-13 19:56:42,305 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 623 transitions. [2021-07-13 19:56:42,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-07-13 19:56:42,305 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:56:42,306 INFO L508 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:56:42,527 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-07-13 19:56:42,528 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:56:42,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:56:42,528 INFO L82 PathProgramCache]: Analyzing trace with hash -462338892, now seen corresponding path program 12 times [2021-07-13 19:56:42,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:56:42,528 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305014806] [2021-07-13 19:56:42,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:56:42,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:56:42,553 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-13 19:56:42,553 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:56:42,553 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305014806] [2021-07-13 19:56:42,553 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305014806] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:42,553 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1502991525] [2021-07-13 19:56:42,553 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 [2021-07-13 19:56:42,582 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-13 19:56:42,582 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:56:42,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-13 19:56:42,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:56:42,642 INFO L446 ElimStorePlain]: Different costs {1=[f], 3=[f_inv]} [2021-07-13 19:56:42,648 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:56:42,648 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 [2021-07-13 19:56:42,659 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 19:56:42,673 INFO L628 ElimStorePlain]: treesize reduction 9, result has 71.9 percent of original size [2021-07-13 19:56:42,679 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:56:42,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2021-07-13 19:56:42,686 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 19:56:42,687 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:56:42,687 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:56:42,687 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:3 [2021-07-13 19:56:42,697 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:56:42,698 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1502991525] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:42,698 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:56:42,698 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 8 [2021-07-13 19:56:42,698 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649143112] [2021-07-13 19:56:42,698 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-13 19:56:42,698 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:56:42,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-13 19:56:42,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-07-13 19:56:42,699 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) [2021-07-13 19:56:42,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:56:42,734 INFO L93 Difference]: Finished difference Result 405 states and 917 transitions. [2021-07-13 19:56:42,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 19:56:42,734 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 [2021-07-13 19:56:42,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:56:42,736 INFO L225 Difference]: With dead ends: 405 [2021-07-13 19:56:42,736 INFO L226 Difference]: Without dead ends: 396 [2021-07-13 19:56:42,737 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 40.7ms TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-07-13 19:56:42,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2021-07-13 19:56:42,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 318. [2021-07-13 19:56:42,745 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) [2021-07-13 19:56:42,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 775 transitions. [2021-07-13 19:56:42,746 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 775 transitions. Word has length 22 [2021-07-13 19:56:42,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:56:42,746 INFO L482 AbstractCegarLoop]: Abstraction has 318 states and 775 transitions. [2021-07-13 19:56:42,746 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) [2021-07-13 19:56:42,746 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 775 transitions. [2021-07-13 19:56:42,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-07-13 19:56:42,747 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:56:42,747 INFO L508 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:56:42,960 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:56:42,961 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:56:42,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:56:42,961 INFO L82 PathProgramCache]: Analyzing trace with hash -2570572, now seen corresponding path program 13 times [2021-07-13 19:56:42,961 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:56:42,961 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320457473] [2021-07-13 19:56:42,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:56:42,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:56:42,995 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-13 19:56:42,995 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:56:42,995 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320457473] [2021-07-13 19:56:42,995 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320457473] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:42,995 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1979331842] [2021-07-13 19:56:42,995 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 [2021-07-13 19:56:43,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:56:43,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-13 19:56:43,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:56:43,070 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:56:43,071 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 [2021-07-13 19:56:43,076 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:56:43,080 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:56:43,081 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:56:43,081 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:20 [2021-07-13 19:56:43,173 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-07-13 19:56:43,174 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 [2021-07-13 19:56:43,176 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:56:43,180 INFO L628 ElimStorePlain]: treesize reduction 21, result has 12.5 percent of original size [2021-07-13 19:56:43,180 INFO L518 ElimStorePlain]: Eliminatee v_prenex_5 vanished before elimination [2021-07-13 19:56:43,181 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:56:43,181 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:42, output treesize:3 [2021-07-13 19:56:43,191 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-13 19:56:43,191 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1979331842] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:43,191 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:56:43,191 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 8 [2021-07-13 19:56:43,192 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110772663] [2021-07-13 19:56:43,192 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-13 19:56:43,192 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:56:43,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-13 19:56:43,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-07-13 19:56:43,193 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) [2021-07-13 19:56:43,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:56:43,228 INFO L93 Difference]: Finished difference Result 499 states and 1143 transitions. [2021-07-13 19:56:43,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 19:56:43,229 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 [2021-07-13 19:56:43,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:56:43,232 INFO L225 Difference]: With dead ends: 499 [2021-07-13 19:56:43,232 INFO L226 Difference]: Without dead ends: 492 [2021-07-13 19:56:43,232 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 47.7ms TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-07-13 19:56:43,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2021-07-13 19:56:43,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 374. [2021-07-13 19:56:43,243 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) [2021-07-13 19:56:43,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 923 transitions. [2021-07-13 19:56:43,244 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 923 transitions. Word has length 22 [2021-07-13 19:56:43,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:56:43,244 INFO L482 AbstractCegarLoop]: Abstraction has 374 states and 923 transitions. [2021-07-13 19:56:43,244 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) [2021-07-13 19:56:43,244 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 923 transitions. [2021-07-13 19:56:43,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-07-13 19:56:43,245 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:56:43,245 INFO L508 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:56:43,464 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-07-13 19:56:43,465 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:56:43,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:56:43,465 INFO L82 PathProgramCache]: Analyzing trace with hash -1932504778, now seen corresponding path program 14 times [2021-07-13 19:56:43,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:56:43,465 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247953493] [2021-07-13 19:56:43,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:56:43,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:56:43,538 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:56:43,539 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:56:43,539 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247953493] [2021-07-13 19:56:43,539 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247953493] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:43,539 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [943535089] [2021-07-13 19:56:43,539 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 [2021-07-13 19:56:43,578 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 19:56:43,578 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:56:43,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-13 19:56:43,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:56:43,715 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:56:43,715 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [943535089] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:43,715 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:56:43,715 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 17 [2021-07-13 19:56:43,715 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681555255] [2021-07-13 19:56:43,715 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-13 19:56:43,715 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:56:43,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-13 19:56:43,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2021-07-13 19:56:43,716 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) [2021-07-13 19:56:44,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:56:44,236 INFO L93 Difference]: Finished difference Result 665 states and 1470 transitions. [2021-07-13 19:56:44,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-13 19:56:44,237 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 [2021-07-13 19:56:44,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:56:44,239 INFO L225 Difference]: With dead ends: 665 [2021-07-13 19:56:44,240 INFO L226 Difference]: Without dead ends: 665 [2021-07-13 19:56:44,240 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 300 ImplicationChecksByTransitivity, 427.8ms TimeCoverageRelationStatistics Valid=402, Invalid=1080, Unknown=0, NotChecked=0, Total=1482 [2021-07-13 19:56:44,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2021-07-13 19:56:44,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 325. [2021-07-13 19:56:44,249 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) [2021-07-13 19:56:44,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 794 transitions. [2021-07-13 19:56:44,251 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 794 transitions. Word has length 24 [2021-07-13 19:56:44,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:56:44,251 INFO L482 AbstractCegarLoop]: Abstraction has 325 states and 794 transitions. [2021-07-13 19:56:44,251 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) [2021-07-13 19:56:44,251 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 794 transitions. [2021-07-13 19:56:44,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-07-13 19:56:44,253 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:56:44,253 INFO L508 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:56:44,468 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:56:44,469 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:56:44,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:56:44,469 INFO L82 PathProgramCache]: Analyzing trace with hash -1929426830, now seen corresponding path program 15 times [2021-07-13 19:56:44,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:56:44,469 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749801560] [2021-07-13 19:56:44,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:56:44,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:56:44,545 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:56:44,545 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:56:44,545 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749801560] [2021-07-13 19:56:44,545 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749801560] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:44,545 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1604988845] [2021-07-13 19:56:44,545 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 [2021-07-13 19:56:44,569 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-13 19:56:44,570 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:56:44,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-13 19:56:44,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:56:44,731 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:56:44,731 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1604988845] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:44,731 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:56:44,732 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-07-13 19:56:44,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543175399] [2021-07-13 19:56:44,732 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-13 19:56:44,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:56:44,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-13 19:56:44,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2021-07-13 19:56:44,733 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) [2021-07-13 19:56:45,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:56:45,397 INFO L93 Difference]: Finished difference Result 786 states and 1670 transitions. [2021-07-13 19:56:45,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-13 19:56:45,398 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 [2021-07-13 19:56:45,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:56:45,401 INFO L225 Difference]: With dead ends: 786 [2021-07-13 19:56:45,401 INFO L226 Difference]: Without dead ends: 742 [2021-07-13 19:56:45,401 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 455 ImplicationChecksByTransitivity, 571.4ms TimeCoverageRelationStatistics Valid=449, Invalid=1357, Unknown=0, NotChecked=0, Total=1806 [2021-07-13 19:56:45,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2021-07-13 19:56:45,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 342. [2021-07-13 19:56:45,413 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) [2021-07-13 19:56:45,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 823 transitions. [2021-07-13 19:56:45,415 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 823 transitions. Word has length 24 [2021-07-13 19:56:45,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:56:45,415 INFO L482 AbstractCegarLoop]: Abstraction has 342 states and 823 transitions. [2021-07-13 19:56:45,415 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) [2021-07-13 19:56:45,415 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 823 transitions. [2021-07-13 19:56:45,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-07-13 19:56:45,416 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:56:45,416 INFO L508 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:56:45,632 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-07-13 19:56:45,633 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:56:45,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:56:45,633 INFO L82 PathProgramCache]: Analyzing trace with hash -1265887354, now seen corresponding path program 16 times [2021-07-13 19:56:45,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:56:45,633 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924471594] [2021-07-13 19:56:45,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:56:45,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:56:45,679 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:56:45,679 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:56:45,679 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924471594] [2021-07-13 19:56:45,679 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924471594] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:45,679 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1909453130] [2021-07-13 19:56:45,679 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 [2021-07-13 19:56:45,703 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 19:56:45,704 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:56:45,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-13 19:56:45,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:56:45,840 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:56:45,840 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1909453130] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:45,840 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:56:45,840 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 14 [2021-07-13 19:56:45,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545653888] [2021-07-13 19:56:45,842 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-13 19:56:45,842 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:56:45,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-13 19:56:45,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2021-07-13 19:56:45,845 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) [2021-07-13 19:56:46,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:56:46,388 INFO L93 Difference]: Finished difference Result 742 states and 1645 transitions. [2021-07-13 19:56:46,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-13 19:56:46,389 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 [2021-07-13 19:56:46,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:56:46,392 INFO L225 Difference]: With dead ends: 742 [2021-07-13 19:56:46,392 INFO L226 Difference]: Without dead ends: 740 [2021-07-13 19:56:46,393 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 322 ImplicationChecksByTransitivity, 486.6ms TimeCoverageRelationStatistics Valid=387, Invalid=945, Unknown=0, NotChecked=0, Total=1332 [2021-07-13 19:56:46,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2021-07-13 19:56:46,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 404. [2021-07-13 19:56:46,404 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) [2021-07-13 19:56:46,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 977 transitions. [2021-07-13 19:56:46,406 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 977 transitions. Word has length 24 [2021-07-13 19:56:46,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:56:46,406 INFO L482 AbstractCegarLoop]: Abstraction has 404 states and 977 transitions. [2021-07-13 19:56:46,406 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) [2021-07-13 19:56:46,406 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 977 transitions. [2021-07-13 19:56:46,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-07-13 19:56:46,407 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:56:46,407 INFO L508 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:56:46,620 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-07-13 19:56:46,621 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:56:46,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:56:46,621 INFO L82 PathProgramCache]: Analyzing trace with hash 1645181860, now seen corresponding path program 17 times [2021-07-13 19:56:46,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:56:46,621 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577090963] [2021-07-13 19:56:46,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:56:46,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:56:46,671 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:56:46,672 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:56:46,672 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577090963] [2021-07-13 19:56:46,672 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577090963] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:46,672 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1006339426] [2021-07-13 19:56:46,672 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 [2021-07-13 19:56:46,697 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-13 19:56:46,697 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:56:46,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-13 19:56:46,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:56:46,844 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:56:46,844 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1006339426] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:46,844 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:56:46,844 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 14 [2021-07-13 19:56:46,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899337526] [2021-07-13 19:56:46,845 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-13 19:56:46,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:56:46,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-13 19:56:46,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2021-07-13 19:56:46,845 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) [2021-07-13 19:56:47,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:56:47,284 INFO L93 Difference]: Finished difference Result 548 states and 1247 transitions. [2021-07-13 19:56:47,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-13 19:56:47,284 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 [2021-07-13 19:56:47,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:56:47,286 INFO L225 Difference]: With dead ends: 548 [2021-07-13 19:56:47,286 INFO L226 Difference]: Without dead ends: 544 [2021-07-13 19:56:47,287 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 297 ImplicationChecksByTransitivity, 409.0ms TimeCoverageRelationStatistics Valid=356, Invalid=976, Unknown=0, NotChecked=0, Total=1332 [2021-07-13 19:56:47,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2021-07-13 19:56:47,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 404. [2021-07-13 19:56:47,296 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) [2021-07-13 19:56:47,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 976 transitions. [2021-07-13 19:56:47,297 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 976 transitions. Word has length 24 [2021-07-13 19:56:47,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:56:47,298 INFO L482 AbstractCegarLoop]: Abstraction has 404 states and 976 transitions. [2021-07-13 19:56:47,298 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) [2021-07-13 19:56:47,298 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 976 transitions. [2021-07-13 19:56:47,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-07-13 19:56:47,299 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:56:47,299 INFO L508 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:56:47,512 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:56:47,513 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:56:47,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:56:47,513 INFO L82 PathProgramCache]: Analyzing trace with hash 1445869170, now seen corresponding path program 18 times [2021-07-13 19:56:47,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:56:47,513 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150258675] [2021-07-13 19:56:47,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:56:47,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:56:47,561 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:56:47,561 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:56:47,561 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150258675] [2021-07-13 19:56:47,561 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150258675] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:47,561 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1353756041] [2021-07-13 19:56:47,561 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 [2021-07-13 19:56:47,588 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-13 19:56:47,588 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:56:47,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-13 19:56:47,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:56:47,707 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:56:47,708 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1353756041] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:47,708 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:56:47,708 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 14 [2021-07-13 19:56:47,708 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595504410] [2021-07-13 19:56:47,708 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-13 19:56:47,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:56:47,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-13 19:56:47,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2021-07-13 19:56:47,709 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) [2021-07-13 19:56:48,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:56:48,133 INFO L93 Difference]: Finished difference Result 648 states and 1454 transitions. [2021-07-13 19:56:48,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-13 19:56:48,134 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 [2021-07-13 19:56:48,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:56:48,136 INFO L225 Difference]: With dead ends: 648 [2021-07-13 19:56:48,136 INFO L226 Difference]: Without dead ends: 636 [2021-07-13 19:56:48,136 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 357.0ms TimeCoverageRelationStatistics Valid=235, Invalid=695, Unknown=0, NotChecked=0, Total=930 [2021-07-13 19:56:48,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2021-07-13 19:56:48,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 426. [2021-07-13 19:56:48,146 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) [2021-07-13 19:56:48,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 1036 transitions. [2021-07-13 19:56:48,148 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 1036 transitions. Word has length 24 [2021-07-13 19:56:48,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:56:48,148 INFO L482 AbstractCegarLoop]: Abstraction has 426 states and 1036 transitions. [2021-07-13 19:56:48,148 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) [2021-07-13 19:56:48,148 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 1036 transitions. [2021-07-13 19:56:48,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-07-13 19:56:48,149 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:56:48,149 INFO L508 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:56:48,373 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2021-07-13 19:56:48,373 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:56:48,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:56:48,373 INFO L82 PathProgramCache]: Analyzing trace with hash -1709303038, now seen corresponding path program 19 times [2021-07-13 19:56:48,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:56:48,374 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441678629] [2021-07-13 19:56:48,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:56:48,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:56:48,439 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:56:48,439 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:56:48,439 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441678629] [2021-07-13 19:56:48,439 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441678629] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:48,439 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [454920420] [2021-07-13 19:56:48,439 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 [2021-07-13 19:56:48,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:56:48,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-13 19:56:48,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:56:48,616 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:56:48,617 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [454920420] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:48,617 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:56:48,617 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 15 [2021-07-13 19:56:48,617 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575236155] [2021-07-13 19:56:48,617 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-13 19:56:48,617 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:56:48,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-13 19:56:48,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2021-07-13 19:56:48,618 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) [2021-07-13 19:56:49,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:56:49,050 INFO L93 Difference]: Finished difference Result 690 states and 1541 transitions. [2021-07-13 19:56:49,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 19:56:49,051 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 [2021-07-13 19:56:49,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:56:49,053 INFO L225 Difference]: With dead ends: 690 [2021-07-13 19:56:49,053 INFO L226 Difference]: Without dead ends: 676 [2021-07-13 19:56:49,053 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 375 ImplicationChecksByTransitivity, 415.9ms TimeCoverageRelationStatistics Valid=382, Invalid=1100, Unknown=0, NotChecked=0, Total=1482 [2021-07-13 19:56:49,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2021-07-13 19:56:49,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 412. [2021-07-13 19:56:49,063 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) [2021-07-13 19:56:49,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 994 transitions. [2021-07-13 19:56:49,064 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 994 transitions. Word has length 24 [2021-07-13 19:56:49,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:56:49,064 INFO L482 AbstractCegarLoop]: Abstraction has 412 states and 994 transitions. [2021-07-13 19:56:49,064 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) [2021-07-13 19:56:49,065 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 994 transitions. [2021-07-13 19:56:49,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-07-13 19:56:49,065 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:56:49,066 INFO L508 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:56:49,280 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:56:49,281 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:56:49,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:56:49,281 INFO L82 PathProgramCache]: Analyzing trace with hash 919841334, now seen corresponding path program 20 times [2021-07-13 19:56:49,281 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:56:49,281 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900925792] [2021-07-13 19:56:49,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:56:49,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:56:49,348 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:56:49,348 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:56:49,348 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900925792] [2021-07-13 19:56:49,348 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900925792] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:49,348 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [820581326] [2021-07-13 19:56:49,349 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 [2021-07-13 19:56:49,380 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 19:56:49,380 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:56:49,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-13 19:56:49,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:56:49,490 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:56:49,491 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [820581326] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:49,491 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:56:49,491 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-07-13 19:56:49,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884929368] [2021-07-13 19:56:49,491 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-13 19:56:49,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:56:49,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-13 19:56:49,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2021-07-13 19:56:49,492 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) [2021-07-13 19:56:49,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:56:49,972 INFO L93 Difference]: Finished difference Result 791 states and 1734 transitions. [2021-07-13 19:56:49,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-13 19:56:49,973 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 [2021-07-13 19:56:49,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:56:49,975 INFO L225 Difference]: With dead ends: 791 [2021-07-13 19:56:49,975 INFO L226 Difference]: Without dead ends: 791 [2021-07-13 19:56:49,976 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 361 ImplicationChecksByTransitivity, 428.1ms TimeCoverageRelationStatistics Valid=414, Invalid=1068, Unknown=0, NotChecked=0, Total=1482 [2021-07-13 19:56:49,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 791 states. [2021-07-13 19:56:49,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 791 to 429. [2021-07-13 19:56:49,986 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) [2021-07-13 19:56:49,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 1026 transitions. [2021-07-13 19:56:49,987 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 1026 transitions. Word has length 24 [2021-07-13 19:56:49,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:56:49,987 INFO L482 AbstractCegarLoop]: Abstraction has 429 states and 1026 transitions. [2021-07-13 19:56:49,987 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) [2021-07-13 19:56:49,987 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 1026 transitions. [2021-07-13 19:56:49,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-07-13 19:56:49,988 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:56:49,988 INFO L508 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:56:50,209 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2021-07-13 19:56:50,209 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:56:50,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:56:50,209 INFO L82 PathProgramCache]: Analyzing trace with hash 2005876850, now seen corresponding path program 21 times [2021-07-13 19:56:50,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:56:50,210 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148072153] [2021-07-13 19:56:50,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:56:50,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:56:50,257 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:56:50,258 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:56:50,258 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148072153] [2021-07-13 19:56:50,258 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148072153] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:50,258 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2142732919] [2021-07-13 19:56:50,258 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 [2021-07-13 19:56:50,282 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-13 19:56:50,282 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:56:50,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-13 19:56:50,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:56:50,407 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:56:50,408 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2142732919] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:50,408 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:56:50,408 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 15 [2021-07-13 19:56:50,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851345273] [2021-07-13 19:56:50,408 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-13 19:56:50,408 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:56:50,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-13 19:56:50,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2021-07-13 19:56:50,409 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) [2021-07-13 19:56:50,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:56:50,838 INFO L93 Difference]: Finished difference Result 588 states and 1296 transitions. [2021-07-13 19:56:50,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 19:56:50,838 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 [2021-07-13 19:56:50,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:56:50,840 INFO L225 Difference]: With dead ends: 588 [2021-07-13 19:56:50,840 INFO L226 Difference]: Without dead ends: 570 [2021-07-13 19:56:50,840 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 307 ImplicationChecksByTransitivity, 369.0ms TimeCoverageRelationStatistics Valid=286, Invalid=904, Unknown=0, NotChecked=0, Total=1190 [2021-07-13 19:56:50,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2021-07-13 19:56:50,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 423. [2021-07-13 19:56:50,848 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) [2021-07-13 19:56:50,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 1012 transitions. [2021-07-13 19:56:50,849 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 1012 transitions. Word has length 24 [2021-07-13 19:56:50,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:56:50,849 INFO L482 AbstractCegarLoop]: Abstraction has 423 states and 1012 transitions. [2021-07-13 19:56:50,849 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) [2021-07-13 19:56:50,849 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 1012 transitions. [2021-07-13 19:56:50,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-07-13 19:56:50,850 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:56:50,850 INFO L508 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:56:51,074 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2021-07-13 19:56:51,074 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:56:51,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:56:51,074 INFO L82 PathProgramCache]: Analyzing trace with hash 198787894, now seen corresponding path program 22 times [2021-07-13 19:56:51,074 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:56:51,074 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269994855] [2021-07-13 19:56:51,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:56:51,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:56:51,122 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:56:51,123 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:56:51,123 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269994855] [2021-07-13 19:56:51,123 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269994855] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:51,123 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [200747401] [2021-07-13 19:56:51,123 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 [2021-07-13 19:56:51,145 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 19:56:51,145 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:56:51,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-13 19:56:51,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:56:51,254 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:56:51,254 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [200747401] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:51,254 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:56:51,255 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 15 [2021-07-13 19:56:51,255 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649824829] [2021-07-13 19:56:51,255 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-13 19:56:51,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:56:51,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-13 19:56:51,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2021-07-13 19:56:51,256 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) [2021-07-13 19:56:51,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:56:51,768 INFO L93 Difference]: Finished difference Result 898 states and 2037 transitions. [2021-07-13 19:56:51,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-13 19:56:51,768 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 [2021-07-13 19:56:51,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:56:51,771 INFO L225 Difference]: With dead ends: 898 [2021-07-13 19:56:51,771 INFO L226 Difference]: Without dead ends: 898 [2021-07-13 19:56:51,771 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 490 ImplicationChecksByTransitivity, 443.6ms TimeCoverageRelationStatistics Valid=520, Invalid=1202, Unknown=0, NotChecked=0, Total=1722 [2021-07-13 19:56:51,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2021-07-13 19:56:51,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 622. [2021-07-13 19:56:51,783 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) [2021-07-13 19:56:51,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 1529 transitions. [2021-07-13 19:56:51,785 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 1529 transitions. Word has length 24 [2021-07-13 19:56:51,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:56:51,785 INFO L482 AbstractCegarLoop]: Abstraction has 622 states and 1529 transitions. [2021-07-13 19:56:51,785 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) [2021-07-13 19:56:51,785 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 1529 transitions. [2021-07-13 19:56:51,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-07-13 19:56:51,787 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:56:51,787 INFO L508 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:56:52,010 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:56:52,010 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:56:52,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:56:52,011 INFO L82 PathProgramCache]: Analyzing trace with hash -1747232740, now seen corresponding path program 23 times [2021-07-13 19:56:52,011 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:56:52,011 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456379918] [2021-07-13 19:56:52,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:56:52,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:56:52,061 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:56:52,061 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:56:52,061 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456379918] [2021-07-13 19:56:52,061 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456379918] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:52,061 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1233407675] [2021-07-13 19:56:52,061 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 [2021-07-13 19:56:52,095 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-13 19:56:52,095 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:56:52,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-13 19:56:52,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:56:52,209 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:56:52,210 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1233407675] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:52,210 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:56:52,210 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 14 [2021-07-13 19:56:52,210 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844384610] [2021-07-13 19:56:52,210 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-13 19:56:52,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:56:52,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-13 19:56:52,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2021-07-13 19:56:52,211 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) [2021-07-13 19:56:52,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:56:52,594 INFO L93 Difference]: Finished difference Result 871 states and 1982 transitions. [2021-07-13 19:56:52,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-13 19:56:52,594 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 [2021-07-13 19:56:52,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:56:52,597 INFO L225 Difference]: With dead ends: 871 [2021-07-13 19:56:52,597 INFO L226 Difference]: Without dead ends: 867 [2021-07-13 19:56:52,597 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293 ImplicationChecksByTransitivity, 340.5ms TimeCoverageRelationStatistics Valid=342, Invalid=848, Unknown=0, NotChecked=0, Total=1190 [2021-07-13 19:56:52,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 867 states. [2021-07-13 19:56:52,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 867 to 622. [2021-07-13 19:56:52,607 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) [2021-07-13 19:56:52,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 1525 transitions. [2021-07-13 19:56:52,609 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 1525 transitions. Word has length 24 [2021-07-13 19:56:52,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:56:52,609 INFO L482 AbstractCegarLoop]: Abstraction has 622 states and 1525 transitions. [2021-07-13 19:56:52,609 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) [2021-07-13 19:56:52,609 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 1525 transitions. [2021-07-13 19:56:52,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-07-13 19:56:52,610 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:56:52,610 INFO L508 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:56:52,833 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-07-13 19:56:52,834 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:56:52,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:56:52,834 INFO L82 PathProgramCache]: Analyzing trace with hash 2041388290, now seen corresponding path program 24 times [2021-07-13 19:56:52,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:56:52,834 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397286551] [2021-07-13 19:56:52,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:56:52,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:56:52,888 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:56:52,889 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:56:52,889 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397286551] [2021-07-13 19:56:52,889 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397286551] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:52,889 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [116520591] [2021-07-13 19:56:52,889 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 [2021-07-13 19:56:52,914 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-13 19:56:52,914 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:56:52,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-13 19:56:52,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:56:53,047 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:56:53,048 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [116520591] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:53,048 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:56:53,048 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 15 [2021-07-13 19:56:53,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41548949] [2021-07-13 19:56:53,048 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-13 19:56:53,048 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:56:53,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-13 19:56:53,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2021-07-13 19:56:53,050 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) [2021-07-13 19:56:53,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:56:53,484 INFO L93 Difference]: Finished difference Result 948 states and 2156 transitions. [2021-07-13 19:56:53,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-13 19:56:53,485 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 [2021-07-13 19:56:53,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:56:53,487 INFO L225 Difference]: With dead ends: 948 [2021-07-13 19:56:53,487 INFO L226 Difference]: Without dead ends: 936 [2021-07-13 19:56:53,488 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 341 ImplicationChecksByTransitivity, 397.8ms TimeCoverageRelationStatistics Valid=355, Invalid=977, Unknown=0, NotChecked=0, Total=1332 [2021-07-13 19:56:53,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2021-07-13 19:56:53,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 675. [2021-07-13 19:56:53,500 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) [2021-07-13 19:56:53,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 675 states and 1659 transitions. [2021-07-13 19:56:53,502 INFO L78 Accepts]: Start accepts. Automaton has 675 states and 1659 transitions. Word has length 24 [2021-07-13 19:56:53,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:56:53,502 INFO L482 AbstractCegarLoop]: Abstraction has 675 states and 1659 transitions. [2021-07-13 19:56:53,502 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) [2021-07-13 19:56:53,502 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 1659 transitions. [2021-07-13 19:56:53,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-07-13 19:56:53,504 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:56:53,504 INFO L508 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:56:53,716 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:56:53,717 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:56:53,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:56:53,717 INFO L82 PathProgramCache]: Analyzing trace with hash 1814166910, now seen corresponding path program 25 times [2021-07-13 19:56:53,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:56:53,717 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770417941] [2021-07-13 19:56:53,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:56:53,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:56:53,777 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:56:53,777 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:56:53,778 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770417941] [2021-07-13 19:56:53,778 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770417941] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:53,778 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1343103716] [2021-07-13 19:56:53,778 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) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:56:53,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:56:53,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-13 19:56:53,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:56:53,941 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:56:53,942 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1343103716] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:53,942 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:56:53,942 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-07-13 19:56:53,942 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069148664] [2021-07-13 19:56:53,942 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-13 19:56:53,942 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:56:53,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-13 19:56:53,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2021-07-13 19:56:53,943 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) [2021-07-13 19:56:54,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:56:54,409 INFO L93 Difference]: Finished difference Result 948 states and 2180 transitions. [2021-07-13 19:56:54,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-13 19:56:54,409 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 [2021-07-13 19:56:54,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:56:54,413 INFO L225 Difference]: With dead ends: 948 [2021-07-13 19:56:54,413 INFO L226 Difference]: Without dead ends: 928 [2021-07-13 19:56:54,414 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 442 ImplicationChecksByTransitivity, 446.4ms TimeCoverageRelationStatistics Valid=419, Invalid=1221, Unknown=0, NotChecked=0, Total=1640 [2021-07-13 19:56:54,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 928 states. [2021-07-13 19:56:54,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 928 to 699. [2021-07-13 19:56:54,433 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) [2021-07-13 19:56:54,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 1725 transitions. [2021-07-13 19:56:54,436 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 1725 transitions. Word has length 24 [2021-07-13 19:56:54,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:56:54,436 INFO L482 AbstractCegarLoop]: Abstraction has 699 states and 1725 transitions. [2021-07-13 19:56:54,436 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) [2021-07-13 19:56:54,436 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 1725 transitions. [2021-07-13 19:56:54,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-07-13 19:56:54,438 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:56:54,438 INFO L508 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:56:54,640 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2021-07-13 19:56:54,641 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:56:54,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:56:54,641 INFO L82 PathProgramCache]: Analyzing trace with hash 1660693108, now seen corresponding path program 26 times [2021-07-13 19:56:54,641 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:56:54,641 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490085954] [2021-07-13 19:56:54,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:56:54,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:56:54,671 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:56:54,672 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:56:54,672 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490085954] [2021-07-13 19:56:54,672 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490085954] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:54,672 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1107101896] [2021-07-13 19:56:54,672 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 [2021-07-13 19:56:54,695 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 19:56:54,696 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:56:54,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 21 conjunts are in the unsatisfiable core [2021-07-13 19:56:54,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:56:54,743 INFO L354 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2021-07-13 19:56:54,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 19:56:54,745 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:56:54,766 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:56:54,767 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:56:54,767 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-07-13 19:56:54,989 INFO L354 Elim1Store]: treesize reduction 22, result has 12.0 percent of original size [2021-07-13 19:56:54,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 19:56:54,990 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:56:55,005 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:56:55,013 INFO L354 Elim1Store]: treesize reduction 22, result has 12.0 percent of original size [2021-07-13 19:56:55,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 19:56:55,015 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 19:56:55,026 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:56:55,039 INFO L354 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2021-07-13 19:56:55,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 19:56:55,041 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 19:56:55,047 INFO L628 ElimStorePlain]: treesize reduction 16, result has 15.8 percent of original size [2021-07-13 19:56:55,047 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:56:55,047 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:103, output treesize:3 [2021-07-13 19:56:55,067 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:56:55,067 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1107101896] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:55,067 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:56:55,067 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 11 [2021-07-13 19:56:55,068 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337271230] [2021-07-13 19:56:55,068 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-13 19:56:55,068 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:56:55,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-13 19:56:55,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-07-13 19:56:55,068 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) [2021-07-13 19:56:55,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:56:55,130 INFO L93 Difference]: Finished difference Result 1114 states and 2614 transitions. [2021-07-13 19:56:55,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 19:56:55,131 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 [2021-07-13 19:56:55,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:56:55,134 INFO L225 Difference]: With dead ends: 1114 [2021-07-13 19:56:55,134 INFO L226 Difference]: Without dead ends: 1107 [2021-07-13 19:56:55,134 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 23 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 123.8ms TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-07-13 19:56:55,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1107 states. [2021-07-13 19:56:55,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1107 to 866. [2021-07-13 19:56:55,151 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) [2021-07-13 19:56:55,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 866 states and 2159 transitions. [2021-07-13 19:56:55,153 INFO L78 Accepts]: Start accepts. Automaton has 866 states and 2159 transitions. Word has length 26 [2021-07-13 19:56:55,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:56:55,153 INFO L482 AbstractCegarLoop]: Abstraction has 866 states and 2159 transitions. [2021-07-13 19:56:55,153 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) [2021-07-13 19:56:55,154 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 2159 transitions. [2021-07-13 19:56:55,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-07-13 19:56:55,159 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:56:55,159 INFO L508 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:56:55,360 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2021-07-13 19:56:55,361 INFO L430 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:56:55,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:56:55,362 INFO L82 PathProgramCache]: Analyzing trace with hash -439799948, now seen corresponding path program 27 times [2021-07-13 19:56:55,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:56:55,362 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828501676] [2021-07-13 19:56:55,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:56:55,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:56:55,388 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-13 19:56:55,388 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:56:55,388 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828501676] [2021-07-13 19:56:55,388 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828501676] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:55,388 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [633940852] [2021-07-13 19:56:55,388 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 [2021-07-13 19:56:55,421 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-13 19:56:55,421 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:56:55,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 21 conjunts are in the unsatisfiable core [2021-07-13 19:56:55,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:56:55,523 INFO L354 Elim1Store]: treesize reduction 37, result has 44.8 percent of original size [2021-07-13 19:56:55,524 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 [2021-07-13 19:56:55,526 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:56:55,534 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:56:55,535 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:56:55,535 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:38 [2021-07-13 19:56:55,608 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-07-13 19:56:55,608 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 [2021-07-13 19:56:55,610 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:56:55,616 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-07-13 19:56:55,616 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 [2021-07-13 19:56:55,617 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 19:56:55,626 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-07-13 19:56:55,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 19:56:55,627 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 19:56:55,631 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-07-13 19:56:55,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 19:56:55,633 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 19:56:55,635 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:56:55,635 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:56:55,635 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:103, output treesize:3 [2021-07-13 19:56:55,645 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:56:55,645 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [633940852] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:55,645 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:56:55,645 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 11 [2021-07-13 19:56:55,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720621360] [2021-07-13 19:56:55,645 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-13 19:56:55,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:56:55,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-13 19:56:55,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-07-13 19:56:55,646 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) [2021-07-13 19:56:55,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:56:55,714 INFO L93 Difference]: Finished difference Result 1174 states and 2826 transitions. [2021-07-13 19:56:55,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 19:56:55,715 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 [2021-07-13 19:56:55,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:56:55,719 INFO L225 Difference]: With dead ends: 1174 [2021-07-13 19:56:55,719 INFO L226 Difference]: Without dead ends: 1158 [2021-07-13 19:56:55,721 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 70.2ms TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-07-13 19:56:55,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2021-07-13 19:56:55,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 972. [2021-07-13 19:56:55,740 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) [2021-07-13 19:56:55,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 972 states and 2459 transitions. [2021-07-13 19:56:55,743 INFO L78 Accepts]: Start accepts. Automaton has 972 states and 2459 transitions. Word has length 26 [2021-07-13 19:56:55,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:56:55,743 INFO L482 AbstractCegarLoop]: Abstraction has 972 states and 2459 transitions. [2021-07-13 19:56:55,743 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) [2021-07-13 19:56:55,743 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 2459 transitions. [2021-07-13 19:56:55,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-07-13 19:56:55,745 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:56:55,745 INFO L508 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:56:55,966 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2021-07-13 19:56:55,967 INFO L430 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:56:55,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:56:55,967 INFO L82 PathProgramCache]: Analyzing trace with hash -318369164, now seen corresponding path program 28 times [2021-07-13 19:56:55,967 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:56:55,967 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228372656] [2021-07-13 19:56:55,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:56:55,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:56:55,999 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-13 19:56:55,999 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:56:55,999 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228372656] [2021-07-13 19:56:55,999 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228372656] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:55,999 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [141901027] [2021-07-13 19:56:55,999 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 [2021-07-13 19:56:56,023 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 19:56:56,023 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:56:56,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 21 conjunts are in the unsatisfiable core [2021-07-13 19:56:56,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:56:56,096 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-07-13 19:56:56,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 19:56:56,099 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:56:56,107 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:56:56,108 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:56:56,108 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:53, output treesize:32 [2021-07-13 19:56:56,213 INFO L446 ElimStorePlain]: Different costs {1=[f], 3=[v_prenex_13]} [2021-07-13 19:56:56,217 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-07-13 19:56:56,217 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 [2021-07-13 19:56:56,219 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:56:56,223 INFO L628 ElimStorePlain]: treesize reduction 30, result has 9.1 percent of original size [2021-07-13 19:56:56,223 INFO L518 ElimStorePlain]: Eliminatee v_prenex_13 vanished before elimination [2021-07-13 19:56:56,223 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:56:56,223 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:45, output treesize:3 [2021-07-13 19:56:56,231 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:56:56,232 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [141901027] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:56,232 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:56:56,232 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 11 [2021-07-13 19:56:56,232 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883994754] [2021-07-13 19:56:56,232 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-13 19:56:56,232 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:56:56,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-13 19:56:56,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-07-13 19:56:56,233 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) [2021-07-13 19:56:56,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:56:56,329 INFO L93 Difference]: Finished difference Result 1360 states and 3305 transitions. [2021-07-13 19:56:56,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 19:56:56,330 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 [2021-07-13 19:56:56,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:56:56,335 INFO L225 Difference]: With dead ends: 1360 [2021-07-13 19:56:56,335 INFO L226 Difference]: Without dead ends: 1335 [2021-07-13 19:56:56,336 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 88.0ms TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-07-13 19:56:56,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1335 states. [2021-07-13 19:56:56,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1335 to 1089. [2021-07-13 19:56:56,357 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) [2021-07-13 19:56:56,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 1089 states and 2783 transitions. [2021-07-13 19:56:56,360 INFO L78 Accepts]: Start accepts. Automaton has 1089 states and 2783 transitions. Word has length 26 [2021-07-13 19:56:56,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:56:56,360 INFO L482 AbstractCegarLoop]: Abstraction has 1089 states and 2783 transitions. [2021-07-13 19:56:56,360 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) [2021-07-13 19:56:56,360 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 2783 transitions. [2021-07-13 19:56:56,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-07-13 19:56:56,363 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:56:56,363 INFO L508 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:56:56,576 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:56:56,576 INFO L430 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:56:56,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:56:56,577 INFO L82 PathProgramCache]: Analyzing trace with hash 412497268, now seen corresponding path program 29 times [2021-07-13 19:56:56,577 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:56:56,577 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350937185] [2021-07-13 19:56:56,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:56:56,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:56:56,615 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-13 19:56:56,615 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:56:56,615 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350937185] [2021-07-13 19:56:56,616 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350937185] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:56,616 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [701465221] [2021-07-13 19:56:56,616 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 [2021-07-13 19:56:56,654 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-13 19:56:56,654 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:56:56,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 21 conjunts are in the unsatisfiable core [2021-07-13 19:56:56,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:56:56,707 INFO L354 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2021-07-13 19:56:56,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 19:56:56,709 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:56:56,717 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:56:56,719 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:56:56,719 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-07-13 19:56:56,915 INFO L354 Elim1Store]: treesize reduction 22, result has 12.0 percent of original size [2021-07-13 19:56:56,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 19:56:56,917 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:56:56,933 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:56:56,945 INFO L354 Elim1Store]: treesize reduction 22, result has 12.0 percent of original size [2021-07-13 19:56:56,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 19:56:56,947 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 19:56:56,961 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:56:56,977 INFO L354 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2021-07-13 19:56:56,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 19:56:56,979 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 19:56:56,985 INFO L628 ElimStorePlain]: treesize reduction 16, result has 15.8 percent of original size [2021-07-13 19:56:56,985 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:56:56,986 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:103, output treesize:3 [2021-07-13 19:56:56,995 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-13 19:56:56,995 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [701465221] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:56,995 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:56:56,995 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 11 [2021-07-13 19:56:56,996 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419245314] [2021-07-13 19:56:56,996 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-13 19:56:56,996 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:56:56,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-13 19:56:56,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-07-13 19:56:56,996 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) [2021-07-13 19:56:57,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:56:57,093 INFO L93 Difference]: Finished difference Result 1527 states and 3735 transitions. [2021-07-13 19:56:57,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 19:56:57,093 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 [2021-07-13 19:56:57,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:56:57,098 INFO L225 Difference]: With dead ends: 1527 [2021-07-13 19:56:57,098 INFO L226 Difference]: Without dead ends: 1520 [2021-07-13 19:56:57,098 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 23 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 126.5ms TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-07-13 19:56:57,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1520 states. [2021-07-13 19:56:57,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1520 to 1225. [2021-07-13 19:56:57,122 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) [2021-07-13 19:56:57,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1225 states to 1225 states and 3156 transitions. [2021-07-13 19:56:57,125 INFO L78 Accepts]: Start accepts. Automaton has 1225 states and 3156 transitions. Word has length 26 [2021-07-13 19:56:57,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:56:57,125 INFO L482 AbstractCegarLoop]: Abstraction has 1225 states and 3156 transitions. [2021-07-13 19:56:57,125 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) [2021-07-13 19:56:57,126 INFO L276 IsEmpty]: Start isEmpty. Operand 1225 states and 3156 transitions. [2021-07-13 19:56:57,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-07-13 19:56:57,128 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:56:57,128 INFO L508 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:56:57,330 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2021-07-13 19:56:57,330 INFO L430 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:56:57,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:56:57,330 INFO L82 PathProgramCache]: Analyzing trace with hash -1387752458, now seen corresponding path program 30 times [2021-07-13 19:56:57,330 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:56:57,331 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140626799] [2021-07-13 19:56:57,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:56:57,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:56:57,425 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:56:57,426 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:56:57,426 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140626799] [2021-07-13 19:56:57,426 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140626799] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:57,426 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [376408283] [2021-07-13 19:56:57,426 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 [2021-07-13 19:56:57,456 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-13 19:56:57,456 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:56:57,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-13 19:56:57,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:56:57,638 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:56:57,638 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [376408283] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:57,638 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:56:57,638 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 21 [2021-07-13 19:56:57,638 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068491494] [2021-07-13 19:56:57,638 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-13 19:56:57,638 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:56:57,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-13 19:56:57,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=365, Unknown=0, NotChecked=0, Total=462 [2021-07-13 19:56:57,639 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) [2021-07-13 19:56:58,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:56:58,368 INFO L93 Difference]: Finished difference Result 1761 states and 4199 transitions. [2021-07-13 19:56:58,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-13 19:56:58,369 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 [2021-07-13 19:56:58,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:56:58,375 INFO L225 Difference]: With dead ends: 1761 [2021-07-13 19:56:58,375 INFO L226 Difference]: Without dead ends: 1761 [2021-07-13 19:56:58,376 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 659 ImplicationChecksByTransitivity, 666.1ms TimeCoverageRelationStatistics Valid=757, Invalid=2105, Unknown=0, NotChecked=0, Total=2862 [2021-07-13 19:56:58,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1761 states. [2021-07-13 19:56:58,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1761 to 1090. [2021-07-13 19:56:58,396 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) [2021-07-13 19:56:58,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 1090 states and 2791 transitions. [2021-07-13 19:56:58,399 INFO L78 Accepts]: Start accepts. Automaton has 1090 states and 2791 transitions. Word has length 28 [2021-07-13 19:56:58,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:56:58,399 INFO L482 AbstractCegarLoop]: Abstraction has 1090 states and 2791 transitions. [2021-07-13 19:56:58,399 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) [2021-07-13 19:56:58,399 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 2791 transitions. [2021-07-13 19:56:58,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-07-13 19:56:58,402 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:56:58,402 INFO L508 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:56:58,620 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:56:58,620 INFO L430 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:56:58,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:56:58,621 INFO L82 PathProgramCache]: Analyzing trace with hash 1570155570, now seen corresponding path program 31 times [2021-07-13 19:56:58,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:56:58,621 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118709072] [2021-07-13 19:56:58,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:56:58,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:56:58,714 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:56:58,714 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:56:58,714 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118709072] [2021-07-13 19:56:58,714 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118709072] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:58,714 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [476031919] [2021-07-13 19:56:58,714 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 [2021-07-13 19:56:58,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:56:58,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-13 19:56:58,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:56:58,920 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:56:58,920 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [476031919] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:56:58,920 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:56:58,920 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-07-13 19:56:58,920 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688830262] [2021-07-13 19:56:58,920 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-13 19:56:58,920 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:56:58,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-13 19:56:58,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2021-07-13 19:56:58,921 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) [2021-07-13 19:56:59,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:56:59,942 INFO L93 Difference]: Finished difference Result 2078 states and 4785 transitions. [2021-07-13 19:56:59,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-13 19:56:59,943 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 [2021-07-13 19:56:59,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:56:59,949 INFO L225 Difference]: With dead ends: 2078 [2021-07-13 19:56:59,949 INFO L226 Difference]: Without dead ends: 2007 [2021-07-13 19:56:59,950 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1149 ImplicationChecksByTransitivity, 961.4ms TimeCoverageRelationStatistics Valid=946, Invalid=3086, Unknown=0, NotChecked=0, Total=4032 [2021-07-13 19:56:59,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2007 states. [2021-07-13 19:56:59,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2007 to 1154. [2021-07-13 19:56:59,977 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) [2021-07-13 19:56:59,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 1154 states and 2938 transitions. [2021-07-13 19:56:59,980 INFO L78 Accepts]: Start accepts. Automaton has 1154 states and 2938 transitions. Word has length 28 [2021-07-13 19:56:59,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:56:59,980 INFO L482 AbstractCegarLoop]: Abstraction has 1154 states and 2938 transitions. [2021-07-13 19:56:59,980 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) [2021-07-13 19:56:59,980 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 2938 transitions. [2021-07-13 19:56:59,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-07-13 19:56:59,983 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:56:59,983 INFO L508 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:57:00,204 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63,32 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:57:00,204 INFO L430 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:57:00,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:57:00,205 INFO L82 PathProgramCache]: Analyzing trace with hash -1031109750, now seen corresponding path program 32 times [2021-07-13 19:57:00,205 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:57:00,205 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147255760] [2021-07-13 19:57:00,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:57:00,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:57:00,276 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:57:00,276 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:57:00,276 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147255760] [2021-07-13 19:57:00,276 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147255760] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:00,276 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [591844896] [2021-07-13 19:57:00,276 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 [2021-07-13 19:57:00,330 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 19:57:00,330 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:57:00,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-13 19:57:00,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:57:00,497 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:57:00,497 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [591844896] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:00,497 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:57:00,497 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 17 [2021-07-13 19:57:00,497 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931560763] [2021-07-13 19:57:00,498 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-13 19:57:00,498 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:57:00,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-13 19:57:00,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2021-07-13 19:57:00,498 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) [2021-07-13 19:57:01,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:57:01,393 INFO L93 Difference]: Finished difference Result 2302 states and 5553 transitions. [2021-07-13 19:57:01,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-13 19:57:01,394 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 [2021-07-13 19:57:01,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:57:01,399 INFO L225 Difference]: With dead ends: 2302 [2021-07-13 19:57:01,399 INFO L226 Difference]: Without dead ends: 2294 [2021-07-13 19:57:01,400 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 858 ImplicationChecksByTransitivity, 776.3ms TimeCoverageRelationStatistics Valid=836, Invalid=2134, Unknown=0, NotChecked=0, Total=2970 [2021-07-13 19:57:01,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2294 states. [2021-07-13 19:57:01,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2294 to 1436. [2021-07-13 19:57:01,429 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) [2021-07-13 19:57:01,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1436 states to 1436 states and 3658 transitions. [2021-07-13 19:57:01,433 INFO L78 Accepts]: Start accepts. Automaton has 1436 states and 3658 transitions. Word has length 28 [2021-07-13 19:57:01,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:57:01,433 INFO L482 AbstractCegarLoop]: Abstraction has 1436 states and 3658 transitions. [2021-07-13 19:57:01,433 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) [2021-07-13 19:57:01,433 INFO L276 IsEmpty]: Start isEmpty. Operand 1436 states and 3658 transitions. [2021-07-13 19:57:01,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-07-13 19:57:01,435 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:57:01,436 INFO L508 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:57:01,652 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable64 [2021-07-13 19:57:01,652 INFO L430 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:57:01,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:57:01,652 INFO L82 PathProgramCache]: Analyzing trace with hash 1879959464, now seen corresponding path program 33 times [2021-07-13 19:57:01,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:57:01,652 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538533459] [2021-07-13 19:57:01,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:57:01,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:57:01,709 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:57:01,709 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:57:01,709 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538533459] [2021-07-13 19:57:01,709 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538533459] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:01,709 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [895379459] [2021-07-13 19:57:01,709 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 [2021-07-13 19:57:01,755 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-07-13 19:57:01,755 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:57:01,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-13 19:57:01,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:57:01,929 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:57:01,930 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [895379459] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:01,930 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:57:01,930 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 17 [2021-07-13 19:57:01,930 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781751493] [2021-07-13 19:57:01,931 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-13 19:57:01,931 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:57:01,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-13 19:57:01,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2021-07-13 19:57:01,932 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) [2021-07-13 19:57:02,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:57:02,649 INFO L93 Difference]: Finished difference Result 1661 states and 4081 transitions. [2021-07-13 19:57:02,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-13 19:57:02,649 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 [2021-07-13 19:57:02,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:57:02,657 INFO L225 Difference]: With dead ends: 1661 [2021-07-13 19:57:02,657 INFO L226 Difference]: Without dead ends: 1657 [2021-07-13 19:57:02,658 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 661 ImplicationChecksByTransitivity, 697.8ms TimeCoverageRelationStatistics Valid=647, Invalid=1903, Unknown=0, NotChecked=0, Total=2550 [2021-07-13 19:57:02,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1657 states. [2021-07-13 19:57:02,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1657 to 1436. [2021-07-13 19:57:02,676 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) [2021-07-13 19:57:02,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1436 states to 1436 states and 3656 transitions. [2021-07-13 19:57:02,680 INFO L78 Accepts]: Start accepts. Automaton has 1436 states and 3656 transitions. Word has length 28 [2021-07-13 19:57:02,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:57:02,680 INFO L482 AbstractCegarLoop]: Abstraction has 1436 states and 3656 transitions. [2021-07-13 19:57:02,680 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) [2021-07-13 19:57:02,680 INFO L276 IsEmpty]: Start isEmpty. Operand 1436 states and 3656 transitions. [2021-07-13 19:57:02,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-07-13 19:57:02,683 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:57:02,683 INFO L508 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:57:02,904 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65,34 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:57:02,905 INFO L430 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:57:02,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:57:02,905 INFO L82 PathProgramCache]: Analyzing trace with hash 1630957874, now seen corresponding path program 34 times [2021-07-13 19:57:02,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:57:02,905 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891599354] [2021-07-13 19:57:02,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:57:02,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:57:02,950 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:57:02,951 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:57:02,951 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891599354] [2021-07-13 19:57:02,951 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891599354] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:02,951 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1614732716] [2021-07-13 19:57:02,951 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 [2021-07-13 19:57:02,978 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 19:57:02,978 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:57:02,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-13 19:57:02,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:57:03,123 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:57:03,123 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1614732716] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:03,123 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:57:03,123 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 17 [2021-07-13 19:57:03,123 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571540345] [2021-07-13 19:57:03,124 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-13 19:57:03,124 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:57:03,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-13 19:57:03,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2021-07-13 19:57:03,124 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) [2021-07-13 19:57:03,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:57:03,716 INFO L93 Difference]: Finished difference Result 2041 states and 4979 transitions. [2021-07-13 19:57:03,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-13 19:57:03,717 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 [2021-07-13 19:57:03,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:57:03,722 INFO L225 Difference]: With dead ends: 2041 [2021-07-13 19:57:03,722 INFO L226 Difference]: Without dead ends: 2026 [2021-07-13 19:57:03,723 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 433 ImplicationChecksByTransitivity, 463.4ms TimeCoverageRelationStatistics Valid=421, Invalid=1301, Unknown=0, NotChecked=0, Total=1722 [2021-07-13 19:57:03,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2026 states. [2021-07-13 19:57:03,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2026 to 1482. [2021-07-13 19:57:03,752 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) [2021-07-13 19:57:03,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1482 states to 1482 states and 3781 transitions. [2021-07-13 19:57:03,757 INFO L78 Accepts]: Start accepts. Automaton has 1482 states and 3781 transitions. Word has length 28 [2021-07-13 19:57:03,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:57:03,757 INFO L482 AbstractCegarLoop]: Abstraction has 1482 states and 3781 transitions. [2021-07-13 19:57:03,757 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) [2021-07-13 19:57:03,757 INFO L276 IsEmpty]: Start isEmpty. Operand 1482 states and 3781 transitions. [2021-07-13 19:57:03,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-07-13 19:57:03,760 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:57:03,760 INFO L508 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:57:03,972 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable66 [2021-07-13 19:57:03,973 INFO L430 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:57:03,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:57:03,973 INFO L82 PathProgramCache]: Analyzing trace with hash -1524214334, now seen corresponding path program 35 times [2021-07-13 19:57:03,973 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:57:03,973 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287040540] [2021-07-13 19:57:03,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:57:03,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:57:04,031 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:57:04,031 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:57:04,031 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287040540] [2021-07-13 19:57:04,031 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287040540] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:04,031 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [94640523] [2021-07-13 19:57:04,031 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 [2021-07-13 19:57:04,055 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-07-13 19:57:04,055 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:57:04,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-13 19:57:04,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:57:04,225 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:57:04,225 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [94640523] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:04,225 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:57:04,225 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11] total 18 [2021-07-13 19:57:04,225 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491331696] [2021-07-13 19:57:04,225 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-13 19:57:04,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:57:04,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-13 19:57:04,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2021-07-13 19:57:04,226 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) [2021-07-13 19:57:05,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:57:05,011 INFO L93 Difference]: Finished difference Result 1955 states and 4722 transitions. [2021-07-13 19:57:05,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-13 19:57:05,011 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 [2021-07-13 19:57:05,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:57:05,015 INFO L225 Difference]: With dead ends: 1955 [2021-07-13 19:57:05,015 INFO L226 Difference]: Without dead ends: 1941 [2021-07-13 19:57:05,016 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 764 ImplicationChecksByTransitivity, 709.8ms TimeCoverageRelationStatistics Valid=680, Invalid=2076, Unknown=0, NotChecked=0, Total=2756 [2021-07-13 19:57:05,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1941 states. [2021-07-13 19:57:05,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1941 to 1492. [2021-07-13 19:57:05,035 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) [2021-07-13 19:57:05,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1492 states to 1492 states and 3804 transitions. [2021-07-13 19:57:05,040 INFO L78 Accepts]: Start accepts. Automaton has 1492 states and 3804 transitions. Word has length 28 [2021-07-13 19:57:05,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:57:05,040 INFO L482 AbstractCegarLoop]: Abstraction has 1492 states and 3804 transitions. [2021-07-13 19:57:05,040 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) [2021-07-13 19:57:05,040 INFO L276 IsEmpty]: Start isEmpty. Operand 1492 states and 3804 transitions. [2021-07-13 19:57:05,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-07-13 19:57:05,043 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:57:05,043 INFO L508 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:57:05,256 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:57:05,257 INFO L430 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:57:05,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:57:05,257 INFO L82 PathProgramCache]: Analyzing trace with hash -1020569282, now seen corresponding path program 36 times [2021-07-13 19:57:05,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:57:05,257 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156996650] [2021-07-13 19:57:05,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:57:05,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:57:05,330 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:57:05,330 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:57:05,330 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156996650] [2021-07-13 19:57:05,330 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156996650] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:05,330 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1626374978] [2021-07-13 19:57:05,330 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 [2021-07-13 19:57:05,355 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-13 19:57:05,355 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:57:05,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-13 19:57:05,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:57:05,498 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:57:05,499 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1626374978] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:05,499 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:57:05,499 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 19 [2021-07-13 19:57:05,499 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462429515] [2021-07-13 19:57:05,499 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-13 19:57:05,499 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:57:05,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-13 19:57:05,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=301, Unknown=0, NotChecked=0, Total=380 [2021-07-13 19:57:05,500 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) [2021-07-13 19:57:06,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:57:06,275 INFO L93 Difference]: Finished difference Result 2120 states and 5066 transitions. [2021-07-13 19:57:06,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-13 19:57:06,276 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 [2021-07-13 19:57:06,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:57:06,280 INFO L225 Difference]: With dead ends: 2120 [2021-07-13 19:57:06,280 INFO L226 Difference]: Without dead ends: 2094 [2021-07-13 19:57:06,281 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 878 ImplicationChecksByTransitivity, 694.6ms TimeCoverageRelationStatistics Valid=724, Invalid=2246, Unknown=0, NotChecked=0, Total=2970 [2021-07-13 19:57:06,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2094 states. [2021-07-13 19:57:06,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2094 to 1363. [2021-07-13 19:57:06,307 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) [2021-07-13 19:57:06,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 1363 states and 3446 transitions. [2021-07-13 19:57:06,311 INFO L78 Accepts]: Start accepts. Automaton has 1363 states and 3446 transitions. Word has length 28 [2021-07-13 19:57:06,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:57:06,311 INFO L482 AbstractCegarLoop]: Abstraction has 1363 states and 3446 transitions. [2021-07-13 19:57:06,311 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) [2021-07-13 19:57:06,311 INFO L276 IsEmpty]: Start isEmpty. Operand 1363 states and 3446 transitions. [2021-07-13 19:57:06,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-07-13 19:57:06,313 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:57:06,313 INFO L508 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:57:06,532 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable68 [2021-07-13 19:57:06,533 INFO L430 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:57:06,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:57:06,533 INFO L82 PathProgramCache]: Analyzing trace with hash 873893366, now seen corresponding path program 37 times [2021-07-13 19:57:06,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:57:06,533 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831520518] [2021-07-13 19:57:06,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:57:06,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:57:06,605 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:57:06,605 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:57:06,605 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831520518] [2021-07-13 19:57:06,605 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831520518] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:06,605 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965127912] [2021-07-13 19:57:06,605 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 [2021-07-13 19:57:06,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:57:06,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-13 19:57:06,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:57:06,777 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:57:06,777 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1965127912] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:06,777 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:57:06,777 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-07-13 19:57:06,777 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982830040] [2021-07-13 19:57:06,778 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-13 19:57:06,778 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:57:06,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-13 19:57:06,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=338, Unknown=0, NotChecked=0, Total=420 [2021-07-13 19:57:06,778 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) [2021-07-13 19:57:07,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:57:07,532 INFO L93 Difference]: Finished difference Result 2078 states and 4835 transitions. [2021-07-13 19:57:07,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-13 19:57:07,532 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 [2021-07-13 19:57:07,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:57:07,540 INFO L225 Difference]: With dead ends: 2078 [2021-07-13 19:57:07,540 INFO L226 Difference]: Without dead ends: 2078 [2021-07-13 19:57:07,541 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 739 ImplicationChecksByTransitivity, 674.1ms TimeCoverageRelationStatistics Valid=756, Invalid=2106, Unknown=0, NotChecked=0, Total=2862 [2021-07-13 19:57:07,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2078 states. [2021-07-13 19:57:07,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2078 to 1171. [2021-07-13 19:57:07,567 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) [2021-07-13 19:57:07,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1171 states to 1171 states and 2926 transitions. [2021-07-13 19:57:07,570 INFO L78 Accepts]: Start accepts. Automaton has 1171 states and 2926 transitions. Word has length 28 [2021-07-13 19:57:07,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:57:07,570 INFO L482 AbstractCegarLoop]: Abstraction has 1171 states and 2926 transitions. [2021-07-13 19:57:07,570 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) [2021-07-13 19:57:07,571 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2926 transitions. [2021-07-13 19:57:07,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-07-13 19:57:07,572 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:57:07,572 INFO L508 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:57:07,794 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable69 [2021-07-13 19:57:07,794 INFO L430 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:57:07,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:57:07,795 INFO L82 PathProgramCache]: Analyzing trace with hash 876971314, now seen corresponding path program 38 times [2021-07-13 19:57:07,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:57:07,795 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891668289] [2021-07-13 19:57:07,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:57:07,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:57:07,866 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:57:07,866 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:57:07,866 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891668289] [2021-07-13 19:57:07,866 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891668289] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:07,866 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1488469270] [2021-07-13 19:57:07,866 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 [2021-07-13 19:57:07,889 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 19:57:07,889 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:57:07,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-13 19:57:07,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:57:08,054 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:57:08,054 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1488469270] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:08,054 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:57:08,054 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 19 [2021-07-13 19:57:08,054 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463674748] [2021-07-13 19:57:08,054 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-13 19:57:08,054 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:57:08,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-13 19:57:08,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-07-13 19:57:08,055 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) [2021-07-13 19:57:08,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:57:08,844 INFO L93 Difference]: Finished difference Result 1575 states and 3659 transitions. [2021-07-13 19:57:08,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-13 19:57:08,844 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 [2021-07-13 19:57:08,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:57:08,848 INFO L225 Difference]: With dead ends: 1575 [2021-07-13 19:57:08,848 INFO L226 Difference]: Without dead ends: 1536 [2021-07-13 19:57:08,849 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 797 ImplicationChecksByTransitivity, 711.8ms TimeCoverageRelationStatistics Valid=599, Invalid=2053, Unknown=0, NotChecked=0, Total=2652 [2021-07-13 19:57:08,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1536 states. [2021-07-13 19:57:08,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1536 to 1078. [2021-07-13 19:57:08,870 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) [2021-07-13 19:57:08,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 1078 states and 2666 transitions. [2021-07-13 19:57:08,873 INFO L78 Accepts]: Start accepts. Automaton has 1078 states and 2666 transitions. Word has length 28 [2021-07-13 19:57:08,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:57:08,873 INFO L482 AbstractCegarLoop]: Abstraction has 1078 states and 2666 transitions. [2021-07-13 19:57:08,873 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) [2021-07-13 19:57:08,873 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 2666 transitions. [2021-07-13 19:57:08,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-07-13 19:57:08,875 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:57:08,875 INFO L508 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:57:09,098 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,39 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:57:09,099 INFO L430 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:57:09,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:57:09,099 INFO L82 PathProgramCache]: Analyzing trace with hash 706414582, now seen corresponding path program 39 times [2021-07-13 19:57:09,099 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:57:09,099 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921024131] [2021-07-13 19:57:09,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:57:09,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:57:09,172 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:57:09,172 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:57:09,172 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921024131] [2021-07-13 19:57:09,172 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921024131] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:09,172 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [798234321] [2021-07-13 19:57:09,172 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 [2021-07-13 19:57:09,196 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-13 19:57:09,196 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:57:09,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-13 19:57:09,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:57:09,345 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:57:09,345 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [798234321] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:09,345 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:57:09,345 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 19 [2021-07-13 19:57:09,345 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994477957] [2021-07-13 19:57:09,345 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-13 19:57:09,345 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:57:09,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-13 19:57:09,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-07-13 19:57:09,346 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) [2021-07-13 19:57:10,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:57:10,148 INFO L93 Difference]: Finished difference Result 1983 states and 4574 transitions. [2021-07-13 19:57:10,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-13 19:57:10,153 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 [2021-07-13 19:57:10,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:57:10,156 INFO L225 Difference]: With dead ends: 1983 [2021-07-13 19:57:10,156 INFO L226 Difference]: Without dead ends: 1983 [2021-07-13 19:57:10,157 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 953 ImplicationChecksByTransitivity, 699.7ms TimeCoverageRelationStatistics Valid=892, Invalid=2300, Unknown=0, NotChecked=0, Total=3192 [2021-07-13 19:57:10,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1983 states. [2021-07-13 19:57:10,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1983 to 1181. [2021-07-13 19:57:10,178 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) [2021-07-13 19:57:10,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1181 states to 1181 states and 2880 transitions. [2021-07-13 19:57:10,180 INFO L78 Accepts]: Start accepts. Automaton has 1181 states and 2880 transitions. Word has length 28 [2021-07-13 19:57:10,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:57:10,181 INFO L482 AbstractCegarLoop]: Abstraction has 1181 states and 2880 transitions. [2021-07-13 19:57:10,181 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) [2021-07-13 19:57:10,181 INFO L276 IsEmpty]: Start isEmpty. Operand 1181 states and 2880 transitions. [2021-07-13 19:57:10,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-07-13 19:57:10,182 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:57:10,183 INFO L508 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:57:10,409 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71,40 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:57:10,409 INFO L430 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:57:10,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:57:10,409 INFO L82 PathProgramCache]: Analyzing trace with hash 1792450098, now seen corresponding path program 40 times [2021-07-13 19:57:10,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:57:10,409 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157239545] [2021-07-13 19:57:10,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:57:10,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:57:10,467 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:57:10,468 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:57:10,468 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157239545] [2021-07-13 19:57:10,468 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157239545] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:10,468 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1745854664] [2021-07-13 19:57:10,468 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 [2021-07-13 19:57:10,502 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 19:57:10,503 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:57:10,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-13 19:57:10,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:57:10,656 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:57:10,656 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1745854664] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:10,656 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:57:10,657 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11] total 18 [2021-07-13 19:57:10,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022047910] [2021-07-13 19:57:10,657 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-13 19:57:10,657 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:57:10,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-13 19:57:10,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2021-07-13 19:57:10,657 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) [2021-07-13 19:57:11,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:57:11,273 INFO L93 Difference]: Finished difference Result 1515 states and 3517 transitions. [2021-07-13 19:57:11,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-13 19:57:11,274 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 [2021-07-13 19:57:11,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:57:11,276 INFO L225 Difference]: With dead ends: 1515 [2021-07-13 19:57:11,276 INFO L226 Difference]: Without dead ends: 1497 [2021-07-13 19:57:11,276 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 664 ImplicationChecksByTransitivity, 573.4ms TimeCoverageRelationStatistics Valid=519, Invalid=1737, Unknown=0, NotChecked=0, Total=2256 [2021-07-13 19:57:11,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1497 states. [2021-07-13 19:57:11,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1497 to 1209. [2021-07-13 19:57:11,292 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) [2021-07-13 19:57:11,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 1209 states and 2956 transitions. [2021-07-13 19:57:11,294 INFO L78 Accepts]: Start accepts. Automaton has 1209 states and 2956 transitions. Word has length 28 [2021-07-13 19:57:11,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:57:11,294 INFO L482 AbstractCegarLoop]: Abstraction has 1209 states and 2956 transitions. [2021-07-13 19:57:11,295 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) [2021-07-13 19:57:11,295 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 2956 transitions. [2021-07-13 19:57:11,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-07-13 19:57:11,296 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:57:11,297 INFO L508 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:57:11,517 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:57:11,518 INFO L430 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:57:11,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:57:11,518 INFO L82 PathProgramCache]: Analyzing trace with hash -352976394, now seen corresponding path program 41 times [2021-07-13 19:57:11,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:57:11,518 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824813420] [2021-07-13 19:57:11,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:57:11,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:57:11,581 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:57:11,581 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:57:11,581 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824813420] [2021-07-13 19:57:11,581 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824813420] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:11,581 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [232677292] [2021-07-13 19:57:11,581 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 [2021-07-13 19:57:11,611 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-07-13 19:57:11,611 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:57:11,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-13 19:57:11,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:57:11,775 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:57:11,776 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [232677292] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:11,776 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:57:11,776 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11] total 18 [2021-07-13 19:57:11,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178557424] [2021-07-13 19:57:11,776 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-13 19:57:11,776 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:57:11,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-13 19:57:11,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=274, Unknown=0, NotChecked=0, Total=342 [2021-07-13 19:57:11,777 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) [2021-07-13 19:57:12,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:57:12,619 INFO L93 Difference]: Finished difference Result 2391 states and 5676 transitions. [2021-07-13 19:57:12,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-13 19:57:12,619 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 [2021-07-13 19:57:12,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:57:12,622 INFO L225 Difference]: With dead ends: 2391 [2021-07-13 19:57:12,622 INFO L226 Difference]: Without dead ends: 2391 [2021-07-13 19:57:12,623 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1207 ImplicationChecksByTransitivity, 776.7ms TimeCoverageRelationStatistics Valid=1080, Invalid=2580, Unknown=0, NotChecked=0, Total=3660 [2021-07-13 19:57:12,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2391 states. [2021-07-13 19:57:12,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2391 to 1853. [2021-07-13 19:57:12,652 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) [2021-07-13 19:57:12,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1853 states to 1853 states and 4630 transitions. [2021-07-13 19:57:12,656 INFO L78 Accepts]: Start accepts. Automaton has 1853 states and 4630 transitions. Word has length 28 [2021-07-13 19:57:12,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:57:12,657 INFO L482 AbstractCegarLoop]: Abstraction has 1853 states and 4630 transitions. [2021-07-13 19:57:12,657 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) [2021-07-13 19:57:12,657 INFO L276 IsEmpty]: Start isEmpty. Operand 1853 states and 4630 transitions. [2021-07-13 19:57:12,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-07-13 19:57:12,660 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:57:12,660 INFO L508 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:57:12,872 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73,42 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:57:12,873 INFO L430 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:57:12,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:57:12,873 INFO L82 PathProgramCache]: Analyzing trace with hash 1995970268, now seen corresponding path program 42 times [2021-07-13 19:57:12,873 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:57:12,873 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097130310] [2021-07-13 19:57:12,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:57:12,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:57:12,927 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:57:12,928 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:57:12,928 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097130310] [2021-07-13 19:57:12,928 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097130310] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:12,928 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [266927770] [2021-07-13 19:57:12,928 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 [2021-07-13 19:57:12,951 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-13 19:57:12,951 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:57:12,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-13 19:57:12,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:57:13,136 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:57:13,136 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [266927770] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:13,136 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:57:13,136 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 17 [2021-07-13 19:57:13,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097133819] [2021-07-13 19:57:13,136 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-13 19:57:13,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:57:13,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-13 19:57:13,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2021-07-13 19:57:13,137 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) [2021-07-13 19:57:13,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:57:13,724 INFO L93 Difference]: Finished difference Result 2323 states and 5527 transitions. [2021-07-13 19:57:13,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-13 19:57:13,725 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 [2021-07-13 19:57:13,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:57:13,734 INFO L225 Difference]: With dead ends: 2323 [2021-07-13 19:57:13,734 INFO L226 Difference]: Without dead ends: 2319 [2021-07-13 19:57:13,735 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 633 ImplicationChecksByTransitivity, 562.2ms TimeCoverageRelationStatistics Valid=634, Invalid=1622, Unknown=0, NotChecked=0, Total=2256 [2021-07-13 19:57:13,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2319 states. [2021-07-13 19:57:13,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2319 to 1827. [2021-07-13 19:57:13,756 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) [2021-07-13 19:57:13,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1827 states to 1827 states and 4558 transitions. [2021-07-13 19:57:13,760 INFO L78 Accepts]: Start accepts. Automaton has 1827 states and 4558 transitions. Word has length 28 [2021-07-13 19:57:13,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:57:13,760 INFO L482 AbstractCegarLoop]: Abstraction has 1827 states and 4558 transitions. [2021-07-13 19:57:13,760 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) [2021-07-13 19:57:13,760 INFO L276 IsEmpty]: Start isEmpty. Operand 1827 states and 4558 transitions. [2021-07-13 19:57:13,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-07-13 19:57:13,762 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:57:13,762 INFO L508 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:57:13,963 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74,43 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:57:13,963 INFO L430 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:57:13,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:57:13,963 INFO L82 PathProgramCache]: Analyzing trace with hash 1489624002, now seen corresponding path program 43 times [2021-07-13 19:57:13,963 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:57:13,963 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933269898] [2021-07-13 19:57:13,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:57:13,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:57:14,019 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:57:14,019 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:57:14,019 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933269898] [2021-07-13 19:57:14,019 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933269898] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:14,019 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1314800721] [2021-07-13 19:57:14,020 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 [2021-07-13 19:57:14,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:57:14,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-13 19:57:14,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:57:14,179 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:57:14,179 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1314800721] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:14,179 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:57:14,179 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11] total 18 [2021-07-13 19:57:14,179 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588301948] [2021-07-13 19:57:14,179 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-13 19:57:14,179 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:57:14,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-13 19:57:14,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=274, Unknown=0, NotChecked=0, Total=342 [2021-07-13 19:57:14,180 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) [2021-07-13 19:57:14,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:57:14,759 INFO L93 Difference]: Finished difference Result 2472 states and 5895 transitions. [2021-07-13 19:57:14,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-13 19:57:14,759 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 [2021-07-13 19:57:14,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:57:14,762 INFO L225 Difference]: With dead ends: 2472 [2021-07-13 19:57:14,762 INFO L226 Difference]: Without dead ends: 2460 [2021-07-13 19:57:14,763 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 664 ImplicationChecksByTransitivity, 531.9ms TimeCoverageRelationStatistics Valid=613, Invalid=1739, Unknown=0, NotChecked=0, Total=2352 [2021-07-13 19:57:14,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2460 states. [2021-07-13 19:57:14,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2460 to 1976. [2021-07-13 19:57:14,788 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) [2021-07-13 19:57:14,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1976 states to 1976 states and 4950 transitions. [2021-07-13 19:57:14,791 INFO L78 Accepts]: Start accepts. Automaton has 1976 states and 4950 transitions. Word has length 28 [2021-07-13 19:57:14,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:57:14,791 INFO L482 AbstractCegarLoop]: Abstraction has 1976 states and 4950 transitions. [2021-07-13 19:57:14,791 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) [2021-07-13 19:57:14,791 INFO L276 IsEmpty]: Start isEmpty. Operand 1976 states and 4950 transitions. [2021-07-13 19:57:14,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-07-13 19:57:14,793 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:57:14,793 INFO L508 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:57:14,994 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75,44 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:57:14,994 INFO L430 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:57:14,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:57:14,995 INFO L82 PathProgramCache]: Analyzing trace with hash 1262402622, now seen corresponding path program 44 times [2021-07-13 19:57:14,995 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:57:14,995 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863091605] [2021-07-13 19:57:14,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:57:14,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:57:15,052 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:57:15,052 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:57:15,052 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863091605] [2021-07-13 19:57:15,052 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863091605] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:15,052 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1991639951] [2021-07-13 19:57:15,052 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 [2021-07-13 19:57:15,075 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 19:57:15,075 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:57:15,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-13 19:57:15,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:57:15,220 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:57:15,220 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1991639951] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:15,220 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:57:15,220 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 19 [2021-07-13 19:57:15,220 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214999429] [2021-07-13 19:57:15,220 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-13 19:57:15,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:57:15,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-13 19:57:15,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=305, Unknown=0, NotChecked=0, Total=380 [2021-07-13 19:57:15,221 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) [2021-07-13 19:57:15,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:57:15,887 INFO L93 Difference]: Finished difference Result 2770 states and 6589 transitions. [2021-07-13 19:57:15,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-13 19:57:15,888 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 [2021-07-13 19:57:15,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:57:15,891 INFO L225 Difference]: With dead ends: 2770 [2021-07-13 19:57:15,891 INFO L226 Difference]: Without dead ends: 2750 [2021-07-13 19:57:15,891 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 761 ImplicationChecksByTransitivity, 617.2ms TimeCoverageRelationStatistics Valid=662, Invalid=1990, Unknown=0, NotChecked=0, Total=2652 [2021-07-13 19:57:15,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2750 states. [2021-07-13 19:57:15,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2750 to 2206. [2021-07-13 19:57:15,920 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) [2021-07-13 19:57:15,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2206 states to 2206 states and 5535 transitions. [2021-07-13 19:57:15,923 INFO L78 Accepts]: Start accepts. Automaton has 2206 states and 5535 transitions. Word has length 28 [2021-07-13 19:57:15,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:57:15,923 INFO L482 AbstractCegarLoop]: Abstraction has 2206 states and 5535 transitions. [2021-07-13 19:57:15,923 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) [2021-07-13 19:57:15,923 INFO L276 IsEmpty]: Start isEmpty. Operand 2206 states and 5535 transitions. [2021-07-13 19:57:15,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-07-13 19:57:15,925 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:57:15,926 INFO L508 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:57:16,126 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable76 [2021-07-13 19:57:16,126 INFO L430 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:57:16,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:57:16,126 INFO L82 PathProgramCache]: Analyzing trace with hash 1945988538, now seen corresponding path program 45 times [2021-07-13 19:57:16,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:57:16,127 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931589142] [2021-07-13 19:57:16,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:57:16,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:57:16,192 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:57:16,192 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:57:16,192 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931589142] [2021-07-13 19:57:16,192 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931589142] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:16,192 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1102501920] [2021-07-13 19:57:16,192 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 [2021-07-13 19:57:16,216 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-13 19:57:16,217 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:57:16,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-13 19:57:16,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:57:16,406 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:57:16,406 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1102501920] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:16,406 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:57:16,406 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-07-13 19:57:16,406 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60402581] [2021-07-13 19:57:16,406 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-13 19:57:16,406 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:57:16,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-13 19:57:16,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=334, Unknown=0, NotChecked=0, Total=420 [2021-07-13 19:57:16,407 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) [2021-07-13 19:57:17,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:57:17,103 INFO L93 Difference]: Finished difference Result 2769 states and 6659 transitions. [2021-07-13 19:57:17,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-13 19:57:17,103 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 [2021-07-13 19:57:17,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:57:17,107 INFO L225 Difference]: With dead ends: 2769 [2021-07-13 19:57:17,107 INFO L226 Difference]: Without dead ends: 2741 [2021-07-13 19:57:17,107 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 953 ImplicationChecksByTransitivity, 673.6ms TimeCoverageRelationStatistics Valid=778, Invalid=2414, Unknown=0, NotChecked=0, Total=3192 [2021-07-13 19:57:17,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2741 states. [2021-07-13 19:57:17,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2741 to 2259. [2021-07-13 19:57:17,142 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) [2021-07-13 19:57:17,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2259 states to 2259 states and 5697 transitions. [2021-07-13 19:57:17,145 INFO L78 Accepts]: Start accepts. Automaton has 2259 states and 5697 transitions. Word has length 28 [2021-07-13 19:57:17,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:57:17,145 INFO L482 AbstractCegarLoop]: Abstraction has 2259 states and 5697 transitions. [2021-07-13 19:57:17,145 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) [2021-07-13 19:57:17,145 INFO L276 IsEmpty]: Start isEmpty. Operand 2259 states and 5697 transitions. [2021-07-13 19:57:17,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-07-13 19:57:17,148 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:57:17,148 INFO L508 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:57:17,348 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable77 [2021-07-13 19:57:17,349 INFO L430 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:57:17,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:57:17,349 INFO L82 PathProgramCache]: Analyzing trace with hash 1181662516, now seen corresponding path program 46 times [2021-07-13 19:57:17,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:57:17,349 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027065166] [2021-07-13 19:57:17,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:57:17,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:57:17,385 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:57:17,385 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:57:17,386 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027065166] [2021-07-13 19:57:17,386 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027065166] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:17,386 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [723476704] [2021-07-13 19:57:17,386 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 [2021-07-13 19:57:17,426 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 19:57:17,426 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:57:17,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-13 19:57:17,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:57:17,501 INFO L354 Elim1Store]: treesize reduction 16, result has 67.3 percent of original size [2021-07-13 19:57:17,501 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 [2021-07-13 19:57:17,503 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:57:17,523 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:57:17,524 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:57:17,524 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:64, output treesize:92 [2021-07-13 19:57:17,976 INFO L354 Elim1Store]: treesize reduction 46, result has 6.1 percent of original size [2021-07-13 19:57:17,976 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 [2021-07-13 19:57:17,977 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:57:18,022 INFO L628 ElimStorePlain]: treesize reduction 53, result has 71.5 percent of original size [2021-07-13 19:57:18,048 INFO L354 Elim1Store]: treesize reduction 24, result has 51.0 percent of original size [2021-07-13 19:57:18,048 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 [2021-07-13 19:57:18,050 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 19:57:18,057 INFO L628 ElimStorePlain]: treesize reduction 86, result has 3.4 percent of original size [2021-07-13 19:57:18,057 INFO L518 ElimStorePlain]: Eliminatee v_prenex_27 vanished before elimination [2021-07-13 19:57:18,057 INFO L518 ElimStorePlain]: Eliminatee v_prenex_26 vanished before elimination [2021-07-13 19:57:18,057 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:57:18,058 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 8 variables, input treesize:242, output treesize:3 [2021-07-13 19:57:18,063 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:57:18,063 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [723476704] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:18,063 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:57:18,063 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 14 [2021-07-13 19:57:18,063 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817599910] [2021-07-13 19:57:18,063 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-13 19:57:18,063 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:57:18,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-13 19:57:18,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-07-13 19:57:18,064 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) [2021-07-13 19:57:18,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:57:18,193 INFO L93 Difference]: Finished difference Result 2998 states and 7342 transitions. [2021-07-13 19:57:18,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-13 19:57:18,194 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 [2021-07-13 19:57:18,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:57:18,198 INFO L225 Difference]: With dead ends: 2998 [2021-07-13 19:57:18,198 INFO L226 Difference]: Without dead ends: 2991 [2021-07-13 19:57:18,198 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 267.0ms TimeCoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-07-13 19:57:18,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2991 states. [2021-07-13 19:57:18,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2991 to 2615. [2021-07-13 19:57:18,228 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) [2021-07-13 19:57:18,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2615 states to 2615 states and 6628 transitions. [2021-07-13 19:57:18,232 INFO L78 Accepts]: Start accepts. Automaton has 2615 states and 6628 transitions. Word has length 30 [2021-07-13 19:57:18,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:57:18,232 INFO L482 AbstractCegarLoop]: Abstraction has 2615 states and 6628 transitions. [2021-07-13 19:57:18,232 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) [2021-07-13 19:57:18,232 INFO L276 IsEmpty]: Start isEmpty. Operand 2615 states and 6628 transitions. [2021-07-13 19:57:18,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-07-13 19:57:18,235 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:57:18,235 INFO L508 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:57:18,436 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable78 [2021-07-13 19:57:18,436 INFO L430 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:57:18,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:57:18,437 INFO L82 PathProgramCache]: Analyzing trace with hash 61643060, now seen corresponding path program 47 times [2021-07-13 19:57:18,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:57:18,437 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542947422] [2021-07-13 19:57:18,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:57:18,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:57:18,495 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-13 19:57:18,495 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:57:18,495 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542947422] [2021-07-13 19:57:18,495 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542947422] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:18,495 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [275309248] [2021-07-13 19:57:18,495 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 [2021-07-13 19:57:18,527 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-13 19:57:18,527 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:57:18,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 29 conjunts are in the unsatisfiable core [2021-07-13 19:57:18,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:57:18,702 INFO L354 Elim1Store]: treesize reduction 116, result has 35.9 percent of original size [2021-07-13 19:57:18,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2021-07-13 19:57:18,705 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:57:18,721 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:57:18,722 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:57:18,722 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:82, output treesize:88 [2021-07-13 19:57:18,857 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-07-13 19:57:18,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 19:57:18,858 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:57:18,872 INFO L354 Elim1Store]: treesize reduction 21, result has 16.0 percent of original size [2021-07-13 19:57:18,872 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 [2021-07-13 19:57:18,873 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 19:57:18,884 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-07-13 19:57:18,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 19:57:18,885 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 19:57:18,894 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-07-13 19:57:18,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 19:57:18,896 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 19:57:18,909 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-07-13 19:57:18,910 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 [2021-07-13 19:57:18,911 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 19:57:18,921 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-07-13 19:57:18,921 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 [2021-07-13 19:57:18,924 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 19:57:18,932 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-07-13 19:57:18,933 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 50 treesize of output 24 [2021-07-13 19:57:18,934 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-13 19:57:18,940 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-07-13 19:57:18,940 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 [2021-07-13 19:57:18,941 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-13 19:57:18,949 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-07-13 19:57:18,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 19:57:18,951 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-13 19:57:18,954 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-07-13 19:57:18,954 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 [2021-07-13 19:57:18,956 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-13 19:57:18,957 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:57:18,957 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:57:18,957 INFO L247 ElimStorePlain]: Needed 11 recursive calls to eliminate 2 variables, input treesize:431, output treesize:3 [2021-07-13 19:57:18,967 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:57:18,967 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [275309248] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:18,967 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:57:18,967 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 14 [2021-07-13 19:57:18,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093076532] [2021-07-13 19:57:18,967 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-13 19:57:18,967 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:57:18,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-13 19:57:18,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-07-13 19:57:18,968 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) [2021-07-13 19:57:19,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:57:19,084 INFO L93 Difference]: Finished difference Result 3125 states and 7770 transitions. [2021-07-13 19:57:19,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 19:57:19,084 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 [2021-07-13 19:57:19,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:57:19,088 INFO L225 Difference]: With dead ends: 3125 [2021-07-13 19:57:19,088 INFO L226 Difference]: Without dead ends: 3109 [2021-07-13 19:57:19,089 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 181.0ms TimeCoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-07-13 19:57:19,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3109 states. [2021-07-13 19:57:19,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3109 to 2831. [2021-07-13 19:57:19,121 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) [2021-07-13 19:57:19,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2831 states to 2831 states and 7230 transitions. [2021-07-13 19:57:19,127 INFO L78 Accepts]: Start accepts. Automaton has 2831 states and 7230 transitions. Word has length 30 [2021-07-13 19:57:19,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:57:19,127 INFO L482 AbstractCegarLoop]: Abstraction has 2831 states and 7230 transitions. [2021-07-13 19:57:19,128 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) [2021-07-13 19:57:19,128 INFO L276 IsEmpty]: Start isEmpty. Operand 2831 states and 7230 transitions. [2021-07-13 19:57:19,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-07-13 19:57:19,131 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:57:19,131 INFO L508 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:57:19,344 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:57:19,344 INFO L430 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:57:19,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:57:19,345 INFO L82 PathProgramCache]: Analyzing trace with hash 1458216244, now seen corresponding path program 48 times [2021-07-13 19:57:19,345 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:57:19,345 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648712834] [2021-07-13 19:57:19,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:57:19,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:57:19,374 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-13 19:57:19,375 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:57:19,375 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648712834] [2021-07-13 19:57:19,375 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648712834] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:19,375 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [837304319] [2021-07-13 19:57:19,375 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 [2021-07-13 19:57:19,407 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-07-13 19:57:19,407 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:57:19,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 33 conjunts are in the unsatisfiable core [2021-07-13 19:57:19,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:57:19,575 INFO L446 ElimStorePlain]: Different costs {10=[f], 15=[f_inv]} [2021-07-13 19:57:19,611 INFO L354 Elim1Store]: treesize reduction 45, result has 44.4 percent of original size [2021-07-13 19:57:19,611 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 [2021-07-13 19:57:19,690 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 19:57:19,726 INFO L628 ElimStorePlain]: treesize reduction 11, result has 91.0 percent of original size [2021-07-13 19:57:19,748 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:57:19,748 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 [2021-07-13 19:57:19,792 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 19:57:19,793 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:57:19,794 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:57:19,794 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:123, output treesize:3 [2021-07-13 19:57:19,803 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:57:19,803 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [837304319] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:19,803 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:57:19,803 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 14 [2021-07-13 19:57:19,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659025893] [2021-07-13 19:57:19,804 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-13 19:57:19,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:57:19,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-13 19:57:19,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-07-13 19:57:19,805 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) [2021-07-13 19:57:19,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:57:19,923 INFO L93 Difference]: Finished difference Result 3299 states and 8293 transitions. [2021-07-13 19:57:19,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 19:57:19,923 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 [2021-07-13 19:57:19,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:57:19,929 INFO L225 Difference]: With dead ends: 3299 [2021-07-13 19:57:19,929 INFO L226 Difference]: Without dead ends: 3281 [2021-07-13 19:57:19,929 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 120.0ms TimeCoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-07-13 19:57:19,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3281 states. [2021-07-13 19:57:19,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3281 to 3017. [2021-07-13 19:57:19,983 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) [2021-07-13 19:57:19,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3017 states to 3017 states and 7754 transitions. [2021-07-13 19:57:19,989 INFO L78 Accepts]: Start accepts. Automaton has 3017 states and 7754 transitions. Word has length 30 [2021-07-13 19:57:19,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:57:19,989 INFO L482 AbstractCegarLoop]: Abstraction has 3017 states and 7754 transitions. [2021-07-13 19:57:19,989 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) [2021-07-13 19:57:19,989 INFO L276 IsEmpty]: Start isEmpty. Operand 3017 states and 7754 transitions. [2021-07-13 19:57:19,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-07-13 19:57:19,993 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:57:19,993 INFO L508 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:57:20,216 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable112 [2021-07-13 19:57:20,216 INFO L430 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:57:20,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:57:20,216 INFO L82 PathProgramCache]: Analyzing trace with hash -759717580, now seen corresponding path program 49 times [2021-07-13 19:57:20,216 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:57:20,216 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865123802] [2021-07-13 19:57:20,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:57:20,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:57:20,250 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-13 19:57:20,250 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:57:20,250 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865123802] [2021-07-13 19:57:20,250 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865123802] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:20,250 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [720378642] [2021-07-13 19:57:20,250 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) Waiting until toolchain timeout for monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:57:20,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:57:20,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-13 19:57:20,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:57:20,402 INFO L354 Elim1Store]: treesize reduction 16, result has 70.9 percent of original size [2021-07-13 19:57:20,402 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 [2021-07-13 19:57:20,405 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:57:20,421 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:57:20,422 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:57:20,422 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:78, output treesize:66 [2021-07-13 19:57:20,699 INFO L446 ElimStorePlain]: Different costs {3=[f], 6=[v_prenex_32, v_prenex_31]} [2021-07-13 19:57:20,725 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:57:20,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 37 [2021-07-13 19:57:20,727 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:57:20,733 INFO L628 ElimStorePlain]: treesize reduction 89, result has 3.3 percent of original size [2021-07-13 19:57:20,733 INFO L518 ElimStorePlain]: Eliminatee v_prenex_32 vanished before elimination [2021-07-13 19:57:20,734 INFO L518 ElimStorePlain]: Eliminatee v_prenex_31 vanished before elimination [2021-07-13 19:57:20,734 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:57:20,734 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:108, output treesize:3 [2021-07-13 19:57:20,743 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:57:20,743 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [720378642] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:20,743 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:57:20,744 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 14 [2021-07-13 19:57:20,744 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912273485] [2021-07-13 19:57:20,745 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-13 19:57:20,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:57:20,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-13 19:57:20,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-07-13 19:57:20,745 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) [2021-07-13 19:57:20,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:57:20,897 INFO L93 Difference]: Finished difference Result 3711 states and 9322 transitions. [2021-07-13 19:57:20,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 19:57:20,897 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 [2021-07-13 19:57:20,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:57:20,902 INFO L225 Difference]: With dead ends: 3711 [2021-07-13 19:57:20,902 INFO L226 Difference]: Without dead ends: 3682 [2021-07-13 19:57:20,903 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 237.5ms TimeCoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-07-13 19:57:20,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3682 states. [2021-07-13 19:57:20,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3682 to 3254. [2021-07-13 19:57:20,950 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) [2021-07-13 19:57:20,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3254 states to 3254 states and 8410 transitions. [2021-07-13 19:57:20,956 INFO L78 Accepts]: Start accepts. Automaton has 3254 states and 8410 transitions. Word has length 30 [2021-07-13 19:57:20,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:57:20,956 INFO L482 AbstractCegarLoop]: Abstraction has 3254 states and 8410 transitions. [2021-07-13 19:57:20,956 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) [2021-07-13 19:57:20,956 INFO L276 IsEmpty]: Start isEmpty. Operand 3254 states and 8410 transitions. [2021-07-13 19:57:20,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-07-13 19:57:20,959 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:57:20,959 INFO L508 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:57:21,160 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable144 [2021-07-13 19:57:21,160 INFO L430 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:57:21,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:57:21,160 INFO L82 PathProgramCache]: Analyzing trace with hash -1890343628, now seen corresponding path program 50 times [2021-07-13 19:57:21,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:57:21,160 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704661049] [2021-07-13 19:57:21,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:57:21,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:57:21,192 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-13 19:57:21,192 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:57:21,193 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704661049] [2021-07-13 19:57:21,193 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704661049] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:21,193 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [815265294] [2021-07-13 19:57:21,193 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 [2021-07-13 19:57:21,233 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 19:57:21,233 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:57:21,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-13 19:57:21,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:57:21,365 INFO L354 Elim1Store]: treesize reduction 16, result has 67.3 percent of original size [2021-07-13 19:57:21,365 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 [2021-07-13 19:57:21,367 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:57:21,381 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:57:21,382 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:57:21,382 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:64, output treesize:92 [2021-07-13 19:57:21,813 INFO L354 Elim1Store]: treesize reduction 46, result has 6.1 percent of original size [2021-07-13 19:57:21,814 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 [2021-07-13 19:57:21,815 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:57:21,869 INFO L628 ElimStorePlain]: treesize reduction 51, result has 72.6 percent of original size [2021-07-13 19:57:21,885 INFO L354 Elim1Store]: treesize reduction 42, result has 14.3 percent of original size [2021-07-13 19:57:21,887 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 [2021-07-13 19:57:21,888 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 19:57:21,911 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:57:21,937 INFO L354 Elim1Store]: treesize reduction 24, result has 51.0 percent of original size [2021-07-13 19:57:21,938 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 [2021-07-13 19:57:21,940 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 19:57:21,946 INFO L628 ElimStorePlain]: treesize reduction 59, result has 4.8 percent of original size [2021-07-13 19:57:21,946 INFO L518 ElimStorePlain]: Eliminatee v_prenex_39 vanished before elimination [2021-07-13 19:57:21,946 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:57:21,946 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 8 variables, input treesize:242, output treesize:3 [2021-07-13 19:57:21,955 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-13 19:57:21,955 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [815265294] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:21,955 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:57:21,955 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 14 [2021-07-13 19:57:21,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060779048] [2021-07-13 19:57:21,955 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-13 19:57:21,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:57:21,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-13 19:57:21,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-07-13 19:57:21,956 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) [2021-07-13 19:57:22,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:57:22,095 INFO L93 Difference]: Finished difference Result 3930 states and 9906 transitions. [2021-07-13 19:57:22,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-13 19:57:22,096 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 [2021-07-13 19:57:22,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:57:22,113 INFO L225 Difference]: With dead ends: 3930 [2021-07-13 19:57:22,113 INFO L226 Difference]: Without dead ends: 3923 [2021-07-13 19:57:22,114 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 258.8ms TimeCoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-07-13 19:57:22,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3923 states. [2021-07-13 19:57:22,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3923 to 3481. [2021-07-13 19:57:22,160 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) [2021-07-13 19:57:22,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3481 states to 3481 states and 9040 transitions. [2021-07-13 19:57:22,169 INFO L78 Accepts]: Start accepts. Automaton has 3481 states and 9040 transitions. Word has length 30 [2021-07-13 19:57:22,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:57:22,169 INFO L482 AbstractCegarLoop]: Abstraction has 3481 states and 9040 transitions. [2021-07-13 19:57:22,169 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) [2021-07-13 19:57:22,169 INFO L276 IsEmpty]: Start isEmpty. Operand 3481 states and 9040 transitions. [2021-07-13 19:57:22,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-07-13 19:57:22,174 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:57:22,174 INFO L508 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:57:22,392 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154,51 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:57:22,393 INFO L430 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:57:22,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:57:22,393 INFO L82 PathProgramCache]: Analyzing trace with hash 1501992374, now seen corresponding path program 51 times [2021-07-13 19:57:22,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:57:22,393 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800155004] [2021-07-13 19:57:22,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:57:22,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:57:22,499 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:57:22,499 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:57:22,499 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800155004] [2021-07-13 19:57:22,499 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800155004] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:22,499 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1814404635] [2021-07-13 19:57:22,500 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 [2021-07-13 19:57:22,525 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-07-13 19:57:22,526 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:57:22,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-13 19:57:22,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:57:22,730 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:57:22,730 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1814404635] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:22,731 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:57:22,731 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 25 [2021-07-13 19:57:22,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482398506] [2021-07-13 19:57:22,731 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-13 19:57:22,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:57:22,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-13 19:57:22,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=519, Unknown=0, NotChecked=0, Total=650 [2021-07-13 19:57:22,732 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) [2021-07-13 19:57:23,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:57:23,812 INFO L93 Difference]: Finished difference Result 4394 states and 10868 transitions. [2021-07-13 19:57:23,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-13 19:57:23,813 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 [2021-07-13 19:57:23,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:57:23,820 INFO L225 Difference]: With dead ends: 4394 [2021-07-13 19:57:23,820 INFO L226 Difference]: Without dead ends: 4394 [2021-07-13 19:57:23,821 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1271 ImplicationChecksByTransitivity, 953.9ms TimeCoverageRelationStatistics Valid=1299, Invalid=3671, Unknown=0, NotChecked=0, Total=4970 [2021-07-13 19:57:23,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4394 states. [2021-07-13 19:57:23,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4394 to 3164. [2021-07-13 19:57:23,877 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) [2021-07-13 19:57:23,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3164 states to 3164 states and 8180 transitions. [2021-07-13 19:57:23,884 INFO L78 Accepts]: Start accepts. Automaton has 3164 states and 8180 transitions. Word has length 32 [2021-07-13 19:57:23,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:57:23,884 INFO L482 AbstractCegarLoop]: Abstraction has 3164 states and 8180 transitions. [2021-07-13 19:57:23,884 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) [2021-07-13 19:57:23,884 INFO L276 IsEmpty]: Start isEmpty. Operand 3164 states and 8180 transitions. [2021-07-13 19:57:23,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-07-13 19:57:23,888 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:57:23,888 INFO L508 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:57:24,088 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable169 [2021-07-13 19:57:24,088 INFO L430 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:57:24,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:57:24,089 INFO L82 PathProgramCache]: Analyzing trace with hash 783257330, now seen corresponding path program 52 times [2021-07-13 19:57:24,089 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:57:24,089 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165892228] [2021-07-13 19:57:24,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:57:24,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:57:24,211 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:57:24,212 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:57:24,212 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165892228] [2021-07-13 19:57:24,212 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165892228] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:24,212 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [859839194] [2021-07-13 19:57:24,212 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 [2021-07-13 19:57:24,270 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 19:57:24,270 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:57:24,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-13 19:57:24,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:57:24,486 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:57:24,486 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [859839194] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:24,486 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:57:24,486 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-07-13 19:57:24,486 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138927263] [2021-07-13 19:57:24,486 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-13 19:57:24,486 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:57:24,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-13 19:57:24,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=492, Unknown=0, NotChecked=0, Total=600 [2021-07-13 19:57:24,487 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) [2021-07-13 19:57:26,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:57:26,034 INFO L93 Difference]: Finished difference Result 5243 states and 12644 transitions. [2021-07-13 19:57:26,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-07-13 19:57:26,035 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 [2021-07-13 19:57:26,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:57:26,041 INFO L225 Difference]: With dead ends: 5243 [2021-07-13 19:57:26,041 INFO L226 Difference]: Without dead ends: 5139 [2021-07-13 19:57:26,042 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2425 ImplicationChecksByTransitivity, 1466.5ms TimeCoverageRelationStatistics Valid=1756, Invalid=6076, Unknown=0, NotChecked=0, Total=7832 [2021-07-13 19:57:26,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5139 states. [2021-07-13 19:57:26,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5139 to 3339. [2021-07-13 19:57:26,097 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) [2021-07-13 19:57:26,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3339 states to 3339 states and 8619 transitions. [2021-07-13 19:57:26,102 INFO L78 Accepts]: Start accepts. Automaton has 3339 states and 8619 transitions. Word has length 32 [2021-07-13 19:57:26,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:57:26,103 INFO L482 AbstractCegarLoop]: Abstraction has 3339 states and 8619 transitions. [2021-07-13 19:57:26,103 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) [2021-07-13 19:57:26,103 INFO L276 IsEmpty]: Start isEmpty. Operand 3339 states and 8619 transitions. [2021-07-13 19:57:26,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-07-13 19:57:26,106 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:57:26,106 INFO L508 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:57:26,321 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable170,53 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:57:26,321 INFO L430 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:57:26,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:57:26,322 INFO L82 PathProgramCache]: Analyzing trace with hash 325676430, now seen corresponding path program 53 times [2021-07-13 19:57:26,322 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:57:26,322 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351370682] [2021-07-13 19:57:26,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:57:26,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:57:26,402 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:57:26,403 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:57:26,403 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351370682] [2021-07-13 19:57:26,403 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351370682] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:26,403 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [842921694] [2021-07-13 19:57:26,403 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 [2021-07-13 19:57:26,470 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-13 19:57:26,471 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:57:26,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-13 19:57:26,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:57:26,663 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:57:26,663 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [842921694] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:26,663 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:57:26,663 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 13] total 20 [2021-07-13 19:57:26,664 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304756352] [2021-07-13 19:57:26,664 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-13 19:57:26,664 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:57:26,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-13 19:57:26,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=344, Unknown=0, NotChecked=0, Total=420 [2021-07-13 19:57:26,664 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) [2021-07-13 19:57:27,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:57:27,971 INFO L93 Difference]: Finished difference Result 6359 states and 15875 transitions. [2021-07-13 19:57:27,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-13 19:57:27,971 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 [2021-07-13 19:57:27,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:57:27,980 INFO L225 Difference]: With dead ends: 6359 [2021-07-13 19:57:27,981 INFO L226 Difference]: Without dead ends: 6347 [2021-07-13 19:57:27,981 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1905 ImplicationChecksByTransitivity, 1159.7ms TimeCoverageRelationStatistics Valid=1604, Invalid=4248, Unknown=0, NotChecked=0, Total=5852 [2021-07-13 19:57:27,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6347 states. [2021-07-13 19:57:28,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6347 to 4305. [2021-07-13 19:57:28,060 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) [2021-07-13 19:57:28,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4305 states to 4305 states and 11113 transitions. [2021-07-13 19:57:28,067 INFO L78 Accepts]: Start accepts. Automaton has 4305 states and 11113 transitions. Word has length 32 [2021-07-13 19:57:28,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:57:28,067 INFO L482 AbstractCegarLoop]: Abstraction has 4305 states and 11113 transitions. [2021-07-13 19:57:28,067 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) [2021-07-13 19:57:28,067 INFO L276 IsEmpty]: Start isEmpty. Operand 4305 states and 11113 transitions. [2021-07-13 19:57:28,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-07-13 19:57:28,072 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:57:28,072 INFO L508 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:57:28,272 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable171 [2021-07-13 19:57:28,272 INFO L430 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:57:28,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:57:28,273 INFO L82 PathProgramCache]: Analyzing trace with hash -1058221652, now seen corresponding path program 54 times [2021-07-13 19:57:28,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:57:28,273 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24527520] [2021-07-13 19:57:28,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:57:28,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:57:28,332 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 21 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:57:28,332 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:57:28,332 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24527520] [2021-07-13 19:57:28,332 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24527520] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:28,333 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450524333] [2021-07-13 19:57:28,333 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 [2021-07-13 19:57:28,358 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-07-13 19:57:28,359 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:57:28,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-13 19:57:28,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:57:28,557 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 21 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:57:28,557 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1450524333] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:28,557 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:57:28,557 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 13] total 20 [2021-07-13 19:57:28,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752477722] [2021-07-13 19:57:28,557 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-13 19:57:28,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:57:28,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-13 19:57:28,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2021-07-13 19:57:28,558 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) [2021-07-13 19:57:29,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:57:29,537 INFO L93 Difference]: Finished difference Result 4664 states and 11802 transitions. [2021-07-13 19:57:29,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-13 19:57:29,537 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 [2021-07-13 19:57:29,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:57:29,544 INFO L225 Difference]: With dead ends: 4664 [2021-07-13 19:57:29,544 INFO L226 Difference]: Without dead ends: 4660 [2021-07-13 19:57:29,545 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1283 ImplicationChecksByTransitivity, 912.3ms TimeCoverageRelationStatistics Valid=1088, Invalid=3334, Unknown=0, NotChecked=0, Total=4422 [2021-07-13 19:57:29,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4660 states. [2021-07-13 19:57:29,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4660 to 4305. [2021-07-13 19:57:29,597 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) [2021-07-13 19:57:29,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4305 states to 4305 states and 11109 transitions. [2021-07-13 19:57:29,605 INFO L78 Accepts]: Start accepts. Automaton has 4305 states and 11109 transitions. Word has length 32 [2021-07-13 19:57:29,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:57:29,605 INFO L482 AbstractCegarLoop]: Abstraction has 4305 states and 11109 transitions. [2021-07-13 19:57:29,605 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) [2021-07-13 19:57:29,605 INFO L276 IsEmpty]: Start isEmpty. Operand 4305 states and 11109 transitions. [2021-07-13 19:57:29,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-07-13 19:57:29,609 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:57:29,609 INFO L508 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:57:29,810 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 55 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable172 [2021-07-13 19:57:29,810 INFO L430 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:57:29,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:57:29,810 INFO L82 PathProgramCache]: Analyzing trace with hash -1813615886, now seen corresponding path program 55 times [2021-07-13 19:57:29,810 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:57:29,810 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121723228] [2021-07-13 19:57:29,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:57:29,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:57:29,911 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 27 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:57:29,912 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:57:29,912 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121723228] [2021-07-13 19:57:29,912 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121723228] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:29,912 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [273189731] [2021-07-13 19:57:29,912 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 [2021-07-13 19:57:29,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:57:29,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-13 19:57:29,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:57:30,145 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 21 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:57:30,146 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [273189731] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:30,146 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:57:30,146 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 13] total 20 [2021-07-13 19:57:30,146 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130688814] [2021-07-13 19:57:30,146 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-13 19:57:30,146 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:57:30,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-13 19:57:30,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=343, Unknown=0, NotChecked=0, Total=420 [2021-07-13 19:57:30,147 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) [2021-07-13 19:57:30,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:57:30,961 INFO L93 Difference]: Finished difference Result 5836 states and 14714 transitions. [2021-07-13 19:57:30,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-13 19:57:30,962 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 [2021-07-13 19:57:30,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:57:30,969 INFO L225 Difference]: With dead ends: 5836 [2021-07-13 19:57:30,969 INFO L226 Difference]: Without dead ends: 5818 [2021-07-13 19:57:30,970 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 813 ImplicationChecksByTransitivity, 730.8ms TimeCoverageRelationStatistics Valid=721, Invalid=2249, Unknown=0, NotChecked=0, Total=2970 [2021-07-13 19:57:30,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5818 states. [2021-07-13 19:57:31,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5818 to 4428. [2021-07-13 19:57:31,059 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) [2021-07-13 19:57:31,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4428 states to 4428 states and 11465 transitions. [2021-07-13 19:57:31,066 INFO L78 Accepts]: Start accepts. Automaton has 4428 states and 11465 transitions. Word has length 32 [2021-07-13 19:57:31,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:57:31,066 INFO L482 AbstractCegarLoop]: Abstraction has 4428 states and 11465 transitions. [2021-07-13 19:57:31,066 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) [2021-07-13 19:57:31,067 INFO L276 IsEmpty]: Start isEmpty. Operand 4428 states and 11465 transitions. [2021-07-13 19:57:31,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-07-13 19:57:31,071 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:57:31,071 INFO L508 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:57:31,284 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable173,56 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:57:31,285 INFO L430 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:57:31,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:57:31,285 INFO L82 PathProgramCache]: Analyzing trace with hash -673820798, now seen corresponding path program 56 times [2021-07-13 19:57:31,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:57:31,285 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622946644] [2021-07-13 19:57:31,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:57:31,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:57:31,357 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:57:31,357 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:57:31,357 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622946644] [2021-07-13 19:57:31,357 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622946644] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:31,357 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [104423249] [2021-07-13 19:57:31,357 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 [2021-07-13 19:57:31,393 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 19:57:31,393 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:57:31,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-13 19:57:31,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:57:31,601 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:57:31,601 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [104423249] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:31,601 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:57:31,601 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13] total 21 [2021-07-13 19:57:31,601 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529287837] [2021-07-13 19:57:31,601 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-13 19:57:31,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:57:31,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-13 19:57:31,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=363, Unknown=0, NotChecked=0, Total=462 [2021-07-13 19:57:31,602 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) [2021-07-13 19:57:32,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:57:32,639 INFO L93 Difference]: Finished difference Result 5254 states and 13180 transitions. [2021-07-13 19:57:32,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-13 19:57:32,640 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 [2021-07-13 19:57:32,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:57:32,647 INFO L225 Difference]: With dead ends: 5254 [2021-07-13 19:57:32,647 INFO L226 Difference]: Without dead ends: 5238 [2021-07-13 19:57:32,651 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1414 ImplicationChecksByTransitivity, 927.7ms TimeCoverageRelationStatistics Valid=1130, Invalid=3562, Unknown=0, NotChecked=0, Total=4692 [2021-07-13 19:57:32,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5238 states. [2021-07-13 19:57:32,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5238 to 4516. [2021-07-13 19:57:32,729 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) [2021-07-13 19:57:32,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4516 states to 4516 states and 11702 transitions. [2021-07-13 19:57:32,739 INFO L78 Accepts]: Start accepts. Automaton has 4516 states and 11702 transitions. Word has length 32 [2021-07-13 19:57:32,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:57:32,739 INFO L482 AbstractCegarLoop]: Abstraction has 4516 states and 11702 transitions. [2021-07-13 19:57:32,739 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) [2021-07-13 19:57:32,739 INFO L276 IsEmpty]: Start isEmpty. Operand 4516 states and 11702 transitions. [2021-07-13 19:57:32,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-07-13 19:57:32,743 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:57:32,744 INFO L508 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:57:32,948 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable174,57 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:57:32,949 INFO L430 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:57:32,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:57:32,949 INFO L82 PathProgramCache]: Analyzing trace with hash 1175991294, now seen corresponding path program 57 times [2021-07-13 19:57:32,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:57:32,949 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262202706] [2021-07-13 19:57:32,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:57:32,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:57:33,016 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:57:33,016 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:57:33,016 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262202706] [2021-07-13 19:57:33,016 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262202706] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:33,016 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [983286413] [2021-07-13 19:57:33,016 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 [2021-07-13 19:57:33,047 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-07-13 19:57:33,048 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:57:33,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-13 19:57:33,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:57:33,278 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:57:33,278 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [983286413] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:33,278 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:57:33,278 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13] total 22 [2021-07-13 19:57:33,278 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184043204] [2021-07-13 19:57:33,278 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-13 19:57:33,278 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:57:33,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-13 19:57:33,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=405, Unknown=0, NotChecked=0, Total=506 [2021-07-13 19:57:33,279 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) [2021-07-13 19:57:34,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:57:34,323 INFO L93 Difference]: Finished difference Result 5594 states and 13918 transitions. [2021-07-13 19:57:34,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-13 19:57:34,323 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 [2021-07-13 19:57:34,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:57:34,331 INFO L225 Difference]: With dead ends: 5594 [2021-07-13 19:57:34,331 INFO L226 Difference]: Without dead ends: 5566 [2021-07-13 19:57:34,332 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1574 ImplicationChecksByTransitivity, 947.1ms TimeCoverageRelationStatistics Valid=1183, Invalid=3787, Unknown=0, NotChecked=0, Total=4970 [2021-07-13 19:57:34,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5566 states. [2021-07-13 19:57:34,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5566 to 4347. [2021-07-13 19:57:34,390 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) [2021-07-13 19:57:34,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4347 states to 4347 states and 11250 transitions. [2021-07-13 19:57:34,398 INFO L78 Accepts]: Start accepts. Automaton has 4347 states and 11250 transitions. Word has length 32 [2021-07-13 19:57:34,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:57:34,398 INFO L482 AbstractCegarLoop]: Abstraction has 4347 states and 11250 transitions. [2021-07-13 19:57:34,398 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) [2021-07-13 19:57:34,398 INFO L276 IsEmpty]: Start isEmpty. Operand 4347 states and 11250 transitions. [2021-07-13 19:57:34,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-07-13 19:57:34,403 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:57:34,403 INFO L508 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:57:34,603 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable175,58 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:57:34,604 INFO L430 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:57:34,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:57:34,604 INFO L82 PathProgramCache]: Analyzing trace with hash 728951162, now seen corresponding path program 58 times [2021-07-13 19:57:34,604 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:57:34,604 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039465631] [2021-07-13 19:57:34,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:57:34,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:57:34,686 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:57:34,687 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:57:34,687 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039465631] [2021-07-13 19:57:34,687 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039465631] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:34,687 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [923247332] [2021-07-13 19:57:34,687 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 [2021-07-13 19:57:34,717 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 19:57:34,717 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:57:34,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-13 19:57:34,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:57:34,928 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:57:34,928 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [923247332] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:34,928 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:57:34,929 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 23 [2021-07-13 19:57:34,929 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120346109] [2021-07-13 19:57:34,929 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-13 19:57:34,929 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:57:34,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-13 19:57:34,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=445, Unknown=0, NotChecked=0, Total=552 [2021-07-13 19:57:34,930 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) [2021-07-13 19:57:36,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:57:36,111 INFO L93 Difference]: Finished difference Result 5720 states and 14080 transitions. [2021-07-13 19:57:36,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-13 19:57:36,111 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 [2021-07-13 19:57:36,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:57:36,119 INFO L225 Difference]: With dead ends: 5720 [2021-07-13 19:57:36,119 INFO L226 Difference]: Without dead ends: 5686 [2021-07-13 19:57:36,120 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1700 ImplicationChecksByTransitivity, 1056.1ms TimeCoverageRelationStatistics Valid=1246, Invalid=4010, Unknown=0, NotChecked=0, Total=5256 [2021-07-13 19:57:36,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5686 states. [2021-07-13 19:57:36,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5686 to 3872. [2021-07-13 19:57:36,194 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) [2021-07-13 19:57:36,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3872 states to 3872 states and 9984 transitions. [2021-07-13 19:57:36,202 INFO L78 Accepts]: Start accepts. Automaton has 3872 states and 9984 transitions. Word has length 32 [2021-07-13 19:57:36,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:57:36,202 INFO L482 AbstractCegarLoop]: Abstraction has 3872 states and 9984 transitions. [2021-07-13 19:57:36,202 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) [2021-07-13 19:57:36,202 INFO L276 IsEmpty]: Start isEmpty. Operand 3872 states and 9984 transitions. [2021-07-13 19:57:36,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-07-13 19:57:36,206 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:57:36,206 INFO L508 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:57:36,417 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable176 [2021-07-13 19:57:36,417 INFO L430 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:57:36,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:57:36,418 INFO L82 PathProgramCache]: Analyzing trace with hash -1717407562, now seen corresponding path program 59 times [2021-07-13 19:57:36,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:57:36,418 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384046995] [2021-07-13 19:57:36,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:57:36,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:57:36,512 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:57:36,513 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:57:36,513 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384046995] [2021-07-13 19:57:36,513 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384046995] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:36,513 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1919004430] [2021-07-13 19:57:36,513 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 [2021-07-13 19:57:36,551 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-13 19:57:36,551 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:57:36,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-13 19:57:36,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:57:36,776 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 12 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:57:36,776 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1919004430] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:36,776 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:57:36,776 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-07-13 19:57:36,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494558943] [2021-07-13 19:57:36,776 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-13 19:57:36,776 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:57:36,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-13 19:57:36,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=488, Unknown=0, NotChecked=0, Total=600 [2021-07-13 19:57:36,777 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) [2021-07-13 19:57:37,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:57:37,840 INFO L93 Difference]: Finished difference Result 5197 states and 12616 transitions. [2021-07-13 19:57:37,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-13 19:57:37,841 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 [2021-07-13 19:57:37,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:57:37,847 INFO L225 Difference]: With dead ends: 5197 [2021-07-13 19:57:37,848 INFO L226 Difference]: Without dead ends: 5197 [2021-07-13 19:57:37,848 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1355 ImplicationChecksByTransitivity, 974.1ms TimeCoverageRelationStatistics Valid=1262, Invalid=3708, Unknown=0, NotChecked=0, Total=4970 [2021-07-13 19:57:37,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5197 states. [2021-07-13 19:57:37,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5197 to 3402. [2021-07-13 19:57:37,913 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) [2021-07-13 19:57:37,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3402 states to 3402 states and 8718 transitions. [2021-07-13 19:57:37,920 INFO L78 Accepts]: Start accepts. Automaton has 3402 states and 8718 transitions. Word has length 32 [2021-07-13 19:57:37,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:57:37,920 INFO L482 AbstractCegarLoop]: Abstraction has 3402 states and 8718 transitions. [2021-07-13 19:57:37,920 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) [2021-07-13 19:57:37,920 INFO L276 IsEmpty]: Start isEmpty. Operand 3402 states and 8718 transitions. [2021-07-13 19:57:37,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-07-13 19:57:37,924 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:57:37,924 INFO L508 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:57:38,124 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 60 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable177 [2021-07-13 19:57:38,124 INFO L430 AbstractCegarLoop]: === Iteration 65 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:57:38,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:57:38,125 INFO L82 PathProgramCache]: Analyzing trace with hash 1240500466, now seen corresponding path program 60 times [2021-07-13 19:57:38,125 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:57:38,125 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200981066] [2021-07-13 19:57:38,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:57:38,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:57:38,231 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:57:38,231 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:57:38,231 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200981066] [2021-07-13 19:57:38,231 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200981066] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:38,231 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1219500451] [2021-07-13 19:57:38,231 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 [2021-07-13 19:57:38,273 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-13 19:57:38,273 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:57:38,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-13 19:57:38,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:57:38,499 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:57:38,500 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1219500451] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:38,500 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:57:38,500 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 23 [2021-07-13 19:57:38,500 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698108441] [2021-07-13 19:57:38,500 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-13 19:57:38,500 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:57:38,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-13 19:57:38,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=453, Unknown=0, NotChecked=0, Total=552 [2021-07-13 19:57:38,501 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) [2021-07-13 19:57:39,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:57:39,586 INFO L93 Difference]: Finished difference Result 4252 states and 10318 transitions. [2021-07-13 19:57:39,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-07-13 19:57:39,587 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 [2021-07-13 19:57:39,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:57:39,593 INFO L225 Difference]: With dead ends: 4252 [2021-07-13 19:57:39,593 INFO L226 Difference]: Without dead ends: 4186 [2021-07-13 19:57:39,593 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1720 ImplicationChecksByTransitivity, 1034.9ms TimeCoverageRelationStatistics Valid=1147, Invalid=4109, Unknown=0, NotChecked=0, Total=5256 [2021-07-13 19:57:39,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4186 states. [2021-07-13 19:57:39,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4186 to 3264. [2021-07-13 19:57:39,653 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) [2021-07-13 19:57:39,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3264 states to 3264 states and 8316 transitions. [2021-07-13 19:57:39,658 INFO L78 Accepts]: Start accepts. Automaton has 3264 states and 8316 transitions. Word has length 32 [2021-07-13 19:57:39,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:57:39,659 INFO L482 AbstractCegarLoop]: Abstraction has 3264 states and 8316 transitions. [2021-07-13 19:57:39,659 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) [2021-07-13 19:57:39,659 INFO L276 IsEmpty]: Start isEmpty. Operand 3264 states and 8316 transitions. [2021-07-13 19:57:39,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-07-13 19:57:39,662 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:57:39,662 INFO L508 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:57:39,862 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 61 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable178 [2021-07-13 19:57:39,862 INFO L430 AbstractCegarLoop]: === Iteration 66 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:57:39,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:57:39,863 INFO L82 PathProgramCache]: Analyzing trace with hash 1425607606, now seen corresponding path program 61 times [2021-07-13 19:57:39,863 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:57:39,863 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456050345] [2021-07-13 19:57:39,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:57:39,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:57:39,942 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 26 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:57:39,942 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:57:39,943 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456050345] [2021-07-13 19:57:39,943 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456050345] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:39,943 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [479563951] [2021-07-13 19:57:39,943 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 [2021-07-13 19:57:39,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:57:39,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-13 19:57:39,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:57:40,151 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 12 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:57:40,152 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [479563951] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:40,152 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:57:40,152 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 23 [2021-07-13 19:57:40,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171330130] [2021-07-13 19:57:40,152 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-13 19:57:40,152 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:57:40,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-13 19:57:40,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=452, Unknown=0, NotChecked=0, Total=552 [2021-07-13 19:57:40,152 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) [2021-07-13 19:57:41,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:57:41,337 INFO L93 Difference]: Finished difference Result 4881 states and 11710 transitions. [2021-07-13 19:57:41,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-13 19:57:41,338 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 [2021-07-13 19:57:41,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:57:41,344 INFO L225 Difference]: With dead ends: 4881 [2021-07-13 19:57:41,344 INFO L226 Difference]: Without dead ends: 4881 [2021-07-13 19:57:41,345 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1700 ImplicationChecksByTransitivity, 1030.6ms TimeCoverageRelationStatistics Valid=1473, Invalid=4077, Unknown=0, NotChecked=0, Total=5550 [2021-07-13 19:57:41,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4881 states. [2021-07-13 19:57:41,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4881 to 2860. [2021-07-13 19:57:41,401 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) [2021-07-13 19:57:41,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2860 states to 2860 states and 7200 transitions. [2021-07-13 19:57:41,405 INFO L78 Accepts]: Start accepts. Automaton has 2860 states and 7200 transitions. Word has length 32 [2021-07-13 19:57:41,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:57:41,405 INFO L482 AbstractCegarLoop]: Abstraction has 2860 states and 7200 transitions. [2021-07-13 19:57:41,406 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) [2021-07-13 19:57:41,406 INFO L276 IsEmpty]: Start isEmpty. Operand 2860 states and 7200 transitions. [2021-07-13 19:57:41,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-07-13 19:57:41,408 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:57:41,408 INFO L508 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:57:41,608 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 62 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable179 [2021-07-13 19:57:41,609 INFO L430 AbstractCegarLoop]: === Iteration 67 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:57:41,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:57:41,609 INFO L82 PathProgramCache]: Analyzing trace with hash 1428685554, now seen corresponding path program 62 times [2021-07-13 19:57:41,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:57:41,609 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033322324] [2021-07-13 19:57:41,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:57:41,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:57:41,679 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 24 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:57:41,679 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:57:41,680 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033322324] [2021-07-13 19:57:41,680 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033322324] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:41,680 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [939126508] [2021-07-13 19:57:41,680 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 [2021-07-13 19:57:41,704 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 19:57:41,704 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:57:41,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-13 19:57:41,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:57:41,896 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:57:41,896 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [939126508] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:41,896 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:57:41,896 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13] total 22 [2021-07-13 19:57:41,896 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897005416] [2021-07-13 19:57:41,897 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-13 19:57:41,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:57:41,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-13 19:57:41,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=412, Unknown=0, NotChecked=0, Total=506 [2021-07-13 19:57:41,897 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) [2021-07-13 19:57:42,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:57:42,881 INFO L93 Difference]: Finished difference Result 3661 states and 8825 transitions. [2021-07-13 19:57:42,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-13 19:57:42,881 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 [2021-07-13 19:57:42,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:57:42,886 INFO L225 Difference]: With dead ends: 3661 [2021-07-13 19:57:42,886 INFO L226 Difference]: Without dead ends: 3622 [2021-07-13 19:57:42,887 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1460 ImplicationChecksByTransitivity, 855.9ms TimeCoverageRelationStatistics Valid=968, Invalid=3454, Unknown=0, NotChecked=0, Total=4422 [2021-07-13 19:57:42,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3622 states. [2021-07-13 19:57:42,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3622 to 2809. [2021-07-13 19:57:42,926 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) [2021-07-13 19:57:42,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2809 states to 2809 states and 7043 transitions. [2021-07-13 19:57:42,931 INFO L78 Accepts]: Start accepts. Automaton has 2809 states and 7043 transitions. Word has length 32 [2021-07-13 19:57:42,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:57:42,931 INFO L482 AbstractCegarLoop]: Abstraction has 2809 states and 7043 transitions. [2021-07-13 19:57:42,931 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) [2021-07-13 19:57:42,931 INFO L276 IsEmpty]: Start isEmpty. Operand 2809 states and 7043 transitions. [2021-07-13 19:57:42,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-07-13 19:57:42,934 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:57:42,934 INFO L508 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:57:43,136 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable180,63 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:57:43,137 INFO L430 AbstractCegarLoop]: === Iteration 68 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:57:43,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:57:43,137 INFO L82 PathProgramCache]: Analyzing trace with hash -1690671434, now seen corresponding path program 63 times [2021-07-13 19:57:43,137 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:57:43,137 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32302636] [2021-07-13 19:57:43,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:57:43,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:57:43,237 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 13 proven. 27 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:57:43,237 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:57:43,237 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32302636] [2021-07-13 19:57:43,237 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32302636] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:43,237 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1268548685] [2021-07-13 19:57:43,238 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 [2021-07-13 19:57:43,264 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-07-13 19:57:43,265 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:57:43,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-13 19:57:43,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:57:43,511 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 12 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:57:43,512 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1268548685] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:43,512 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:57:43,512 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13] total 22 [2021-07-13 19:57:43,512 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167355355] [2021-07-13 19:57:43,512 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-13 19:57:43,512 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:57:43,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-13 19:57:43,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=414, Unknown=0, NotChecked=0, Total=506 [2021-07-13 19:57:43,512 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) [2021-07-13 19:57:44,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:57:44,795 INFO L93 Difference]: Finished difference Result 4911 states and 11694 transitions. [2021-07-13 19:57:44,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-13 19:57:44,796 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 [2021-07-13 19:57:44,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:57:44,802 INFO L225 Difference]: With dead ends: 4911 [2021-07-13 19:57:44,802 INFO L226 Difference]: Without dead ends: 4911 [2021-07-13 19:57:44,803 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2155 ImplicationChecksByTransitivity, 1173.9ms TimeCoverageRelationStatistics Valid=1768, Invalid=4552, Unknown=0, NotChecked=0, Total=6320 [2021-07-13 19:57:44,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4911 states. [2021-07-13 19:57:44,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4911 to 3307. [2021-07-13 19:57:44,859 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) [2021-07-13 19:57:44,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3307 states to 3307 states and 8203 transitions. [2021-07-13 19:57:44,865 INFO L78 Accepts]: Start accepts. Automaton has 3307 states and 8203 transitions. Word has length 32 [2021-07-13 19:57:44,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:57:44,865 INFO L482 AbstractCegarLoop]: Abstraction has 3307 states and 8203 transitions. [2021-07-13 19:57:44,865 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.4782608695652173) internal successors, (57), 22 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:57:44,865 INFO L276 IsEmpty]: Start isEmpty. Operand 3307 states and 8203 transitions. [2021-07-13 19:57:44,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-07-13 19:57:44,867 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:57:44,867 INFO L508 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:57:45,068 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable181,64 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:57:45,068 INFO L430 AbstractCegarLoop]: === Iteration 69 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:57:45,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:57:45,068 INFO L82 PathProgramCache]: Analyzing trace with hash -604635918, now seen corresponding path program 64 times [2021-07-13 19:57:45,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:57:45,069 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168626891] [2021-07-13 19:57:45,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:57:45,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:57:45,130 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:57:45,131 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:57:45,131 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168626891] [2021-07-13 19:57:45,131 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168626891] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:45,131 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [463367975] [2021-07-13 19:57:45,131 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 [2021-07-13 19:57:45,158 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 19:57:45,159 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:57:45,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-13 19:57:45,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:57:45,340 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:57:45,340 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [463367975] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:45,340 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:57:45,340 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13] total 21 [2021-07-13 19:57:45,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335383020] [2021-07-13 19:57:45,341 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-13 19:57:45,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:57:45,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-13 19:57:45,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=369, Unknown=0, NotChecked=0, Total=462 [2021-07-13 19:57:45,341 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) [2021-07-13 19:57:46,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:57:46,270 INFO L93 Difference]: Finished difference Result 3840 states and 9263 transitions. [2021-07-13 19:57:46,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-13 19:57:46,270 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 [2021-07-13 19:57:46,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:57:46,275 INFO L225 Difference]: With dead ends: 3840 [2021-07-13 19:57:46,276 INFO L226 Difference]: Without dead ends: 3822 [2021-07-13 19:57:46,276 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1269 ImplicationChecksByTransitivity, 781.2ms TimeCoverageRelationStatistics Valid=879, Invalid=3027, Unknown=0, NotChecked=0, Total=3906 [2021-07-13 19:57:46,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3822 states. [2021-07-13 19:57:46,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3822 to 3381. [2021-07-13 19:57:46,325 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) [2021-07-13 19:57:46,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3381 states to 3381 states and 8403 transitions. [2021-07-13 19:57:46,331 INFO L78 Accepts]: Start accepts. Automaton has 3381 states and 8403 transitions. Word has length 32 [2021-07-13 19:57:46,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:57:46,331 INFO L482 AbstractCegarLoop]: Abstraction has 3381 states and 8403 transitions. [2021-07-13 19:57:46,331 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) [2021-07-13 19:57:46,331 INFO L276 IsEmpty]: Start isEmpty. Operand 3381 states and 8403 transitions. [2021-07-13 19:57:46,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-07-13 19:57:46,334 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:57:46,334 INFO L508 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:57:46,535 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable182,65 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:57:46,535 INFO L430 AbstractCegarLoop]: === Iteration 70 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:57:46,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:57:46,535 INFO L82 PathProgramCache]: Analyzing trace with hash -1474920010, now seen corresponding path program 65 times [2021-07-13 19:57:46,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:57:46,536 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618123845] [2021-07-13 19:57:46,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:57:46,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:57:46,622 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 12 proven. 28 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:57:46,622 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:57:46,623 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618123845] [2021-07-13 19:57:46,623 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618123845] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:46,623 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [65101302] [2021-07-13 19:57:46,623 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) Waiting until toolchain timeout for monitored process 66 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:57:46,650 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-13 19:57:46,650 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:57:46,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-13 19:57:46,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:57:46,846 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 12 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:57:46,846 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [65101302] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:46,847 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:57:46,847 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13] total 21 [2021-07-13 19:57:46,847 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708139454] [2021-07-13 19:57:46,847 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-13 19:57:46,847 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:57:46,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-13 19:57:46,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=374, Unknown=0, NotChecked=0, Total=462 [2021-07-13 19:57:46,847 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) [2021-07-13 19:57:48,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:57:48,199 INFO L93 Difference]: Finished difference Result 6180 states and 15068 transitions. [2021-07-13 19:57:48,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-13 19:57:48,199 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 [2021-07-13 19:57:48,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:57:48,206 INFO L225 Difference]: With dead ends: 6180 [2021-07-13 19:57:48,206 INFO L226 Difference]: Without dead ends: 6180 [2021-07-13 19:57:48,206 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2540 ImplicationChecksByTransitivity, 1202.0ms TimeCoverageRelationStatistics Valid=2010, Invalid=4962, Unknown=0, NotChecked=0, Total=6972 [2021-07-13 19:57:48,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6180 states. [2021-07-13 19:57:48,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6180 to 5144. [2021-07-13 19:57:48,271 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) [2021-07-13 19:57:48,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5144 states to 5144 states and 12966 transitions. [2021-07-13 19:57:48,280 INFO L78 Accepts]: Start accepts. Automaton has 5144 states and 12966 transitions. Word has length 32 [2021-07-13 19:57:48,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:57:48,280 INFO L482 AbstractCegarLoop]: Abstraction has 5144 states and 12966 transitions. [2021-07-13 19:57:48,280 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) [2021-07-13 19:57:48,281 INFO L276 IsEmpty]: Start isEmpty. Operand 5144 states and 12966 transitions. [2021-07-13 19:57:48,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-07-13 19:57:48,285 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:57:48,285 INFO L508 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:57:48,486 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 66 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable183 [2021-07-13 19:57:48,486 INFO L430 AbstractCegarLoop]: === Iteration 71 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:57:48,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:57:48,487 INFO L82 PathProgramCache]: Analyzing trace with hash 874026652, now seen corresponding path program 66 times [2021-07-13 19:57:48,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:57:48,487 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954007079] [2021-07-13 19:57:48,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:57:48,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:57:48,594 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 21 proven. 19 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:57:48,594 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:57:48,595 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954007079] [2021-07-13 19:57:48,595 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954007079] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:48,595 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1755474724] [2021-07-13 19:57:48,595 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 [2021-07-13 19:57:48,620 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-13 19:57:48,620 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:57:48,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-13 19:57:48,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:57:48,798 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:57:48,798 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1755474724] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:48,798 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:57:48,798 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 13] total 20 [2021-07-13 19:57:48,798 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658281034] [2021-07-13 19:57:48,798 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-13 19:57:48,798 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:57:48,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-13 19:57:48,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=334, Unknown=0, NotChecked=0, Total=420 [2021-07-13 19:57:48,799 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) [2021-07-13 19:57:49,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:57:49,660 INFO L93 Difference]: Finished difference Result 6009 states and 14677 transitions. [2021-07-13 19:57:49,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-13 19:57:49,661 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 [2021-07-13 19:57:49,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:57:49,668 INFO L225 Difference]: With dead ends: 6009 [2021-07-13 19:57:49,669 INFO L226 Difference]: Without dead ends: 6005 [2021-07-13 19:57:49,669 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1206 ImplicationChecksByTransitivity, 774.4ms TimeCoverageRelationStatistics Valid=1087, Invalid=2819, Unknown=0, NotChecked=0, Total=3906 [2021-07-13 19:57:49,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6005 states. [2021-07-13 19:57:49,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6005 to 5062. [2021-07-13 19:57:49,760 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) [2021-07-13 19:57:49,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5062 states to 5062 states and 12739 transitions. [2021-07-13 19:57:49,769 INFO L78 Accepts]: Start accepts. Automaton has 5062 states and 12739 transitions. Word has length 32 [2021-07-13 19:57:49,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:57:49,769 INFO L482 AbstractCegarLoop]: Abstraction has 5062 states and 12739 transitions. [2021-07-13 19:57:49,770 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) [2021-07-13 19:57:49,770 INFO L276 IsEmpty]: Start isEmpty. Operand 5062 states and 12739 transitions. [2021-07-13 19:57:49,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-07-13 19:57:49,774 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:57:49,774 INFO L508 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:57:49,976 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable184,67 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:57:49,977 INFO L430 AbstractCegarLoop]: === Iteration 72 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:57:49,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:57:49,977 INFO L82 PathProgramCache]: Analyzing trace with hash 367680386, now seen corresponding path program 67 times [2021-07-13 19:57:49,977 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:57:49,977 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633653639] [2021-07-13 19:57:49,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:57:49,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:57:50,044 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:57:50,044 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:57:50,044 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633653639] [2021-07-13 19:57:50,044 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633653639] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:50,044 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [383146458] [2021-07-13 19:57:50,044 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 [2021-07-13 19:57:50,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:57:50,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-13 19:57:50,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:57:50,292 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:57:50,292 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [383146458] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:50,292 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:57:50,292 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13] total 21 [2021-07-13 19:57:50,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821419777] [2021-07-13 19:57:50,293 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-13 19:57:50,293 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:57:50,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-13 19:57:50,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=375, Unknown=0, NotChecked=0, Total=462 [2021-07-13 19:57:50,293 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) [2021-07-13 19:57:51,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:57:51,184 INFO L93 Difference]: Finished difference Result 6244 states and 15277 transitions. [2021-07-13 19:57:51,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-13 19:57:51,185 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 [2021-07-13 19:57:51,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:57:51,193 INFO L225 Difference]: With dead ends: 6244 [2021-07-13 19:57:51,194 INFO L226 Difference]: Without dead ends: 6232 [2021-07-13 19:57:51,194 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1197 ImplicationChecksByTransitivity, 804.1ms TimeCoverageRelationStatistics Valid=1011, Invalid=2895, Unknown=0, NotChecked=0, Total=3906 [2021-07-13 19:57:51,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6232 states. [2021-07-13 19:57:51,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6232 to 5108. [2021-07-13 19:57:51,288 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) [2021-07-13 19:57:51,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5108 states to 5108 states and 12884 transitions. [2021-07-13 19:57:51,297 INFO L78 Accepts]: Start accepts. Automaton has 5108 states and 12884 transitions. Word has length 32 [2021-07-13 19:57:51,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:57:51,297 INFO L482 AbstractCegarLoop]: Abstraction has 5108 states and 12884 transitions. [2021-07-13 19:57:51,297 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) [2021-07-13 19:57:51,297 INFO L276 IsEmpty]: Start isEmpty. Operand 5108 states and 12884 transitions. [2021-07-13 19:57:51,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-07-13 19:57:51,302 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:57:51,302 INFO L508 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:57:51,502 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable185,68 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:57:51,502 INFO L430 AbstractCegarLoop]: === Iteration 73 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:57:51,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:57:51,503 INFO L82 PathProgramCache]: Analyzing trace with hash 140459006, now seen corresponding path program 68 times [2021-07-13 19:57:51,503 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:57:51,503 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359857271] [2021-07-13 19:57:51,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:57:51,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:57:51,575 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 26 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:57:51,575 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:57:51,575 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359857271] [2021-07-13 19:57:51,575 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359857271] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:51,575 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [386544048] [2021-07-13 19:57:51,576 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 [2021-07-13 19:57:51,619 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 19:57:51,619 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:57:51,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-13 19:57:51,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:57:51,824 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 13 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:57:51,824 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [386544048] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:51,824 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:57:51,824 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13] total 22 [2021-07-13 19:57:51,824 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624112279] [2021-07-13 19:57:51,824 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-13 19:57:51,824 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:57:51,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-13 19:57:51,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=413, Unknown=0, NotChecked=0, Total=506 [2021-07-13 19:57:51,825 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) [2021-07-13 19:57:52,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:57:52,757 INFO L93 Difference]: Finished difference Result 6722 states and 16413 transitions. [2021-07-13 19:57:52,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-13 19:57:52,758 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 [2021-07-13 19:57:52,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:57:52,767 INFO L225 Difference]: With dead ends: 6722 [2021-07-13 19:57:52,767 INFO L226 Difference]: Without dead ends: 6702 [2021-07-13 19:57:52,768 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1272 ImplicationChecksByTransitivity, 838.6ms TimeCoverageRelationStatistics Valid=1025, Invalid=3135, Unknown=0, NotChecked=0, Total=4160 [2021-07-13 19:57:52,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6702 states. [2021-07-13 19:57:52,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6702 to 5738. [2021-07-13 19:57:52,879 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) [2021-07-13 19:57:52,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5738 states to 5738 states and 14504 transitions. [2021-07-13 19:57:52,889 INFO L78 Accepts]: Start accepts. Automaton has 5738 states and 14504 transitions. Word has length 32 [2021-07-13 19:57:52,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:57:52,889 INFO L482 AbstractCegarLoop]: Abstraction has 5738 states and 14504 transitions. [2021-07-13 19:57:52,889 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) [2021-07-13 19:57:52,890 INFO L276 IsEmpty]: Start isEmpty. Operand 5738 states and 14504 transitions. [2021-07-13 19:57:52,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-07-13 19:57:52,894 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:57:52,894 INFO L508 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:57:53,095 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable186,69 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:57:53,095 INFO L430 AbstractCegarLoop]: === Iteration 74 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:57:53,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:57:53,095 INFO L82 PathProgramCache]: Analyzing trace with hash 824044922, now seen corresponding path program 69 times [2021-07-13 19:57:53,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:57:53,095 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206090895] [2021-07-13 19:57:53,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:57:53,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:57:53,181 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:57:53,182 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:57:53,182 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206090895] [2021-07-13 19:57:53,182 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206090895] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:53,182 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1472633765] [2021-07-13 19:57:53,182 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 [2021-07-13 19:57:53,208 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-07-13 19:57:53,208 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:57:53,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-13 19:57:53,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:57:53,410 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:57:53,410 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1472633765] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:53,411 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:57:53,411 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 23 [2021-07-13 19:57:53,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378785000] [2021-07-13 19:57:53,411 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-13 19:57:53,411 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:57:53,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-13 19:57:53,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=449, Unknown=0, NotChecked=0, Total=552 [2021-07-13 19:57:53,411 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) [2021-07-13 19:57:54,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:57:54,380 INFO L93 Difference]: Finished difference Result 7634 states and 18636 transitions. [2021-07-13 19:57:54,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-13 19:57:54,383 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 [2021-07-13 19:57:54,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:57:54,395 INFO L225 Difference]: With dead ends: 7634 [2021-07-13 19:57:54,395 INFO L226 Difference]: Without dead ends: 7606 [2021-07-13 19:57:54,396 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1454 ImplicationChecksByTransitivity, 918.5ms TimeCoverageRelationStatistics Valid=1128, Invalid=3564, Unknown=0, NotChecked=0, Total=4692 [2021-07-13 19:57:54,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7606 states. [2021-07-13 19:57:54,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7606 to 6549. [2021-07-13 19:57:54,500 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) [2021-07-13 19:57:54,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6549 states to 6549 states and 16556 transitions. [2021-07-13 19:57:54,512 INFO L78 Accepts]: Start accepts. Automaton has 6549 states and 16556 transitions. Word has length 32 [2021-07-13 19:57:54,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:57:54,512 INFO L482 AbstractCegarLoop]: Abstraction has 6549 states and 16556 transitions. [2021-07-13 19:57:54,513 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) [2021-07-13 19:57:54,513 INFO L276 IsEmpty]: Start isEmpty. Operand 6549 states and 16556 transitions. [2021-07-13 19:57:54,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-07-13 19:57:54,518 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:57:54,518 INFO L508 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:57:54,721 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187,70 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:57:54,721 INFO L430 AbstractCegarLoop]: === Iteration 75 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:57:54,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:57:54,721 INFO L82 PathProgramCache]: Analyzing trace with hash 620113910, now seen corresponding path program 70 times [2021-07-13 19:57:54,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:57:54,721 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634303085] [2021-07-13 19:57:54,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:57:54,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:57:54,841 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 21 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:57:54,841 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:57:54,841 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634303085] [2021-07-13 19:57:54,841 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634303085] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:54,841 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [392855425] [2021-07-13 19:57:54,841 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 [2021-07-13 19:57:54,865 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 19:57:54,865 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:57:54,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-13 19:57:54,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:57:55,060 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 21 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:57:55,060 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [392855425] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:55,060 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:57:55,060 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-07-13 19:57:55,061 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447795798] [2021-07-13 19:57:55,061 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-13 19:57:55,061 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:57:55,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-13 19:57:55,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=483, Unknown=0, NotChecked=0, Total=600 [2021-07-13 19:57:55,061 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) [2021-07-13 19:57:56,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:57:56,190 INFO L93 Difference]: Finished difference Result 7611 states and 18726 transitions. [2021-07-13 19:57:56,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-13 19:57:56,191 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 [2021-07-13 19:57:56,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:57:56,202 INFO L225 Difference]: With dead ends: 7611 [2021-07-13 19:57:56,202 INFO L226 Difference]: Without dead ends: 7575 [2021-07-13 19:57:56,203 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1782 ImplicationChecksByTransitivity, 1049.2ms TimeCoverageRelationStatistics Valid=1318, Invalid=4232, Unknown=0, NotChecked=0, Total=5550 [2021-07-13 19:57:56,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7575 states. [2021-07-13 19:57:56,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7575 to 6635. [2021-07-13 19:57:56,313 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) [2021-07-13 19:57:56,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6635 states to 6635 states and 16832 transitions. [2021-07-13 19:57:56,325 INFO L78 Accepts]: Start accepts. Automaton has 6635 states and 16832 transitions. Word has length 32 [2021-07-13 19:57:56,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:57:56,325 INFO L482 AbstractCegarLoop]: Abstraction has 6635 states and 16832 transitions. [2021-07-13 19:57:56,326 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) [2021-07-13 19:57:56,326 INFO L276 IsEmpty]: Start isEmpty. Operand 6635 states and 16832 transitions. [2021-07-13 19:57:56,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-07-13 19:57:56,331 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:57:56,331 INFO L508 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:57:56,532 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 71 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable188 [2021-07-13 19:57:56,532 INFO L430 AbstractCegarLoop]: === Iteration 76 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:57:56,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:57:56,532 INFO L82 PathProgramCache]: Analyzing trace with hash -617394444, now seen corresponding path program 71 times [2021-07-13 19:57:56,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:57:56,533 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945958963] [2021-07-13 19:57:56,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:57:56,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:57:56,619 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:57:56,619 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:57:56,619 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945958963] [2021-07-13 19:57:56,619 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945958963] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:56,619 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1713142833] [2021-07-13 19:57:56,619 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 [2021-07-13 19:57:56,645 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-13 19:57:56,645 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:57:56,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 37 conjunts are in the unsatisfiable core [2021-07-13 19:57:56,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:57:56,810 INFO L354 Elim1Store]: treesize reduction 72, result has 40.5 percent of original size [2021-07-13 19:57:56,810 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 124 treesize of output 105 [2021-07-13 19:57:57,023 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 19:57:57,048 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:57:57,153 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 19:57:57,154 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:124, output treesize:169 [2021-07-13 19:57:57,375 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-07-13 19:57:57,757 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-07-13 19:57:58,106 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 38 [2021-07-13 19:57:58,380 INFO L354 Elim1Store]: treesize reduction 48, result has 40.7 percent of original size [2021-07-13 19:57:58,380 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 [2021-07-13 19:57:58,382 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:57:58,391 INFO L628 ElimStorePlain]: treesize reduction 393, result has 0.8 percent of original size [2021-07-13 19:57:58,391 INFO L518 ElimStorePlain]: Eliminatee f_inv vanished before elimination [2021-07-13 19:57:58,391 INFO L518 ElimStorePlain]: Eliminatee v_prenex_53 vanished before elimination [2021-07-13 19:57:58,391 INFO L518 ElimStorePlain]: Eliminatee v_prenex_52 vanished before elimination [2021-07-13 19:57:58,392 INFO L518 ElimStorePlain]: Eliminatee v_prenex_51 vanished before elimination [2021-07-13 19:57:58,392 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:57:58,392 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 10 variables, input treesize:486, output treesize:3 [2021-07-13 19:57:58,398 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:57:58,398 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1713142833] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:58,398 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:57:58,398 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12] total 17 [2021-07-13 19:57:58,398 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554764757] [2021-07-13 19:57:58,398 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-13 19:57:58,398 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:57:58,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-13 19:57:58,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2021-07-13 19:57:58,399 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) [2021-07-13 19:57:58,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:57:58,767 INFO L93 Difference]: Finished difference Result 7761 states and 19541 transitions. [2021-07-13 19:57:58,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 19:57:58,767 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 [2021-07-13 19:57:58,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:57:58,781 INFO L225 Difference]: With dead ends: 7761 [2021-07-13 19:57:58,781 INFO L226 Difference]: Without dead ends: 7754 [2021-07-13 19:57:58,781 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 29 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 859.2ms TimeCoverageRelationStatistics Valid=56, Invalid=324, Unknown=0, NotChecked=0, Total=380 [2021-07-13 19:57:58,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7754 states. [2021-07-13 19:57:58,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7754 to 7360. [2021-07-13 19:57:58,916 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) [2021-07-13 19:57:58,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7360 states to 7360 states and 18734 transitions. [2021-07-13 19:57:58,929 INFO L78 Accepts]: Start accepts. Automaton has 7360 states and 18734 transitions. Word has length 34 [2021-07-13 19:57:58,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:57:58,929 INFO L482 AbstractCegarLoop]: Abstraction has 7360 states and 18734 transitions. [2021-07-13 19:57:58,929 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) [2021-07-13 19:57:58,929 INFO L276 IsEmpty]: Start isEmpty. Operand 7360 states and 18734 transitions. [2021-07-13 19:57:58,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-07-13 19:57:58,937 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:57:58,937 INFO L508 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:57:59,147 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 72 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable189 [2021-07-13 19:57:59,148 INFO L430 AbstractCegarLoop]: === Iteration 77 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:57:59,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:57:59,148 INFO L82 PathProgramCache]: Analyzing trace with hash -100122124, now seen corresponding path program 72 times [2021-07-13 19:57:59,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:57:59,148 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855838590] [2021-07-13 19:57:59,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:57:59,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:57:59,187 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-13 19:57:59,188 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:57:59,188 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855838590] [2021-07-13 19:57:59,188 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855838590] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:57:59,188 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2028982602] [2021-07-13 19:57:59,188 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 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 [2021-07-13 19:57:59,214 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-13 19:57:59,214 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:57:59,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 37 conjunts are in the unsatisfiable core [2021-07-13 19:57:59,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:57:59,420 INFO L446 ElimStorePlain]: Different costs {10=[f], 36=[f_inv]} [2021-07-13 19:57:59,460 INFO L354 Elim1Store]: treesize reduction 32, result has 60.5 percent of original size [2021-07-13 19:57:59,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 [2021-07-13 19:57:59,782 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 19:57:59,804 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:57:59,837 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:57:59,837 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 [2021-07-13 19:58:00,024 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 19:58:00,025 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:58:00,025 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:58:00,025 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:158, output treesize:3 [2021-07-13 19:58:00,034 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:58:00,034 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2028982602] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:58:00,034 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:58:00,034 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12] total 17 [2021-07-13 19:58:00,034 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566165846] [2021-07-13 19:58:00,034 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-13 19:58:00,034 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:58:00,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-13 19:58:00,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2021-07-13 19:58:00,035 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) [2021-07-13 19:58:00,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:58:00,174 INFO L93 Difference]: Finished difference Result 8008 states and 20271 transitions. [2021-07-13 19:58:00,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 19:58:00,175 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 [2021-07-13 19:58:00,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:58:00,187 INFO L225 Difference]: With dead ends: 8008 [2021-07-13 19:58:00,188 INFO L226 Difference]: Without dead ends: 7999 [2021-07-13 19:58:00,188 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 169.5ms TimeCoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2021-07-13 19:58:00,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7999 states. [2021-07-13 19:58:00,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7999 to 7776. [2021-07-13 19:58:00,286 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) [2021-07-13 19:58:00,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7776 states to 7776 states and 19880 transitions. [2021-07-13 19:58:00,301 INFO L78 Accepts]: Start accepts. Automaton has 7776 states and 19880 transitions. Word has length 34 [2021-07-13 19:58:00,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:58:00,301 INFO L482 AbstractCegarLoop]: Abstraction has 7776 states and 19880 transitions. [2021-07-13 19:58:00,302 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) [2021-07-13 19:58:00,302 INFO L276 IsEmpty]: Start isEmpty. Operand 7776 states and 19880 transitions. [2021-07-13 19:58:00,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-07-13 19:58:00,309 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:58:00,309 INFO L508 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:58:00,532 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 73 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable402 [2021-07-13 19:58:00,532 INFO L430 AbstractCegarLoop]: === Iteration 78 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:58:00,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:58:00,532 INFO L82 PathProgramCache]: Analyzing trace with hash -1652349196, now seen corresponding path program 73 times [2021-07-13 19:58:00,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:58:00,532 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264072058] [2021-07-13 19:58:00,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:58:00,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:58:00,570 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-13 19:58:00,570 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:58:00,571 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264072058] [2021-07-13 19:58:00,571 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264072058] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:58:00,571 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1688439812] [2021-07-13 19:58:00,571 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 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 [2021-07-13 19:58:00,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:58:00,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 33 conjunts are in the unsatisfiable core [2021-07-13 19:58:00,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:58:00,808 INFO L354 Elim1Store]: treesize reduction 154, result has 36.1 percent of original size [2021-07-13 19:58:00,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2021-07-13 19:58:00,811 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:58:00,832 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:58:00,833 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:58:00,833 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:119, output treesize:136 [2021-07-13 19:58:00,898 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-07-13 19:58:01,051 INFO L446 ElimStorePlain]: Different costs {3=[f], 6=[v_prenex_54], 10=[v_prenex_55]} [2021-07-13 19:58:01,062 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:58:01,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 37 [2021-07-13 19:58:01,069 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:58:01,074 INFO L628 ElimStorePlain]: treesize reduction 113, result has 2.6 percent of original size [2021-07-13 19:58:01,074 INFO L518 ElimStorePlain]: Eliminatee v_prenex_54 vanished before elimination [2021-07-13 19:58:01,074 INFO L518 ElimStorePlain]: Eliminatee v_prenex_55 vanished before elimination [2021-07-13 19:58:01,074 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:58:01,074 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:132, output treesize:3 [2021-07-13 19:58:01,084 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:58:01,084 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1688439812] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:58:01,084 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:58:01,084 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12] total 17 [2021-07-13 19:58:01,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481907197] [2021-07-13 19:58:01,084 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-13 19:58:01,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:58:01,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-13 19:58:01,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2021-07-13 19:58:01,085 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) [2021-07-13 19:58:01,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:58:01,264 INFO L93 Difference]: Finished difference Result 8649 states and 21915 transitions. [2021-07-13 19:58:01,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-13 19:58:01,264 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 [2021-07-13 19:58:01,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:58:01,278 INFO L225 Difference]: With dead ends: 8649 [2021-07-13 19:58:01,278 INFO L226 Difference]: Without dead ends: 8624 [2021-07-13 19:58:01,278 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 284.3ms TimeCoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2021-07-13 19:58:01,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8624 states. [2021-07-13 19:58:01,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8624 to 8091. [2021-07-13 19:58:01,441 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) [2021-07-13 19:58:01,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8091 states to 8091 states and 20770 transitions. [2021-07-13 19:58:01,456 INFO L78 Accepts]: Start accepts. Automaton has 8091 states and 20770 transitions. Word has length 34 [2021-07-13 19:58:01,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:58:01,456 INFO L482 AbstractCegarLoop]: Abstraction has 8091 states and 20770 transitions. [2021-07-13 19:58:01,457 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) [2021-07-13 19:58:01,457 INFO L276 IsEmpty]: Start isEmpty. Operand 8091 states and 20770 transitions. [2021-07-13 19:58:01,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-07-13 19:58:01,463 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:58:01,463 INFO L508 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:58:01,663 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable561,74 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:58:01,664 INFO L430 AbstractCegarLoop]: === Iteration 79 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:58:01,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:58:01,664 INFO L82 PathProgramCache]: Analyzing trace with hash 1306053620, now seen corresponding path program 74 times [2021-07-13 19:58:01,664 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:58:01,664 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859183671] [2021-07-13 19:58:01,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:58:01,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:58:01,705 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-13 19:58:01,705 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:58:01,705 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859183671] [2021-07-13 19:58:01,706 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859183671] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:58:01,706 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [31753894] [2021-07-13 19:58:01,706 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 [2021-07-13 19:58:01,739 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 19:58:01,739 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:58:01,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 33 conjunts are in the unsatisfiable core [2021-07-13 19:58:01,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:58:01,909 INFO L354 Elim1Store]: treesize reduction 79, result has 47.7 percent of original size [2021-07-13 19:58:01,909 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 10 new quantified variables, introduced 15 case distinctions, treesize of input 117 treesize of output 110 [2021-07-13 19:58:01,912 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:58:01,935 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:58:01,936 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:58:01,936 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:117, output treesize:132 [2021-07-13 19:58:02,030 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-07-13 19:58:02,262 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 35 [2021-07-13 19:58:02,382 INFO L446 ElimStorePlain]: Different costs {6=[v_prenex_58], 10=[f, v_prenex_59]} [2021-07-13 19:58:02,403 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:58:02,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 64 [2021-07-13 19:58:02,405 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:58:02,410 INFO L628 ElimStorePlain]: treesize reduction 153, result has 1.9 percent of original size [2021-07-13 19:58:02,410 INFO L518 ElimStorePlain]: Eliminatee f vanished before elimination [2021-07-13 19:58:02,410 INFO L518 ElimStorePlain]: Eliminatee v_prenex_59 vanished before elimination [2021-07-13 19:58:02,411 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:58:02,411 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:176, output treesize:3 [2021-07-13 19:58:02,419 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:58:02,419 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [31753894] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:58:02,419 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:58:02,419 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12] total 17 [2021-07-13 19:58:02,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892591766] [2021-07-13 19:58:02,420 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-13 19:58:02,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:58:02,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-13 19:58:02,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2021-07-13 19:58:02,420 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) [2021-07-13 19:58:02,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:58:02,612 INFO L93 Difference]: Finished difference Result 9127 states and 23212 transitions. [2021-07-13 19:58:02,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 19:58:02,612 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 [2021-07-13 19:58:02,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:58:02,626 INFO L225 Difference]: With dead ends: 9127 [2021-07-13 19:58:02,627 INFO L226 Difference]: Without dead ends: 9098 [2021-07-13 19:58:02,627 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 385.0ms TimeCoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2021-07-13 19:58:02,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9098 states. [2021-07-13 19:58:02,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9098 to 8475. [2021-07-13 19:58:02,747 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) [2021-07-13 19:58:02,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8475 states to 8475 states and 21838 transitions. [2021-07-13 19:58:02,762 INFO L78 Accepts]: Start accepts. Automaton has 8475 states and 21838 transitions. Word has length 34 [2021-07-13 19:58:02,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:58:02,762 INFO L482 AbstractCegarLoop]: Abstraction has 8475 states and 21838 transitions. [2021-07-13 19:58:02,762 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) [2021-07-13 19:58:02,762 INFO L276 IsEmpty]: Start isEmpty. Operand 8475 states and 21838 transitions. [2021-07-13 19:58:02,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-07-13 19:58:02,769 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:58:02,769 INFO L508 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:58:02,969 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable572,75 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:58:02,969 INFO L430 AbstractCegarLoop]: === Iteration 80 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:58:02,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:58:02,970 INFO L82 PathProgramCache]: Analyzing trace with hash 1062809844, now seen corresponding path program 75 times [2021-07-13 19:58:02,970 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:58:02,970 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455126168] [2021-07-13 19:58:02,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:58:02,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:58:03,010 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-13 19:58:03,010 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:58:03,010 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455126168] [2021-07-13 19:58:03,010 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455126168] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:58:03,010 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [415329000] [2021-07-13 19:58:03,010 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 [2021-07-13 19:58:03,045 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-07-13 19:58:03,045 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:58:03,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 41 conjunts are in the unsatisfiable core [2021-07-13 19:58:03,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:58:03,254 INFO L446 ElimStorePlain]: Different costs {15=[f_inv], 28=[f]} [2021-07-13 19:58:03,304 INFO L354 Elim1Store]: treesize reduction 74, result has 43.5 percent of original size [2021-07-13 19:58:03,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 19:58:03,507 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 19:58:03,528 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:58:03,561 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:58:03,561 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 [2021-07-13 19:58:03,655 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 19:58:03,656 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:58:03,656 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:58:03,656 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:158, output treesize:3 [2021-07-13 19:58:03,665 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:58:03,665 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [415329000] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:58:03,665 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:58:03,665 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12] total 17 [2021-07-13 19:58:03,665 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115467688] [2021-07-13 19:58:03,665 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-13 19:58:03,665 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:58:03,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-13 19:58:03,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2021-07-13 19:58:03,666 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) [2021-07-13 19:58:03,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:58:03,833 INFO L93 Difference]: Finished difference Result 9518 states and 24331 transitions. [2021-07-13 19:58:03,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 19:58:03,834 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 [2021-07-13 19:58:03,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:58:03,847 INFO L225 Difference]: With dead ends: 9518 [2021-07-13 19:58:03,847 INFO L226 Difference]: Without dead ends: 9492 [2021-07-13 19:58:03,847 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 187.0ms TimeCoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2021-07-13 19:58:03,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9492 states. [2021-07-13 19:58:03,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9492 to 8919. [2021-07-13 19:58:03,981 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) [2021-07-13 19:58:03,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8919 states to 8919 states and 23080 transitions. [2021-07-13 19:58:03,997 INFO L78 Accepts]: Start accepts. Automaton has 8919 states and 23080 transitions. Word has length 34 [2021-07-13 19:58:03,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:58:03,997 INFO L482 AbstractCegarLoop]: Abstraction has 8919 states and 23080 transitions. [2021-07-13 19:58:03,997 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) [2021-07-13 19:58:03,997 INFO L276 IsEmpty]: Start isEmpty. Operand 8919 states and 23080 transitions. [2021-07-13 19:58:04,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-07-13 19:58:04,003 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:58:04,004 INFO L508 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:58:04,204 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable595,76 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:58:04,204 INFO L430 AbstractCegarLoop]: === Iteration 81 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:58:04,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:58:04,205 INFO L82 PathProgramCache]: Analyzing trace with hash -766224908, now seen corresponding path program 76 times [2021-07-13 19:58:04,205 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:58:04,205 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338138012] [2021-07-13 19:58:04,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:58:04,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:58:04,245 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-13 19:58:04,245 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:58:04,245 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338138012] [2021-07-13 19:58:04,245 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338138012] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:58:04,245 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1688002995] [2021-07-13 19:58:04,245 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 [2021-07-13 19:58:04,278 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 19:58:04,279 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:58:04,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 33 conjunts are in the unsatisfiable core [2021-07-13 19:58:04,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:58:04,400 INFO L354 Elim1Store]: treesize reduction 32, result has 60.5 percent of original size [2021-07-13 19:58:04,400 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 [2021-07-13 19:58:04,403 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:58:04,429 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:58:04,429 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:58:04,430 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:89, output treesize:162 [2021-07-13 19:58:04,600 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-07-13 19:58:05,017 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 38 [2021-07-13 19:58:05,434 INFO L354 Elim1Store]: treesize reduction 48, result has 40.7 percent of original size [2021-07-13 19:58:05,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 [2021-07-13 19:58:05,437 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:58:05,446 INFO L628 ElimStorePlain]: treesize reduction 393, result has 0.8 percent of original size [2021-07-13 19:58:05,446 INFO L518 ElimStorePlain]: Eliminatee v_prenex_70 vanished before elimination [2021-07-13 19:58:05,446 INFO L518 ElimStorePlain]: Eliminatee f vanished before elimination [2021-07-13 19:58:05,446 INFO L518 ElimStorePlain]: Eliminatee v_prenex_69 vanished before elimination [2021-07-13 19:58:05,446 INFO L518 ElimStorePlain]: Eliminatee v_prenex_68 vanished before elimination [2021-07-13 19:58:05,447 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:58:05,447 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 10 variables, input treesize:486, output treesize:3 [2021-07-13 19:58:05,457 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-13 19:58:05,457 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1688002995] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:58:05,457 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:58:05,457 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12] total 17 [2021-07-13 19:58:05,457 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709995577] [2021-07-13 19:58:05,457 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-13 19:58:05,457 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:58:05,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-13 19:58:05,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2021-07-13 19:58:05,458 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) [2021-07-13 19:58:05,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:58:05,766 INFO L93 Difference]: Finished difference Result 9867 states and 25209 transitions. [2021-07-13 19:58:05,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 19:58:05,766 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 [2021-07-13 19:58:05,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:58:05,782 INFO L225 Difference]: With dead ends: 9867 [2021-07-13 19:58:05,782 INFO L226 Difference]: Without dead ends: 9860 [2021-07-13 19:58:05,782 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 637.3ms TimeCoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2021-07-13 19:58:05,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9860 states. [2021-07-13 19:58:05,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9860 to 9257. [2021-07-13 19:58:05,943 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) [2021-07-13 19:58:06,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9257 states to 9257 states and 24025 transitions. [2021-07-13 19:58:06,015 INFO L78 Accepts]: Start accepts. Automaton has 9257 states and 24025 transitions. Word has length 34 [2021-07-13 19:58:06,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:58:06,015 INFO L482 AbstractCegarLoop]: Abstraction has 9257 states and 24025 transitions. [2021-07-13 19:58:06,015 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) [2021-07-13 19:58:06,015 INFO L276 IsEmpty]: Start isEmpty. Operand 9257 states and 24025 transitions. [2021-07-13 19:58:06,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-07-13 19:58:06,023 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:58:06,023 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:58:06,223 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable691,77 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:58:06,224 INFO L430 AbstractCegarLoop]: === Iteration 82 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:58:06,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:58:06,224 INFO L82 PathProgramCache]: Analyzing trace with hash 1975981686, now seen corresponding path program 77 times [2021-07-13 19:58:06,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:58:06,224 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976911962] [2021-07-13 19:58:06,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:58:06,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:58:06,355 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 25 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:58:06,355 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:58:06,355 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976911962] [2021-07-13 19:58:06,355 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976911962] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:58:06,355 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1242912176] [2021-07-13 19:58:06,355 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 [2021-07-13 19:58:06,383 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-07-13 19:58:06,383 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:58:06,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-13 19:58:06,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:58:06,665 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 25 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:58:06,665 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1242912176] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:58:06,665 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:58:06,666 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 29 [2021-07-13 19:58:06,666 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551250547] [2021-07-13 19:58:06,666 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-13 19:58:06,666 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:58:06,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-13 19:58:06,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=700, Unknown=0, NotChecked=0, Total=870 [2021-07-13 19:58:06,667 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) [2021-07-13 19:58:08,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:58:08,251 INFO L93 Difference]: Finished difference Result 10763 states and 27124 transitions. [2021-07-13 19:58:08,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-13 19:58:08,251 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 [2021-07-13 19:58:08,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:58:08,267 INFO L225 Difference]: With dead ends: 10763 [2021-07-13 19:58:08,267 INFO L226 Difference]: Without dead ends: 10763 [2021-07-13 19:58:08,268 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2236 ImplicationChecksByTransitivity, 1392.7ms TimeCoverageRelationStatistics Valid=2085, Invalid=5925, Unknown=0, NotChecked=0, Total=8010 [2021-07-13 19:58:08,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10763 states. [2021-07-13 19:58:08,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10763 to 8556. [2021-07-13 19:58:08,427 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) [2021-07-13 19:58:08,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8556 states to 8556 states and 22130 transitions. [2021-07-13 19:58:08,445 INFO L78 Accepts]: Start accepts. Automaton has 8556 states and 22130 transitions. Word has length 36 [2021-07-13 19:58:08,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:58:08,445 INFO L482 AbstractCegarLoop]: Abstraction has 8556 states and 22130 transitions. [2021-07-13 19:58:08,445 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) [2021-07-13 19:58:08,445 INFO L276 IsEmpty]: Start isEmpty. Operand 8556 states and 22130 transitions. [2021-07-13 19:58:08,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-07-13 19:58:08,453 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:58:08,453 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:58:08,656 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 78 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable731 [2021-07-13 19:58:08,657 INFO L430 AbstractCegarLoop]: === Iteration 83 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:58:08,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:58:08,657 INFO L82 PathProgramCache]: Analyzing trace with hash -1533628238, now seen corresponding path program 78 times [2021-07-13 19:58:08,657 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:58:08,657 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350501615] [2021-07-13 19:58:08,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:58:08,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:58:08,788 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 36 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:58:08,788 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:58:08,788 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350501615] [2021-07-13 19:58:08,788 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350501615] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:58:08,788 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [461683845] [2021-07-13 19:58:08,788 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 [2021-07-13 19:58:08,826 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-13 19:58:08,827 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:58:08,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-13 19:58:08,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:58:09,148 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 36 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:58:09,148 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [461683845] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:58:09,148 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:58:09,148 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2021-07-13 19:58:09,148 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069938718] [2021-07-13 19:58:09,149 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-13 19:58:09,149 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:58:09,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-13 19:58:09,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=670, Unknown=0, NotChecked=0, Total=812 [2021-07-13 19:58:09,149 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) [2021-07-13 19:58:11,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:58:11,493 INFO L93 Difference]: Finished difference Result 12764 states and 31601 transitions. [2021-07-13 19:58:11,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2021-07-13 19:58:11,494 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 [2021-07-13 19:58:11,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:58:11,515 INFO L225 Difference]: With dead ends: 12764 [2021-07-13 19:58:11,515 INFO L226 Difference]: Without dead ends: 12621 [2021-07-13 19:58:11,516 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4553 ImplicationChecksByTransitivity, 2258.8ms TimeCoverageRelationStatistics Valid=2979, Invalid=10827, Unknown=0, NotChecked=0, Total=13806 [2021-07-13 19:58:11,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12621 states. [2021-07-13 19:58:11,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12621 to 8919. [2021-07-13 19:58:11,663 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) [2021-07-13 19:58:11,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8919 states to 8919 states and 23058 transitions. [2021-07-13 19:58:11,678 INFO L78 Accepts]: Start accepts. Automaton has 8919 states and 23058 transitions. Word has length 36 [2021-07-13 19:58:11,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:58:11,678 INFO L482 AbstractCegarLoop]: Abstraction has 8919 states and 23058 transitions. [2021-07-13 19:58:11,678 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) [2021-07-13 19:58:11,678 INFO L276 IsEmpty]: Start isEmpty. Operand 8919 states and 23058 transitions. [2021-07-13 19:58:11,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-07-13 19:58:11,686 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:58:11,686 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:58:11,886 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 79 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable732 [2021-07-13 19:58:11,886 INFO L430 AbstractCegarLoop]: === Iteration 84 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:58:11,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:58:11,886 INFO L82 PathProgramCache]: Analyzing trace with hash 800183698, now seen corresponding path program 79 times [2021-07-13 19:58:11,886 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:58:11,887 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233469404] [2021-07-13 19:58:11,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:58:11,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:58:11,956 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 36 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:58:11,957 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:58:11,957 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233469404] [2021-07-13 19:58:11,957 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233469404] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:58:11,957 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [213604189] [2021-07-13 19:58:11,957 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 [2021-07-13 19:58:11,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:58:11,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-13 19:58:11,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:58:12,203 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 36 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:58:12,203 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [213604189] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:58:12,203 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:58:12,204 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 15] total 23 [2021-07-13 19:58:12,204 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126314800] [2021-07-13 19:58:12,204 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-13 19:58:12,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:58:12,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-13 19:58:12,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=455, Unknown=0, NotChecked=0, Total=552 [2021-07-13 19:58:12,204 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) [2021-07-13 19:58:14,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:58:14,112 INFO L93 Difference]: Finished difference Result 16283 states and 41247 transitions. [2021-07-13 19:58:14,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-07-13 19:58:14,112 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 [2021-07-13 19:58:14,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:58:14,142 INFO L225 Difference]: With dead ends: 16283 [2021-07-13 19:58:14,142 INFO L226 Difference]: Without dead ends: 16267 [2021-07-13 19:58:14,143 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3729 ImplicationChecksByTransitivity, 1639.5ms TimeCoverageRelationStatistics Valid=2811, Invalid=7695, Unknown=0, NotChecked=0, Total=10506 [2021-07-13 19:58:14,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16267 states. [2021-07-13 19:58:14,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16267 to 11626. [2021-07-13 19:58:14,377 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) [2021-07-13 19:58:14,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11626 states to 11626 states and 30046 transitions. [2021-07-13 19:58:14,399 INFO L78 Accepts]: Start accepts. Automaton has 11626 states and 30046 transitions. Word has length 36 [2021-07-13 19:58:14,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:58:14,399 INFO L482 AbstractCegarLoop]: Abstraction has 11626 states and 30046 transitions. [2021-07-13 19:58:14,399 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:58:14,399 INFO L276 IsEmpty]: Start isEmpty. Operand 11626 states and 30046 transitions. [2021-07-13 19:58:14,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-07-13 19:58:14,408 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:58:14,408 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:58:14,608 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable733,80 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:58:14,609 INFO L430 AbstractCegarLoop]: === Iteration 85 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:58:14,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:58:14,609 INFO L82 PathProgramCache]: Analyzing trace with hash -583714384, now seen corresponding path program 80 times [2021-07-13 19:58:14,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:58:14,609 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783888845] [2021-07-13 19:58:14,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:58:14,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:58:14,682 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 31 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:58:14,682 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:58:14,682 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783888845] [2021-07-13 19:58:14,682 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783888845] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:58:14,682 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1979512042] [2021-07-13 19:58:14,682 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 [2021-07-13 19:58:14,722 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 19:58:14,722 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:58:14,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-13 19:58:14,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:58:14,969 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 31 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:58:14,969 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1979512042] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:58:14,969 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:58:14,969 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 15] total 23 [2021-07-13 19:58:14,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581114437] [2021-07-13 19:58:14,970 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-13 19:58:14,970 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:58:14,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-13 19:58:14,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=424, Unknown=0, NotChecked=0, Total=552 [2021-07-13 19:58:14,970 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) [2021-07-13 19:58:16,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:58:16,377 INFO L93 Difference]: Finished difference Result 12191 states and 31159 transitions. [2021-07-13 19:58:16,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-13 19:58:16,377 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 [2021-07-13 19:58:16,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:58:16,398 INFO L225 Difference]: With dead ends: 12191 [2021-07-13 19:58:16,398 INFO L226 Difference]: Without dead ends: 12187 [2021-07-13 19:58:16,398 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2261 ImplicationChecksByTransitivity, 1301.2ms TimeCoverageRelationStatistics Valid=1724, Invalid=5416, Unknown=0, NotChecked=0, Total=7140 [2021-07-13 19:58:16,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12187 states. [2021-07-13 19:58:16,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12187 to 11626. [2021-07-13 19:58:16,563 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) [2021-07-13 19:58:16,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11626 states to 11626 states and 30038 transitions. [2021-07-13 19:58:16,587 INFO L78 Accepts]: Start accepts. Automaton has 11626 states and 30038 transitions. Word has length 36 [2021-07-13 19:58:16,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:58:16,587 INFO L482 AbstractCegarLoop]: Abstraction has 11626 states and 30038 transitions. [2021-07-13 19:58:16,587 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:58:16,588 INFO L276 IsEmpty]: Start isEmpty. Operand 11626 states and 30038 transitions. [2021-07-13 19:58:16,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-07-13 19:58:16,598 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:58:16,598 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:58:16,800 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 81 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable734 [2021-07-13 19:58:16,801 INFO L430 AbstractCegarLoop]: === Iteration 86 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:58:16,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:58:16,801 INFO L82 PathProgramCache]: Analyzing trace with hash 1643832242, now seen corresponding path program 81 times [2021-07-13 19:58:16,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:58:16,801 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015911254] [2021-07-13 19:58:16,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:58:16,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:58:16,861 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 39 proven. 21 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:58:16,861 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:58:16,861 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015911254] [2021-07-13 19:58:16,861 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015911254] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:58:16,861 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1584787002] [2021-07-13 19:58:16,861 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 [2021-07-13 19:58:16,892 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-07-13 19:58:16,892 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:58:16,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-13 19:58:16,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:58:17,109 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 31 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:58:17,110 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1584787002] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:58:17,110 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:58:17,110 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 15] total 23 [2021-07-13 19:58:17,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989811883] [2021-07-13 19:58:17,110 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-13 19:58:17,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:58:17,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-13 19:58:17,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=455, Unknown=0, NotChecked=0, Total=552 [2021-07-13 19:58:17,111 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) [2021-07-13 19:58:18,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:58:18,194 INFO L93 Difference]: Finished difference Result 15216 states and 38818 transitions. [2021-07-13 19:58:18,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-07-13 19:58:18,195 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 [2021-07-13 19:58:18,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:58:18,222 INFO L225 Difference]: With dead ends: 15216 [2021-07-13 19:58:18,222 INFO L226 Difference]: Without dead ends: 15195 [2021-07-13 19:58:18,223 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1417 ImplicationChecksByTransitivity, 898.8ms TimeCoverageRelationStatistics Valid=1176, Invalid=3654, Unknown=0, NotChecked=0, Total=4830 [2021-07-13 19:58:18,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15195 states. [2021-07-13 19:58:18,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15195 to 11850. [2021-07-13 19:58:18,503 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) [2021-07-13 19:58:18,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11850 states to 11850 states and 30730 transitions. [2021-07-13 19:58:18,528 INFO L78 Accepts]: Start accepts. Automaton has 11850 states and 30730 transitions. Word has length 36 [2021-07-13 19:58:18,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:58:18,528 INFO L482 AbstractCegarLoop]: Abstraction has 11850 states and 30730 transitions. [2021-07-13 19:58:18,528 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) [2021-07-13 19:58:18,529 INFO L276 IsEmpty]: Start isEmpty. Operand 11850 states and 30730 transitions. [2021-07-13 19:58:18,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-07-13 19:58:18,538 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:58:18,538 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:58:18,738 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable735,82 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:58:18,739 INFO L430 AbstractCegarLoop]: === Iteration 87 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:58:18,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:58:18,739 INFO L82 PathProgramCache]: Analyzing trace with hash -1511339966, now seen corresponding path program 82 times [2021-07-13 19:58:18,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:58:18,739 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021959016] [2021-07-13 19:58:18,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:58:18,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:58:18,810 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 27 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:58:18,811 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:58:18,811 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021959016] [2021-07-13 19:58:18,811 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021959016] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:58:18,811 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1710086503] [2021-07-13 19:58:18,811 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 [2021-07-13 19:58:18,837 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 19:58:18,837 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:58:18,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-13 19:58:18,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:58:19,099 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 27 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:58:19,099 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1710086503] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:58:19,099 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:58:19,099 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 15] total 24 [2021-07-13 19:58:19,099 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078789094] [2021-07-13 19:58:19,099 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-13 19:58:19,100 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:58:19,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-13 19:58:19,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=475, Unknown=0, NotChecked=0, Total=600 [2021-07-13 19:58:19,100 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) [2021-07-13 19:58:20,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:58:20,700 INFO L93 Difference]: Finished difference Result 13259 states and 33760 transitions. [2021-07-13 19:58:20,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-13 19:58:20,700 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 [2021-07-13 19:58:20,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:58:20,723 INFO L225 Difference]: With dead ends: 13259 [2021-07-13 19:58:20,723 INFO L226 Difference]: Without dead ends: 13241 [2021-07-13 19:58:20,724 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2419 ImplicationChecksByTransitivity, 1385.9ms TimeCoverageRelationStatistics Valid=1777, Invalid=5705, Unknown=0, NotChecked=0, Total=7482 [2021-07-13 19:58:20,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13241 states. [2021-07-13 19:58:20,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13241 to 12104. [2021-07-13 19:58:20,933 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) [2021-07-13 19:58:20,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12104 states to 12104 states and 31415 transitions. [2021-07-13 19:58:20,958 INFO L78 Accepts]: Start accepts. Automaton has 12104 states and 31415 transitions. Word has length 36 [2021-07-13 19:58:20,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:58:20,958 INFO L482 AbstractCegarLoop]: Abstraction has 12104 states and 31415 transitions. [2021-07-13 19:58:20,958 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) [2021-07-13 19:58:20,958 INFO L276 IsEmpty]: Start isEmpty. Operand 12104 states and 31415 transitions. [2021-07-13 19:58:20,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-07-13 19:58:20,967 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:58:20,967 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:58:21,167 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable736,83 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:58:21,167 INFO L430 AbstractCegarLoop]: === Iteration 88 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:58:21,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:58:21,168 INFO L82 PathProgramCache]: Analyzing trace with hash 1219841470, now seen corresponding path program 83 times [2021-07-13 19:58:21,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:58:21,168 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285486305] [2021-07-13 19:58:21,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:58:21,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:58:21,241 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 22 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:58:21,241 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:58:21,241 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285486305] [2021-07-13 19:58:21,241 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285486305] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:58:21,241 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1658937160] [2021-07-13 19:58:21,242 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 [2021-07-13 19:58:21,273 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2021-07-13 19:58:21,273 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:58:21,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-13 19:58:21,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:58:21,501 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 22 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:58:21,501 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1658937160] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:58:21,501 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:58:21,501 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15] total 25 [2021-07-13 19:58:21,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802717639] [2021-07-13 19:58:21,501 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-13 19:58:21,501 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:58:21,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-13 19:58:21,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=524, Unknown=0, NotChecked=0, Total=650 [2021-07-13 19:58:21,502 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) [2021-07-13 19:58:22,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:58:22,992 INFO L93 Difference]: Finished difference Result 13923 states and 35275 transitions. [2021-07-13 19:58:22,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-13 19:58:22,992 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 [2021-07-13 19:58:22,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:58:23,017 INFO L225 Difference]: With dead ends: 13923 [2021-07-13 19:58:23,017 INFO L226 Difference]: Without dead ends: 13889 [2021-07-13 19:58:23,018 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2629 ImplicationChecksByTransitivity, 1265.8ms TimeCoverageRelationStatistics Valid=1841, Invalid=5991, Unknown=0, NotChecked=0, Total=7832 [2021-07-13 19:58:23,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13889 states. [2021-07-13 19:58:23,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13889 to 11939. [2021-07-13 19:58:23,255 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) [2021-07-13 19:58:23,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11939 states to 11939 states and 31019 transitions. [2021-07-13 19:58:23,279 INFO L78 Accepts]: Start accepts. Automaton has 11939 states and 31019 transitions. Word has length 36 [2021-07-13 19:58:23,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:58:23,279 INFO L482 AbstractCegarLoop]: Abstraction has 11939 states and 31019 transitions. [2021-07-13 19:58:23,280 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) [2021-07-13 19:58:23,280 INFO L276 IsEmpty]: Start isEmpty. Operand 11939 states and 31019 transitions. [2021-07-13 19:58:23,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-07-13 19:58:23,289 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:58:23,289 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:58:23,489 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable737,84 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:58:23,489 INFO L430 AbstractCegarLoop]: === Iteration 89 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:58:23,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:58:23,490 INFO L82 PathProgramCache]: Analyzing trace with hash 1660183610, now seen corresponding path program 84 times [2021-07-13 19:58:23,490 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:58:23,490 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702543611] [2021-07-13 19:58:23,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:58:23,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:58:23,577 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 21 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:58:23,578 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:58:23,578 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702543611] [2021-07-13 19:58:23,578 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702543611] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:58:23,578 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [720059900] [2021-07-13 19:58:23,578 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 [2021-07-13 19:58:23,607 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2021-07-13 19:58:23,608 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:58:23,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-13 19:58:23,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:58:23,841 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 21 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:58:23,841 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [720059900] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:58:23,841 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:58:23,841 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15] total 26 [2021-07-13 19:58:23,841 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741225997] [2021-07-13 19:58:23,842 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-13 19:58:23,842 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:58:23,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-13 19:58:23,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=571, Unknown=0, NotChecked=0, Total=702 [2021-07-13 19:58:23,842 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) [2021-07-13 19:58:25,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:58:25,318 INFO L93 Difference]: Finished difference Result 14229 states and 35822 transitions. [2021-07-13 19:58:25,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-13 19:58:25,319 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 [2021-07-13 19:58:25,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:58:25,343 INFO L225 Difference]: With dead ends: 14229 [2021-07-13 19:58:25,343 INFO L226 Difference]: Without dead ends: 14185 [2021-07-13 19:58:25,344 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2812 ImplicationChecksByTransitivity, 1275.6ms TimeCoverageRelationStatistics Valid=1915, Invalid=6275, Unknown=0, NotChecked=0, Total=8190 [2021-07-13 19:58:25,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14185 states. [2021-07-13 19:58:25,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14185 to 11149. [2021-07-13 19:58:25,604 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) [2021-07-13 19:58:25,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11149 states to 11149 states and 28998 transitions. [2021-07-13 19:58:25,625 INFO L78 Accepts]: Start accepts. Automaton has 11149 states and 28998 transitions. Word has length 36 [2021-07-13 19:58:25,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:58:25,625 INFO L482 AbstractCegarLoop]: Abstraction has 11149 states and 28998 transitions. [2021-07-13 19:58:25,625 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 2.2962962962962963) internal successors, (62), 26 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:58:25,625 INFO L276 IsEmpty]: Start isEmpty. Operand 11149 states and 28998 transitions. [2021-07-13 19:58:25,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-07-13 19:58:25,634 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:58:25,634 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:58:25,853 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 85 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable738 [2021-07-13 19:58:25,853 INFO L430 AbstractCegarLoop]: === Iteration 90 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:58:25,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:58:25,854 INFO L82 PathProgramCache]: Analyzing trace with hash -372782154, now seen corresponding path program 85 times [2021-07-13 19:58:25,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:58:25,854 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269541244] [2021-07-13 19:58:25,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:58:25,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:58:25,948 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 24 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:58:25,948 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:58:25,948 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269541244] [2021-07-13 19:58:25,948 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269541244] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:58:25,948 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [479705534] [2021-07-13 19:58:25,948 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 [2021-07-13 19:58:25,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:58:25,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-13 19:58:25,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:58:26,225 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 24 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:58:26,225 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [479705534] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:58:26,225 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:58:26,225 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 27 [2021-07-13 19:58:26,225 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488727103] [2021-07-13 19:58:26,226 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-13 19:58:26,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:58:26,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-13 19:58:26,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=616, Unknown=0, NotChecked=0, Total=756 [2021-07-13 19:58:26,226 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) [2021-07-13 19:58:27,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:58:27,680 INFO L93 Difference]: Finished difference Result 13990 states and 34960 transitions. [2021-07-13 19:58:27,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-13 19:58:27,680 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 [2021-07-13 19:58:27,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:58:27,703 INFO L225 Difference]: With dead ends: 13990 [2021-07-13 19:58:27,703 INFO L226 Difference]: Without dead ends: 13948 [2021-07-13 19:58:27,704 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2949 ImplicationChecksByTransitivity, 1312.9ms TimeCoverageRelationStatistics Valid=1998, Invalid=6558, Unknown=0, NotChecked=0, Total=8556 [2021-07-13 19:58:27,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13948 states. [2021-07-13 19:58:27,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13948 to 9962. [2021-07-13 19:58:27,870 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) [2021-07-13 19:58:27,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9962 states to 9962 states and 25876 transitions. [2021-07-13 19:58:27,988 INFO L78 Accepts]: Start accepts. Automaton has 9962 states and 25876 transitions. Word has length 36 [2021-07-13 19:58:27,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:58:27,988 INFO L482 AbstractCegarLoop]: Abstraction has 9962 states and 25876 transitions. [2021-07-13 19:58:27,988 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 2.2142857142857144) internal successors, (62), 27 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:58:27,988 INFO L276 IsEmpty]: Start isEmpty. Operand 9962 states and 25876 transitions. [2021-07-13 19:58:27,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-07-13 19:58:27,995 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:58:27,996 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:58:28,196 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable739,86 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:58:28,196 INFO L430 AbstractCegarLoop]: === Iteration 91 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:58:28,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:58:28,197 INFO L82 PathProgramCache]: Analyzing trace with hash -1742466442, now seen corresponding path program 86 times [2021-07-13 19:58:28,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:58:28,197 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265360308] [2021-07-13 19:58:28,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:58:28,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:58:28,327 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 24 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:58:28,327 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:58:28,327 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265360308] [2021-07-13 19:58:28,328 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265360308] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:58:28,328 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1768512454] [2021-07-13 19:58:28,328 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 [2021-07-13 19:58:28,361 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 19:58:28,362 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:58:28,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-13 19:58:28,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:58:28,619 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 20 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:58:28,619 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1768512454] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:58:28,620 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:58:28,620 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2021-07-13 19:58:28,620 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695747898] [2021-07-13 19:58:28,620 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-13 19:58:28,620 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:58:28,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-13 19:58:28,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=665, Unknown=0, NotChecked=0, Total=812 [2021-07-13 19:58:28,621 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) [2021-07-13 19:58:30,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:58:30,222 INFO L93 Difference]: Finished difference Result 12322 states and 30673 transitions. [2021-07-13 19:58:30,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-13 19:58:30,222 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 [2021-07-13 19:58:30,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:58:30,244 INFO L225 Difference]: With dead ends: 12322 [2021-07-13 19:58:30,244 INFO L226 Difference]: Without dead ends: 12322 [2021-07-13 19:58:30,245 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2304 ImplicationChecksByTransitivity, 1401.3ms TimeCoverageRelationStatistics Valid=1981, Invalid=6029, Unknown=0, NotChecked=0, Total=8010 [2021-07-13 19:58:30,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12322 states. [2021-07-13 19:58:30,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12322 to 8944. [2021-07-13 19:58:30,386 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) [2021-07-13 19:58:30,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8944 states to 8944 states and 23159 transitions. [2021-07-13 19:58:30,403 INFO L78 Accepts]: Start accepts. Automaton has 8944 states and 23159 transitions. Word has length 36 [2021-07-13 19:58:30,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:58:30,403 INFO L482 AbstractCegarLoop]: Abstraction has 8944 states and 23159 transitions. [2021-07-13 19:58:30,404 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) [2021-07-13 19:58:30,404 INFO L276 IsEmpty]: Start isEmpty. Operand 8944 states and 23159 transitions. [2021-07-13 19:58:30,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-07-13 19:58:30,411 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:58:30,411 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:58:30,611 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 87 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable740 [2021-07-13 19:58:30,611 INFO L430 AbstractCegarLoop]: === Iteration 92 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:58:30,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:58:30,612 INFO L82 PathProgramCache]: Analyzing trace with hash 1833765810, now seen corresponding path program 87 times [2021-07-13 19:58:30,612 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:58:30,612 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704268024] [2021-07-13 19:58:30,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:58:30,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:58:30,782 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 27 proven. 33 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:58:30,782 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:58:30,782 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704268024] [2021-07-13 19:58:30,783 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704268024] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:58:30,783 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1229041407] [2021-07-13 19:58:30,783 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 [2021-07-13 19:58:30,812 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-07-13 19:58:30,812 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:58:30,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-13 19:58:30,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:58:31,058 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 27 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:58:31,058 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1229041407] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:58:31,058 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:58:31,058 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 27 [2021-07-13 19:58:31,058 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750880845] [2021-07-13 19:58:31,058 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-13 19:58:31,058 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:58:31,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-13 19:58:31,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=626, Unknown=0, NotChecked=0, Total=756 [2021-07-13 19:58:31,059 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) [2021-07-13 19:58:32,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:58:32,721 INFO L93 Difference]: Finished difference Result 10626 states and 26434 transitions. [2021-07-13 19:58:32,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-13 19:58:32,722 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 [2021-07-13 19:58:32,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:58:32,738 INFO L225 Difference]: With dead ends: 10626 [2021-07-13 19:58:32,738 INFO L226 Difference]: Without dead ends: 10527 [2021-07-13 19:58:32,739 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3285 ImplicationChecksByTransitivity, 1585.2ms TimeCoverageRelationStatistics Valid=2020, Invalid=7486, Unknown=0, NotChecked=0, Total=9506 [2021-07-13 19:58:32,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10527 states. [2021-07-13 19:58:32,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10527 to 8656. [2021-07-13 19:58:32,894 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) [2021-07-13 19:58:32,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8656 states to 8656 states and 22304 transitions. [2021-07-13 19:58:32,912 INFO L78 Accepts]: Start accepts. Automaton has 8656 states and 22304 transitions. Word has length 36 [2021-07-13 19:58:32,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:58:32,912 INFO L482 AbstractCegarLoop]: Abstraction has 8656 states and 22304 transitions. [2021-07-13 19:58:32,912 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) [2021-07-13 19:58:32,912 INFO L276 IsEmpty]: Start isEmpty. Operand 8656 states and 22304 transitions. [2021-07-13 19:58:32,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-07-13 19:58:32,918 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:58:32,919 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:58:33,119 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 88 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable741 [2021-07-13 19:58:33,119 INFO L430 AbstractCegarLoop]: === Iteration 93 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:58:33,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:58:33,119 INFO L82 PathProgramCache]: Analyzing trace with hash 1703939702, now seen corresponding path program 88 times [2021-07-13 19:58:33,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:58:33,119 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180214443] [2021-07-13 19:58:33,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:58:33,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:58:33,226 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 23 proven. 37 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:58:33,226 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:58:33,226 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180214443] [2021-07-13 19:58:33,226 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180214443] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:58:33,226 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1264664839] [2021-07-13 19:58:33,226 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 [2021-07-13 19:58:33,267 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 19:58:33,267 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:58:33,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-13 19:58:33,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:58:33,532 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 20 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:58:33,532 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1264664839] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:58:33,532 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:58:33,532 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 27 [2021-07-13 19:58:33,532 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599293570] [2021-07-13 19:58:33,532 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-13 19:58:33,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:58:33,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-13 19:58:33,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=624, Unknown=0, NotChecked=0, Total=756 [2021-07-13 19:58:33,533 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) [2021-07-13 19:58:35,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:58:35,256 INFO L93 Difference]: Finished difference Result 11669 states and 28734 transitions. [2021-07-13 19:58:35,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-07-13 19:58:35,256 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 [2021-07-13 19:58:35,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:58:35,274 INFO L225 Difference]: With dead ends: 11669 [2021-07-13 19:58:35,274 INFO L226 Difference]: Without dead ends: 11669 [2021-07-13 19:58:35,275 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2824 ImplicationChecksByTransitivity, 1503.2ms TimeCoverageRelationStatistics Valid=2270, Invalid=6660, Unknown=0, NotChecked=0, Total=8930 [2021-07-13 19:58:35,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11669 states. [2021-07-13 19:58:35,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11669 to 7769. [2021-07-13 19:58:35,403 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) [2021-07-13 19:58:35,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7769 states to 7769 states and 19892 transitions. [2021-07-13 19:58:35,417 INFO L78 Accepts]: Start accepts. Automaton has 7769 states and 19892 transitions. Word has length 36 [2021-07-13 19:58:35,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:58:35,417 INFO L482 AbstractCegarLoop]: Abstraction has 7769 states and 19892 transitions. [2021-07-13 19:58:35,417 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) [2021-07-13 19:58:35,417 INFO L276 IsEmpty]: Start isEmpty. Operand 7769 states and 19892 transitions. [2021-07-13 19:58:35,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-07-13 19:58:35,423 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:58:35,423 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:58:35,624 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable742,89 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:58:35,624 INFO L430 AbstractCegarLoop]: === Iteration 94 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:58:35,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:58:35,624 INFO L82 PathProgramCache]: Analyzing trace with hash 366880434, now seen corresponding path program 89 times [2021-07-13 19:58:35,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:58:35,624 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070336104] [2021-07-13 19:58:35,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:58:35,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:58:35,708 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 23 proven. 37 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:58:35,708 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:58:35,708 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070336104] [2021-07-13 19:58:35,708 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070336104] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:58:35,708 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007626261] [2021-07-13 19:58:35,709 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 [2021-07-13 19:58:35,735 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-13 19:58:35,735 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:58:35,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-13 19:58:35,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:58:35,971 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 22 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:58:35,972 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2007626261] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:58:35,972 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:58:35,972 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15] total 26 [2021-07-13 19:58:35,972 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963983427] [2021-07-13 19:58:35,972 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-13 19:58:35,972 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:58:35,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-13 19:58:35,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=580, Unknown=0, NotChecked=0, Total=702 [2021-07-13 19:58:35,973 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) [2021-07-13 19:58:37,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:58:37,456 INFO L93 Difference]: Finished difference Result 9358 states and 23204 transitions. [2021-07-13 19:58:37,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-07-13 19:58:37,456 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 [2021-07-13 19:58:37,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:58:37,471 INFO L225 Difference]: With dead ends: 9358 [2021-07-13 19:58:37,471 INFO L226 Difference]: Without dead ends: 9292 [2021-07-13 19:58:37,472 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2837 ImplicationChecksByTransitivity, 1321.0ms TimeCoverageRelationStatistics Valid=1697, Invalid=6313, Unknown=0, NotChecked=0, Total=8010 [2021-07-13 19:58:37,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9292 states. [2021-07-13 19:58:37,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9292 to 7746. [2021-07-13 19:58:37,603 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) [2021-07-13 19:58:37,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7746 states to 7746 states and 19778 transitions. [2021-07-13 19:58:37,618 INFO L78 Accepts]: Start accepts. Automaton has 7746 states and 19778 transitions. Word has length 36 [2021-07-13 19:58:37,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:58:37,618 INFO L482 AbstractCegarLoop]: Abstraction has 7746 states and 19778 transitions. [2021-07-13 19:58:37,618 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) [2021-07-13 19:58:37,618 INFO L276 IsEmpty]: Start isEmpty. Operand 7746 states and 19778 transitions. [2021-07-13 19:58:37,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-07-13 19:58:37,624 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:58:37,624 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:58:37,824 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable743,90 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:58:37,825 INFO L430 AbstractCegarLoop]: === Iteration 95 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:58:37,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:58:37,825 INFO L82 PathProgramCache]: Analyzing trace with hash 1439369846, now seen corresponding path program 90 times [2021-07-13 19:58:37,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:58:37,825 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82756498] [2021-07-13 19:58:37,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:58:37,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:58:37,907 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 22 proven. 38 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:58:37,908 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:58:37,908 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82756498] [2021-07-13 19:58:37,908 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82756498] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:58:37,908 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [681836023] [2021-07-13 19:58:37,908 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 [2021-07-13 19:58:37,937 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-13 19:58:37,937 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:58:37,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-13 19:58:37,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:58:38,169 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 20 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:58:38,169 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [681836023] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:58:38,169 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:58:38,170 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15] total 26 [2021-07-13 19:58:38,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529448249] [2021-07-13 19:58:38,170 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-13 19:58:38,170 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:58:38,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-13 19:58:38,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=581, Unknown=0, NotChecked=0, Total=702 [2021-07-13 19:58:38,170 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) [2021-07-13 19:58:40,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:58:40,044 INFO L93 Difference]: Finished difference Result 11275 states and 27529 transitions. [2021-07-13 19:58:40,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-13 19:58:40,044 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 [2021-07-13 19:58:40,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:58:40,062 INFO L225 Difference]: With dead ends: 11275 [2021-07-13 19:58:40,062 INFO L226 Difference]: Without dead ends: 11275 [2021-07-13 19:58:40,064 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3564 ImplicationChecksByTransitivity, 1598.5ms TimeCoverageRelationStatistics Valid=2740, Invalid=7562, Unknown=0, NotChecked=0, Total=10302 [2021-07-13 19:58:40,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11275 states. [2021-07-13 19:58:40,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11275 to 7094. [2021-07-13 19:58:40,228 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) [2021-07-13 19:58:40,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7094 states to 7094 states and 17958 transitions. [2021-07-13 19:58:40,241 INFO L78 Accepts]: Start accepts. Automaton has 7094 states and 17958 transitions. Word has length 36 [2021-07-13 19:58:40,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:58:40,241 INFO L482 AbstractCegarLoop]: Abstraction has 7094 states and 17958 transitions. [2021-07-13 19:58:40,241 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) [2021-07-13 19:58:40,241 INFO L276 IsEmpty]: Start isEmpty. Operand 7094 states and 17958 transitions. [2021-07-13 19:58:40,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-07-13 19:58:40,247 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:58:40,247 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:58:40,448 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 91 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable744 [2021-07-13 19:58:40,448 INFO L430 AbstractCegarLoop]: === Iteration 96 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:58:40,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:58:40,448 INFO L82 PathProgramCache]: Analyzing trace with hash 1442447794, now seen corresponding path program 91 times [2021-07-13 19:58:40,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:58:40,448 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424706070] [2021-07-13 19:58:40,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:58:40,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:58:40,521 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 23 proven. 37 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:58:40,521 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:58:40,521 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424706070] [2021-07-13 19:58:40,521 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424706070] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:58:40,521 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [613958888] [2021-07-13 19:58:40,521 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 [2021-07-13 19:58:40,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:58:40,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-13 19:58:40,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:58:40,801 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 21 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:58:40,801 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [613958888] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:58:40,801 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:58:40,802 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15] total 25 [2021-07-13 19:58:40,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615010929] [2021-07-13 19:58:40,802 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-13 19:58:40,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:58:40,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-13 19:58:40,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=532, Unknown=0, NotChecked=0, Total=650 [2021-07-13 19:58:40,803 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) [2021-07-13 19:58:42,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:58:42,190 INFO L93 Difference]: Finished difference Result 8391 states and 20772 transitions. [2021-07-13 19:58:42,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-13 19:58:42,193 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 [2021-07-13 19:58:42,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:58:42,206 INFO L225 Difference]: With dead ends: 8391 [2021-07-13 19:58:42,206 INFO L226 Difference]: Without dead ends: 8352 [2021-07-13 19:58:42,207 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2476 ImplicationChecksByTransitivity, 1191.2ms TimeCoverageRelationStatistics Valid=1507, Invalid=5465, Unknown=0, NotChecked=0, Total=6972 [2021-07-13 19:58:42,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8352 states. [2021-07-13 19:58:42,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8352 to 7183. [2021-07-13 19:58:42,323 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) [2021-07-13 19:58:42,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7183 states to 7183 states and 18188 transitions. [2021-07-13 19:58:42,336 INFO L78 Accepts]: Start accepts. Automaton has 7183 states and 18188 transitions. Word has length 36 [2021-07-13 19:58:42,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:58:42,336 INFO L482 AbstractCegarLoop]: Abstraction has 7183 states and 18188 transitions. [2021-07-13 19:58:42,336 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) [2021-07-13 19:58:42,337 INFO L276 IsEmpty]: Start isEmpty. Operand 7183 states and 18188 transitions. [2021-07-13 19:58:42,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-07-13 19:58:42,342 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:58:42,342 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:58:42,542 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 92 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable745 [2021-07-13 19:58:42,543 INFO L430 AbstractCegarLoop]: === Iteration 97 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:58:42,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:58:42,543 INFO L82 PathProgramCache]: Analyzing trace with hash -795539850, now seen corresponding path program 92 times [2021-07-13 19:58:42,543 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:58:42,543 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473750509] [2021-07-13 19:58:42,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:58:42,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:58:42,633 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 21 proven. 39 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:58:42,633 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:58:42,633 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473750509] [2021-07-13 19:58:42,633 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473750509] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:58:42,633 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1670039814] [2021-07-13 19:58:42,633 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 [2021-07-13 19:58:42,667 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 19:58:42,667 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:58:42,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-13 19:58:42,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:58:42,925 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 20 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:58:42,925 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1670039814] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:58:42,926 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:58:42,926 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15] total 25 [2021-07-13 19:58:42,926 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166315415] [2021-07-13 19:58:42,926 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-13 19:58:42,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:58:42,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-13 19:58:42,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=536, Unknown=0, NotChecked=0, Total=650 [2021-07-13 19:58:42,927 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) [2021-07-13 19:58:44,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:58:44,921 INFO L93 Difference]: Finished difference Result 11937 states and 29010 transitions. [2021-07-13 19:58:44,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-07-13 19:58:44,921 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 [2021-07-13 19:58:44,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:58:44,940 INFO L225 Difference]: With dead ends: 11937 [2021-07-13 19:58:44,940 INFO L226 Difference]: Without dead ends: 11937 [2021-07-13 19:58:44,942 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4334 ImplicationChecksByTransitivity, 1757.3ms TimeCoverageRelationStatistics Valid=3216, Invalid=8340, Unknown=0, NotChecked=0, Total=11556 [2021-07-13 19:58:44,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11937 states. [2021-07-13 19:58:45,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11937 to 8770. [2021-07-13 19:58:45,099 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) [2021-07-13 19:58:45,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8770 states to 8770 states and 21984 transitions. [2021-07-13 19:58:45,115 INFO L78 Accepts]: Start accepts. Automaton has 8770 states and 21984 transitions. Word has length 36 [2021-07-13 19:58:45,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:58:45,115 INFO L482 AbstractCegarLoop]: Abstraction has 8770 states and 21984 transitions. [2021-07-13 19:58:45,115 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) [2021-07-13 19:58:45,115 INFO L276 IsEmpty]: Start isEmpty. Operand 8770 states and 21984 transitions. [2021-07-13 19:58:45,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-07-13 19:58:45,121 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:58:45,121 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:58:45,321 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable746,93 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:58:45,322 INFO L430 AbstractCegarLoop]: === Iteration 98 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:58:45,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:58:45,322 INFO L82 PathProgramCache]: Analyzing trace with hash 290495666, now seen corresponding path program 93 times [2021-07-13 19:58:45,322 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:58:45,322 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491455476] [2021-07-13 19:58:45,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:58:45,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:58:45,388 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 27 proven. 33 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:58:45,388 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:58:45,388 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491455476] [2021-07-13 19:58:45,388 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491455476] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:58:45,388 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1329418726] [2021-07-13 19:58:45,388 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 [2021-07-13 19:58:45,417 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-07-13 19:58:45,417 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:58:45,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-13 19:58:45,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:58:45,679 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 24 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:58:45,679 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1329418726] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:58:45,679 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:58:45,679 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 15] total 24 [2021-07-13 19:58:45,679 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434936178] [2021-07-13 19:58:45,679 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-13 19:58:45,679 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:58:45,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-13 19:58:45,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=482, Unknown=0, NotChecked=0, Total=600 [2021-07-13 19:58:45,680 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) [2021-07-13 19:58:47,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:58:47,018 INFO L93 Difference]: Finished difference Result 9544 states and 23558 transitions. [2021-07-13 19:58:47,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-13 19:58:47,019 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 [2021-07-13 19:58:47,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:58:47,033 INFO L225 Difference]: With dead ends: 9544 [2021-07-13 19:58:47,033 INFO L226 Difference]: Without dead ends: 9526 [2021-07-13 19:58:47,033 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2221 ImplicationChecksByTransitivity, 1138.8ms TimeCoverageRelationStatistics Valid=1407, Invalid=4913, Unknown=0, NotChecked=0, Total=6320 [2021-07-13 19:58:47,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9526 states. [2021-07-13 19:58:47,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9526 to 8902. [2021-07-13 19:58:47,156 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) [2021-07-13 19:58:47,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8902 states to 8902 states and 22342 transitions. [2021-07-13 19:58:47,172 INFO L78 Accepts]: Start accepts. Automaton has 8902 states and 22342 transitions. Word has length 36 [2021-07-13 19:58:47,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:58:47,173 INFO L482 AbstractCegarLoop]: Abstraction has 8902 states and 22342 transitions. [2021-07-13 19:58:47,173 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) [2021-07-13 19:58:47,173 INFO L276 IsEmpty]: Start isEmpty. Operand 8902 states and 22342 transitions. [2021-07-13 19:58:47,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-07-13 19:58:47,179 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:58:47,179 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:58:47,379 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 94 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable747 [2021-07-13 19:58:47,380 INFO L430 AbstractCegarLoop]: === Iteration 99 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:58:47,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:58:47,380 INFO L82 PathProgramCache]: Analyzing trace with hash 766378614, now seen corresponding path program 94 times [2021-07-13 19:58:47,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:58:47,380 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786642677] [2021-07-13 19:58:47,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:58:47,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:58:47,472 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 20 proven. 40 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:58:47,472 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:58:47,472 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786642677] [2021-07-13 19:58:47,472 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786642677] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:58:47,472 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1672461211] [2021-07-13 19:58:47,472 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 [2021-07-13 19:58:47,498 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 19:58:47,498 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:58:47,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-13 19:58:47,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:58:47,724 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 20 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:58:47,724 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1672461211] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:58:47,724 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:58:47,724 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 15] total 24 [2021-07-13 19:58:47,724 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495844607] [2021-07-13 19:58:47,724 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-13 19:58:47,724 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:58:47,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-13 19:58:47,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=489, Unknown=0, NotChecked=0, Total=600 [2021-07-13 19:58:47,725 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) [2021-07-13 19:58:49,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:58:49,736 INFO L93 Difference]: Finished difference Result 15319 states and 37889 transitions. [2021-07-13 19:58:49,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-07-13 19:58:49,740 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 [2021-07-13 19:58:49,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:58:49,768 INFO L225 Difference]: With dead ends: 15319 [2021-07-13 19:58:49,769 INFO L226 Difference]: Without dead ends: 15319 [2021-07-13 19:58:49,770 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4780 ImplicationChecksByTransitivity, 1743.6ms TimeCoverageRelationStatistics Valid=3440, Invalid=8770, Unknown=0, NotChecked=0, Total=12210 [2021-07-13 19:58:49,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15319 states. [2021-07-13 19:58:50,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15319 to 13330. [2021-07-13 19:58:50,040 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) [2021-07-13 19:58:50,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13330 states to 13330 states and 33712 transitions. [2021-07-13 19:58:50,067 INFO L78 Accepts]: Start accepts. Automaton has 13330 states and 33712 transitions. Word has length 36 [2021-07-13 19:58:50,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:58:50,067 INFO L482 AbstractCegarLoop]: Abstraction has 13330 states and 33712 transitions. [2021-07-13 19:58:50,067 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) [2021-07-13 19:58:50,067 INFO L276 IsEmpty]: Start isEmpty. Operand 13330 states and 33712 transitions. [2021-07-13 19:58:50,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-07-13 19:58:50,076 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:58:50,076 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:58:50,276 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable748,95 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:58:50,277 INFO L430 AbstractCegarLoop]: === Iteration 100 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:58:50,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:58:50,277 INFO L82 PathProgramCache]: Analyzing trace with hash -1179642020, now seen corresponding path program 95 times [2021-07-13 19:58:50,277 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:58:50,277 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554952968] [2021-07-13 19:58:50,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:58:50,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:58:50,360 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 31 proven. 29 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:58:50,360 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:58:50,360 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554952968] [2021-07-13 19:58:50,361 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554952968] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:58:50,361 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [791828379] [2021-07-13 19:58:50,361 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 [2021-07-13 19:58:50,408 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-07-13 19:58:50,408 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:58:50,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-13 19:58:50,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:58:50,633 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 27 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:58:50,633 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [791828379] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:58:50,633 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:58:50,633 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 15] total 23 [2021-07-13 19:58:50,633 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368501704] [2021-07-13 19:58:50,634 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-13 19:58:50,634 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:58:50,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-13 19:58:50,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=443, Unknown=0, NotChecked=0, Total=552 [2021-07-13 19:58:50,634 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) [2021-07-13 19:58:51,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:58:51,901 INFO L93 Difference]: Finished difference Result 14924 states and 36958 transitions. [2021-07-13 19:58:51,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-07-13 19:58:51,902 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 [2021-07-13 19:58:51,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:58:51,927 INFO L225 Difference]: With dead ends: 14924 [2021-07-13 19:58:51,928 INFO L226 Difference]: Without dead ends: 14920 [2021-07-13 19:58:51,929 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2102 ImplicationChecksByTransitivity, 1076.4ms TimeCoverageRelationStatistics Valid=1750, Invalid=4570, Unknown=0, NotChecked=0, Total=6320 [2021-07-13 19:58:51,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14920 states. [2021-07-13 19:58:52,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14920 to 13086. [2021-07-13 19:58:52,143 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) [2021-07-13 19:58:52,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13086 states to 13086 states and 33050 transitions. [2021-07-13 19:58:52,169 INFO L78 Accepts]: Start accepts. Automaton has 13086 states and 33050 transitions. Word has length 36 [2021-07-13 19:58:52,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:58:52,169 INFO L482 AbstractCegarLoop]: Abstraction has 13086 states and 33050 transitions. [2021-07-13 19:58:52,169 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:58:52,169 INFO L276 IsEmpty]: Start isEmpty. Operand 13086 states and 33050 transitions. [2021-07-13 19:58:52,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-07-13 19:58:52,178 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:58:52,178 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:58:52,378 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable749,96 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:58:52,378 INFO L430 AbstractCegarLoop]: === Iteration 101 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:58:52,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:58:52,455 INFO L82 PathProgramCache]: Analyzing trace with hash -1685988286, now seen corresponding path program 96 times [2021-07-13 19:58:52,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:58:52,455 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522553809] [2021-07-13 19:58:52,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:58:52,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:58:52,525 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 26 proven. 34 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:58:52,525 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:58:52,526 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522553809] [2021-07-13 19:58:52,526 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522553809] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:58:52,526 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [761769452] [2021-07-13 19:58:52,526 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 [2021-07-13 19:58:52,552 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-13 19:58:52,553 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:58:52,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-13 19:58:52,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:58:52,775 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 23 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:58:52,775 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [761769452] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:58:52,775 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:58:52,775 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 15] total 24 [2021-07-13 19:58:52,775 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406686546] [2021-07-13 19:58:52,775 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-13 19:58:52,775 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:58:52,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-13 19:58:52,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=491, Unknown=0, NotChecked=0, Total=600 [2021-07-13 19:58:52,776 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) [2021-07-13 19:58:53,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:58:53,993 INFO L93 Difference]: Finished difference Result 15282 states and 37884 transitions. [2021-07-13 19:58:53,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-13 19:58:53,994 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 [2021-07-13 19:58:53,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:58:54,022 INFO L225 Difference]: With dead ends: 15282 [2021-07-13 19:58:54,023 INFO L226 Difference]: Without dead ends: 15270 [2021-07-13 19:58:54,024 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2023 ImplicationChecksByTransitivity, 1045.8ms TimeCoverageRelationStatistics Valid=1595, Invalid=4567, Unknown=0, NotChecked=0, Total=6162 [2021-07-13 19:58:54,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15270 states. [2021-07-13 19:58:54,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15270 to 13017. [2021-07-13 19:58:54,275 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) [2021-07-13 19:58:54,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13017 states to 13017 states and 32908 transitions. [2021-07-13 19:58:54,302 INFO L78 Accepts]: Start accepts. Automaton has 13017 states and 32908 transitions. Word has length 36 [2021-07-13 19:58:54,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:58:54,302 INFO L482 AbstractCegarLoop]: Abstraction has 13017 states and 32908 transitions. [2021-07-13 19:58:54,302 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) [2021-07-13 19:58:54,302 INFO L276 IsEmpty]: Start isEmpty. Operand 13017 states and 32908 transitions. [2021-07-13 19:58:54,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-07-13 19:58:54,311 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:58:54,311 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:58:54,511 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 97 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable750 [2021-07-13 19:58:54,511 INFO L430 AbstractCegarLoop]: === Iteration 102 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:58:54,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:58:54,511 INFO L82 PathProgramCache]: Analyzing trace with hash -1913209666, now seen corresponding path program 97 times [2021-07-13 19:58:54,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:58:54,512 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401059885] [2021-07-13 19:58:54,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:58:54,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:58:54,589 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 21 proven. 39 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:58:54,589 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:58:54,589 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401059885] [2021-07-13 19:58:54,589 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401059885] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:58:54,589 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [494180634] [2021-07-13 19:58:54,590 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 [2021-07-13 19:58:54,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:58:54,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-13 19:58:54,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:58:54,848 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 19 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:58:54,848 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [494180634] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:58:54,848 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:58:54,848 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15] total 25 [2021-07-13 19:58:54,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401044018] [2021-07-13 19:58:54,849 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-13 19:58:54,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:58:54,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-13 19:58:54,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=536, Unknown=0, NotChecked=0, Total=650 [2021-07-13 19:58:54,849 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) [2021-07-13 19:58:56,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:58:56,137 INFO L93 Difference]: Finished difference Result 16039 states and 39737 transitions. [2021-07-13 19:58:56,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-13 19:58:56,137 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 [2021-07-13 19:58:56,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:58:56,166 INFO L225 Difference]: With dead ends: 16039 [2021-07-13 19:58:56,166 INFO L226 Difference]: Without dead ends: 16019 [2021-07-13 19:58:56,167 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2051 ImplicationChecksByTransitivity, 1082.5ms TimeCoverageRelationStatistics Valid=1551, Invalid=4769, Unknown=0, NotChecked=0, Total=6320 [2021-07-13 19:58:56,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16019 states. [2021-07-13 19:58:56,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16019 to 13397. [2021-07-13 19:58:56,423 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) [2021-07-13 19:58:56,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13397 states to 13397 states and 33927 transitions. [2021-07-13 19:58:56,453 INFO L78 Accepts]: Start accepts. Automaton has 13397 states and 33927 transitions. Word has length 36 [2021-07-13 19:58:56,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:58:56,453 INFO L482 AbstractCegarLoop]: Abstraction has 13397 states and 33927 transitions. [2021-07-13 19:58:56,453 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) [2021-07-13 19:58:56,453 INFO L276 IsEmpty]: Start isEmpty. Operand 13397 states and 33927 transitions. [2021-07-13 19:58:56,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-07-13 19:58:56,462 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:58:56,462 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:58:56,663 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 98 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable751 [2021-07-13 19:58:56,663 INFO L430 AbstractCegarLoop]: === Iteration 103 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:58:56,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:58:56,663 INFO L82 PathProgramCache]: Analyzing trace with hash -1229623750, now seen corresponding path program 98 times [2021-07-13 19:58:56,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:58:56,663 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081505800] [2021-07-13 19:58:56,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:58:56,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:58:56,758 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 20 proven. 40 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:58:56,758 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:58:56,758 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081505800] [2021-07-13 19:58:56,758 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081505800] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:58:56,758 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1810172273] [2021-07-13 19:58:56,758 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 [2021-07-13 19:58:56,784 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 19:58:56,784 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:58:56,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-13 19:58:56,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:58:57,019 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 19 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:58:57,019 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1810172273] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:58:57,019 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:58:57,019 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15] total 26 [2021-07-13 19:58:57,019 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424375899] [2021-07-13 19:58:57,019 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-13 19:58:57,019 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:58:57,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-13 19:58:57,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=579, Unknown=0, NotChecked=0, Total=702 [2021-07-13 19:58:57,020 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) [2021-07-13 19:58:58,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:58:58,367 INFO L93 Difference]: Finished difference Result 17468 states and 43250 transitions. [2021-07-13 19:58:58,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-07-13 19:58:58,368 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 [2021-07-13 19:58:58,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:58:58,398 INFO L225 Difference]: With dead ends: 17468 [2021-07-13 19:58:58,398 INFO L226 Difference]: Without dead ends: 17440 [2021-07-13 19:58:58,399 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2204 ImplicationChecksByTransitivity, 1166.9ms TimeCoverageRelationStatistics Valid=1619, Invalid=5187, Unknown=0, NotChecked=0, Total=6806 [2021-07-13 19:58:58,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17440 states. [2021-07-13 19:58:58,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17440 to 15583. [2021-07-13 19:58:58,694 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) [2021-07-13 19:58:58,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15583 states to 15583 states and 39517 transitions. [2021-07-13 19:58:58,727 INFO L78 Accepts]: Start accepts. Automaton has 15583 states and 39517 transitions. Word has length 36 [2021-07-13 19:58:58,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:58:58,727 INFO L482 AbstractCegarLoop]: Abstraction has 15583 states and 39517 transitions. [2021-07-13 19:58:58,727 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 2.2962962962962963) internal successors, (62), 26 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:58:58,727 INFO L276 IsEmpty]: Start isEmpty. Operand 15583 states and 39517 transitions. [2021-07-13 19:58:58,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-07-13 19:58:58,738 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:58:58,738 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:58:58,938 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable752,99 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:58:58,939 INFO L430 AbstractCegarLoop]: === Iteration 104 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:58:58,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:58:58,939 INFO L82 PathProgramCache]: Analyzing trace with hash -1433554762, now seen corresponding path program 99 times [2021-07-13 19:58:58,939 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:58:58,939 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420606144] [2021-07-13 19:58:58,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:58:58,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:58:59,055 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 23 proven. 37 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:58:59,056 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:58:59,056 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420606144] [2021-07-13 19:58:59,056 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420606144] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:58:59,056 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1037661990] [2021-07-13 19:58:59,056 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 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 [2021-07-13 19:58:59,083 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-07-13 19:58:59,084 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:58:59,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-13 19:58:59,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:58:59,323 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 23 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:58:59,324 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1037661990] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:58:59,324 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:58:59,324 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 27 [2021-07-13 19:58:59,324 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431364683] [2021-07-13 19:58:59,324 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-13 19:58:59,324 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:58:59,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-13 19:58:59,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=620, Unknown=0, NotChecked=0, Total=756 [2021-07-13 19:58:59,325 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) [2021-07-13 19:59:00,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:59:00,746 INFO L93 Difference]: Finished difference Result 20026 states and 49571 transitions. [2021-07-13 19:59:00,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-13 19:59:00,747 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 [2021-07-13 19:59:00,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:59:00,786 INFO L225 Difference]: With dead ends: 20026 [2021-07-13 19:59:00,786 INFO L226 Difference]: Without dead ends: 19990 [2021-07-13 19:59:00,788 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2515 ImplicationChecksByTransitivity, 1291.8ms TimeCoverageRelationStatistics Valid=1799, Invalid=5857, Unknown=0, NotChecked=0, Total=7656 [2021-07-13 19:59:00,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19990 states. [2021-07-13 19:59:01,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19990 to 17983. [2021-07-13 19:59:01,160 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) [2021-07-13 19:59:01,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17983 states to 17983 states and 45560 transitions. [2021-07-13 19:59:01,200 INFO L78 Accepts]: Start accepts. Automaton has 17983 states and 45560 transitions. Word has length 36 [2021-07-13 19:59:01,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:59:01,200 INFO L482 AbstractCegarLoop]: Abstraction has 17983 states and 45560 transitions. [2021-07-13 19:59:01,200 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 2.2142857142857144) internal successors, (62), 27 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:59:01,200 INFO L276 IsEmpty]: Start isEmpty. Operand 17983 states and 45560 transitions. [2021-07-13 19:59:01,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-07-13 19:59:01,213 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:59:01,213 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:59:01,413 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 100 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable753 [2021-07-13 19:59:01,413 INFO L430 AbstractCegarLoop]: === Iteration 105 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:59:01,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:59:01,414 INFO L82 PathProgramCache]: Analyzing trace with hash 157238322, now seen corresponding path program 100 times [2021-07-13 19:59:01,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:59:01,414 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081712023] [2021-07-13 19:59:01,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:59:01,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:59:01,517 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 31 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:59:01,517 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:59:01,517 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081712023] [2021-07-13 19:59:01,518 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081712023] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:59:01,518 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1490070689] [2021-07-13 19:59:01,518 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 [2021-07-13 19:59:01,543 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 19:59:01,543 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:59:01,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-13 19:59:01,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:59:01,792 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 31 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:59:01,793 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1490070689] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:59:01,793 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:59:01,793 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2021-07-13 19:59:01,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775461335] [2021-07-13 19:59:01,793 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-13 19:59:01,793 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:59:01,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-13 19:59:01,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=659, Unknown=0, NotChecked=0, Total=812 [2021-07-13 19:59:01,794 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) [2021-07-13 19:59:03,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:59:03,331 INFO L93 Difference]: Finished difference Result 19957 states and 49654 transitions. [2021-07-13 19:59:03,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-07-13 19:59:03,331 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 [2021-07-13 19:59:03,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:59:03,370 INFO L225 Difference]: With dead ends: 19957 [2021-07-13 19:59:03,370 INFO L226 Difference]: Without dead ends: 19913 [2021-07-13 19:59:03,371 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3033 ImplicationChecksByTransitivity, 1423.4ms TimeCoverageRelationStatistics Valid=2089, Invalid=6841, Unknown=0, NotChecked=0, Total=8930 [2021-07-13 19:59:03,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19913 states. [2021-07-13 19:59:03,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19913 to 18106. [2021-07-13 19:59:03,820 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) [2021-07-13 19:59:03,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18106 states to 18106 states and 45968 transitions. [2021-07-13 19:59:03,873 INFO L78 Accepts]: Start accepts. Automaton has 18106 states and 45968 transitions. Word has length 36 [2021-07-13 19:59:03,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:59:03,873 INFO L482 AbstractCegarLoop]: Abstraction has 18106 states and 45968 transitions. [2021-07-13 19:59:03,873 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) [2021-07-13 19:59:03,873 INFO L276 IsEmpty]: Start isEmpty. Operand 18106 states and 45968 transitions. [2021-07-13 19:59:03,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-07-13 19:59:03,890 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:59:03,892 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:59:04,108 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable754,101 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:59:04,108 INFO L430 AbstractCegarLoop]: === Iteration 106 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:59:04,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:59:04,109 INFO L82 PathProgramCache]: Analyzing trace with hash -380198988, now seen corresponding path program 101 times [2021-07-13 19:59:04,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:59:04,109 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395763474] [2021-07-13 19:59:04,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:59:04,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:59:04,154 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:59:04,154 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:59:04,154 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395763474] [2021-07-13 19:59:04,154 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395763474] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:59:04,155 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [973010771] [2021-07-13 19:59:04,155 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 [2021-07-13 19:59:04,182 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-07-13 19:59:04,183 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:59:04,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 43 conjunts are in the unsatisfiable core [2021-07-13 19:59:04,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:59:04,434 INFO L354 Elim1Store]: treesize reduction 96, result has 43.2 percent of original size [2021-07-13 19:59:04,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2021-07-13 19:59:05,280 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 19:59:05,316 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:59:05,706 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 19:59:05,706 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:163, output treesize:285 [2021-07-13 19:59:06,483 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2021-07-13 19:59:06,623 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 181 [2021-07-13 19:59:08,463 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2021-07-13 19:59:08,691 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 181 [2021-07-13 19:59:11,423 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 324 DAG size of output: 48 [2021-07-13 19:59:11,749 INFO L354 Elim1Store]: treesize reduction 101, result has 16.5 percent of original size [2021-07-13 19:59:11,750 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 156 treesize of output 76 [2021-07-13 19:59:11,752 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:59:11,867 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 85 [2021-07-13 19:59:11,868 INFO L628 ElimStorePlain]: treesize reduction 440, result has 43.3 percent of original size [2021-07-13 19:59:11,910 INFO L354 Elim1Store]: treesize reduction 94, result has 22.3 percent of original size [2021-07-13 19:59:11,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 19:59:11,912 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 19:59:11,949 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:59:11,979 INFO L354 Elim1Store]: treesize reduction 111, result has 8.3 percent of original size [2021-07-13 19:59:11,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 19:59:11,980 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 19:59:12,012 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:59:12,042 INFO L354 Elim1Store]: treesize reduction 108, result has 10.7 percent of original size [2021-07-13 19:59:12,042 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 55 treesize of output 40 [2021-07-13 19:59:12,043 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 19:59:12,071 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:59:12,105 INFO L354 Elim1Store]: treesize reduction 103, result has 14.9 percent of original size [2021-07-13 19:59:12,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 19:59:12,106 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 19:59:12,131 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:59:12,199 INFO L354 Elim1Store]: treesize reduction 60, result has 50.4 percent of original size [2021-07-13 19:59:12,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 19:59:12,202 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 19:59:12,210 INFO L628 ElimStorePlain]: treesize reduction 38, result has 7.3 percent of original size [2021-07-13 19:59:12,211 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 6 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:59:12,211 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 12 variables, input treesize:920, output treesize:3 [2021-07-13 19:59:12,216 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:59:12,216 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [973010771] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:59:12,216 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:59:12,216 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 14] total 20 [2021-07-13 19:59:12,216 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802431338] [2021-07-13 19:59:12,216 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-13 19:59:12,217 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:59:12,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-13 19:59:12,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2021-07-13 19:59:12,217 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) [2021-07-13 19:59:12,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:59:12,802 INFO L93 Difference]: Finished difference Result 20298 states and 51395 transitions. [2021-07-13 19:59:12,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-13 19:59:12,803 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 [2021-07-13 19:59:12,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:59:12,838 INFO L225 Difference]: With dead ends: 20298 [2021-07-13 19:59:12,838 INFO L226 Difference]: Without dead ends: 20291 [2021-07-13 19:59:12,839 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 32 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 3952.8ms TimeCoverageRelationStatistics Valid=65, Invalid=441, Unknown=0, NotChecked=0, Total=506 [2021-07-13 19:59:12,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20291 states. [2021-07-13 19:59:13,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20291 to 19572. [2021-07-13 19:59:13,154 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) [2021-07-13 19:59:13,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19572 states to 19572 states and 49819 transitions. [2021-07-13 19:59:13,194 INFO L78 Accepts]: Start accepts. Automaton has 19572 states and 49819 transitions. Word has length 38 [2021-07-13 19:59:13,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:59:13,194 INFO L482 AbstractCegarLoop]: Abstraction has 19572 states and 49819 transitions. [2021-07-13 19:59:13,194 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) [2021-07-13 19:59:13,194 INFO L276 IsEmpty]: Start isEmpty. Operand 19572 states and 49819 transitions. [2021-07-13 19:59:13,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-07-13 19:59:13,207 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:59:13,208 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:59:13,409 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 102 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable755 [2021-07-13 19:59:13,409 INFO L430 AbstractCegarLoop]: === Iteration 107 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:59:13,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:59:13,410 INFO L82 PathProgramCache]: Analyzing trace with hash 1616439732, now seen corresponding path program 102 times [2021-07-13 19:59:13,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:59:13,410 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069441250] [2021-07-13 19:59:13,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:59:13,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:59:13,527 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-13 19:59:13,527 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:59:13,527 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069441250] [2021-07-13 19:59:13,528 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069441250] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:59:13,528 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [584185583] [2021-07-13 19:59:13,528 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 [2021-07-13 19:59:13,579 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-07-13 19:59:13,580 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:59:13,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 47 conjunts are in the unsatisfiable core [2021-07-13 19:59:13,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:59:13,806 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2021-07-13 19:59:14,018 INFO L446 ElimStorePlain]: Different costs {15=[f], 55=[f_inv]} [2021-07-13 19:59:14,080 INFO L354 Elim1Store]: treesize reduction 48, result has 60.3 percent of original size [2021-07-13 19:59:14,081 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 201 treesize of output 158 [2021-07-13 19:59:16,120 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 19:59:16,158 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:59:16,212 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:59:16,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 19:59:16,278 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 19:59:16,280 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:59:16,290 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:59:16,290 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:201, output treesize:3 [2021-07-13 19:59:16,298 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:59:16,299 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [584185583] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:59:16,299 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:59:16,299 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 14] total 20 [2021-07-13 19:59:16,299 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262401120] [2021-07-13 19:59:16,299 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-13 19:59:16,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:59:16,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-13 19:59:16,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2021-07-13 19:59:16,299 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) [2021-07-13 19:59:16,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:59:16,504 INFO L93 Difference]: Finished difference Result 20658 states and 52485 transitions. [2021-07-13 19:59:16,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 19:59:16,505 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 [2021-07-13 19:59:16,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:59:16,544 INFO L225 Difference]: With dead ends: 20658 [2021-07-13 19:59:16,545 INFO L226 Difference]: Without dead ends: 20649 [2021-07-13 19:59:16,545 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 275.5ms TimeCoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2021-07-13 19:59:16,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20649 states. [2021-07-13 19:59:16,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20649 to 20358. [2021-07-13 19:59:16,915 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) [2021-07-13 19:59:16,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20358 states to 20358 states and 51975 transitions. [2021-07-13 19:59:16,962 INFO L78 Accepts]: Start accepts. Automaton has 20358 states and 51975 transitions. Word has length 38 [2021-07-13 19:59:16,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:59:16,962 INFO L482 AbstractCegarLoop]: Abstraction has 20358 states and 51975 transitions. [2021-07-13 19:59:16,963 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) [2021-07-13 19:59:16,963 INFO L276 IsEmpty]: Start isEmpty. Operand 20358 states and 51975 transitions. [2021-07-13 19:59:16,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-07-13 19:59:16,977 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:59:16,978 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:59:17,180 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1616,103 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:59:17,180 INFO L430 AbstractCegarLoop]: === Iteration 108 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:59:17,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:59:17,180 INFO L82 PathProgramCache]: Analyzing trace with hash 945582004, now seen corresponding path program 103 times [2021-07-13 19:59:17,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:59:17,181 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047156868] [2021-07-13 19:59:17,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:59:17,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:59:17,230 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-13 19:59:17,230 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:59:17,230 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047156868] [2021-07-13 19:59:17,230 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047156868] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:59:17,230 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1255725333] [2021-07-13 19:59:17,230 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 [2021-07-13 19:59:17,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:59:17,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 39 conjunts are in the unsatisfiable core [2021-07-13 19:59:17,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:59:17,562 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 59 [2021-07-13 19:59:17,563 INFO L354 Elim1Store]: treesize reduction 301, result has 33.0 percent of original size [2021-07-13 19:59:17,563 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 [2021-07-13 19:59:17,566 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:59:17,600 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:59:17,601 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:59:17,601 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:158, output treesize:232 [2021-07-13 19:59:17,671 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2021-07-13 19:59:17,870 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 42 [2021-07-13 19:59:17,890 INFO L446 ElimStorePlain]: Different costs {3=[v_prenex_87], 6=[v_prenex_88], 10=[f], 15=[v_prenex_89]} [2021-07-13 19:59:17,903 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:59:17,903 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 37 [2021-07-13 19:59:17,910 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:59:17,920 INFO L628 ElimStorePlain]: treesize reduction 180, result has 1.6 percent of original size [2021-07-13 19:59:17,920 INFO L518 ElimStorePlain]: Eliminatee v_prenex_88 vanished before elimination [2021-07-13 19:59:17,920 INFO L518 ElimStorePlain]: Eliminatee f vanished before elimination [2021-07-13 19:59:17,920 INFO L518 ElimStorePlain]: Eliminatee v_prenex_89 vanished before elimination [2021-07-13 19:59:17,921 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:59:17,921 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:199, output treesize:3 [2021-07-13 19:59:17,931 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:59:17,932 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1255725333] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:59:17,932 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:59:17,932 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 14] total 20 [2021-07-13 19:59:17,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920537916] [2021-07-13 19:59:17,932 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-13 19:59:17,932 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:59:17,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-13 19:59:17,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-07-13 19:59:17,933 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) [2021-07-13 19:59:18,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:59:18,307 INFO L93 Difference]: Finished difference Result 21714 states and 55240 transitions. [2021-07-13 19:59:18,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 19:59:18,307 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 [2021-07-13 19:59:18,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:59:18,352 INFO L225 Difference]: With dead ends: 21714 [2021-07-13 19:59:18,353 INFO L226 Difference]: Without dead ends: 21689 [2021-07-13 19:59:18,353 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 384.1ms TimeCoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-07-13 19:59:18,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21689 states. [2021-07-13 19:59:18,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21689 to 20898. [2021-07-13 19:59:18,708 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) [2021-07-13 19:59:18,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20898 states to 20898 states and 53495 transitions. [2021-07-13 19:59:18,758 INFO L78 Accepts]: Start accepts. Automaton has 20898 states and 53495 transitions. Word has length 38 [2021-07-13 19:59:18,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:59:18,758 INFO L482 AbstractCegarLoop]: Abstraction has 20898 states and 53495 transitions. [2021-07-13 19:59:18,758 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) [2021-07-13 19:59:18,758 INFO L276 IsEmpty]: Start isEmpty. Operand 20898 states and 53495 transitions. [2021-07-13 19:59:18,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-07-13 19:59:18,773 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:59:18,773 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:59:18,974 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 104 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2397 [2021-07-13 19:59:18,974 INFO L430 AbstractCegarLoop]: === Iteration 109 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:59:18,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:59:18,975 INFO L82 PathProgramCache]: Analyzing trace with hash 496399796, now seen corresponding path program 104 times [2021-07-13 19:59:18,975 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:59:18,975 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273385939] [2021-07-13 19:59:18,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:59:18,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:59:19,042 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-13 19:59:19,042 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:59:19,042 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273385939] [2021-07-13 19:59:19,042 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273385939] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:59:19,042 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [827654048] [2021-07-13 19:59:19,042 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 [2021-07-13 19:59:19,071 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 19:59:19,071 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:59:19,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 39 conjunts are in the unsatisfiable core [2021-07-13 19:59:19,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:59:19,351 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 57 [2021-07-13 19:59:19,352 INFO L354 Elim1Store]: treesize reduction 186, result has 39.8 percent of original size [2021-07-13 19:59:19,352 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 [2021-07-13 19:59:19,356 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:59:19,395 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:59:19,396 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:59:19,396 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:160, output treesize:186 [2021-07-13 19:59:19,485 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2021-07-13 19:59:19,702 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 42 [2021-07-13 19:59:19,781 INFO L446 ElimStorePlain]: Different costs {3=[v_prenex_90], 6=[v_prenex_92], 10=[f], 15=[v_prenex_91]} [2021-07-13 19:59:19,793 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:59:19,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 37 [2021-07-13 19:59:19,805 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:59:19,811 INFO L628 ElimStorePlain]: treesize reduction 162, result has 1.8 percent of original size [2021-07-13 19:59:19,811 INFO L518 ElimStorePlain]: Eliminatee v_prenex_92 vanished before elimination [2021-07-13 19:59:19,811 INFO L518 ElimStorePlain]: Eliminatee f vanished before elimination [2021-07-13 19:59:19,812 INFO L518 ElimStorePlain]: Eliminatee v_prenex_91 vanished before elimination [2021-07-13 19:59:19,812 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:59:19,812 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:181, output treesize:3 [2021-07-13 19:59:19,820 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:59:19,821 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [827654048] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:59:19,821 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:59:19,821 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 14] total 20 [2021-07-13 19:59:19,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644361022] [2021-07-13 19:59:19,821 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-13 19:59:19,821 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:59:19,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-13 19:59:19,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2021-07-13 19:59:19,821 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) [2021-07-13 19:59:20,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:59:20,211 INFO L93 Difference]: Finished difference Result 22481 states and 57375 transitions. [2021-07-13 19:59:20,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 19:59:20,212 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 [2021-07-13 19:59:20,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:59:20,251 INFO L225 Difference]: With dead ends: 22481 [2021-07-13 19:59:20,251 INFO L226 Difference]: Without dead ends: 22452 [2021-07-13 19:59:20,251 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 411.9ms TimeCoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2021-07-13 19:59:20,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22452 states. [2021-07-13 19:59:20,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22452 to 21528. [2021-07-13 19:59:20,711 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) [2021-07-13 19:59:20,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21528 states to 21528 states and 55246 transitions. [2021-07-13 19:59:20,761 INFO L78 Accepts]: Start accepts. Automaton has 21528 states and 55246 transitions. Word has length 38 [2021-07-13 19:59:20,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:59:20,761 INFO L482 AbstractCegarLoop]: Abstraction has 21528 states and 55246 transitions. [2021-07-13 19:59:20,761 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) [2021-07-13 19:59:20,761 INFO L276 IsEmpty]: Start isEmpty. Operand 21528 states and 55246 transitions. [2021-07-13 19:59:20,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-07-13 19:59:20,780 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:59:20,780 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:59:20,980 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 105 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2408 [2021-07-13 19:59:20,980 INFO L430 AbstractCegarLoop]: === Iteration 110 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:59:20,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:59:20,981 INFO L82 PathProgramCache]: Analyzing trace with hash -1670972492, now seen corresponding path program 105 times [2021-07-13 19:59:20,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:59:20,981 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769798338] [2021-07-13 19:59:20,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:59:20,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:59:21,034 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-13 19:59:21,034 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:59:21,034 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769798338] [2021-07-13 19:59:21,034 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769798338] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:59:21,035 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [275776717] [2021-07-13 19:59:21,035 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 [2021-07-13 19:59:21,073 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-07-13 19:59:21,073 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:59:21,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 45 conjunts are in the unsatisfiable core [2021-07-13 19:59:21,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:59:21,351 INFO L446 ElimStorePlain]: Different costs {28=[f_inv], 36=[f]} [2021-07-13 19:59:21,443 INFO L354 Elim1Store]: treesize reduction 167, result has 37.5 percent of original size [2021-07-13 19:59:21,444 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 [2021-07-13 19:59:21,624 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 19:59:21,659 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:59:21,708 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:59:21,709 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 10 new quantified variables, introduced 15 case distinctions, treesize of input 191 treesize of output 211 [2021-07-13 19:59:21,987 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 19:59:21,988 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:59:21,988 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:59:21,988 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:213, output treesize:3 [2021-07-13 19:59:21,997 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:59:21,997 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [275776717] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:59:21,997 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:59:21,997 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 14] total 20 [2021-07-13 19:59:21,997 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356723423] [2021-07-13 19:59:21,997 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-13 19:59:21,997 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:59:21,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-13 19:59:21,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2021-07-13 19:59:21,998 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) [2021-07-13 19:59:22,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:59:22,283 INFO L93 Difference]: Finished difference Result 23080 states and 59124 transitions. [2021-07-13 19:59:22,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 19:59:22,284 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 [2021-07-13 19:59:22,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:59:22,418 INFO L225 Difference]: With dead ends: 23080 [2021-07-13 19:59:22,419 INFO L226 Difference]: Without dead ends: 23054 [2021-07-13 19:59:22,419 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 256.5ms TimeCoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2021-07-13 19:59:22,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23054 states. [2021-07-13 19:59:22,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23054 to 22204. [2021-07-13 19:59:22,783 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) [2021-07-13 19:59:22,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22204 states to 22204 states and 57118 transitions. [2021-07-13 19:59:22,833 INFO L78 Accepts]: Start accepts. Automaton has 22204 states and 57118 transitions. Word has length 38 [2021-07-13 19:59:22,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:59:22,833 INFO L482 AbstractCegarLoop]: Abstraction has 22204 states and 57118 transitions. [2021-07-13 19:59:22,833 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) [2021-07-13 19:59:22,833 INFO L276 IsEmpty]: Start isEmpty. Operand 22204 states and 57118 transitions. [2021-07-13 19:59:22,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-07-13 19:59:22,852 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:59:22,852 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:59:23,053 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 106 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2423 [2021-07-13 19:59:23,053 INFO L430 AbstractCegarLoop]: === Iteration 111 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:59:23,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:59:23,054 INFO L82 PathProgramCache]: Analyzing trace with hash -1456602700, now seen corresponding path program 106 times [2021-07-13 19:59:23,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:59:23,054 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787412351] [2021-07-13 19:59:23,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:59:23,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:59:23,096 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-13 19:59:23,096 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:59:23,096 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787412351] [2021-07-13 19:59:23,096 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787412351] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:59:23,096 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1332693268] [2021-07-13 19:59:23,096 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 [2021-07-13 19:59:23,123 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 19:59:23,123 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:59:23,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 39 conjunts are in the unsatisfiable core [2021-07-13 19:59:23,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:59:23,295 INFO L354 Elim1Store]: treesize reduction 48, result has 63.4 percent of original size [2021-07-13 19:59:23,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 19:59:23,298 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:59:23,334 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:59:23,335 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:59:23,335 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:140, output treesize:284 [2021-07-13 19:59:23,753 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2021-07-13 19:59:24,038 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 181 [2021-07-13 19:59:26,242 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 324 DAG size of output: 48 [2021-07-13 19:59:26,873 INFO L446 ElimStorePlain]: Different costs {10=[f], 15=[v_prenex_107, v_prenex_103, v_prenex_104, v_prenex_105, v_prenex_106]} [2021-07-13 19:59:26,882 INFO L354 Elim1Store]: treesize reduction 80, result has 1.2 percent of original size [2021-07-13 19:59:26,882 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 [2021-07-13 19:59:26,883 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:59:27,009 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 82 [2021-07-13 19:59:27,009 INFO L628 ElimStorePlain]: treesize reduction 447, result has 42.9 percent of original size [2021-07-13 19:59:27,044 INFO L354 Elim1Store]: treesize reduction 57, result has 29.6 percent of original size [2021-07-13 19:59:27,044 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 [2021-07-13 19:59:27,046 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 19:59:27,084 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:59:27,160 INFO L354 Elim1Store]: treesize reduction 60, result has 50.4 percent of original size [2021-07-13 19:59:27,160 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 10 new quantified variables, introduced 15 case distinctions, treesize of input 87 treesize of output 99 [2021-07-13 19:59:27,165 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 19:59:27,202 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:59:27,222 INFO L354 Elim1Store]: treesize reduction 74, result has 8.6 percent of original size [2021-07-13 19:59:27,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 [2021-07-13 19:59:27,224 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 19:59:27,250 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:59:27,295 INFO L354 Elim1Store]: treesize reduction 44, result has 45.7 percent of original size [2021-07-13 19:59:27,295 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 [2021-07-13 19:59:27,297 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 19:59:27,320 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:59:27,355 INFO L354 Elim1Store]: treesize reduction 103, result has 14.9 percent of original size [2021-07-13 19:59:27,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2021-07-13 19:59:27,357 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 19:59:27,377 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:59:27,379 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 6 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:59:27,379 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 12 variables, input treesize:936, output treesize:3 [2021-07-13 19:59:27,389 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:59:27,389 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1332693268] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:59:27,389 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:59:27,389 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 14] total 20 [2021-07-13 19:59:27,389 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996048441] [2021-07-13 19:59:27,390 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-13 19:59:27,390 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:59:27,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-13 19:59:27,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-07-13 19:59:27,390 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) [2021-07-13 19:59:28,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:59:28,034 INFO L93 Difference]: Finished difference Result 23947 states and 61327 transitions. [2021-07-13 19:59:28,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 19:59:28,035 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 [2021-07-13 19:59:28,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:59:28,081 INFO L225 Difference]: With dead ends: 23947 [2021-07-13 19:59:28,081 INFO L226 Difference]: Without dead ends: 23910 [2021-07-13 19:59:28,081 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 2279.1ms TimeCoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-07-13 19:59:28,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23910 states. [2021-07-13 19:59:28,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23910 to 22942. [2021-07-13 19:59:28,518 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) [2021-07-13 19:59:28,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22942 states to 22942 states and 59199 transitions. [2021-07-13 19:59:28,573 INFO L78 Accepts]: Start accepts. Automaton has 22942 states and 59199 transitions. Word has length 38 [2021-07-13 19:59:28,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:59:28,573 INFO L482 AbstractCegarLoop]: Abstraction has 22942 states and 59199 transitions. [2021-07-13 19:59:28,573 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) [2021-07-13 19:59:28,573 INFO L276 IsEmpty]: Start isEmpty. Operand 22942 states and 59199 transitions. [2021-07-13 19:59:28,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-07-13 19:59:28,592 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:59:28,592 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:59:28,792 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2552,107 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:59:28,793 INFO L430 AbstractCegarLoop]: === Iteration 112 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:59:28,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:59:28,793 INFO L82 PathProgramCache]: Analyzing trace with hash -1605662796, now seen corresponding path program 107 times [2021-07-13 19:59:28,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:59:28,793 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237870684] [2021-07-13 19:59:28,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:59:28,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:59:28,849 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-13 19:59:28,849 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:59:28,849 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237870684] [2021-07-13 19:59:28,850 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237870684] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:59:28,850 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [931051448] [2021-07-13 19:59:28,850 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 [2021-07-13 19:59:28,881 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-07-13 19:59:28,881 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:59:28,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 39 conjunts are in the unsatisfiable core [2021-07-13 19:59:28,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:59:29,039 INFO L354 Elim1Store]: treesize reduction 48, result has 60.3 percent of original size [2021-07-13 19:59:29,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 19:59:29,042 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:59:29,083 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:59:29,084 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:59:29,084 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:118, output treesize:276 [2021-07-13 19:59:29,503 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-07-13 19:59:29,661 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2021-07-13 19:59:29,782 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 181 [2021-07-13 19:59:32,038 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 324 DAG size of output: 48 [2021-07-13 19:59:32,888 INFO L354 Elim1Store]: treesize reduction 118, result has 2.5 percent of original size [2021-07-13 19:59:32,889 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 57 [2021-07-13 19:59:32,890 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 19:59:33,001 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 83 [2021-07-13 19:59:33,002 INFO L628 ElimStorePlain]: treesize reduction 462, result has 40.3 percent of original size [2021-07-13 19:59:33,037 INFO L354 Elim1Store]: treesize reduction 103, result has 14.9 percent of original size [2021-07-13 19:59:33,037 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 54 treesize of output 46 [2021-07-13 19:59:33,039 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 19:59:33,074 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:59:33,115 INFO L354 Elim1Store]: treesize reduction 94, result has 22.3 percent of original size [2021-07-13 19:59:33,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 19:59:33,117 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 19:59:33,150 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:59:33,182 INFO L354 Elim1Store]: treesize reduction 108, result has 10.7 percent of original size [2021-07-13 19:59:33,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 19:59:33,183 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 19:59:33,211 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:59:33,262 INFO L354 Elim1Store]: treesize reduction 81, result has 33.1 percent of original size [2021-07-13 19:59:33,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 19:59:33,264 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 19:59:33,288 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 19:59:33,361 INFO L354 Elim1Store]: treesize reduction 60, result has 50.4 percent of original size [2021-07-13 19:59:33,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 19:59:33,364 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 19:59:33,372 INFO L628 ElimStorePlain]: treesize reduction 38, result has 7.3 percent of original size [2021-07-13 19:59:33,372 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 6 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 19:59:33,372 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 12 variables, input treesize:920, output treesize:3 [2021-07-13 19:59:33,381 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-13 19:59:33,381 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [931051448] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:59:33,381 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:59:33,381 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 14] total 20 [2021-07-13 19:59:33,381 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188784787] [2021-07-13 19:59:33,381 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-13 19:59:33,381 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:59:33,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-13 19:59:33,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-07-13 19:59:33,382 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) [2021-07-13 19:59:33,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:59:33,878 INFO L93 Difference]: Finished difference Result 24204 states and 62062 transitions. [2021-07-13 19:59:33,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-13 19:59:33,879 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 [2021-07-13 19:59:33,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:59:33,928 INFO L225 Difference]: With dead ends: 24204 [2021-07-13 19:59:33,929 INFO L226 Difference]: Without dead ends: 24197 [2021-07-13 19:59:33,929 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 2355.5ms TimeCoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-07-13 19:59:33,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24197 states. [2021-07-13 19:59:34,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24197 to 23411. [2021-07-13 19:59:34,322 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) [2021-07-13 19:59:34,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23411 states to 23411 states and 60517 transitions. [2021-07-13 19:59:34,377 INFO L78 Accepts]: Start accepts. Automaton has 23411 states and 60517 transitions. Word has length 38 [2021-07-13 19:59:34,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:59:34,377 INFO L482 AbstractCegarLoop]: Abstraction has 23411 states and 60517 transitions. [2021-07-13 19:59:34,377 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) [2021-07-13 19:59:34,377 INFO L276 IsEmpty]: Start isEmpty. Operand 23411 states and 60517 transitions. [2021-07-13 19:59:34,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-07-13 19:59:34,396 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:59:34,396 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:59:34,597 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 108 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2700 [2021-07-13 19:59:34,597 INFO L430 AbstractCegarLoop]: === Iteration 113 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:59:34,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:59:34,597 INFO L82 PathProgramCache]: Analyzing trace with hash -36252106, now seen corresponding path program 108 times [2021-07-13 19:59:34,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:59:34,597 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445059058] [2021-07-13 19:59:34,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:59:34,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:59:34,749 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 36 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:59:34,750 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:59:34,750 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445059058] [2021-07-13 19:59:34,750 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445059058] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:59:34,750 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1906253744] [2021-07-13 19:59:34,750 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 [2021-07-13 19:59:34,780 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-07-13 19:59:34,780 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:59:34,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-13 19:59:34,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:59:35,080 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 36 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:59:35,080 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1906253744] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:59:35,080 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:59:35,080 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17] total 33 [2021-07-13 19:59:35,080 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359261636] [2021-07-13 19:59:35,080 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-13 19:59:35,080 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:59:35,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-13 19:59:35,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=214, Invalid=908, Unknown=0, NotChecked=0, Total=1122 [2021-07-13 19:59:35,081 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) [2021-07-13 19:59:37,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:59:37,312 INFO L93 Difference]: Finished difference Result 25898 states and 65777 transitions. [2021-07-13 19:59:37,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-13 19:59:37,312 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 [2021-07-13 19:59:37,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:59:37,368 INFO L225 Difference]: With dead ends: 25898 [2021-07-13 19:59:37,369 INFO L226 Difference]: Without dead ends: 25898 [2021-07-13 19:59:37,370 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3673 ImplicationChecksByTransitivity, 1906.3ms TimeCoverageRelationStatistics Valid=3180, Invalid=9030, Unknown=0, NotChecked=0, Total=12210 [2021-07-13 19:59:37,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25898 states. [2021-07-13 19:59:37,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25898 to 21896. [2021-07-13 19:59:37,744 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) [2021-07-13 19:59:37,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21896 states to 21896 states and 56447 transitions. [2021-07-13 19:59:37,790 INFO L78 Accepts]: Start accepts. Automaton has 21896 states and 56447 transitions. Word has length 40 [2021-07-13 19:59:37,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:59:37,790 INFO L482 AbstractCegarLoop]: Abstraction has 21896 states and 56447 transitions. [2021-07-13 19:59:37,790 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) [2021-07-13 19:59:37,790 INFO L276 IsEmpty]: Start isEmpty. Operand 21896 states and 56447 transitions. [2021-07-13 19:59:37,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-07-13 19:59:37,808 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:59:37,808 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:59:38,009 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2849,109 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:59:38,009 INFO L430 AbstractCegarLoop]: === Iteration 114 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:59:38,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:59:38,009 INFO L82 PathProgramCache]: Analyzing trace with hash -1222061710, now seen corresponding path program 109 times [2021-07-13 19:59:38,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:59:38,009 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580630046] [2021-07-13 19:59:38,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:59:38,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:59:38,139 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 49 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:59:38,139 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:59:38,139 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580630046] [2021-07-13 19:59:38,139 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580630046] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:59:38,139 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1430623658] [2021-07-13 19:59:38,139 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 [2021-07-13 19:59:38,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:59:38,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-13 19:59:38,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:59:38,479 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 49 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:59:38,479 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1430623658] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:59:38,479 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:59:38,479 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-07-13 19:59:38,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754320892] [2021-07-13 19:59:38,479 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-13 19:59:38,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:59:38,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-13 19:59:38,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=875, Unknown=0, NotChecked=0, Total=1056 [2021-07-13 19:59:38,480 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) [2021-07-13 19:59:41,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:59:41,933 INFO L93 Difference]: Finished difference Result 30410 states and 76384 transitions. [2021-07-13 19:59:41,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2021-07-13 19:59:41,934 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 [2021-07-13 19:59:41,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:59:42,012 INFO L225 Difference]: With dead ends: 30410 [2021-07-13 19:59:42,012 INFO L226 Difference]: Without dead ends: 30222 [2021-07-13 19:59:42,015 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7844 ImplicationChecksByTransitivity, 3177.3ms TimeCoverageRelationStatistics Valid=4727, Invalid=17923, Unknown=0, NotChecked=0, Total=22650 [2021-07-13 19:59:42,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30222 states. [2021-07-13 19:59:42,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30222 to 22632. [2021-07-13 19:59:42,565 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) [2021-07-13 19:59:42,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22632 states to 22632 states and 58343 transitions. [2021-07-13 19:59:42,616 INFO L78 Accepts]: Start accepts. Automaton has 22632 states and 58343 transitions. Word has length 40 [2021-07-13 19:59:42,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:59:42,616 INFO L482 AbstractCegarLoop]: Abstraction has 22632 states and 58343 transitions. [2021-07-13 19:59:42,616 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) [2021-07-13 19:59:42,616 INFO L276 IsEmpty]: Start isEmpty. Operand 22632 states and 58343 transitions. [2021-07-13 19:59:42,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-07-13 19:59:42,634 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:59:42,634 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:59:42,835 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 110 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2850 [2021-07-13 19:59:42,835 INFO L430 AbstractCegarLoop]: === Iteration 115 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:59:42,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:59:42,835 INFO L82 PathProgramCache]: Analyzing trace with hash -714294378, now seen corresponding path program 110 times [2021-07-13 19:59:42,835 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:59:42,836 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989120639] [2021-07-13 19:59:42,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:59:42,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:59:42,915 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 49 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:59:42,916 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:59:42,916 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989120639] [2021-07-13 19:59:42,916 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989120639] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:59:42,916 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1224305413] [2021-07-13 19:59:42,916 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 [2021-07-13 19:59:42,943 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 19:59:42,943 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:59:42,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-13 19:59:42,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:59:43,397 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 49 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:59:43,398 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1224305413] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:59:43,398 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:59:43,398 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 17] total 26 [2021-07-13 19:59:43,398 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834883849] [2021-07-13 19:59:43,398 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-13 19:59:43,398 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:59:43,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-13 19:59:43,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=581, Unknown=0, NotChecked=0, Total=702 [2021-07-13 19:59:43,398 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) [2021-07-13 19:59:46,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:59:46,155 INFO L93 Difference]: Finished difference Result 39864 states and 101563 transitions. [2021-07-13 19:59:46,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2021-07-13 19:59:46,155 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 [2021-07-13 19:59:46,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:59:46,245 INFO L225 Difference]: With dead ends: 39864 [2021-07-13 19:59:46,246 INFO L226 Difference]: Without dead ends: 39844 [2021-07-13 19:59:46,248 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6651 ImplicationChecksByTransitivity, 2343.9ms TimeCoverageRelationStatistics Valid=4595, Invalid=12961, Unknown=0, NotChecked=0, Total=17556 [2021-07-13 19:59:46,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39844 states. [2021-07-13 19:59:46,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39844 to 29497. [2021-07-13 19:59:46,984 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) [2021-07-13 19:59:47,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29497 states to 29497 states and 76018 transitions. [2021-07-13 19:59:47,057 INFO L78 Accepts]: Start accepts. Automaton has 29497 states and 76018 transitions. Word has length 40 [2021-07-13 19:59:47,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:59:47,057 INFO L482 AbstractCegarLoop]: Abstraction has 29497 states and 76018 transitions. [2021-07-13 19:59:47,057 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) [2021-07-13 19:59:47,057 INFO L276 IsEmpty]: Start isEmpty. Operand 29497 states and 76018 transitions. [2021-07-13 19:59:47,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-07-13 19:59:47,078 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:59:47,078 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:59:47,279 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 111 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2851 [2021-07-13 19:59:47,279 INFO L430 AbstractCegarLoop]: === Iteration 116 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:59:47,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:59:47,279 INFO L82 PathProgramCache]: Analyzing trace with hash -2098192460, now seen corresponding path program 111 times [2021-07-13 19:59:47,280 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:59:47,280 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109473666] [2021-07-13 19:59:47,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:59:47,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:59:47,367 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 43 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:59:47,367 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:59:47,367 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109473666] [2021-07-13 19:59:47,367 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109473666] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:59:47,367 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [496291785] [2021-07-13 19:59:47,367 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 [2021-07-13 19:59:47,417 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-07-13 19:59:47,418 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:59:47,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-13 19:59:47,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:59:47,713 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 43 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:59:47,713 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [496291785] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:59:47,713 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:59:47,713 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 17] total 26 [2021-07-13 19:59:47,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840955178] [2021-07-13 19:59:47,713 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-13 19:59:47,713 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:59:47,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-13 19:59:47,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=544, Unknown=0, NotChecked=0, Total=702 [2021-07-13 19:59:47,714 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) [2021-07-13 19:59:49,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:59:49,670 INFO L93 Difference]: Finished difference Result 30394 states and 77833 transitions. [2021-07-13 19:59:49,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-07-13 19:59:49,670 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 [2021-07-13 19:59:49,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:59:49,747 INFO L225 Difference]: With dead ends: 30394 [2021-07-13 19:59:49,747 INFO L226 Difference]: Without dead ends: 30390 [2021-07-13 19:59:49,749 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3712 ImplicationChecksByTransitivity, 1769.3ms TimeCoverageRelationStatistics Valid=2606, Invalid=8314, Unknown=0, NotChecked=0, Total=10920 [2021-07-13 19:59:49,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30390 states. [2021-07-13 19:59:50,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30390 to 29497. [2021-07-13 19:59:50,474 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) [2021-07-13 19:59:50,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29497 states to 29497 states and 76002 transitions. [2021-07-13 19:59:50,563 INFO L78 Accepts]: Start accepts. Automaton has 29497 states and 76002 transitions. Word has length 40 [2021-07-13 19:59:50,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:59:50,564 INFO L482 AbstractCegarLoop]: Abstraction has 29497 states and 76002 transitions. [2021-07-13 19:59:50,564 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) [2021-07-13 19:59:50,564 INFO L276 IsEmpty]: Start isEmpty. Operand 29497 states and 76002 transitions. [2021-07-13 19:59:50,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-07-13 19:59:50,588 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:59:50,589 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:59:50,800 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 112 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2852 [2021-07-13 19:59:50,801 INFO L430 AbstractCegarLoop]: === Iteration 117 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:59:50,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:59:50,801 INFO L82 PathProgramCache]: Analyzing trace with hash 1992334194, now seen corresponding path program 112 times [2021-07-13 19:59:50,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:59:50,801 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343707211] [2021-07-13 19:59:50,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:59:50,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:59:50,885 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 53 proven. 31 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 19:59:50,886 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:59:50,886 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343707211] [2021-07-13 19:59:50,886 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343707211] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:59:50,886 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1760670932] [2021-07-13 19:59:50,886 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 [2021-07-13 19:59:50,914 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 19:59:50,915 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:59:50,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-13 19:59:50,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:59:51,213 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 43 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:59:51,213 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1760670932] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:59:51,214 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:59:51,214 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 17] total 26 [2021-07-13 19:59:51,214 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61821289] [2021-07-13 19:59:51,214 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-13 19:59:51,214 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:59:51,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-13 19:59:51,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=582, Unknown=0, NotChecked=0, Total=702 [2021-07-13 19:59:51,214 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) [2021-07-13 19:59:52,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:59:52,831 INFO L93 Difference]: Finished difference Result 37584 states and 96225 transitions. [2021-07-13 19:59:52,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-07-13 19:59:52,831 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 [2021-07-13 19:59:52,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:59:52,912 INFO L225 Difference]: With dead ends: 37584 [2021-07-13 19:59:52,912 INFO L226 Difference]: Without dead ends: 37560 [2021-07-13 19:59:52,913 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2330 ImplicationChecksByTransitivity, 1268.4ms TimeCoverageRelationStatistics Valid=1833, Invalid=5649, Unknown=0, NotChecked=0, Total=7482 [2021-07-13 19:59:52,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37560 states. [2021-07-13 19:59:53,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37560 to 29719. [2021-07-13 19:59:53,508 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) [2021-07-13 19:59:53,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29719 states to 29719 states and 76828 transitions. [2021-07-13 19:59:53,800 INFO L78 Accepts]: Start accepts. Automaton has 29719 states and 76828 transitions. Word has length 40 [2021-07-13 19:59:53,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:59:53,800 INFO L482 AbstractCegarLoop]: Abstraction has 29719 states and 76828 transitions. [2021-07-13 19:59:53,800 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) [2021-07-13 19:59:53,800 INFO L276 IsEmpty]: Start isEmpty. Operand 29719 states and 76828 transitions. [2021-07-13 19:59:53,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-07-13 19:59:53,823 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:59:53,823 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:59:54,023 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 113 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2853 [2021-07-13 19:59:54,023 INFO L430 AbstractCegarLoop]: === Iteration 118 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:59:54,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:59:54,024 INFO L82 PathProgramCache]: Analyzing trace with hash -1162838014, now seen corresponding path program 113 times [2021-07-13 19:59:54,024 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:59:54,024 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151808957] [2021-07-13 19:59:54,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:59:54,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:59:54,232 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 38 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:59:54,232 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:59:54,232 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151808957] [2021-07-13 19:59:54,232 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151808957] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:59:54,232 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [476470051] [2021-07-13 19:59:54,232 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 [2021-07-13 19:59:54,262 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-07-13 19:59:54,263 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:59:54,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-13 19:59:54,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:59:54,576 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 38 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:59:54,576 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [476470051] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:59:54,576 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:59:54,576 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 17] total 27 [2021-07-13 19:59:54,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463267087] [2021-07-13 19:59:54,576 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-13 19:59:54,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:59:54,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-13 19:59:54,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=602, Unknown=0, NotChecked=0, Total=756 [2021-07-13 19:59:54,577 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) [2021-07-13 19:59:56,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:59:56,634 INFO L93 Difference]: Finished difference Result 32131 states and 82168 transitions. [2021-07-13 19:59:56,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-07-13 19:59:56,635 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 [2021-07-13 19:59:56,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:59:56,754 INFO L225 Difference]: With dead ends: 32131 [2021-07-13 19:59:56,754 INFO L226 Difference]: Without dead ends: 32111 [2021-07-13 19:59:56,755 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3894 ImplicationChecksByTransitivity, 1754.2ms TimeCoverageRelationStatistics Valid=2672, Invalid=8670, Unknown=0, NotChecked=0, Total=11342 [2021-07-13 19:59:56,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32111 states. [2021-07-13 19:59:57,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32111 to 30307. [2021-07-13 19:59:57,366 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) [2021-07-13 19:59:57,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30307 states to 30307 states and 78403 transitions. [2021-07-13 19:59:57,445 INFO L78 Accepts]: Start accepts. Automaton has 30307 states and 78403 transitions. Word has length 40 [2021-07-13 19:59:57,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:59:57,445 INFO L482 AbstractCegarLoop]: Abstraction has 30307 states and 78403 transitions. [2021-07-13 19:59:57,446 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) [2021-07-13 19:59:57,446 INFO L276 IsEmpty]: Start isEmpty. Operand 30307 states and 78403 transitions. [2021-07-13 19:59:57,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-07-13 19:59:57,468 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:59:57,468 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:59:57,669 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 114 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2854 [2021-07-13 19:59:57,669 INFO L430 AbstractCegarLoop]: === Iteration 119 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 19:59:57,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:59:57,669 INFO L82 PathProgramCache]: Analyzing trace with hash -1839241602, now seen corresponding path program 114 times [2021-07-13 19:59:57,669 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:59:57,669 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480682899] [2021-07-13 19:59:57,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:59:57,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:59:57,763 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 31 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:59:57,763 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:59:57,763 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480682899] [2021-07-13 19:59:57,763 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480682899] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:59:57,764 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1865856993] [2021-07-13 19:59:57,764 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 [2021-07-13 19:59:57,801 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2021-07-13 19:59:57,801 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 19:59:57,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-13 19:59:57,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:59:58,084 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 31 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:59:58,084 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1865856993] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:59:58,084 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:59:58,085 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 17] total 28 [2021-07-13 19:59:58,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942361143] [2021-07-13 19:59:58,085 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-13 19:59:58,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:59:58,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-13 19:59:58,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=658, Unknown=0, NotChecked=0, Total=812 [2021-07-13 19:59:58,085 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) [2021-07-13 19:59:59,139 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 11 [2021-07-13 20:00:00,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:00:00,297 INFO L93 Difference]: Finished difference Result 33401 states and 85130 transitions. [2021-07-13 20:00:00,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-07-13 20:00:00,297 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 [2021-07-13 20:00:00,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:00:00,363 INFO L225 Difference]: With dead ends: 33401 [2021-07-13 20:00:00,363 INFO L226 Difference]: Without dead ends: 33361 [2021-07-13 20:00:00,364 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4153 ImplicationChecksByTransitivity, 1892.1ms TimeCoverageRelationStatistics Valid=2749, Invalid=9023, Unknown=0, NotChecked=0, Total=11772 [2021-07-13 20:00:00,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33361 states. [2021-07-13 20:00:00,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33361 to 30181. [2021-07-13 20:00:00,918 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) [2021-07-13 20:00:00,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30181 states to 30181 states and 78202 transitions. [2021-07-13 20:00:00,989 INFO L78 Accepts]: Start accepts. Automaton has 30181 states and 78202 transitions. Word has length 40 [2021-07-13 20:00:00,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:00:00,989 INFO L482 AbstractCegarLoop]: Abstraction has 30181 states and 78202 transitions. [2021-07-13 20:00:00,989 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) [2021-07-13 20:00:00,989 INFO L276 IsEmpty]: Start isEmpty. Operand 30181 states and 78202 transitions. [2021-07-13 20:00:01,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-07-13 20:00:01,010 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:00:01,010 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 20:00:01,211 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2855,115 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 20:00:01,212 INFO L430 AbstractCegarLoop]: === Iteration 120 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:00:01,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:00:01,212 INFO L82 PathProgramCache]: Analyzing trace with hash 971939322, now seen corresponding path program 115 times [2021-07-13 20:00:01,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:00:01,212 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796553921] [2021-07-13 20:00:01,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:00:01,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:00:01,317 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 28 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:00:01,317 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:00:01,317 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796553921] [2021-07-13 20:00:01,318 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796553921] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:00:01,318 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1386412560] [2021-07-13 20:00:01,318 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 [2021-07-13 20:00:01,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:00:01,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-13 20:00:01,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:00:01,647 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 28 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:00:01,647 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1386412560] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:00:01,648 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:00:01,648 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 17] total 29 [2021-07-13 20:00:01,648 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105629798] [2021-07-13 20:00:01,648 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-13 20:00:01,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:00:01,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-13 20:00:01,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=712, Unknown=0, NotChecked=0, Total=870 [2021-07-13 20:00:01,648 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) [2021-07-13 20:00:02,407 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 11 [2021-07-13 20:00:03,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:00:03,820 INFO L93 Difference]: Finished difference Result 33916 states and 86143 transitions. [2021-07-13 20:00:03,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2021-07-13 20:00:03,820 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 [2021-07-13 20:00:03,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:00:03,893 INFO L225 Difference]: With dead ends: 33916 [2021-07-13 20:00:03,893 INFO L226 Difference]: Without dead ends: 33862 [2021-07-13 20:00:03,895 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4387 ImplicationChecksByTransitivity, 1865.8ms TimeCoverageRelationStatistics Valid=2836, Invalid=9374, Unknown=0, NotChecked=0, Total=12210 [2021-07-13 20:00:03,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33862 states. [2021-07-13 20:00:04,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33862 to 28876. [2021-07-13 20:00:04,513 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) [2021-07-13 20:00:04,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28876 states to 28876 states and 74988 transitions. [2021-07-13 20:00:04,587 INFO L78 Accepts]: Start accepts. Automaton has 28876 states and 74988 transitions. Word has length 40 [2021-07-13 20:00:04,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:00:04,587 INFO L482 AbstractCegarLoop]: Abstraction has 28876 states and 74988 transitions. [2021-07-13 20:00:04,587 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) [2021-07-13 20:00:04,587 INFO L276 IsEmpty]: Start isEmpty. Operand 28876 states and 74988 transitions. [2021-07-13 20:00:04,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-07-13 20:00:04,607 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:00:04,607 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 20:00:04,808 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 116 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2856 [2021-07-13 20:00:04,809 INFO L430 AbstractCegarLoop]: === Iteration 121 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:00:04,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:00:04,809 INFO L82 PathProgramCache]: Analyzing trace with hash 982378102, now seen corresponding path program 116 times [2021-07-13 20:00:04,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:00:04,809 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238130839] [2021-07-13 20:00:04,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:00:04,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:00:04,924 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 29 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:00:04,924 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:00:04,924 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238130839] [2021-07-13 20:00:04,924 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238130839] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:00:04,924 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [621616423] [2021-07-13 20:00:04,925 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 [2021-07-13 20:00:04,964 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 20:00:04,965 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:00:04,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-13 20:00:04,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:00:05,297 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 29 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:00:05,297 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [621616423] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:00:05,297 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:00:05,297 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17] total 30 [2021-07-13 20:00:05,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052278096] [2021-07-13 20:00:05,298 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-13 20:00:05,298 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:00:05,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-13 20:00:05,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=764, Unknown=0, NotChecked=0, Total=930 [2021-07-13 20:00:05,299 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) [2021-07-13 20:00:07,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:00:07,682 INFO L93 Difference]: Finished difference Result 33473 states and 84685 transitions. [2021-07-13 20:00:07,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-07-13 20:00:07,682 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 [2021-07-13 20:00:07,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:00:07,747 INFO L225 Difference]: With dead ends: 33473 [2021-07-13 20:00:07,747 INFO L226 Difference]: Without dead ends: 33417 [2021-07-13 20:00:07,748 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4604 ImplicationChecksByTransitivity, 1857.1ms TimeCoverageRelationStatistics Valid=2932, Invalid=9724, Unknown=0, NotChecked=0, Total=12656 [2021-07-13 20:00:07,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33417 states. [2021-07-13 20:00:08,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33417 to 26468. [2021-07-13 20:00:08,393 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) [2021-07-13 20:00:08,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26468 states to 26468 states and 68855 transitions. [2021-07-13 20:00:08,468 INFO L78 Accepts]: Start accepts. Automaton has 26468 states and 68855 transitions. Word has length 40 [2021-07-13 20:00:08,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:00:08,468 INFO L482 AbstractCegarLoop]: Abstraction has 26468 states and 68855 transitions. [2021-07-13 20:00:08,468 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) [2021-07-13 20:00:08,468 INFO L276 IsEmpty]: Start isEmpty. Operand 26468 states and 68855 transitions. [2021-07-13 20:00:08,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-07-13 20:00:08,493 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:00:08,493 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 20:00:08,694 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2857,117 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 20:00:08,695 INFO L430 AbstractCegarLoop]: === Iteration 122 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:00:08,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:00:08,695 INFO L82 PathProgramCache]: Analyzing trace with hash -1870856206, now seen corresponding path program 117 times [2021-07-13 20:00:08,695 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:00:08,695 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781760501] [2021-07-13 20:00:08,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:00:08,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:00:08,832 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 34 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:00:08,832 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:00:08,832 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781760501] [2021-07-13 20:00:08,832 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781760501] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:00:08,832 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1906272508] [2021-07-13 20:00:08,832 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 [2021-07-13 20:00:09,039 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-07-13 20:00:09,040 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:00:09,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-13 20:00:09,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:00:09,341 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 34 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:00:09,341 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1906272508] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:00:09,341 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:00:09,341 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17] total 31 [2021-07-13 20:00:09,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778798134] [2021-07-13 20:00:09,341 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-07-13 20:00:09,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:00:09,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-07-13 20:00:09,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=814, Unknown=0, NotChecked=0, Total=992 [2021-07-13 20:00:09,342 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) [2021-07-13 20:00:11,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:00:11,468 INFO L93 Difference]: Finished difference Result 32096 states and 80790 transitions. [2021-07-13 20:00:11,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-13 20:00:11,468 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 [2021-07-13 20:00:11,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:00:11,544 INFO L225 Difference]: With dead ends: 32096 [2021-07-13 20:00:11,545 INFO L226 Difference]: Without dead ends: 32046 [2021-07-13 20:00:11,546 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4740 ImplicationChecksByTransitivity, 1897.6ms TimeCoverageRelationStatistics Valid=3036, Invalid=10074, Unknown=0, NotChecked=0, Total=13110 [2021-07-13 20:00:11,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32046 states. [2021-07-13 20:00:12,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32046 to 24004. [2021-07-13 20:00:12,053 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) [2021-07-13 20:00:12,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24004 states to 24004 states and 62399 transitions. [2021-07-13 20:00:12,117 INFO L78 Accepts]: Start accepts. Automaton has 24004 states and 62399 transitions. Word has length 40 [2021-07-13 20:00:12,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:00:12,118 INFO L482 AbstractCegarLoop]: Abstraction has 24004 states and 62399 transitions. [2021-07-13 20:00:12,118 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) [2021-07-13 20:00:12,118 INFO L276 IsEmpty]: Start isEmpty. Operand 24004 states and 62399 transitions. [2021-07-13 20:00:12,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-07-13 20:00:12,137 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:00:12,137 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 20:00:12,338 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2858,118 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 20:00:12,338 INFO L430 AbstractCegarLoop]: === Iteration 123 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:00:12,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:00:12,338 INFO L82 PathProgramCache]: Analyzing trace with hash -69717194, now seen corresponding path program 118 times [2021-07-13 20:00:12,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:00:12,339 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728475945] [2021-07-13 20:00:12,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:00:12,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:00:12,487 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 35 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 20:00:12,487 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:00:12,487 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728475945] [2021-07-13 20:00:12,487 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728475945] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:00:12,487 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [495250059] [2021-07-13 20:00:12,488 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 [2021-07-13 20:00:12,523 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 20:00:12,524 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:00:12,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-13 20:00:12,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:00:12,658 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2021-07-13 20:00:12,993 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 30 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:00:12,993 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [495250059] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:00:12,993 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:00:12,994 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-07-13 20:00:12,994 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474163256] [2021-07-13 20:00:12,994 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-13 20:00:12,994 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:00:12,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-13 20:00:12,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=187, Invalid=869, Unknown=0, NotChecked=0, Total=1056 [2021-07-13 20:00:12,994 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) [2021-07-13 20:00:15,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:00:15,344 INFO L93 Difference]: Finished difference Result 28131 states and 70967 transitions. [2021-07-13 20:00:15,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-07-13 20:00:15,345 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 [2021-07-13 20:00:15,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:00:15,407 INFO L225 Difference]: With dead ends: 28131 [2021-07-13 20:00:15,407 INFO L226 Difference]: Without dead ends: 28131 [2021-07-13 20:00:15,408 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3698 ImplicationChecksByTransitivity, 2168.6ms TimeCoverageRelationStatistics Valid=2970, Invalid=9240, Unknown=0, NotChecked=0, Total=12210 [2021-07-13 20:00:15,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28131 states. [2021-07-13 20:00:15,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28131 to 21876. [2021-07-13 20:00:15,824 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) [2021-07-13 20:00:15,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21876 states to 21876 states and 56775 transitions. [2021-07-13 20:00:15,886 INFO L78 Accepts]: Start accepts. Automaton has 21876 states and 56775 transitions. Word has length 40 [2021-07-13 20:00:15,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:00:15,887 INFO L482 AbstractCegarLoop]: Abstraction has 21876 states and 56775 transitions. [2021-07-13 20:00:15,887 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) [2021-07-13 20:00:15,887 INFO L276 IsEmpty]: Start isEmpty. Operand 21876 states and 56775 transitions. [2021-07-13 20:00:15,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-07-13 20:00:15,902 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:00:15,902 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 20:00:16,102 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 119 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2859 [2021-07-13 20:00:16,103 INFO L430 AbstractCegarLoop]: === Iteration 124 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:00:16,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:00:16,103 INFO L82 PathProgramCache]: Analyzing trace with hash 715640178, now seen corresponding path program 119 times [2021-07-13 20:00:16,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:00:16,103 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793308723] [2021-07-13 20:00:16,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:00:16,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:00:16,238 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 38 proven. 46 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 20:00:16,238 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:00:16,238 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793308723] [2021-07-13 20:00:16,238 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793308723] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:00:16,238 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2130990210] [2021-07-13 20:00:16,238 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 [2021-07-13 20:00:16,268 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-07-13 20:00:16,268 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:00:16,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-13 20:00:16,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:00:16,580 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 38 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:00:16,580 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2130990210] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:00:16,580 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:00:16,580 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17] total 31 [2021-07-13 20:00:16,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442047294] [2021-07-13 20:00:16,580 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-07-13 20:00:16,580 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:00:16,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-07-13 20:00:16,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=826, Unknown=0, NotChecked=0, Total=992 [2021-07-13 20:00:16,581 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) [2021-07-13 20:00:19,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:00:19,211 INFO L93 Difference]: Finished difference Result 25120 states and 63294 transitions. [2021-07-13 20:00:19,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2021-07-13 20:00:19,212 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 [2021-07-13 20:00:19,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:00:19,277 INFO L225 Difference]: With dead ends: 25120 [2021-07-13 20:00:19,277 INFO L226 Difference]: Without dead ends: 24982 [2021-07-13 20:00:19,278 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5780 ImplicationChecksByTransitivity, 2332.2ms TimeCoverageRelationStatistics Valid=3320, Invalid=12682, Unknown=0, NotChecked=0, Total=16002 [2021-07-13 20:00:19,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24982 states. [2021-07-13 20:00:19,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24982 to 21296. [2021-07-13 20:00:19,757 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) [2021-07-13 20:00:19,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21296 states to 21296 states and 55035 transitions. [2021-07-13 20:00:19,809 INFO L78 Accepts]: Start accepts. Automaton has 21296 states and 55035 transitions. Word has length 40 [2021-07-13 20:00:19,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:00:19,809 INFO L482 AbstractCegarLoop]: Abstraction has 21296 states and 55035 transitions. [2021-07-13 20:00:19,809 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) [2021-07-13 20:00:19,809 INFO L276 IsEmpty]: Start isEmpty. Operand 21296 states and 55035 transitions. [2021-07-13 20:00:19,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-07-13 20:00:19,824 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:00:19,824 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 20:00:20,024 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 120 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2860 [2021-07-13 20:00:20,025 INFO L430 AbstractCegarLoop]: === Iteration 125 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:00:20,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:00:20,025 INFO L82 PathProgramCache]: Analyzing trace with hash 1418514486, now seen corresponding path program 120 times [2021-07-13 20:00:20,025 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:00:20,025 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941226856] [2021-07-13 20:00:20,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:00:20,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:00:20,187 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 34 proven. 50 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 20:00:20,188 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:00:20,188 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941226856] [2021-07-13 20:00:20,188 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941226856] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:00:20,188 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [143861502] [2021-07-13 20:00:20,188 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 121 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 121 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 20:00:20,231 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-07-13 20:00:20,231 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:00:20,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-13 20:00:20,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:00:20,631 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 30 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:00:20,632 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [143861502] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:00:20,632 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:00:20,632 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17] total 31 [2021-07-13 20:00:20,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365017811] [2021-07-13 20:00:20,632 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-07-13 20:00:20,632 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:00:20,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-07-13 20:00:20,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=823, Unknown=0, NotChecked=0, Total=992 [2021-07-13 20:00:20,632 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) [2021-07-13 20:00:23,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:00:23,112 INFO L93 Difference]: Finished difference Result 26874 states and 67135 transitions. [2021-07-13 20:00:23,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-07-13 20:00:23,112 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 [2021-07-13 20:00:23,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:00:23,169 INFO L225 Difference]: With dead ends: 26874 [2021-07-13 20:00:23,170 INFO L226 Difference]: Without dead ends: 26874 [2021-07-13 20:00:23,170 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4431 ImplicationChecksByTransitivity, 2168.2ms TimeCoverageRelationStatistics Valid=3338, Invalid=10234, Unknown=0, NotChecked=0, Total=13572 [2021-07-13 20:00:23,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26874 states. [2021-07-13 20:00:23,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26874 to 19476. [2021-07-13 20:00:23,553 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) [2021-07-13 20:00:23,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19476 states to 19476 states and 50170 transitions. [2021-07-13 20:00:23,595 INFO L78 Accepts]: Start accepts. Automaton has 19476 states and 50170 transitions. Word has length 40 [2021-07-13 20:00:23,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:00:23,595 INFO L482 AbstractCegarLoop]: Abstraction has 19476 states and 50170 transitions. [2021-07-13 20:00:23,595 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) [2021-07-13 20:00:23,595 INFO L276 IsEmpty]: Start isEmpty. Operand 19476 states and 50170 transitions. [2021-07-13 20:00:23,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-07-13 20:00:23,608 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:00:23,608 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 20:00:23,809 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2861,121 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 20:00:23,809 INFO L430 AbstractCegarLoop]: === Iteration 126 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:00:23,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:00:23,809 INFO L82 PathProgramCache]: Analyzing trace with hash 699779442, now seen corresponding path program 121 times [2021-07-13 20:00:23,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:00:23,809 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340924605] [2021-07-13 20:00:23,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:00:23,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:00:23,909 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 32 proven. 52 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 20:00:23,909 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:00:23,909 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340924605] [2021-07-13 20:00:23,910 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340924605] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:00:23,910 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1244347946] [2021-07-13 20:00:23,910 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 [2021-07-13 20:00:23,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:00:23,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-13 20:00:23,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:00:24,238 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 31 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:00:24,238 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1244347946] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:00:24,238 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:00:24,238 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17] total 30 [2021-07-13 20:00:24,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603928327] [2021-07-13 20:00:24,239 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-13 20:00:24,239 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:00:24,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-13 20:00:24,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=775, Unknown=0, NotChecked=0, Total=930 [2021-07-13 20:00:24,239 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) [2021-07-13 20:00:26,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:00:26,549 INFO L93 Difference]: Finished difference Result 22442 states and 56490 transitions. [2021-07-13 20:00:26,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-07-13 20:00:26,550 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 [2021-07-13 20:00:26,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:00:26,594 INFO L225 Difference]: With dead ends: 22442 [2021-07-13 20:00:26,594 INFO L226 Difference]: Without dead ends: 22343 [2021-07-13 20:00:26,596 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5030 ImplicationChecksByTransitivity, 2006.6ms TimeCoverageRelationStatistics Valid=2802, Invalid=10770, Unknown=0, NotChecked=0, Total=13572 [2021-07-13 20:00:26,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22343 states. [2021-07-13 20:00:27,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22343 to 19294. [2021-07-13 20:00:27,035 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) [2021-07-13 20:00:27,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19294 states to 19294 states and 49525 transitions. [2021-07-13 20:00:27,077 INFO L78 Accepts]: Start accepts. Automaton has 19294 states and 49525 transitions. Word has length 40 [2021-07-13 20:00:27,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:00:27,078 INFO L482 AbstractCegarLoop]: Abstraction has 19294 states and 49525 transitions. [2021-07-13 20:00:27,078 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) [2021-07-13 20:00:27,078 INFO L276 IsEmpty]: Start isEmpty. Operand 19294 states and 49525 transitions. [2021-07-13 20:00:27,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-07-13 20:00:27,092 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:00:27,092 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 20:00:27,292 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 122 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2862 [2021-07-13 20:00:27,293 INFO L430 AbstractCegarLoop]: === Iteration 127 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:00:27,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:00:27,293 INFO L82 PathProgramCache]: Analyzing trace with hash -1681609418, now seen corresponding path program 122 times [2021-07-13 20:00:27,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:00:27,293 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308595142] [2021-07-13 20:00:27,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:00:27,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:00:27,395 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 33 proven. 51 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 20:00:27,395 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:00:27,395 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308595142] [2021-07-13 20:00:27,395 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308595142] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:00:27,395 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1715702658] [2021-07-13 20:00:27,395 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 [2021-07-13 20:00:27,423 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 20:00:27,423 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:00:27,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-13 20:00:27,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:00:27,713 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 30 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:00:27,713 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1715702658] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:00:27,713 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:00:27,713 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17] total 30 [2021-07-13 20:00:27,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043343235] [2021-07-13 20:00:27,713 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-13 20:00:27,713 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:00:27,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-13 20:00:27,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=775, Unknown=0, NotChecked=0, Total=930 [2021-07-13 20:00:27,714 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) [2021-07-13 20:00:30,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:00:30,358 INFO L93 Difference]: Finished difference Result 25902 states and 64230 transitions. [2021-07-13 20:00:30,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-07-13 20:00:30,369 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 [2021-07-13 20:00:30,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:00:30,454 INFO L225 Difference]: With dead ends: 25902 [2021-07-13 20:00:30,454 INFO L226 Difference]: Without dead ends: 25902 [2021-07-13 20:00:30,456 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5410 ImplicationChecksByTransitivity, 2235.8ms TimeCoverageRelationStatistics Valid=3958, Invalid=11542, Unknown=0, NotChecked=0, Total=15500 [2021-07-13 20:00:30,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25902 states. [2021-07-13 20:00:30,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25902 to 17898. [2021-07-13 20:00:30,832 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) [2021-07-13 20:00:30,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17898 states to 17898 states and 45734 transitions. [2021-07-13 20:00:30,872 INFO L78 Accepts]: Start accepts. Automaton has 17898 states and 45734 transitions. Word has length 40 [2021-07-13 20:00:30,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:00:30,872 INFO L482 AbstractCegarLoop]: Abstraction has 17898 states and 45734 transitions. [2021-07-13 20:00:30,872 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) [2021-07-13 20:00:30,872 INFO L276 IsEmpty]: Start isEmpty. Operand 17898 states and 45734 transitions. [2021-07-13 20:00:30,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-07-13 20:00:30,885 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:00:30,885 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 20:00:31,088 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2863,123 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 20:00:31,088 INFO L430 AbstractCegarLoop]: === Iteration 128 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:00:31,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:00:31,089 INFO L82 PathProgramCache]: Analyzing trace with hash 1276298610, now seen corresponding path program 123 times [2021-07-13 20:00:31,089 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:00:31,089 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721881080] [2021-07-13 20:00:31,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:00:31,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:00:31,318 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 30 proven. 54 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 20:00:31,318 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:00:31,318 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721881080] [2021-07-13 20:00:31,318 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721881080] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:00:31,318 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [578721486] [2021-07-13 20:00:31,318 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 [2021-07-13 20:00:31,351 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-07-13 20:00:31,351 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:00:31,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-13 20:00:31,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:00:31,636 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 28 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:00:31,637 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [578721486] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:00:31,637 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:00:31,637 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 17] total 29 [2021-07-13 20:00:31,637 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795443044] [2021-07-13 20:00:31,637 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-13 20:00:31,637 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:00:31,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-13 20:00:31,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=722, Unknown=0, NotChecked=0, Total=870 [2021-07-13 20:00:31,638 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) [2021-07-13 20:00:33,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:00:33,585 INFO L93 Difference]: Finished difference Result 20487 states and 51579 transitions. [2021-07-13 20:00:33,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-13 20:00:33,586 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 [2021-07-13 20:00:33,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:00:33,630 INFO L225 Difference]: With dead ends: 20487 [2021-07-13 20:00:33,630 INFO L226 Difference]: Without dead ends: 20421 [2021-07-13 20:00:33,632 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4431 ImplicationChecksByTransitivity, 1818.8ms TimeCoverageRelationStatistics Valid=2466, Invalid=9306, Unknown=0, NotChecked=0, Total=11772 [2021-07-13 20:00:33,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20421 states. [2021-07-13 20:00:34,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20421 to 18251. [2021-07-13 20:00:34,051 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) [2021-07-13 20:00:34,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18251 states to 18251 states and 46655 transitions. [2021-07-13 20:00:34,090 INFO L78 Accepts]: Start accepts. Automaton has 18251 states and 46655 transitions. Word has length 40 [2021-07-13 20:00:34,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:00:34,090 INFO L482 AbstractCegarLoop]: Abstraction has 18251 states and 46655 transitions. [2021-07-13 20:00:34,090 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) [2021-07-13 20:00:34,090 INFO L276 IsEmpty]: Start isEmpty. Operand 18251 states and 46655 transitions. [2021-07-13 20:00:34,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-07-13 20:00:34,107 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:00:34,107 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 20:00:34,325 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 124 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2864 [2021-07-13 20:00:34,325 INFO L430 AbstractCegarLoop]: === Iteration 129 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:00:34,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:00:34,326 INFO L82 PathProgramCache]: Analyzing trace with hash 424659510, now seen corresponding path program 124 times [2021-07-13 20:00:34,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:00:34,326 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114842252] [2021-07-13 20:00:34,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:00:34,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:00:34,432 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 32 proven. 52 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 20:00:34,432 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:00:34,432 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114842252] [2021-07-13 20:00:34,433 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114842252] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:00:34,433 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1029485495] [2021-07-13 20:00:34,433 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 [2021-07-13 20:00:34,476 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 20:00:34,476 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:00:34,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-13 20:00:34,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:00:34,784 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 30 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:00:34,785 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1029485495] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:00:34,785 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:00:34,785 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 17] total 29 [2021-07-13 20:00:34,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640128927] [2021-07-13 20:00:34,785 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-13 20:00:34,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:00:34,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-13 20:00:34,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=725, Unknown=0, NotChecked=0, Total=870 [2021-07-13 20:00:34,786 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) [2021-07-13 20:00:37,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:00:37,692 INFO L93 Difference]: Finished difference Result 25865 states and 63837 transitions. [2021-07-13 20:00:37,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-07-13 20:00:37,693 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 [2021-07-13 20:00:37,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:00:37,753 INFO L225 Difference]: With dead ends: 25865 [2021-07-13 20:00:37,753 INFO L226 Difference]: Without dead ends: 25865 [2021-07-13 20:00:37,755 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6848 ImplicationChecksByTransitivity, 2468.1ms TimeCoverageRelationStatistics Valid=4818, Invalid=13272, Unknown=0, NotChecked=0, Total=18090 [2021-07-13 20:00:37,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25865 states. [2021-07-13 20:00:38,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25865 to 17253. [2021-07-13 20:00:38,170 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) [2021-07-13 20:00:38,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17253 states to 17253 states and 43844 transitions. [2021-07-13 20:00:38,210 INFO L78 Accepts]: Start accepts. Automaton has 17253 states and 43844 transitions. Word has length 40 [2021-07-13 20:00:38,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:00:38,211 INFO L482 AbstractCegarLoop]: Abstraction has 17253 states and 43844 transitions. [2021-07-13 20:00:38,211 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) [2021-07-13 20:00:38,211 INFO L276 IsEmpty]: Start isEmpty. Operand 17253 states and 43844 transitions. [2021-07-13 20:00:38,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-07-13 20:00:38,223 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:00:38,223 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 20:00:38,424 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2865,125 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 20:00:38,424 INFO L430 AbstractCegarLoop]: === Iteration 130 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:00:38,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:00:38,424 INFO L82 PathProgramCache]: Analyzing trace with hash 427737458, now seen corresponding path program 125 times [2021-07-13 20:00:38,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:00:38,424 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806994825] [2021-07-13 20:00:38,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:00:38,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:00:38,507 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 32 proven. 52 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 20:00:38,507 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:00:38,508 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806994825] [2021-07-13 20:00:38,508 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806994825] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:00:38,508 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [569206913] [2021-07-13 20:00:38,508 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 [2021-07-13 20:00:38,540 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-07-13 20:00:38,540 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:00:38,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-13 20:00:38,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:00:38,928 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 29 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:00:38,928 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [569206913] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:00:38,928 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:00:38,928 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 17] total 28 [2021-07-13 20:00:38,928 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998198540] [2021-07-13 20:00:38,928 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-13 20:00:38,928 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:00:38,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-13 20:00:38,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=667, Unknown=0, NotChecked=0, Total=812 [2021-07-13 20:00:38,929 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) [2021-07-13 20:00:40,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:00:40,858 INFO L93 Difference]: Finished difference Result 19251 states and 48390 transitions. [2021-07-13 20:00:40,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-07-13 20:00:40,858 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 [2021-07-13 20:00:40,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:00:40,892 INFO L225 Difference]: With dead ends: 19251 [2021-07-13 20:00:40,892 INFO L226 Difference]: Without dead ends: 19212 [2021-07-13 20:00:40,894 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3960 ImplicationChecksByTransitivity, 1714.0ms TimeCoverageRelationStatistics Valid=2263, Invalid=8243, Unknown=0, NotChecked=0, Total=10506 [2021-07-13 20:00:40,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19212 states. [2021-07-13 20:00:41,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19212 to 17619. [2021-07-13 20:00:41,311 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) [2021-07-13 20:00:41,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17619 states to 17619 states and 44856 transitions. [2021-07-13 20:00:41,351 INFO L78 Accepts]: Start accepts. Automaton has 17619 states and 44856 transitions. Word has length 40 [2021-07-13 20:00:41,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:00:41,351 INFO L482 AbstractCegarLoop]: Abstraction has 17619 states and 44856 transitions. [2021-07-13 20:00:41,351 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) [2021-07-13 20:00:41,351 INFO L276 IsEmpty]: Start isEmpty. Operand 17619 states and 44856 transitions. [2021-07-13 20:00:41,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-07-13 20:00:41,364 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:00:41,364 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 20:00:41,564 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 126 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2866 [2021-07-13 20:00:41,564 INFO L430 AbstractCegarLoop]: === Iteration 131 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:00:41,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:00:41,565 INFO L82 PathProgramCache]: Analyzing trace with hash -922867914, now seen corresponding path program 126 times [2021-07-13 20:00:41,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:00:41,565 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636656126] [2021-07-13 20:00:41,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:00:41,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:00:41,661 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 31 proven. 53 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 20:00:41,662 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:00:41,662 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636656126] [2021-07-13 20:00:41,662 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636656126] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:00:41,662 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [737247056] [2021-07-13 20:00:41,662 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 [2021-07-13 20:00:41,694 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-07-13 20:00:41,695 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:00:41,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-13 20:00:41,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:00:42,007 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 30 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:00:42,007 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [737247056] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:00:42,007 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:00:42,007 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 17] total 28 [2021-07-13 20:00:42,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674415343] [2021-07-13 20:00:42,007 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-13 20:00:42,007 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:00:42,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-13 20:00:42,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=673, Unknown=0, NotChecked=0, Total=812 [2021-07-13 20:00:42,008 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) [2021-07-13 20:00:44,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:00:44,990 INFO L93 Difference]: Finished difference Result 28254 states and 69498 transitions. [2021-07-13 20:00:44,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2021-07-13 20:00:44,991 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 [2021-07-13 20:00:44,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:00:45,051 INFO L225 Difference]: With dead ends: 28254 [2021-07-13 20:00:45,051 INFO L226 Difference]: Without dead ends: 28254 [2021-07-13 20:00:45,052 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7942 ImplicationChecksByTransitivity, 2558.3ms TimeCoverageRelationStatistics Valid=5440, Invalid=14300, Unknown=0, NotChecked=0, Total=19740 [2021-07-13 20:00:45,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28254 states. [2021-07-13 20:00:45,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28254 to 22012. [2021-07-13 20:00:45,487 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) [2021-07-13 20:00:45,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22012 states to 22012 states and 55487 transitions. [2021-07-13 20:00:45,538 INFO L78 Accepts]: Start accepts. Automaton has 22012 states and 55487 transitions. Word has length 40 [2021-07-13 20:00:45,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:00:45,538 INFO L482 AbstractCegarLoop]: Abstraction has 22012 states and 55487 transitions. [2021-07-13 20:00:45,539 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) [2021-07-13 20:00:45,539 INFO L276 IsEmpty]: Start isEmpty. Operand 22012 states and 55487 transitions. [2021-07-13 20:00:45,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-07-13 20:00:45,554 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:00:45,554 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 20:00:45,754 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2867,127 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 20:00:45,755 INFO L430 AbstractCegarLoop]: === Iteration 132 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:00:45,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:00:45,755 INFO L82 PathProgramCache]: Analyzing trace with hash 163167602, now seen corresponding path program 127 times [2021-07-13 20:00:45,755 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:00:45,755 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135479223] [2021-07-13 20:00:45,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:00:45,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:00:45,841 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 38 proven. 46 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 20:00:45,841 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:00:45,841 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135479223] [2021-07-13 20:00:45,841 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135479223] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:00:45,841 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1462229339] [2021-07-13 20:00:45,841 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 [2021-07-13 20:00:45,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:00:45,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-13 20:00:45,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:00:46,146 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 34 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:00:46,147 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1462229339] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:00:46,147 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:00:46,147 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 17] total 27 [2021-07-13 20:00:46,147 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547207371] [2021-07-13 20:00:46,147 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-13 20:00:46,147 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:00:46,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-13 20:00:46,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=610, Unknown=0, NotChecked=0, Total=756 [2021-07-13 20:00:46,147 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) [2021-07-13 20:00:48,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:00:48,062 INFO L93 Difference]: Finished difference Result 23071 states and 57669 transitions. [2021-07-13 20:00:48,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-07-13 20:00:48,063 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 [2021-07-13 20:00:48,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:00:48,116 INFO L225 Difference]: With dead ends: 23071 [2021-07-13 20:00:48,117 INFO L226 Difference]: Without dead ends: 23053 [2021-07-13 20:00:48,117 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3632 ImplicationChecksByTransitivity, 1579.2ms TimeCoverageRelationStatistics Valid=2150, Invalid=7552, Unknown=0, NotChecked=0, Total=9702 [2021-07-13 20:00:48,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23053 states. [2021-07-13 20:00:48,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23053 to 22214. [2021-07-13 20:00:48,550 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) [2021-07-13 20:00:48,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22214 states to 22214 states and 56037 transitions. [2021-07-13 20:00:48,610 INFO L78 Accepts]: Start accepts. Automaton has 22214 states and 56037 transitions. Word has length 40 [2021-07-13 20:00:48,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:00:48,610 INFO L482 AbstractCegarLoop]: Abstraction has 22214 states and 56037 transitions. [2021-07-13 20:00:48,610 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) [2021-07-13 20:00:48,610 INFO L276 IsEmpty]: Start isEmpty. Operand 22214 states and 56037 transitions. [2021-07-13 20:00:48,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-07-13 20:00:48,630 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:00:48,630 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 20:00:48,838 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 128 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2868 [2021-07-13 20:00:48,838 INFO L430 AbstractCegarLoop]: === Iteration 133 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:00:48,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:00:48,838 INFO L82 PathProgramCache]: Analyzing trace with hash 1520419894, now seen corresponding path program 128 times [2021-07-13 20:00:48,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:00:48,838 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18119419] [2021-07-13 20:00:48,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:00:48,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:00:48,924 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 30 proven. 54 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 20:00:48,925 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:00:48,925 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18119419] [2021-07-13 20:00:48,925 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18119419] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:00:48,925 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1778606117] [2021-07-13 20:00:48,925 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 [2021-07-13 20:00:48,961 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 20:00:48,961 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:00:48,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-13 20:00:48,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:00:49,254 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 30 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:00:49,254 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1778606117] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:00:49,255 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:00:49,255 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 17] total 27 [2021-07-13 20:00:49,255 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258823819] [2021-07-13 20:00:49,255 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-13 20:00:49,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:00:49,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-13 20:00:49,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=619, Unknown=0, NotChecked=0, Total=756 [2021-07-13 20:00:49,256 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) [2021-07-13 20:00:52,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:00:52,223 INFO L93 Difference]: Finished difference Result 36775 states and 91582 transitions. [2021-07-13 20:00:52,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2021-07-13 20:00:52,223 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 [2021-07-13 20:00:52,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:00:52,315 INFO L225 Difference]: With dead ends: 36775 [2021-07-13 20:00:52,315 INFO L226 Difference]: Without dead ends: 36775 [2021-07-13 20:00:52,318 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8274 ImplicationChecksByTransitivity, 2502.0ms TimeCoverageRelationStatistics Valid=5518, Invalid=14504, Unknown=0, NotChecked=0, Total=20022 [2021-07-13 20:00:52,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36775 states. [2021-07-13 20:00:52,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36775 to 32904. [2021-07-13 20:00:53,012 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) [2021-07-13 20:00:53,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32904 states to 32904 states and 83244 transitions. [2021-07-13 20:00:53,103 INFO L78 Accepts]: Start accepts. Automaton has 32904 states and 83244 transitions. Word has length 40 [2021-07-13 20:00:53,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:00:53,103 INFO L482 AbstractCegarLoop]: Abstraction has 32904 states and 83244 transitions. [2021-07-13 20:00:53,103 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) [2021-07-13 20:00:53,104 INFO L276 IsEmpty]: Start isEmpty. Operand 32904 states and 83244 transitions. [2021-07-13 20:00:53,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-07-13 20:00:53,126 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:00:53,126 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 20:00:53,326 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 129 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2869 [2021-07-13 20:00:53,327 INFO L430 AbstractCegarLoop]: === Iteration 134 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:00:53,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:00:53,327 INFO L82 PathProgramCache]: Analyzing trace with hash -425600740, now seen corresponding path program 129 times [2021-07-13 20:00:53,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:00:53,327 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842771902] [2021-07-13 20:00:53,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:00:53,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:00:53,419 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 43 proven. 41 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 20:00:53,419 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:00:53,419 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842771902] [2021-07-13 20:00:53,419 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842771902] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:00:53,419 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [579388082] [2021-07-13 20:00:53,419 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 [2021-07-13 20:00:53,451 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-07-13 20:00:53,451 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:00:53,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-13 20:00:53,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:00:53,882 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 38 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:00:53,882 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [579388082] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:00:53,882 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:00:53,882 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 17] total 26 [2021-07-13 20:00:53,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176805848] [2021-07-13 20:00:53,882 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-13 20:00:53,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:00:53,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-13 20:00:53,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=567, Unknown=0, NotChecked=0, Total=702 [2021-07-13 20:00:53,883 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) [2021-07-13 20:00:55,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:00:55,710 INFO L93 Difference]: Finished difference Result 35887 states and 89458 transitions. [2021-07-13 20:00:55,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-07-13 20:00:55,711 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 [2021-07-13 20:00:55,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:00:55,802 INFO L225 Difference]: With dead ends: 35887 [2021-07-13 20:00:55,803 INFO L226 Difference]: Without dead ends: 35883 [2021-07-13 20:00:55,804 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3426 ImplicationChecksByTransitivity, 1622.0ms TimeCoverageRelationStatistics Valid=2678, Invalid=7024, Unknown=0, NotChecked=0, Total=9702 [2021-07-13 20:00:55,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35883 states. [2021-07-13 20:00:56,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35883 to 32269. [2021-07-13 20:00:56,625 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) [2021-07-13 20:00:56,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32269 states to 32269 states and 81524 transitions. [2021-07-13 20:00:56,710 INFO L78 Accepts]: Start accepts. Automaton has 32269 states and 81524 transitions. Word has length 40 [2021-07-13 20:00:56,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:00:56,710 INFO L482 AbstractCegarLoop]: Abstraction has 32269 states and 81524 transitions. [2021-07-13 20:00:56,710 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) [2021-07-13 20:00:56,710 INFO L276 IsEmpty]: Start isEmpty. Operand 32269 states and 81524 transitions. [2021-07-13 20:00:56,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-07-13 20:00:56,732 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:00:56,732 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 20:00:56,932 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 130 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2870 [2021-07-13 20:00:56,932 INFO L430 AbstractCegarLoop]: === Iteration 135 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:00:56,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:00:56,933 INFO L82 PathProgramCache]: Analyzing trace with hash -931947006, now seen corresponding path program 130 times [2021-07-13 20:00:56,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:00:56,933 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618515042] [2021-07-13 20:00:56,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:00:56,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:00:57,013 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 37 proven. 47 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 20:00:57,013 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:00:57,013 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618515042] [2021-07-13 20:00:57,013 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618515042] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:00:57,013 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [783501117] [2021-07-13 20:00:57,014 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 [2021-07-13 20:00:57,043 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 20:00:57,043 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:00:57,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-13 20:00:57,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:00:57,322 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 33 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:00:57,323 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [783501117] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:00:57,323 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:00:57,323 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 17] total 27 [2021-07-13 20:00:57,323 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707151744] [2021-07-13 20:00:57,323 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-13 20:00:57,323 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:00:57,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-13 20:00:57,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=622, Unknown=0, NotChecked=0, Total=756 [2021-07-13 20:00:57,323 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) [2021-07-13 20:00:59,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:00:59,107 INFO L93 Difference]: Finished difference Result 36401 states and 90806 transitions. [2021-07-13 20:00:59,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-07-13 20:00:59,108 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 [2021-07-13 20:00:59,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:00:59,197 INFO L225 Difference]: With dead ends: 36401 [2021-07-13 20:00:59,197 INFO L226 Difference]: Without dead ends: 36389 [2021-07-13 20:00:59,198 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3240 ImplicationChecksByTransitivity, 1427.8ms TimeCoverageRelationStatistics Valid=2417, Invalid=6895, Unknown=0, NotChecked=0, Total=9312 [2021-07-13 20:00:59,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36389 states. [2021-07-13 20:01:00,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36389 to 31831. [2021-07-13 20:01:00,150 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) [2021-07-13 20:01:00,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31831 states to 31831 states and 80454 transitions. [2021-07-13 20:01:00,232 INFO L78 Accepts]: Start accepts. Automaton has 31831 states and 80454 transitions. Word has length 40 [2021-07-13 20:01:00,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:01:00,232 INFO L482 AbstractCegarLoop]: Abstraction has 31831 states and 80454 transitions. [2021-07-13 20:01:00,232 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) [2021-07-13 20:01:00,233 INFO L276 IsEmpty]: Start isEmpty. Operand 31831 states and 80454 transitions. [2021-07-13 20:01:00,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-07-13 20:01:00,255 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:01:00,255 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 20:01:00,455 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2871,131 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 20:01:00,455 INFO L430 AbstractCegarLoop]: === Iteration 136 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:01:00,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:01:00,456 INFO L82 PathProgramCache]: Analyzing trace with hash -1159168386, now seen corresponding path program 131 times [2021-07-13 20:01:00,456 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:01:00,456 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117642255] [2021-07-13 20:01:00,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:01:00,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:01:00,545 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 30 proven. 54 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 20:01:00,545 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:01:00,545 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117642255] [2021-07-13 20:01:00,545 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117642255] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:01:00,545 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [468533906] [2021-07-13 20:01:00,545 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 [2021-07-13 20:01:00,575 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-07-13 20:01:00,575 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:01:00,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-13 20:01:00,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:01:00,857 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 27 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:01:00,857 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [468533906] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:01:00,857 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:01:00,857 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 17] total 28 [2021-07-13 20:01:00,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768035274] [2021-07-13 20:01:00,857 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-13 20:01:00,857 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:01:00,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-13 20:01:00,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=674, Unknown=0, NotChecked=0, Total=812 [2021-07-13 20:01:00,858 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) [2021-07-13 20:01:01,349 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 10 [2021-07-13 20:01:02,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:01:02,775 INFO L93 Difference]: Finished difference Result 37561 states and 93690 transitions. [2021-07-13 20:01:02,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-07-13 20:01:02,775 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 [2021-07-13 20:01:02,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:01:02,866 INFO L225 Difference]: With dead ends: 37561 [2021-07-13 20:01:02,866 INFO L226 Difference]: Without dead ends: 37541 [2021-07-13 20:01:02,867 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3190 ImplicationChecksByTransitivity, 1597.2ms TimeCoverageRelationStatistics Valid=2289, Invalid=7023, Unknown=0, NotChecked=0, Total=9312 [2021-07-13 20:01:02,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37541 states. [2021-07-13 20:01:03,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37541 to 32042. [2021-07-13 20:01:03,678 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) [2021-07-13 20:01:03,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32042 states to 32042 states and 81056 transitions. [2021-07-13 20:01:03,768 INFO L78 Accepts]: Start accepts. Automaton has 32042 states and 81056 transitions. Word has length 40 [2021-07-13 20:01:03,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:01:03,768 INFO L482 AbstractCegarLoop]: Abstraction has 32042 states and 81056 transitions. [2021-07-13 20:01:03,768 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) [2021-07-13 20:01:03,768 INFO L276 IsEmpty]: Start isEmpty. Operand 32042 states and 81056 transitions. [2021-07-13 20:01:03,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-07-13 20:01:03,793 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:01:03,793 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 20:01:04,017 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 132 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2872 [2021-07-13 20:01:04,017 INFO L430 AbstractCegarLoop]: === Iteration 137 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:01:04,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:01:04,017 INFO L82 PathProgramCache]: Analyzing trace with hash -475582470, now seen corresponding path program 132 times [2021-07-13 20:01:04,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:01:04,017 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345396660] [2021-07-13 20:01:04,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:01:04,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:01:04,115 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 27 proven. 57 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 20:01:04,115 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:01:04,115 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345396660] [2021-07-13 20:01:04,115 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345396660] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:01:04,115 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1352353080] [2021-07-13 20:01:04,116 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 [2021-07-13 20:01:04,148 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-07-13 20:01:04,148 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:01:04,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-13 20:01:04,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:01:04,438 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 25 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:01:04,438 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1352353080] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:01:04,439 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:01:04,439 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 17] total 29 [2021-07-13 20:01:04,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099381539] [2021-07-13 20:01:04,439 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-13 20:01:04,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:01:04,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-13 20:01:04,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=724, Unknown=0, NotChecked=0, Total=870 [2021-07-13 20:01:04,439 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) [2021-07-13 20:01:06,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:01:06,433 INFO L93 Difference]: Finished difference Result 39838 states and 99403 transitions. [2021-07-13 20:01:06,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-07-13 20:01:06,433 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 [2021-07-13 20:01:06,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:01:06,542 INFO L225 Difference]: With dead ends: 39838 [2021-07-13 20:01:06,542 INFO L226 Difference]: Without dead ends: 39810 [2021-07-13 20:01:06,543 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3289 ImplicationChecksByTransitivity, 1510.6ms TimeCoverageRelationStatistics Valid=2297, Invalid=7405, Unknown=0, NotChecked=0, Total=9702 [2021-07-13 20:01:06,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39810 states. [2021-07-13 20:01:07,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39810 to 33837. [2021-07-13 20:01:07,326 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) [2021-07-13 20:01:07,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33837 states to 33837 states and 85808 transitions. [2021-07-13 20:01:07,416 INFO L78 Accepts]: Start accepts. Automaton has 33837 states and 85808 transitions. Word has length 40 [2021-07-13 20:01:07,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:01:07,417 INFO L482 AbstractCegarLoop]: Abstraction has 33837 states and 85808 transitions. [2021-07-13 20:01:07,417 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) [2021-07-13 20:01:07,417 INFO L276 IsEmpty]: Start isEmpty. Operand 33837 states and 85808 transitions. [2021-07-13 20:01:07,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-07-13 20:01:07,439 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:01:07,439 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 20:01:07,639 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 133 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2873 [2021-07-13 20:01:07,639 INFO L430 AbstractCegarLoop]: === Iteration 138 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:01:07,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:01:07,640 INFO L82 PathProgramCache]: Analyzing trace with hash -679513482, now seen corresponding path program 133 times [2021-07-13 20:01:07,640 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:01:07,640 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056553084] [2021-07-13 20:01:07,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:01:07,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:01:07,758 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 28 proven. 56 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 20:01:07,758 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:01:07,758 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056553084] [2021-07-13 20:01:07,758 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056553084] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:01:07,758 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [438566761] [2021-07-13 20:01:07,758 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 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 [2021-07-13 20:01:07,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:01:07,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-13 20:01:07,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:01:08,258 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 27 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:01:08,259 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [438566761] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:01:08,259 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:01:08,259 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17] total 30 [2021-07-13 20:01:08,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912026166] [2021-07-13 20:01:08,259 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-13 20:01:08,259 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:01:08,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-13 20:01:08,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=772, Unknown=0, NotChecked=0, Total=930 [2021-07-13 20:01:08,259 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) [2021-07-13 20:01:10,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:01:10,307 INFO L93 Difference]: Finished difference Result 43908 states and 109576 transitions. [2021-07-13 20:01:10,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-07-13 20:01:10,307 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 [2021-07-13 20:01:10,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:01:10,404 INFO L225 Difference]: With dead ends: 43908 [2021-07-13 20:01:10,404 INFO L226 Difference]: Without dead ends: 43872 [2021-07-13 20:01:10,405 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3564 ImplicationChecksByTransitivity, 1833.7ms TimeCoverageRelationStatistics Valid=2443, Invalid=8063, Unknown=0, NotChecked=0, Total=10506 [2021-07-13 20:01:10,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43872 states. [2021-07-13 20:01:11,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43872 to 40323. [2021-07-13 20:01:11,382 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) [2021-07-13 20:01:11,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40323 states to 40323 states and 102333 transitions. [2021-07-13 20:01:11,500 INFO L78 Accepts]: Start accepts. Automaton has 40323 states and 102333 transitions. Word has length 40 [2021-07-13 20:01:11,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:01:11,500 INFO L482 AbstractCegarLoop]: Abstraction has 40323 states and 102333 transitions. [2021-07-13 20:01:11,500 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) [2021-07-13 20:01:11,500 INFO L276 IsEmpty]: Start isEmpty. Operand 40323 states and 102333 transitions. [2021-07-13 20:01:11,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-07-13 20:01:11,527 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:01:11,527 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 20:01:11,727 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 134 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2874 [2021-07-13 20:01:11,728 INFO L430 AbstractCegarLoop]: === Iteration 139 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:01:11,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:01:11,728 INFO L82 PathProgramCache]: Analyzing trace with hash 911279602, now seen corresponding path program 134 times [2021-07-13 20:01:11,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:01:11,728 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861358286] [2021-07-13 20:01:11,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:01:11,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:01:11,846 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 33 proven. 51 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 20:01:11,846 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:01:11,846 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861358286] [2021-07-13 20:01:11,846 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861358286] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:01:11,846 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [380259556] [2021-07-13 20:01:11,846 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 [2021-07-13 20:01:11,875 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 20:01:11,876 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:01:11,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-13 20:01:11,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:01:12,178 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 33 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:01:12,178 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [380259556] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:01:12,178 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:01:12,178 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17] total 31 [2021-07-13 20:01:12,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810890113] [2021-07-13 20:01:12,178 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-07-13 20:01:12,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:01:12,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-07-13 20:01:12,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=818, Unknown=0, NotChecked=0, Total=992 [2021-07-13 20:01:12,179 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) [2021-07-13 20:01:14,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:01:14,696 INFO L93 Difference]: Finished difference Result 50681 states and 126374 transitions. [2021-07-13 20:01:14,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-13 20:01:14,715 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 [2021-07-13 20:01:14,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:01:14,863 INFO L225 Difference]: With dead ends: 50681 [2021-07-13 20:01:14,863 INFO L226 Difference]: Without dead ends: 50637 [2021-07-13 20:01:14,863 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4059 ImplicationChecksByTransitivity, 2119.7ms TimeCoverageRelationStatistics Valid=2727, Invalid=9045, Unknown=0, NotChecked=0, Total=11772 [2021-07-13 20:01:14,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50637 states. [2021-07-13 20:01:15,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50637 to 46817. [2021-07-13 20:01:16,007 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) [2021-07-13 20:01:16,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46817 states to 46817 states and 118617 transitions. [2021-07-13 20:01:16,146 INFO L78 Accepts]: Start accepts. Automaton has 46817 states and 118617 transitions. Word has length 40 [2021-07-13 20:01:16,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:01:16,146 INFO L482 AbstractCegarLoop]: Abstraction has 46817 states and 118617 transitions. [2021-07-13 20:01:16,146 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) [2021-07-13 20:01:16,147 INFO L276 IsEmpty]: Start isEmpty. Operand 46817 states and 118617 transitions. [2021-07-13 20:01:16,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-07-13 20:01:16,181 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:01:16,181 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 20:01:16,381 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2875,135 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 20:01:16,381 INFO L430 AbstractCegarLoop]: === Iteration 140 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:01:16,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:01:16,382 INFO L82 PathProgramCache]: Analyzing trace with hash 655075950, now seen corresponding path program 135 times [2021-07-13 20:01:16,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:01:16,382 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807377295] [2021-07-13 20:01:16,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:01:16,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:01:16,712 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 1 [2021-07-13 20:01:16,725 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 43 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:01:16,725 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:01:16,725 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807377295] [2021-07-13 20:01:16,725 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807377295] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:01:16,726 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [734973356] [2021-07-13 20:01:16,726 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 [2021-07-13 20:01:16,799 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-07-13 20:01:16,799 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:01:16,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-13 20:01:16,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:01:17,156 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 43 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:01:17,157 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [734973356] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:01:17,157 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:01:17,157 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-07-13 20:01:17,157 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918913674] [2021-07-13 20:01:17,157 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-13 20:01:17,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:01:17,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-13 20:01:17,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=862, Unknown=0, NotChecked=0, Total=1056 [2021-07-13 20:01:17,158 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) [2021-07-13 20:01:19,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:01:19,799 INFO L93 Difference]: Finished difference Result 50538 states and 126417 transitions. [2021-07-13 20:01:19,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-07-13 20:01:19,800 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 [2021-07-13 20:01:19,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:01:19,922 INFO L225 Difference]: With dead ends: 50538 [2021-07-13 20:01:19,922 INFO L226 Difference]: Without dead ends: 50486 [2021-07-13 20:01:19,923 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4831 ImplicationChecksByTransitivity, 2182.4ms TimeCoverageRelationStatistics Valid=3147, Invalid=10425, Unknown=0, NotChecked=0, Total=13572 [2021-07-13 20:01:19,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50486 states. [2021-07-13 20:01:20,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50486 to 46981. [2021-07-13 20:01:21,010 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) [2021-07-13 20:01:21,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46981 states to 46981 states and 119175 transitions. [2021-07-13 20:01:21,307 INFO L78 Accepts]: Start accepts. Automaton has 46981 states and 119175 transitions. Word has length 40 [2021-07-13 20:01:21,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:01:21,307 INFO L482 AbstractCegarLoop]: Abstraction has 46981 states and 119175 transitions. [2021-07-13 20:01:21,307 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) [2021-07-13 20:01:21,307 INFO L276 IsEmpty]: Start isEmpty. Operand 46981 states and 119175 transitions. [2021-07-13 20:01:21,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-07-13 20:01:21,351 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:01:21,351 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 20:01:21,551 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 136 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2876 [2021-07-13 20:01:21,552 INFO L430 AbstractCegarLoop]: === Iteration 141 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:01:21,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:01:21,552 INFO L82 PathProgramCache]: Analyzing trace with hash -1401589900, now seen corresponding path program 136 times [2021-07-13 20:01:21,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:01:21,552 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225380245] [2021-07-13 20:01:21,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:01:21,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:01:21,606 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:01:21,606 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:01:21,606 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225380245] [2021-07-13 20:01:21,606 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225380245] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:01:21,606 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1258639481] [2021-07-13 20:01:21,606 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 [2021-07-13 20:01:21,644 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 20:01:21,644 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:01:21,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 45 conjunts are in the unsatisfiable core [2021-07-13 20:01:21,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:01:21,876 INFO L354 Elim1Store]: treesize reduction 72, result has 57.4 percent of original size [2021-07-13 20:01:21,876 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 13 new quantified variables, introduced 21 case distinctions, treesize of input 151 treesize of output 153 [2021-07-13 20:01:21,879 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:01:21,930 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:01:21,931 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:01:21,931 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:151, output treesize:422 [2021-07-13 20:01:22,144 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-07-13 20:01:24,312 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2021-07-13 20:01:26,571 WARN L205 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 621 DAG size of output: 621 [2021-07-13 20:01:28,321 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 1196 [2021-07-13 20:01:29,449 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1196 [2021-07-13 20:01:31,006 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 1196 [2021-07-13 20:01:50,536 WARN L205 SmtUtils]: Spent 12.81 s on a formula simplification. DAG size of input: 1196 DAG size of output: 58 [2021-07-13 20:01:52,001 INFO L354 Elim1Store]: treesize reduction 153, result has 9.5 percent of original size [2021-07-13 20:01:52,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2021-07-13 20:01:52,004 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:01:52,186 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 111 [2021-07-13 20:01:52,186 INFO L628 ElimStorePlain]: treesize reduction 863, result has 37.4 percent of original size [2021-07-13 20:01:52,269 INFO L354 Elim1Store]: treesize reduction 113, result has 33.1 percent of original size [2021-07-13 20:01:52,269 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 13 new quantified variables, introduced 21 case distinctions, treesize of input 86 treesize of output 91 [2021-07-13 20:01:52,271 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:01:52,322 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:01:52,374 INFO L354 Elim1Store]: treesize reduction 151, result has 10.7 percent of original size [2021-07-13 20:01:52,375 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 13 new quantified variables, introduced 21 case distinctions, treesize of input 87 treesize of output 52 [2021-07-13 20:01:52,377 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:01:52,423 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:01:52,465 INFO L354 Elim1Store]: treesize reduction 156, result has 7.7 percent of original size [2021-07-13 20:01:52,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2021-07-13 20:01:52,466 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 20:01:52,507 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:01:52,615 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 50 [2021-07-13 20:01:52,615 INFO L354 Elim1Store]: treesize reduction 84, result has 50.3 percent of original size [2021-07-13 20:01:52,616 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 13 new quantified variables, introduced 21 case distinctions, treesize of input 101 treesize of output 133 [2021-07-13 20:01:52,620 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 20:01:52,631 INFO L628 ElimStorePlain]: treesize reduction 179, result has 1.6 percent of original size [2021-07-13 20:01:52,631 INFO L518 ElimStorePlain]: Eliminatee v_prenex_138 vanished before elimination [2021-07-13 20:01:52,631 INFO L518 ElimStorePlain]: Eliminatee v_prenex_139 vanished before elimination [2021-07-13 20:01:52,632 INFO L550 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 7 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:01:52,632 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 14 variables, input treesize:1590, output treesize:3 [2021-07-13 20:01:52,638 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:01:52,638 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1258639481] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:01:52,638 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:01:52,638 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 16] total 23 [2021-07-13 20:01:52,638 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773050679] [2021-07-13 20:01:52,639 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-13 20:01:52,639 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:01:52,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-13 20:01:52,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=450, Unknown=1, NotChecked=0, Total=506 [2021-07-13 20:01:52,639 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) [2021-07-13 20:01:53,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:01:53,779 INFO L93 Difference]: Finished difference Result 50920 states and 128844 transitions. [2021-07-13 20:01:53,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-13 20:01:53,779 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 [2021-07-13 20:01:53,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:01:53,930 INFO L225 Difference]: With dead ends: 50920 [2021-07-13 20:01:53,931 INFO L226 Difference]: Without dead ends: 50913 [2021-07-13 20:01:53,931 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 36 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 20591.8ms TimeCoverageRelationStatistics Valid=55, Invalid=450, Unknown=1, NotChecked=0, Total=506 [2021-07-13 20:01:53,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50913 states. [2021-07-13 20:01:54,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50913 to 49976. [2021-07-13 20:01:55,028 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) [2021-07-13 20:01:55,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49976 states to 49976 states and 127041 transitions. [2021-07-13 20:01:55,179 INFO L78 Accepts]: Start accepts. Automaton has 49976 states and 127041 transitions. Word has length 42 [2021-07-13 20:01:55,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:01:55,179 INFO L482 AbstractCegarLoop]: Abstraction has 49976 states and 127041 transitions. [2021-07-13 20:01:55,179 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) [2021-07-13 20:01:55,179 INFO L276 IsEmpty]: Start isEmpty. Operand 49976 states and 127041 transitions. [2021-07-13 20:01:55,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-07-13 20:01:55,223 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:01:55,223 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 20:01:55,424 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2877,137 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 20:01:55,424 INFO L430 AbstractCegarLoop]: === Iteration 142 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:01:55,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:01:55,424 INFO L82 PathProgramCache]: Analyzing trace with hash 631984244, now seen corresponding path program 137 times [2021-07-13 20:01:55,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:01:55,424 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284105298] [2021-07-13 20:01:55,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:01:55,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:01:55,480 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-13 20:01:55,480 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:01:55,480 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284105298] [2021-07-13 20:01:55,481 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284105298] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:01:55,481 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1148826457] [2021-07-13 20:01:55,481 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 [2021-07-13 20:01:55,520 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-07-13 20:01:55,520 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:01:55,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 49 conjunts are in the unsatisfiable core [2021-07-13 20:01:55,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:01:56,392 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2021-07-13 20:01:56,392 INFO L354 Elim1Store]: treesize reduction 755, result has 23.8 percent of original size [2021-07-13 20:01:56,392 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 [2021-07-13 20:01:56,399 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:01:56,449 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:01:56,451 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:01:56,451 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:187, output treesize:412 [2021-07-13 20:01:57,923 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2021-07-13 20:01:58,213 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:01:58,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:01:58,215 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:01:58,281 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:01:58,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:01:58,282 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:01:58,362 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:01:58,362 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 192 treesize of output 55 [2021-07-13 20:01:58,364 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:01:58,435 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:01:58,436 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 169 treesize of output 50 [2021-07-13 20:01:58,437 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 20:01:58,508 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:01:58,509 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 199 treesize of output 56 [2021-07-13 20:01:58,510 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 20:01:58,579 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:01:58,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:01:58,581 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 20:01:58,665 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:01:58,665 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 212 treesize of output 65 [2021-07-13 20:01:58,667 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-13 20:01:58,741 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:01:58,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 1 [2021-07-13 20:01:58,742 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-13 20:01:58,815 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:01:58,815 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 193 treesize of output 54 [2021-07-13 20:01:58,817 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-13 20:01:58,899 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:01:58,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:01:58,902 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-13 20:01:58,975 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:01:58,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:01:58,976 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-13 20:01:59,064 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:01:59,065 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 202 treesize of output 63 [2021-07-13 20:01:59,066 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-13 20:01:59,154 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:01:59,155 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 212 treesize of output 65 [2021-07-13 20:01:59,156 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-13 20:01:59,232 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:01:59,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:01:59,233 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-13 20:01:59,341 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:01:59,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:01:59,342 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-13 20:01:59,423 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:01:59,423 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 218 treesize of output 1 [2021-07-13 20:01:59,424 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-13 20:01:59,506 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:01:59,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:01:59,507 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-13 20:01:59,584 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:01:59,585 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 213 treesize of output 58 [2021-07-13 20:01:59,586 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-13 20:01:59,663 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:01:59,664 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 213 treesize of output 58 [2021-07-13 20:01:59,665 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-13 20:01:59,747 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:01:59,748 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 207 treesize of output 1 [2021-07-13 20:01:59,748 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-13 20:01:59,830 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:01:59,830 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 182 treesize of output 53 [2021-07-13 20:01:59,831 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-13 20:01:59,910 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:01:59,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 211 treesize of output 58 [2021-07-13 20:01:59,912 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-13 20:01:59,997 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:01:59,997 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 210 treesize of output 55 [2021-07-13 20:01:59,999 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:00,092 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:00,092 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 217 treesize of output 66 [2021-07-13 20:02:00,094 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:00,195 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:00,195 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 [2021-07-13 20:02:00,197 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:00,315 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:00,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:02:00,318 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:00,442 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:00,442 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 232 treesize of output 1 [2021-07-13 20:02:00,443 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:00,526 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:00,526 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 194 treesize of output 55 [2021-07-13 20:02:00,528 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:00,611 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:00,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:00,613 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:00,701 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:00,701 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 175 treesize of output 52 [2021-07-13 20:02:00,702 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:00,787 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:00,788 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 199 treesize of output 56 [2021-07-13 20:02:00,789 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:00,886 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:00,886 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 202 treesize of output 63 [2021-07-13 20:02:00,888 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:00,975 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:00,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:00,976 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:01,069 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:01,069 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 179 treesize of output 52 [2021-07-13 20:02:01,070 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:01,168 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:01,169 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 227 treesize of output 68 [2021-07-13 20:02:01,171 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:01,258 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:01,259 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 191 treesize of output 52 [2021-07-13 20:02:01,261 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:01,354 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:01,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:01,356 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:01,458 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:01,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:02:01,460 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:01,557 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:01,558 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 154 treesize of output 1 [2021-07-13 20:02:01,558 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:01,656 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:01,656 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 205 treesize of output 56 [2021-07-13 20:02:01,657 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:01,756 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:01,756 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 223 treesize of output 1 [2021-07-13 20:02:01,757 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:01,850 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:01,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:01,852 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:01,945 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:01,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:01,947 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:02,050 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:02,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:02:02,052 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:02,159 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:02,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:02:02,161 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:02,260 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:02,260 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 154 treesize of output 1 [2021-07-13 20:02:02,261 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:02,361 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:02,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:02,363 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:02,464 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:02,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:02,465 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:02,561 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:02,562 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 189 treesize of output 54 [2021-07-13 20:02:02,564 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:02,661 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:02,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:02,662 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:02,763 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:02,763 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 213 treesize of output 58 [2021-07-13 20:02:02,765 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:02,863 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:02,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:02,865 INFO L550 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:03,008 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:03,008 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 207 treesize of output 64 [2021-07-13 20:02:03,010 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:03,108 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:03,108 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 206 treesize of output 57 [2021-07-13 20:02:03,109 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:03,219 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:03,220 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 206 treesize of output 1 [2021-07-13 20:02:03,220 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:03,338 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:03,338 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 227 treesize of output 68 [2021-07-13 20:02:03,339 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:03,441 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:03,441 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 212 treesize of output 59 [2021-07-13 20:02:03,442 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:03,560 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:03,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:03,562 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:03,669 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:03,670 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 218 treesize of output 59 [2021-07-13 20:02:03,671 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:03,777 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:03,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:03,777 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:03,893 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:03,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:02:03,894 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:03,999 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:04,000 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 184 treesize of output 53 [2021-07-13 20:02:04,001 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:04,110 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:04,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:04,111 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:04,218 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:04,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 1 [2021-07-13 20:02:04,219 INFO L550 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:04,324 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:04,324 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 191 treesize of output 52 [2021-07-13 20:02:04,325 INFO L550 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:04,433 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:04,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:04,435 INFO L550 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:04,544 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:04,545 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 203 treesize of output 58 [2021-07-13 20:02:04,546 INFO L550 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:04,657 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:04,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:04,659 INFO L550 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:05,002 INFO L244 Elim1Store]: Index analysis took 282 ms [2021-07-13 20:02:05,014 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:05,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:05,016 INFO L550 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:05,083 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:05,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:02:05,085 INFO L550 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:05,143 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:05,143 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 177 treesize of output 52 [2021-07-13 20:02:05,144 INFO L550 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:05,202 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:05,203 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 202 treesize of output 57 [2021-07-13 20:02:05,204 INFO L550 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:05,263 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:05,263 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 179 treesize of output 52 [2021-07-13 20:02:05,264 INFO L550 ElimStorePlain]: Start of recursive call 74: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:05,329 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:05,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:05,331 INFO L550 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:05,393 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:05,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:05,394 INFO L550 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:05,463 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:05,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:05,465 INFO L550 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:05,528 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:05,529 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 211 treesize of output 58 [2021-07-13 20:02:05,530 INFO L550 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:05,593 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:05,593 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 209 treesize of output 56 [2021-07-13 20:02:05,594 INFO L550 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:05,666 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:05,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:05,667 INFO L550 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:05,731 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:05,731 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 194 treesize of output 55 [2021-07-13 20:02:05,733 INFO L550 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:05,809 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:05,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:02:05,811 INFO L550 ElimStorePlain]: Start of recursive call 82: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:05,877 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:05,878 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 204 treesize of output 55 [2021-07-13 20:02:05,879 INFO L550 ElimStorePlain]: Start of recursive call 83: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:05,945 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:05,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:05,947 INFO L550 ElimStorePlain]: Start of recursive call 84: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:06,019 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:06,020 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 208 treesize of output 59 [2021-07-13 20:02:06,021 INFO L550 ElimStorePlain]: Start of recursive call 85: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:06,088 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:06,088 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 192 treesize of output 55 [2021-07-13 20:02:06,090 INFO L550 ElimStorePlain]: Start of recursive call 86: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:06,165 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:06,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:06,166 INFO L550 ElimStorePlain]: Start of recursive call 87: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:06,234 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:06,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:06,236 INFO L550 ElimStorePlain]: Start of recursive call 88: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:06,304 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:06,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:06,306 INFO L550 ElimStorePlain]: Start of recursive call 89: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:06,374 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:06,374 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 232 treesize of output 63 [2021-07-13 20:02:06,375 INFO L550 ElimStorePlain]: Start of recursive call 90: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:06,445 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:06,445 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 180 treesize of output 51 [2021-07-13 20:02:06,458 INFO L550 ElimStorePlain]: Start of recursive call 91: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:06,717 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:06,717 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 212 treesize of output 59 [2021-07-13 20:02:06,719 INFO L550 ElimStorePlain]: Start of recursive call 92: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:06,774 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:06,775 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 192 treesize of output 55 [2021-07-13 20:02:06,776 INFO L550 ElimStorePlain]: Start of recursive call 93: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:06,833 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:06,833 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 185 treesize of output 52 [2021-07-13 20:02:06,834 INFO L550 ElimStorePlain]: Start of recursive call 94: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:06,893 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:06,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:06,894 INFO L550 ElimStorePlain]: Start of recursive call 95: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:06,951 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:06,952 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 179 treesize of output 52 [2021-07-13 20:02:06,953 INFO L550 ElimStorePlain]: Start of recursive call 96: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:07,011 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:07,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:07,013 INFO L550 ElimStorePlain]: Start of recursive call 97: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:07,072 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:07,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:07,074 INFO L550 ElimStorePlain]: Start of recursive call 98: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:07,134 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:07,134 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 215 treesize of output 56 [2021-07-13 20:02:07,136 INFO L550 ElimStorePlain]: Start of recursive call 99: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:07,210 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:07,210 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 175 treesize of output 52 [2021-07-13 20:02:07,212 INFO L550 ElimStorePlain]: Start of recursive call 100: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:07,275 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:07,275 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 217 treesize of output 60 [2021-07-13 20:02:07,277 INFO L550 ElimStorePlain]: Start of recursive call 101: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:07,359 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:07,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:02:07,361 INFO L550 ElimStorePlain]: Start of recursive call 102: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:07,425 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:07,425 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 182 treesize of output 53 [2021-07-13 20:02:07,426 INFO L550 ElimStorePlain]: Start of recursive call 103: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:07,503 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:07,503 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 212 treesize of output 65 [2021-07-13 20:02:07,515 INFO L550 ElimStorePlain]: Start of recursive call 104: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:07,594 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:07,594 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 222 treesize of output 67 [2021-07-13 20:02:07,596 INFO L550 ElimStorePlain]: Start of recursive call 105: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:07,660 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:07,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:07,662 INFO L550 ElimStorePlain]: Start of recursive call 106: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:07,728 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:07,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:07,731 INFO L550 ElimStorePlain]: Start of recursive call 107: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:07,796 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:07,796 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 197 treesize of output 56 [2021-07-13 20:02:07,798 INFO L550 ElimStorePlain]: Start of recursive call 108: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:07,873 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:07,874 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 197 treesize of output 56 [2021-07-13 20:02:07,875 INFO L550 ElimStorePlain]: Start of recursive call 109: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:07,944 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:07,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:07,946 INFO L550 ElimStorePlain]: Start of recursive call 110: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:08,012 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:08,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:08,014 INFO L550 ElimStorePlain]: Start of recursive call 111: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:08,082 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:08,083 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 [2021-07-13 20:02:08,084 INFO L550 ElimStorePlain]: Start of recursive call 112: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:08,151 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:08,151 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 192 treesize of output 55 [2021-07-13 20:02:08,157 INFO L550 ElimStorePlain]: Start of recursive call 113: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:08,225 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:08,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:08,227 INFO L550 ElimStorePlain]: Start of recursive call 114: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:08,307 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:08,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:02:08,309 INFO L550 ElimStorePlain]: Start of recursive call 115: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:08,386 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:08,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:08,387 INFO L550 ElimStorePlain]: Start of recursive call 116: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:08,458 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:08,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:08,460 INFO L550 ElimStorePlain]: Start of recursive call 117: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:08,532 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:08,533 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 212 treesize of output 59 [2021-07-13 20:02:08,534 INFO L550 ElimStorePlain]: Start of recursive call 118: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:08,607 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:08,607 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 206 treesize of output 55 [2021-07-13 20:02:08,609 INFO L550 ElimStorePlain]: Start of recursive call 119: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:08,680 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:08,681 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 218 treesize of output 61 [2021-07-13 20:02:08,682 INFO L550 ElimStorePlain]: Start of recursive call 120: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:08,758 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:08,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:08,759 INFO L550 ElimStorePlain]: Start of recursive call 121: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:08,832 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:08,832 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 235 treesize of output 62 [2021-07-13 20:02:08,833 INFO L550 ElimStorePlain]: Start of recursive call 122: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:08,907 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:08,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:08,909 INFO L550 ElimStorePlain]: Start of recursive call 123: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:08,984 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:08,984 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 201 treesize of output 54 [2021-07-13 20:02:08,985 INFO L550 ElimStorePlain]: Start of recursive call 124: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:09,069 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:09,070 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 206 treesize of output 57 [2021-07-13 20:02:09,071 INFO L550 ElimStorePlain]: Start of recursive call 125: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:09,147 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:09,148 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 201 treesize of output 56 [2021-07-13 20:02:09,149 INFO L550 ElimStorePlain]: Start of recursive call 126: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:09,225 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:09,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:09,227 INFO L550 ElimStorePlain]: Start of recursive call 127: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:09,315 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:09,315 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 222 treesize of output 67 [2021-07-13 20:02:09,316 INFO L550 ElimStorePlain]: Start of recursive call 128: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:09,398 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:09,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:09,400 INFO L550 ElimStorePlain]: Start of recursive call 129: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:09,480 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:09,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:09,481 INFO L550 ElimStorePlain]: Start of recursive call 130: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:09,560 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:09,561 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 192 treesize of output 55 [2021-07-13 20:02:09,562 INFO L550 ElimStorePlain]: Start of recursive call 131: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:09,641 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:09,641 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 216 treesize of output 59 [2021-07-13 20:02:09,643 INFO L550 ElimStorePlain]: Start of recursive call 132: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:09,723 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:09,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:09,725 INFO L550 ElimStorePlain]: Start of recursive call 133: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:09,805 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:09,805 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 180 treesize of output 51 [2021-07-13 20:02:09,806 INFO L550 ElimStorePlain]: Start of recursive call 134: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:09,896 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:09,897 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 227 treesize of output 68 [2021-07-13 20:02:09,898 INFO L550 ElimStorePlain]: Start of recursive call 135: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:09,978 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:09,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:09,980 INFO L550 ElimStorePlain]: Start of recursive call 136: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:10,062 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:10,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:10,064 INFO L550 ElimStorePlain]: Start of recursive call 137: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:10,159 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:10,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:02:10,160 INFO L550 ElimStorePlain]: Start of recursive call 138: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:10,245 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:10,245 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 185 treesize of output 52 [2021-07-13 20:02:10,247 INFO L550 ElimStorePlain]: Start of recursive call 139: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:10,329 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:10,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:10,331 INFO L550 ElimStorePlain]: Start of recursive call 140: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:10,413 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:10,414 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 214 treesize of output 57 [2021-07-13 20:02:10,415 INFO L550 ElimStorePlain]: Start of recursive call 141: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:10,499 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:10,499 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 225 treesize of output 60 [2021-07-13 20:02:10,500 INFO L550 ElimStorePlain]: Start of recursive call 142: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:10,585 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:10,586 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 197 treesize of output 56 [2021-07-13 20:02:10,587 INFO L550 ElimStorePlain]: Start of recursive call 143: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:10,673 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:10,673 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 196 treesize of output 55 [2021-07-13 20:02:10,674 INFO L550 ElimStorePlain]: Start of recursive call 144: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:10,760 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:10,760 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 159 treesize of output 48 [2021-07-13 20:02:10,762 INFO L550 ElimStorePlain]: Start of recursive call 145: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:10,849 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:10,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:10,851 INFO L550 ElimStorePlain]: Start of recursive call 146: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:10,936 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:10,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:10,938 INFO L550 ElimStorePlain]: Start of recursive call 147: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:11,024 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:11,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:11,026 INFO L550 ElimStorePlain]: Start of recursive call 148: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:11,113 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:11,113 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 154 treesize of output 47 [2021-07-13 20:02:11,114 INFO L550 ElimStorePlain]: Start of recursive call 149: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:11,202 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:11,203 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 220 treesize of output 59 [2021-07-13 20:02:11,204 INFO L550 ElimStorePlain]: Start of recursive call 150: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:11,292 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:11,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:11,293 INFO L550 ElimStorePlain]: Start of recursive call 151: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:11,393 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:11,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:02:11,395 INFO L550 ElimStorePlain]: Start of recursive call 152: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:11,484 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:11,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:11,486 INFO L550 ElimStorePlain]: Start of recursive call 153: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:11,575 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:11,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:11,576 INFO L550 ElimStorePlain]: Start of recursive call 154: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:11,666 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:11,667 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 191 treesize of output 54 [2021-07-13 20:02:11,668 INFO L550 ElimStorePlain]: Start of recursive call 155: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:11,753 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:11,754 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 220 treesize of output 59 [2021-07-13 20:02:11,755 INFO L550 ElimStorePlain]: Start of recursive call 156: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:11,842 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:11,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:11,844 INFO L550 ElimStorePlain]: Start of recursive call 157: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:11,932 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:11,932 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 184 treesize of output 53 [2021-07-13 20:02:11,934 INFO L550 ElimStorePlain]: Start of recursive call 158: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:12,023 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:12,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:12,025 INFO L550 ElimStorePlain]: Start of recursive call 159: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:12,118 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:12,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 212 treesize of output 59 [2021-07-13 20:02:12,119 INFO L550 ElimStorePlain]: Start of recursive call 160: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:12,211 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:12,211 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 198 treesize of output 57 [2021-07-13 20:02:12,212 INFO L550 ElimStorePlain]: Start of recursive call 161: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:12,312 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:12,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:12,314 INFO L550 ElimStorePlain]: Start of recursive call 162: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:12,422 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:12,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:02:12,424 INFO L550 ElimStorePlain]: Start of recursive call 163: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:12,518 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:12,518 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 206 treesize of output 57 [2021-07-13 20:02:12,520 INFO L550 ElimStorePlain]: Start of recursive call 164: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:12,614 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:12,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:12,615 INFO L550 ElimStorePlain]: Start of recursive call 165: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:12,708 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:12,709 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 194 treesize of output 55 [2021-07-13 20:02:12,710 INFO L550 ElimStorePlain]: Start of recursive call 166: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:12,804 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:12,805 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 218 treesize of output 59 [2021-07-13 20:02:12,806 INFO L550 ElimStorePlain]: Start of recursive call 167: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:12,901 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:12,901 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 207 treesize of output 58 [2021-07-13 20:02:12,903 INFO L550 ElimStorePlain]: Start of recursive call 168: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:13,008 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:13,008 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 237 treesize of output 70 [2021-07-13 20:02:13,010 INFO L550 ElimStorePlain]: Start of recursive call 169: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:13,103 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:13,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:13,105 INFO L550 ElimStorePlain]: Start of recursive call 170: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:13,201 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:13,201 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 210 treesize of output 57 [2021-07-13 20:02:13,203 INFO L550 ElimStorePlain]: Start of recursive call 171: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:13,300 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:13,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:13,301 INFO L550 ElimStorePlain]: Start of recursive call 172: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:13,399 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:13,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:13,400 INFO L550 ElimStorePlain]: Start of recursive call 173: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:13,500 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:13,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:13,502 INFO L550 ElimStorePlain]: Start of recursive call 174: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:13,601 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:13,601 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 224 treesize of output 59 [2021-07-13 20:02:13,602 INFO L550 ElimStorePlain]: Start of recursive call 175: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:13,701 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:13,702 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 215 treesize of output 56 [2021-07-13 20:02:13,703 INFO L550 ElimStorePlain]: Start of recursive call 176: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:13,800 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:13,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:13,802 INFO L550 ElimStorePlain]: Start of recursive call 177: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:13,899 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:13,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:13,901 INFO L550 ElimStorePlain]: Start of recursive call 178: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:14,009 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:14,009 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 207 treesize of output 64 [2021-07-13 20:02:14,010 INFO L550 ElimStorePlain]: Start of recursive call 179: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:14,110 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:14,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:14,111 INFO L550 ElimStorePlain]: Start of recursive call 180: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:14,212 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:14,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:14,214 INFO L550 ElimStorePlain]: Start of recursive call 181: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:14,314 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:14,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:14,315 INFO L550 ElimStorePlain]: Start of recursive call 182: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:14,415 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:14,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:14,417 INFO L550 ElimStorePlain]: Start of recursive call 183: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:14,516 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:14,516 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 210 treesize of output 57 [2021-07-13 20:02:14,518 INFO L550 ElimStorePlain]: Start of recursive call 184: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:14,619 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:14,619 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 169 treesize of output 50 [2021-07-13 20:02:14,620 INFO L550 ElimStorePlain]: Start of recursive call 185: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:14,723 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:14,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:14,725 INFO L550 ElimStorePlain]: Start of recursive call 186: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:14,836 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:14,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:02:14,838 INFO L550 ElimStorePlain]: Start of recursive call 187: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:14,938 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:14,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:14,939 INFO L550 ElimStorePlain]: Start of recursive call 188: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:15,055 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:15,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:02:15,057 INFO L550 ElimStorePlain]: Start of recursive call 189: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:15,163 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:15,164 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 182 treesize of output 53 [2021-07-13 20:02:15,165 INFO L550 ElimStorePlain]: Start of recursive call 190: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:15,271 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:15,271 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 187 treesize of output 54 [2021-07-13 20:02:15,272 INFO L550 ElimStorePlain]: Start of recursive call 191: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:15,376 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:15,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:15,378 INFO L550 ElimStorePlain]: Start of recursive call 192: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:15,482 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:15,482 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 244 treesize of output 63 [2021-07-13 20:02:15,484 INFO L550 ElimStorePlain]: Start of recursive call 193: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:15,596 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:15,597 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 212 treesize of output 65 [2021-07-13 20:02:15,599 INFO L550 ElimStorePlain]: Start of recursive call 194: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:15,701 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:15,701 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 206 treesize of output 55 [2021-07-13 20:02:15,703 INFO L550 ElimStorePlain]: Start of recursive call 195: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:15,805 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:15,805 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 217 treesize of output 60 [2021-07-13 20:02:15,806 INFO L550 ElimStorePlain]: Start of recursive call 196: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:15,909 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:15,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 192 treesize of output 55 [2021-07-13 20:02:15,911 INFO L550 ElimStorePlain]: Start of recursive call 197: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:16,016 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:16,016 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 200 treesize of output 55 [2021-07-13 20:02:16,018 INFO L550 ElimStorePlain]: Start of recursive call 198: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:16,124 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:16,125 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 196 treesize of output 55 [2021-07-13 20:02:16,126 INFO L550 ElimStorePlain]: Start of recursive call 199: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:16,231 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:16,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:16,233 INFO L550 ElimStorePlain]: Start of recursive call 200: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:16,341 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:16,342 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 209 treesize of output 58 [2021-07-13 20:02:16,343 INFO L550 ElimStorePlain]: Start of recursive call 201: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:16,450 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:16,451 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 199 treesize of output 56 [2021-07-13 20:02:16,452 INFO L550 ElimStorePlain]: Start of recursive call 202: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:16,569 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:16,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:16,571 INFO L550 ElimStorePlain]: Start of recursive call 203: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:16,681 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:16,681 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 202 treesize of output 57 [2021-07-13 20:02:16,683 INFO L550 ElimStorePlain]: Start of recursive call 204: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:16,793 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:16,794 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 211 treesize of output 58 [2021-07-13 20:02:16,795 INFO L550 ElimStorePlain]: Start of recursive call 205: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:16,905 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:16,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:16,906 INFO L550 ElimStorePlain]: Start of recursive call 206: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:17,017 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:17,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:17,019 INFO L550 ElimStorePlain]: Start of recursive call 207: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:17,131 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:17,131 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 174 treesize of output 51 [2021-07-13 20:02:17,133 INFO L550 ElimStorePlain]: Start of recursive call 208: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:17,246 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:17,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:17,248 INFO L550 ElimStorePlain]: Start of recursive call 209: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:17,361 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:17,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:17,363 INFO L550 ElimStorePlain]: Start of recursive call 210: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:17,474 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:17,474 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 189 treesize of output 54 [2021-07-13 20:02:17,475 INFO L550 ElimStorePlain]: Start of recursive call 211: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:17,587 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:17,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:17,588 INFO L550 ElimStorePlain]: Start of recursive call 212: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:17,700 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:17,700 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 184 treesize of output 53 [2021-07-13 20:02:17,702 INFO L550 ElimStorePlain]: Start of recursive call 213: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:17,816 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:17,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:17,818 INFO L550 ElimStorePlain]: Start of recursive call 214: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:17,931 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:17,931 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 194 treesize of output 55 [2021-07-13 20:02:17,933 INFO L550 ElimStorePlain]: Start of recursive call 215: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:18,044 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:18,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:18,046 INFO L550 ElimStorePlain]: Start of recursive call 216: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:18,171 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:18,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:02:18,173 INFO L550 ElimStorePlain]: Start of recursive call 217: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:18,300 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:18,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:18,301 INFO L550 ElimStorePlain]: Start of recursive call 218: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:18,431 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:18,431 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 222 treesize of output 67 [2021-07-13 20:02:18,433 INFO L550 ElimStorePlain]: Start of recursive call 219: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:18,577 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:18,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:18,579 INFO L550 ElimStorePlain]: Start of recursive call 220: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:18,691 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:18,691 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 225 treesize of output 58 [2021-07-13 20:02:18,692 INFO L550 ElimStorePlain]: Start of recursive call 221: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:18,806 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:18,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:18,807 INFO L550 ElimStorePlain]: Start of recursive call 222: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:18,919 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:18,919 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 183 treesize of output 52 [2021-07-13 20:02:18,920 INFO L550 ElimStorePlain]: Start of recursive call 223: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:19,033 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:19,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:19,035 INFO L550 ElimStorePlain]: Start of recursive call 224: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:19,148 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:19,148 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 216 treesize of output 59 [2021-07-13 20:02:19,150 INFO L550 ElimStorePlain]: Start of recursive call 225: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:19,264 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:19,264 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 207 treesize of output 58 [2021-07-13 20:02:19,266 INFO L550 ElimStorePlain]: Start of recursive call 226: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:19,381 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:19,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:19,382 INFO L550 ElimStorePlain]: Start of recursive call 227: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:19,503 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:19,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:19,506 INFO L550 ElimStorePlain]: Start of recursive call 228: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:19,623 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:19,624 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 184 treesize of output 53 [2021-07-13 20:02:19,626 INFO L550 ElimStorePlain]: Start of recursive call 229: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:19,742 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:19,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:19,744 INFO L550 ElimStorePlain]: Start of recursive call 230: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:19,860 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:19,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:19,862 INFO L550 ElimStorePlain]: Start of recursive call 231: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:19,974 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:19,974 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 198 treesize of output 55 [2021-07-13 20:02:19,975 INFO L550 ElimStorePlain]: Start of recursive call 232: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:20,087 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:20,087 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 206 treesize of output 57 [2021-07-13 20:02:20,089 INFO L550 ElimStorePlain]: Start of recursive call 233: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:20,202 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:20,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:20,203 INFO L550 ElimStorePlain]: Start of recursive call 234: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:20,332 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:20,332 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 213 treesize of output 60 [2021-07-13 20:02:20,334 INFO L550 ElimStorePlain]: Start of recursive call 235: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:20,450 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:20,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:20,452 INFO L550 ElimStorePlain]: Start of recursive call 236: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:20,580 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:20,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:02:20,582 INFO L550 ElimStorePlain]: Start of recursive call 237: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:20,698 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:20,698 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 182 treesize of output 53 [2021-07-13 20:02:20,699 INFO L550 ElimStorePlain]: Start of recursive call 238: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:20,815 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:20,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:20,817 INFO L550 ElimStorePlain]: Start of recursive call 239: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:20,932 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:20,932 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 179 treesize of output 52 [2021-07-13 20:02:20,934 INFO L550 ElimStorePlain]: Start of recursive call 240: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:21,050 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:21,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:21,052 INFO L550 ElimStorePlain]: Start of recursive call 241: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:21,179 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:21,179 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 199 treesize of output 56 [2021-07-13 20:02:21,180 INFO L550 ElimStorePlain]: Start of recursive call 242: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:21,309 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:21,310 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 202 treesize of output 63 [2021-07-13 20:02:21,311 INFO L550 ElimStorePlain]: Start of recursive call 243: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:21,427 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:21,427 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 190 treesize of output 55 [2021-07-13 20:02:21,428 INFO L550 ElimStorePlain]: Start of recursive call 244: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:21,543 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:21,543 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 198 treesize of output 57 [2021-07-13 20:02:21,544 INFO L550 ElimStorePlain]: Start of recursive call 245: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:21,669 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:21,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:21,671 INFO L550 ElimStorePlain]: Start of recursive call 246: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:21,788 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:21,788 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 180 treesize of output 51 [2021-07-13 20:02:21,790 INFO L550 ElimStorePlain]: Start of recursive call 247: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:21,907 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:21,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 50 [2021-07-13 20:02:21,909 INFO L550 ElimStorePlain]: Start of recursive call 248: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:22,026 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:22,026 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 207 treesize of output 58 [2021-07-13 20:02:22,028 INFO L550 ElimStorePlain]: Start of recursive call 249: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:22,146 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:22,146 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 229 treesize of output 60 [2021-07-13 20:02:22,147 INFO L550 ElimStorePlain]: Start of recursive call 250: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:22,264 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:22,265 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 232 treesize of output 63 [2021-07-13 20:02:22,266 INFO L550 ElimStorePlain]: Start of recursive call 251: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:22,384 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:22,385 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 195 treesize of output 54 [2021-07-13 20:02:22,386 INFO L550 ElimStorePlain]: Start of recursive call 252: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:22,506 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:22,507 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 200 treesize of output 53 [2021-07-13 20:02:22,508 INFO L550 ElimStorePlain]: Start of recursive call 253: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:22,631 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:22,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:22,632 INFO L550 ElimStorePlain]: Start of recursive call 254: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:22,752 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:22,752 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 220 treesize of output 57 [2021-07-13 20:02:22,753 INFO L550 ElimStorePlain]: Start of recursive call 255: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:22,874 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:22,874 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 180 treesize of output 53 [2021-07-13 20:02:22,876 INFO L550 ElimStorePlain]: Start of recursive call 256: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:23,003 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:23,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:23,004 INFO L550 ElimStorePlain]: Start of recursive call 257: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:23,125 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:23,125 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 187 treesize of output 54 [2021-07-13 20:02:23,126 INFO L550 ElimStorePlain]: Start of recursive call 258: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:23,252 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:23,252 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 204 treesize of output 57 [2021-07-13 20:02:23,254 INFO L550 ElimStorePlain]: Start of recursive call 259: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:23,373 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:23,374 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 199 treesize of output 56 [2021-07-13 20:02:23,375 INFO L550 ElimStorePlain]: Start of recursive call 260: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:23,495 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:23,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:23,497 INFO L550 ElimStorePlain]: Start of recursive call 261: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:23,617 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:23,618 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 184 treesize of output 53 [2021-07-13 20:02:23,619 INFO L550 ElimStorePlain]: Start of recursive call 262: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:23,739 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:23,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:23,741 INFO L550 ElimStorePlain]: Start of recursive call 263: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:23,860 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:23,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:23,862 INFO L550 ElimStorePlain]: Start of recursive call 264: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:23,982 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:23,982 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 182 treesize of output 53 [2021-07-13 20:02:23,984 INFO L550 ElimStorePlain]: Start of recursive call 265: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:24,105 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:24,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:24,106 INFO L550 ElimStorePlain]: Start of recursive call 266: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:24,230 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:24,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:24,232 INFO L550 ElimStorePlain]: Start of recursive call 267: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:24,354 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:24,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:24,356 INFO L550 ElimStorePlain]: Start of recursive call 268: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:24,481 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:24,482 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 193 treesize of output 54 [2021-07-13 20:02:24,483 INFO L550 ElimStorePlain]: Start of recursive call 269: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:24,603 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:24,603 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 207 treesize of output 58 [2021-07-13 20:02:24,605 INFO L550 ElimStorePlain]: Start of recursive call 270: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:24,725 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:24,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:24,727 INFO L550 ElimStorePlain]: Start of recursive call 271: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:24,848 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:24,848 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 170 treesize of output 51 [2021-07-13 20:02:24,850 INFO L550 ElimStorePlain]: Start of recursive call 272: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:24,970 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:24,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:24,971 INFO L550 ElimStorePlain]: Start of recursive call 273: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:25,094 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:25,094 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 159 treesize of output 48 [2021-07-13 20:02:25,095 INFO L550 ElimStorePlain]: Start of recursive call 274: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:25,230 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:25,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:02:25,232 INFO L550 ElimStorePlain]: Start of recursive call 275: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:25,355 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:25,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:25,356 INFO L550 ElimStorePlain]: Start of recursive call 276: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:25,477 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:25,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:25,480 INFO L550 ElimStorePlain]: Start of recursive call 277: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:25,612 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:25,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:02:25,614 INFO L550 ElimStorePlain]: Start of recursive call 278: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:25,737 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:25,737 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 177 treesize of output 52 [2021-07-13 20:02:25,739 INFO L550 ElimStorePlain]: Start of recursive call 279: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:25,866 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:25,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:25,868 INFO L550 ElimStorePlain]: Start of recursive call 280: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:25,997 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:25,997 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 217 treesize of output 60 [2021-07-13 20:02:25,999 INFO L550 ElimStorePlain]: Start of recursive call 281: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:26,126 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:26,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:26,128 INFO L550 ElimStorePlain]: Start of recursive call 282: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:26,251 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:26,251 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 215 treesize of output 58 [2021-07-13 20:02:26,253 INFO L550 ElimStorePlain]: Start of recursive call 283: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:26,378 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:26,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:26,380 INFO L550 ElimStorePlain]: Start of recursive call 284: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:26,505 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:26,505 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 189 treesize of output 54 [2021-07-13 20:02:26,507 INFO L550 ElimStorePlain]: Start of recursive call 285: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:26,724 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:26,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:02:26,726 INFO L550 ElimStorePlain]: Start of recursive call 286: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:26,855 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:26,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:26,857 INFO L550 ElimStorePlain]: Start of recursive call 287: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:27,000 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:27,000 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 217 treesize of output 60 [2021-07-13 20:02:27,001 INFO L550 ElimStorePlain]: Start of recursive call 288: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:27,138 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:27,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:02:27,140 INFO L550 ElimStorePlain]: Start of recursive call 289: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:27,278 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:27,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:02:27,280 INFO L550 ElimStorePlain]: Start of recursive call 290: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:27,405 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:27,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:27,407 INFO L550 ElimStorePlain]: Start of recursive call 291: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:27,541 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:27,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:27,542 INFO L550 ElimStorePlain]: Start of recursive call 292: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:27,680 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:27,680 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 197 treesize of output 56 [2021-07-13 20:02:27,681 INFO L550 ElimStorePlain]: Start of recursive call 293: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:27,823 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:27,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:02:27,824 INFO L550 ElimStorePlain]: Start of recursive call 294: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:27,950 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:27,950 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 159 treesize of output 48 [2021-07-13 20:02:27,951 INFO L550 ElimStorePlain]: Start of recursive call 295: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:28,075 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:28,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:28,076 INFO L550 ElimStorePlain]: Start of recursive call 296: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:28,199 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:28,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:28,200 INFO L550 ElimStorePlain]: Start of recursive call 297: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:28,326 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:28,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:28,328 INFO L550 ElimStorePlain]: Start of recursive call 298: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:28,453 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:28,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:28,455 INFO L550 ElimStorePlain]: Start of recursive call 299: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:28,578 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:28,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:28,580 INFO L550 ElimStorePlain]: Start of recursive call 300: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:28,707 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:28,707 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 [2021-07-13 20:02:28,709 INFO L550 ElimStorePlain]: Start of recursive call 301: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:28,835 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:28,835 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 205 treesize of output 56 [2021-07-13 20:02:28,837 INFO L550 ElimStorePlain]: Start of recursive call 302: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:28,962 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:28,962 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 208 treesize of output 59 [2021-07-13 20:02:28,963 INFO L550 ElimStorePlain]: Start of recursive call 303: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:29,088 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:29,088 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 188 treesize of output 55 [2021-07-13 20:02:29,090 INFO L550 ElimStorePlain]: Start of recursive call 304: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:29,217 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:29,217 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 192 treesize of output 55 [2021-07-13 20:02:29,219 INFO L550 ElimStorePlain]: Start of recursive call 305: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:29,344 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:29,344 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 184 treesize of output 53 [2021-07-13 20:02:29,345 INFO L550 ElimStorePlain]: Start of recursive call 306: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:29,468 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:29,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:29,470 INFO L550 ElimStorePlain]: Start of recursive call 307: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:29,595 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:29,596 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 186 treesize of output 51 [2021-07-13 20:02:29,598 INFO L550 ElimStorePlain]: Start of recursive call 308: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:29,725 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:29,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:29,727 INFO L550 ElimStorePlain]: Start of recursive call 309: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:29,937 INFO L244 Elim1Store]: Index analysis took 135 ms [2021-07-13 20:02:29,944 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:29,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:29,945 INFO L550 ElimStorePlain]: Start of recursive call 310: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:29,984 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:29,984 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 164 treesize of output 49 [2021-07-13 20:02:29,986 INFO L550 ElimStorePlain]: Start of recursive call 311: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:30,026 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:30,026 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 198 treesize of output 57 [2021-07-13 20:02:30,027 INFO L550 ElimStorePlain]: Start of recursive call 312: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:30,067 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:30,067 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 182 treesize of output 53 [2021-07-13 20:02:30,069 INFO L550 ElimStorePlain]: Start of recursive call 313: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:30,118 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:30,118 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 207 treesize of output 64 [2021-07-13 20:02:30,120 INFO L550 ElimStorePlain]: Start of recursive call 314: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:30,159 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:30,160 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 208 treesize of output 57 [2021-07-13 20:02:30,161 INFO L550 ElimStorePlain]: Start of recursive call 315: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:30,201 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:30,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:30,203 INFO L550 ElimStorePlain]: Start of recursive call 316: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:30,244 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:30,244 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 180 treesize of output 53 [2021-07-13 20:02:30,246 INFO L550 ElimStorePlain]: Start of recursive call 317: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:30,286 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:30,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:30,288 INFO L550 ElimStorePlain]: Start of recursive call 318: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:30,339 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:30,339 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 202 treesize of output 63 [2021-07-13 20:02:30,341 INFO L550 ElimStorePlain]: Start of recursive call 319: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:30,383 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:30,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:30,385 INFO L550 ElimStorePlain]: Start of recursive call 320: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:30,427 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:30,427 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 192 treesize of output 55 [2021-07-13 20:02:30,429 INFO L550 ElimStorePlain]: Start of recursive call 321: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:30,472 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:30,472 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 211 treesize of output 58 [2021-07-13 20:02:30,473 INFO L550 ElimStorePlain]: Start of recursive call 322: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:30,516 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:30,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:30,518 INFO L550 ElimStorePlain]: Start of recursive call 323: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:30,560 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:30,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:30,561 INFO L550 ElimStorePlain]: Start of recursive call 324: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:30,613 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:30,613 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 217 treesize of output 66 [2021-07-13 20:02:30,615 INFO L550 ElimStorePlain]: Start of recursive call 325: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:30,659 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:30,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:30,660 INFO L550 ElimStorePlain]: Start of recursive call 326: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:30,704 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:30,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:30,705 INFO L550 ElimStorePlain]: Start of recursive call 327: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:30,749 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:30,750 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 220 treesize of output 59 [2021-07-13 20:02:30,751 INFO L550 ElimStorePlain]: Start of recursive call 328: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:30,795 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:30,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:30,797 INFO L550 ElimStorePlain]: Start of recursive call 329: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:30,852 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:30,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:02:30,853 INFO L550 ElimStorePlain]: Start of recursive call 330: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:30,899 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:30,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:30,900 INFO L550 ElimStorePlain]: Start of recursive call 331: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:30,946 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:30,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:30,947 INFO L550 ElimStorePlain]: Start of recursive call 332: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:30,992 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:30,992 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 206 treesize of output 57 [2021-07-13 20:02:30,993 INFO L550 ElimStorePlain]: Start of recursive call 333: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:31,049 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:31,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:02:31,050 INFO L550 ElimStorePlain]: Start of recursive call 334: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:31,095 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:31,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:31,097 INFO L550 ElimStorePlain]: Start of recursive call 335: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:31,142 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:31,143 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 184 treesize of output 53 [2021-07-13 20:02:31,144 INFO L550 ElimStorePlain]: Start of recursive call 336: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:31,190 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:31,190 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 182 treesize of output 53 [2021-07-13 20:02:31,191 INFO L550 ElimStorePlain]: Start of recursive call 337: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:31,238 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:31,238 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 184 treesize of output 53 [2021-07-13 20:02:31,239 INFO L550 ElimStorePlain]: Start of recursive call 338: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:31,286 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:31,287 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 203 treesize of output 58 [2021-07-13 20:02:31,288 INFO L550 ElimStorePlain]: Start of recursive call 339: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:31,345 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:31,346 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 217 treesize of output 66 [2021-07-13 20:02:31,347 INFO L550 ElimStorePlain]: Start of recursive call 340: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:31,404 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:31,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:02:31,405 INFO L550 ElimStorePlain]: Start of recursive call 341: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:31,462 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:31,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:02:31,464 INFO L550 ElimStorePlain]: Start of recursive call 342: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:31,519 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:31,519 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 203 treesize of output 56 [2021-07-13 20:02:31,521 INFO L550 ElimStorePlain]: Start of recursive call 343: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:31,570 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:31,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:31,571 INFO L550 ElimStorePlain]: Start of recursive call 344: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:31,621 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:31,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 189 treesize of output 54 [2021-07-13 20:02:31,623 INFO L550 ElimStorePlain]: Start of recursive call 345: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:31,683 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:31,683 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 194 treesize of output 55 [2021-07-13 20:02:31,685 INFO L550 ElimStorePlain]: Start of recursive call 346: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:31,734 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:31,734 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 213 treesize of output 58 [2021-07-13 20:02:31,736 INFO L550 ElimStorePlain]: Start of recursive call 347: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:31,784 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:31,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:31,786 INFO L550 ElimStorePlain]: Start of recursive call 348: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:31,834 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:31,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:31,836 INFO L550 ElimStorePlain]: Start of recursive call 349: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:31,885 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:31,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:31,886 INFO L550 ElimStorePlain]: Start of recursive call 350: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:31,935 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:31,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:31,937 INFO L550 ElimStorePlain]: Start of recursive call 351: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:31,986 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:31,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:31,988 INFO L550 ElimStorePlain]: Start of recursive call 352: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:32,038 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:32,038 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 185 treesize of output 52 [2021-07-13 20:02:32,039 INFO L550 ElimStorePlain]: Start of recursive call 353: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:32,089 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:32,089 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 217 treesize of output 60 [2021-07-13 20:02:32,091 INFO L550 ElimStorePlain]: Start of recursive call 354: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:32,141 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:32,141 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 185 treesize of output 54 [2021-07-13 20:02:32,142 INFO L550 ElimStorePlain]: Start of recursive call 355: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:32,193 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:32,194 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 197 treesize of output 56 [2021-07-13 20:02:32,195 INFO L550 ElimStorePlain]: Start of recursive call 356: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:32,248 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:32,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:32,249 INFO L550 ElimStorePlain]: Start of recursive call 357: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:32,300 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:32,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:32,301 INFO L550 ElimStorePlain]: Start of recursive call 358: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:32,352 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:32,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:32,353 INFO L550 ElimStorePlain]: Start of recursive call 359: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:32,404 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:32,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:32,406 INFO L550 ElimStorePlain]: Start of recursive call 360: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:32,457 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:32,457 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 201 treesize of output 54 [2021-07-13 20:02:32,459 INFO L550 ElimStorePlain]: Start of recursive call 361: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:32,510 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:32,510 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 220 treesize of output 59 [2021-07-13 20:02:32,512 INFO L550 ElimStorePlain]: Start of recursive call 362: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:32,563 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:32,563 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 203 treesize of output 56 [2021-07-13 20:02:32,564 INFO L550 ElimStorePlain]: Start of recursive call 363: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:32,615 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:32,616 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 194 treesize of output 55 [2021-07-13 20:02:32,617 INFO L550 ElimStorePlain]: Start of recursive call 364: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:32,668 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:32,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:32,669 INFO L550 ElimStorePlain]: Start of recursive call 365: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:32,721 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:32,721 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 187 treesize of output 54 [2021-07-13 20:02:32,722 INFO L550 ElimStorePlain]: Start of recursive call 366: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:32,774 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:32,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:32,776 INFO L550 ElimStorePlain]: Start of recursive call 367: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:32,827 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:32,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:32,829 INFO L550 ElimStorePlain]: Start of recursive call 368: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:32,881 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:32,881 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 225 treesize of output 60 [2021-07-13 20:02:32,883 INFO L550 ElimStorePlain]: Start of recursive call 369: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:32,956 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:32,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:32,958 INFO L550 ElimStorePlain]: Start of recursive call 370: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:33,018 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:33,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:33,020 INFO L550 ElimStorePlain]: Start of recursive call 371: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:33,075 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:33,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:33,076 INFO L550 ElimStorePlain]: Start of recursive call 372: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:33,130 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:33,131 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 194 treesize of output 55 [2021-07-13 20:02:33,132 INFO L550 ElimStorePlain]: Start of recursive call 373: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:33,184 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:33,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:33,186 INFO L550 ElimStorePlain]: Start of recursive call 374: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:33,240 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:33,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:33,242 INFO L550 ElimStorePlain]: Start of recursive call 375: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:33,301 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:33,302 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 203 treesize of output 56 [2021-07-13 20:02:33,308 INFO L550 ElimStorePlain]: Start of recursive call 376: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:33,372 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:33,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 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 [2021-07-13 20:02:33,374 INFO L550 ElimStorePlain]: Start of recursive call 377: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:33,430 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:33,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:33,432 INFO L550 ElimStorePlain]: Start of recursive call 378: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:33,487 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:33,488 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 212 treesize of output 59 [2021-07-13 20:02:33,489 INFO L550 ElimStorePlain]: Start of recursive call 379: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:33,564 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:33,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:33,566 INFO L550 ElimStorePlain]: Start of recursive call 380: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:33,620 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:33,621 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 207 treesize of output 58 [2021-07-13 20:02:33,622 INFO L550 ElimStorePlain]: Start of recursive call 381: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:33,676 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:33,676 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 208 treesize of output 59 [2021-07-13 20:02:33,678 INFO L550 ElimStorePlain]: Start of recursive call 382: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:33,743 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:33,743 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 222 treesize of output 67 [2021-07-13 20:02:33,744 INFO L550 ElimStorePlain]: Start of recursive call 383: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:33,799 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:33,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:33,801 INFO L550 ElimStorePlain]: Start of recursive call 384: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:33,861 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:33,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:33,863 INFO L550 ElimStorePlain]: Start of recursive call 385: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:33,917 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:33,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:33,918 INFO L550 ElimStorePlain]: Start of recursive call 386: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:33,972 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:33,973 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 203 treesize of output 58 [2021-07-13 20:02:33,974 INFO L550 ElimStorePlain]: Start of recursive call 387: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:34,029 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:34,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:34,030 INFO L550 ElimStorePlain]: Start of recursive call 388: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:34,085 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:34,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:34,086 INFO L550 ElimStorePlain]: Start of recursive call 389: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:34,140 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:34,140 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 213 treesize of output 60 [2021-07-13 20:02:34,142 INFO L550 ElimStorePlain]: Start of recursive call 390: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:34,196 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:34,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:34,197 INFO L550 ElimStorePlain]: Start of recursive call 391: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:34,252 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:34,253 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 196 treesize of output 53 [2021-07-13 20:02:34,254 INFO L550 ElimStorePlain]: Start of recursive call 392: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:34,309 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:34,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:34,311 INFO L550 ElimStorePlain]: Start of recursive call 393: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:34,367 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:34,368 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 213 treesize of output 60 [2021-07-13 20:02:34,369 INFO L550 ElimStorePlain]: Start of recursive call 394: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:34,426 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:34,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:34,428 INFO L550 ElimStorePlain]: Start of recursive call 395: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:34,483 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:34,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:34,485 INFO L550 ElimStorePlain]: Start of recursive call 396: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:34,554 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:34,554 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 207 treesize of output 64 [2021-07-13 20:02:34,556 INFO L550 ElimStorePlain]: Start of recursive call 397: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:34,612 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:34,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:34,613 INFO L550 ElimStorePlain]: Start of recursive call 398: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:34,677 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:34,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:02:34,679 INFO L550 ElimStorePlain]: Start of recursive call 399: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:34,733 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:34,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:34,735 INFO L550 ElimStorePlain]: Start of recursive call 400: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:34,789 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:34,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 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 [2021-07-13 20:02:34,791 INFO L550 ElimStorePlain]: Start of recursive call 401: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:34,846 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:34,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:34,847 INFO L550 ElimStorePlain]: Start of recursive call 402: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:34,902 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:34,903 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 208 treesize of output 59 [2021-07-13 20:02:34,904 INFO L550 ElimStorePlain]: Start of recursive call 403: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:34,959 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:34,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:34,960 INFO L550 ElimStorePlain]: Start of recursive call 404: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:35,016 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:35,016 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 203 treesize of output 56 [2021-07-13 20:02:35,018 INFO L550 ElimStorePlain]: Start of recursive call 405: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:35,073 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:35,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:35,074 INFO L550 ElimStorePlain]: Start of recursive call 406: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:35,130 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:35,130 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 210 treesize of output 55 [2021-07-13 20:02:35,132 INFO L550 ElimStorePlain]: Start of recursive call 407: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:35,197 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:35,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:02:35,199 INFO L550 ElimStorePlain]: Start of recursive call 408: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:35,256 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:35,256 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 182 treesize of output 53 [2021-07-13 20:02:35,258 INFO L550 ElimStorePlain]: Start of recursive call 409: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:35,314 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:35,315 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 221 treesize of output 60 [2021-07-13 20:02:35,316 INFO L550 ElimStorePlain]: Start of recursive call 410: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:35,373 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:35,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 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 [2021-07-13 20:02:35,374 INFO L550 ElimStorePlain]: Start of recursive call 411: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:35,433 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:35,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:35,435 INFO L550 ElimStorePlain]: Start of recursive call 412: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:35,496 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:35,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:35,498 INFO L550 ElimStorePlain]: Start of recursive call 413: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:35,554 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:35,555 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 159 treesize of output 48 [2021-07-13 20:02:35,556 INFO L550 ElimStorePlain]: Start of recursive call 414: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:35,623 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:35,623 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 212 treesize of output 65 [2021-07-13 20:02:35,624 INFO L550 ElimStorePlain]: Start of recursive call 415: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:35,683 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:35,683 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 237 treesize of output 64 [2021-07-13 20:02:35,685 INFO L550 ElimStorePlain]: Start of recursive call 416: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:35,743 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:35,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:35,745 INFO L550 ElimStorePlain]: Start of recursive call 417: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:35,801 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:35,801 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 190 treesize of output 53 [2021-07-13 20:02:35,802 INFO L550 ElimStorePlain]: Start of recursive call 418: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:35,858 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:35,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:35,860 INFO L550 ElimStorePlain]: Start of recursive call 419: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:35,916 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:35,916 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 181 treesize of output 50 [2021-07-13 20:02:35,918 INFO L550 ElimStorePlain]: Start of recursive call 420: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:35,975 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:35,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:35,976 INFO L550 ElimStorePlain]: Start of recursive call 421: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:36,044 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:36,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:02:36,045 INFO L550 ElimStorePlain]: Start of recursive call 422: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:36,102 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:36,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:36,104 INFO L550 ElimStorePlain]: Start of recursive call 423: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:36,159 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:36,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:36,161 INFO L550 ElimStorePlain]: Start of recursive call 424: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:36,217 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:36,217 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 195 treesize of output 54 [2021-07-13 20:02:36,218 INFO L550 ElimStorePlain]: Start of recursive call 425: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:36,274 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:36,274 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 209 treesize of output 56 [2021-07-13 20:02:36,276 INFO L550 ElimStorePlain]: Start of recursive call 426: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:36,331 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:36,331 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 202 treesize of output 57 [2021-07-13 20:02:36,333 INFO L550 ElimStorePlain]: Start of recursive call 427: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:36,388 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:36,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:36,390 INFO L550 ElimStorePlain]: Start of recursive call 428: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:36,445 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:36,445 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 215 treesize of output 58 [2021-07-13 20:02:36,446 INFO L550 ElimStorePlain]: Start of recursive call 429: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:36,502 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:36,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:36,504 INFO L550 ElimStorePlain]: Start of recursive call 430: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:36,560 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:36,561 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 199 treesize of output 56 [2021-07-13 20:02:36,562 INFO L550 ElimStorePlain]: Start of recursive call 431: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:36,618 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:36,619 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 198 treesize of output 55 [2021-07-13 20:02:36,620 INFO L550 ElimStorePlain]: Start of recursive call 432: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:36,676 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:36,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:36,678 INFO L550 ElimStorePlain]: Start of recursive call 433: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:36,734 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:36,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:36,736 INFO L550 ElimStorePlain]: Start of recursive call 434: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:36,792 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:36,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:36,794 INFO L550 ElimStorePlain]: Start of recursive call 435: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:36,851 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:36,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:36,861 INFO L550 ElimStorePlain]: Start of recursive call 436: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:36,918 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:36,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:36,920 INFO L550 ElimStorePlain]: Start of recursive call 437: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:36,987 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:36,987 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 217 treesize of output 66 [2021-07-13 20:02:36,989 INFO L550 ElimStorePlain]: Start of recursive call 438: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:37,046 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:37,046 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 187 treesize of output 54 [2021-07-13 20:02:37,048 INFO L550 ElimStorePlain]: Start of recursive call 439: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:37,115 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:37,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:02:37,117 INFO L550 ElimStorePlain]: Start of recursive call 440: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:37,172 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:37,173 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 215 treesize of output 58 [2021-07-13 20:02:37,174 INFO L550 ElimStorePlain]: Start of recursive call 441: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:37,229 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:37,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:37,230 INFO L550 ElimStorePlain]: Start of recursive call 442: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:37,303 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:37,303 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 227 treesize of output 68 [2021-07-13 20:02:37,305 INFO L550 ElimStorePlain]: Start of recursive call 443: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:37,361 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:37,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:37,363 INFO L550 ElimStorePlain]: Start of recursive call 444: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:37,419 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:37,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:37,421 INFO L550 ElimStorePlain]: Start of recursive call 445: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:37,493 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:37,493 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 217 treesize of output 66 [2021-07-13 20:02:37,494 INFO L550 ElimStorePlain]: Start of recursive call 446: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:37,550 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:37,550 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 172 treesize of output 51 [2021-07-13 20:02:37,552 INFO L550 ElimStorePlain]: Start of recursive call 447: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:37,607 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:37,608 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 207 treesize of output 58 [2021-07-13 20:02:37,609 INFO L550 ElimStorePlain]: Start of recursive call 448: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:37,664 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:37,664 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 225 treesize of output 60 [2021-07-13 20:02:37,665 INFO L550 ElimStorePlain]: Start of recursive call 449: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:37,720 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:37,720 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 174 treesize of output 51 [2021-07-13 20:02:37,721 INFO L550 ElimStorePlain]: Start of recursive call 450: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:37,775 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:37,775 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 230 treesize of output 61 [2021-07-13 20:02:37,777 INFO L550 ElimStorePlain]: Start of recursive call 451: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:37,831 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:37,831 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 190 treesize of output 53 [2021-07-13 20:02:37,832 INFO L550 ElimStorePlain]: Start of recursive call 452: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:37,887 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:37,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:37,889 INFO L550 ElimStorePlain]: Start of recursive call 453: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:37,944 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:37,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:37,946 INFO L550 ElimStorePlain]: Start of recursive call 454: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:38,001 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:38,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:38,002 INFO L550 ElimStorePlain]: Start of recursive call 455: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:38,057 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:38,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:38,059 INFO L550 ElimStorePlain]: Start of recursive call 456: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:38,114 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:38,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:38,116 INFO L550 ElimStorePlain]: Start of recursive call 457: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:38,172 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:38,172 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 203 treesize of output 58 [2021-07-13 20:02:38,173 INFO L550 ElimStorePlain]: Start of recursive call 458: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:38,225 INFO L354 Elim1Store]: treesize reduction 80, result has 1.2 percent of original size [2021-07-13 20:02:38,226 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 [2021-07-13 20:02:38,227 INFO L550 ElimStorePlain]: Start of recursive call 459: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:38,287 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:38,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:38,289 INFO L550 ElimStorePlain]: Start of recursive call 460: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:38,342 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:38,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:38,345 INFO L550 ElimStorePlain]: Start of recursive call 461: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:38,398 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:38,398 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 211 treesize of output 58 [2021-07-13 20:02:38,400 INFO L550 ElimStorePlain]: Start of recursive call 462: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:38,452 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:38,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:38,454 INFO L550 ElimStorePlain]: Start of recursive call 463: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:38,515 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:38,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:02:38,517 INFO L550 ElimStorePlain]: Start of recursive call 464: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:38,580 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:38,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:02:38,582 INFO L550 ElimStorePlain]: Start of recursive call 465: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:38,636 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:38,636 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 196 treesize of output 53 [2021-07-13 20:02:38,638 INFO L550 ElimStorePlain]: Start of recursive call 466: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:38,691 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:38,692 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 186 treesize of output 51 [2021-07-13 20:02:38,693 INFO L550 ElimStorePlain]: Start of recursive call 467: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:38,748 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:38,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:38,750 INFO L550 ElimStorePlain]: Start of recursive call 468: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:38,803 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:38,804 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 182 treesize of output 53 [2021-07-13 20:02:38,805 INFO L550 ElimStorePlain]: Start of recursive call 469: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:38,858 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:38,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:38,860 INFO L550 ElimStorePlain]: Start of recursive call 470: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:38,912 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:38,912 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 202 treesize of output 57 [2021-07-13 20:02:38,914 INFO L550 ElimStorePlain]: Start of recursive call 471: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:38,968 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:38,968 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 187 treesize of output 54 [2021-07-13 20:02:38,970 INFO L550 ElimStorePlain]: Start of recursive call 472: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:39,026 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:39,026 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 187 treesize of output 54 [2021-07-13 20:02:39,028 INFO L550 ElimStorePlain]: Start of recursive call 473: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:39,080 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:39,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:39,082 INFO L550 ElimStorePlain]: Start of recursive call 474: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:39,134 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:39,134 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 187 treesize of output 54 [2021-07-13 20:02:39,135 INFO L550 ElimStorePlain]: Start of recursive call 475: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:39,187 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:39,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:39,189 INFO L550 ElimStorePlain]: Start of recursive call 476: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:39,243 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:39,243 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 215 treesize of output 56 [2021-07-13 20:02:39,244 INFO L550 ElimStorePlain]: Start of recursive call 477: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:39,296 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:39,297 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 187 treesize of output 54 [2021-07-13 20:02:39,298 INFO L550 ElimStorePlain]: Start of recursive call 478: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:39,349 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:39,350 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 202 treesize of output 57 [2021-07-13 20:02:39,351 INFO L550 ElimStorePlain]: Start of recursive call 479: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:39,413 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:39,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:02:39,415 INFO L550 ElimStorePlain]: Start of recursive call 480: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:39,467 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:39,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:39,469 INFO L550 ElimStorePlain]: Start of recursive call 481: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:39,521 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:39,521 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 198 treesize of output 57 [2021-07-13 20:02:39,522 INFO L550 ElimStorePlain]: Start of recursive call 482: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:39,574 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:39,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:39,575 INFO L550 ElimStorePlain]: Start of recursive call 483: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:39,627 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:39,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:39,629 INFO L550 ElimStorePlain]: Start of recursive call 484: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:39,682 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:39,682 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 203 treesize of output 58 [2021-07-13 20:02:39,683 INFO L550 ElimStorePlain]: Start of recursive call 485: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:39,735 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:39,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:39,737 INFO L550 ElimStorePlain]: Start of recursive call 486: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:39,787 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:39,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:39,789 INFO L550 ElimStorePlain]: Start of recursive call 487: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:39,856 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:39,856 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 202 treesize of output 57 [2021-07-13 20:02:39,857 INFO L550 ElimStorePlain]: Start of recursive call 488: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:39,907 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:39,907 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 179 treesize of output 52 [2021-07-13 20:02:39,909 INFO L550 ElimStorePlain]: Start of recursive call 489: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:39,967 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:39,967 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 222 treesize of output 67 [2021-07-13 20:02:39,969 INFO L550 ElimStorePlain]: Start of recursive call 490: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:40,027 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:40,027 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 222 treesize of output 67 [2021-07-13 20:02:40,028 INFO L550 ElimStorePlain]: Start of recursive call 491: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:40,086 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:40,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:02:40,088 INFO L550 ElimStorePlain]: Start of recursive call 492: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:40,136 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:40,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:40,138 INFO L550 ElimStorePlain]: Start of recursive call 493: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:40,195 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:40,196 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 227 treesize of output 68 [2021-07-13 20:02:40,197 INFO L550 ElimStorePlain]: Start of recursive call 494: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:40,245 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:40,245 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 221 treesize of output 60 [2021-07-13 20:02:40,247 INFO L550 ElimStorePlain]: Start of recursive call 495: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:40,294 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:40,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:40,296 INFO L550 ElimStorePlain]: Start of recursive call 496: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:40,343 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:40,344 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 192 treesize of output 55 [2021-07-13 20:02:40,345 INFO L550 ElimStorePlain]: Start of recursive call 497: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:40,393 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:40,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:40,395 INFO L550 ElimStorePlain]: Start of recursive call 498: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:40,444 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:40,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:40,445 INFO L550 ElimStorePlain]: Start of recursive call 499: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:40,492 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:40,493 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 201 treesize of output 54 [2021-07-13 20:02:40,494 INFO L550 ElimStorePlain]: Start of recursive call 500: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:40,542 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:40,542 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 188 treesize of output 53 [2021-07-13 20:02:40,544 INFO L550 ElimStorePlain]: Start of recursive call 501: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:40,591 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:40,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:40,592 INFO L550 ElimStorePlain]: Start of recursive call 502: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:40,639 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:40,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:40,641 INFO L550 ElimStorePlain]: Start of recursive call 503: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:40,687 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:40,687 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 208 treesize of output 59 [2021-07-13 20:02:40,688 INFO L550 ElimStorePlain]: Start of recursive call 504: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:40,743 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:40,744 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 212 treesize of output 65 [2021-07-13 20:02:40,745 INFO L550 ElimStorePlain]: Start of recursive call 505: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:40,791 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:40,791 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 199 treesize of output 56 [2021-07-13 20:02:40,792 INFO L550 ElimStorePlain]: Start of recursive call 506: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:40,838 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:40,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:40,840 INFO L550 ElimStorePlain]: Start of recursive call 507: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:40,884 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:40,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:40,886 INFO L550 ElimStorePlain]: Start of recursive call 508: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:40,931 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:40,931 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 182 treesize of output 53 [2021-07-13 20:02:40,932 INFO L550 ElimStorePlain]: Start of recursive call 509: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:40,978 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:40,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:40,979 INFO L550 ElimStorePlain]: Start of recursive call 510: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:41,024 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:41,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:41,025 INFO L550 ElimStorePlain]: Start of recursive call 511: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:41,069 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:41,070 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 187 treesize of output 54 [2021-07-13 20:02:41,072 INFO L550 ElimStorePlain]: Start of recursive call 512: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:41,116 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:41,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:41,118 INFO L550 ElimStorePlain]: Start of recursive call 513: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:41,160 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:41,160 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 189 treesize of output 54 [2021-07-13 20:02:41,161 INFO L550 ElimStorePlain]: Start of recursive call 514: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:41,211 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:41,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:02:41,213 INFO L550 ElimStorePlain]: Start of recursive call 515: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:41,263 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:41,263 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 222 treesize of output 67 [2021-07-13 20:02:41,265 INFO L550 ElimStorePlain]: Start of recursive call 516: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:41,313 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:41,313 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 217 treesize of output 66 [2021-07-13 20:02:41,315 INFO L550 ElimStorePlain]: Start of recursive call 517: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:41,354 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:41,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:41,356 INFO L550 ElimStorePlain]: Start of recursive call 518: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:41,394 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:41,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:41,396 INFO L550 ElimStorePlain]: Start of recursive call 519: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:41,435 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:41,435 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 195 treesize of output 54 [2021-07-13 20:02:41,436 INFO L550 ElimStorePlain]: Start of recursive call 520: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:41,474 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:41,474 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 222 treesize of output 61 [2021-07-13 20:02:41,476 INFO L550 ElimStorePlain]: Start of recursive call 521: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:41,513 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:41,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:41,514 INFO L550 ElimStorePlain]: Start of recursive call 522: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:41,551 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:41,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:41,553 INFO L550 ElimStorePlain]: Start of recursive call 523: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:41,590 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:41,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:41,591 INFO L550 ElimStorePlain]: Start of recursive call 524: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:41,628 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:41,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:41,630 INFO L550 ElimStorePlain]: Start of recursive call 525: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:41,663 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:41,663 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 187 treesize of output 54 [2021-07-13 20:02:41,665 INFO L550 ElimStorePlain]: Start of recursive call 526: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:41,696 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:02:41,696 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 217 treesize of output 66 [2021-07-13 20:02:41,698 INFO L550 ElimStorePlain]: Start of recursive call 527: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:41,727 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:41,727 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 205 treesize of output 56 [2021-07-13 20:02:41,729 INFO L550 ElimStorePlain]: Start of recursive call 528: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:41,733 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:02:41,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:02:41,735 INFO L550 ElimStorePlain]: Start of recursive call 529: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:41,736 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:02:41,737 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:02:41,737 INFO L247 ElimStorePlain]: Needed 529 recursive calls to eliminate 2 variables, input treesize:105977, output treesize:3 [2021-07-13 20:02:41,745 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 97 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 20:02:41,745 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1148826457] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:02:41,745 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:02:41,745 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 16] total 23 [2021-07-13 20:02:41,745 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333311148] [2021-07-13 20:02:41,745 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-13 20:02:41,746 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:02:41,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-13 20:02:41,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2021-07-13 20:02:41,746 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) [2021-07-13 20:02:42,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:02:42,304 INFO L93 Difference]: Finished difference Result 52344 states and 132850 transitions. [2021-07-13 20:02:42,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 20:02:42,304 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 [2021-07-13 20:02:42,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:02:42,467 INFO L225 Difference]: With dead ends: 52344 [2021-07-13 20:02:42,467 INFO L226 Difference]: Without dead ends: 52328 [2021-07-13 20:02:42,468 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 385.5ms TimeCoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2021-07-13 20:02:42,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52328 states. [2021-07-13 20:02:43,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52328 to 51480. [2021-07-13 20:02:43,510 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) [2021-07-13 20:02:43,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51480 states to 51480 states and 131161 transitions. [2021-07-13 20:02:43,655 INFO L78 Accepts]: Start accepts. Automaton has 51480 states and 131161 transitions. Word has length 42 [2021-07-13 20:02:43,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:02:43,655 INFO L482 AbstractCegarLoop]: Abstraction has 51480 states and 131161 transitions. [2021-07-13 20:02:43,655 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) [2021-07-13 20:02:43,655 INFO L276 IsEmpty]: Start isEmpty. Operand 51480 states and 131161 transitions. [2021-07-13 20:02:43,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-07-13 20:02:43,696 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:02:43,696 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 20:02:43,897 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 138 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3459 [2021-07-13 20:02:43,897 INFO L430 AbstractCegarLoop]: === Iteration 143 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:02:43,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:02:43,897 INFO L82 PathProgramCache]: Analyzing trace with hash 848508788, now seen corresponding path program 138 times [2021-07-13 20:02:43,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:02:43,897 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224594319] [2021-07-13 20:02:43,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:02:43,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:02:43,948 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-13 20:02:43,948 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:02:43,948 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224594319] [2021-07-13 20:02:43,948 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224594319] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:02:43,948 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1357074176] [2021-07-13 20:02:43,948 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 [2021-07-13 20:02:43,981 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2021-07-13 20:02:43,981 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:02:43,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 55 conjunts are in the unsatisfiable core [2021-07-13 20:02:43,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:02:44,721 INFO L446 ElimStorePlain]: Different costs {28=[f], 66=[f_inv]} [2021-07-13 20:02:45,021 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 66 [2021-07-13 20:02:45,022 INFO L354 Elim1Store]: treesize reduction 125, result has 44.4 percent of original size [2021-07-13 20:02:45,022 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 [2021-07-13 20:02:52,912 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:02:52,965 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:02:53,044 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:02:53,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2021-07-13 20:02:53,221 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:53,222 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:02:53,222 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:02:53,222 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:264, output treesize:3 [2021-07-13 20:02:53,231 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 97 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 20:02:53,231 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1357074176] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:02:53,231 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:02:53,231 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 16] total 23 [2021-07-13 20:02:53,231 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234909915] [2021-07-13 20:02:53,231 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-13 20:02:53,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:02:53,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-13 20:02:53,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2021-07-13 20:02:53,232 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) [2021-07-13 20:02:53,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:02:53,692 INFO L93 Difference]: Finished difference Result 53250 states and 135691 transitions. [2021-07-13 20:02:53,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 20:02:53,693 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 [2021-07-13 20:02:53,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:02:53,840 INFO L225 Difference]: With dead ends: 53250 [2021-07-13 20:02:53,840 INFO L226 Difference]: Without dead ends: 53232 [2021-07-13 20:02:53,840 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 721.6ms TimeCoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2021-07-13 20:02:53,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53232 states. [2021-07-13 20:02:54,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53232 to 52433. [2021-07-13 20:02:54,845 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) [2021-07-13 20:02:55,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52433 states to 52433 states and 133831 transitions. [2021-07-13 20:02:55,000 INFO L78 Accepts]: Start accepts. Automaton has 52433 states and 133831 transitions. Word has length 42 [2021-07-13 20:02:55,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:02:55,000 INFO L482 AbstractCegarLoop]: Abstraction has 52433 states and 133831 transitions. [2021-07-13 20:02:55,000 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) [2021-07-13 20:02:55,000 INFO L276 IsEmpty]: Start isEmpty. Operand 52433 states and 133831 transitions. [2021-07-13 20:02:55,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-07-13 20:02:55,044 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:02:55,044 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 20:02:55,244 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3933,139 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 20:02:55,244 INFO L430 AbstractCegarLoop]: === Iteration 144 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:02:55,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:02:55,247 INFO L82 PathProgramCache]: Analyzing trace with hash -1524801932, now seen corresponding path program 139 times [2021-07-13 20:02:55,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:02:55,247 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483134486] [2021-07-13 20:02:55,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:02:55,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:02:55,308 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-13 20:02:55,308 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:02:55,308 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483134486] [2021-07-13 20:02:55,309 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483134486] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:02:55,309 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [818926235] [2021-07-13 20:02:55,309 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 [2021-07-13 20:02:55,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:02:55,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 45 conjunts are in the unsatisfiable core [2021-07-13 20:02:55,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:02:55,757 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 74 [2021-07-13 20:02:55,758 INFO L354 Elim1Store]: treesize reduction 365, result has 32.5 percent of original size [2021-07-13 20:02:55,758 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 [2021-07-13 20:02:55,761 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:55,811 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:02:55,812 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:02:55,812 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:207, output treesize:294 [2021-07-13 20:02:55,907 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2021-07-13 20:02:56,120 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 153 [2021-07-13 20:02:56,946 WARN L205 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 47 [2021-07-13 20:02:57,036 INFO L446 ElimStorePlain]: Different costs {6=[v_prenex_142], 10=[f], 15=[v_prenex_143], 21=[v_prenex_141]} [2021-07-13 20:02:57,059 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:02:57,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 64 [2021-07-13 20:02:57,061 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:02:57,068 INFO L628 ElimStorePlain]: treesize reduction 216, result has 1.4 percent of original size [2021-07-13 20:02:57,068 INFO L518 ElimStorePlain]: Eliminatee f vanished before elimination [2021-07-13 20:02:57,068 INFO L518 ElimStorePlain]: Eliminatee v_prenex_143 vanished before elimination [2021-07-13 20:02:57,068 INFO L518 ElimStorePlain]: Eliminatee v_prenex_141 vanished before elimination [2021-07-13 20:02:57,069 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:02:57,069 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:239, output treesize:3 [2021-07-13 20:02:57,077 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 97 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 20:02:57,077 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [818926235] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:02:57,077 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:02:57,077 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 16] total 23 [2021-07-13 20:02:57,077 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604765536] [2021-07-13 20:02:57,078 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-13 20:02:57,078 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:02:57,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-13 20:02:57,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=447, Unknown=0, NotChecked=0, Total=506 [2021-07-13 20:02:57,078 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) [2021-07-13 20:02:57,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:02:57,631 INFO L93 Difference]: Finished difference Result 54975 states and 140281 transitions. [2021-07-13 20:02:57,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 20:02:57,631 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 [2021-07-13 20:02:57,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:02:57,780 INFO L225 Difference]: With dead ends: 54975 [2021-07-13 20:02:57,780 INFO L226 Difference]: Without dead ends: 54946 [2021-07-13 20:02:57,780 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 1004.9ms TimeCoverageRelationStatistics Valid=59, Invalid=447, Unknown=0, NotChecked=0, Total=506 [2021-07-13 20:02:57,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54946 states. [2021-07-13 20:02:59,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54946 to 53500. [2021-07-13 20:02:59,560 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) [2021-07-13 20:02:59,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53500 states to 53500 states and 136793 transitions. [2021-07-13 20:02:59,716 INFO L78 Accepts]: Start accepts. Automaton has 53500 states and 136793 transitions. Word has length 42 [2021-07-13 20:02:59,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:02:59,716 INFO L482 AbstractCegarLoop]: Abstraction has 53500 states and 136793 transitions. [2021-07-13 20:02:59,716 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) [2021-07-13 20:02:59,717 INFO L276 IsEmpty]: Start isEmpty. Operand 53500 states and 136793 transitions. [2021-07-13 20:02:59,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-07-13 20:02:59,950 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:02:59,950 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 20:03:00,175 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6556,140 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 20:03:00,175 INFO L430 AbstractCegarLoop]: === Iteration 145 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:03:00,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:03:00,176 INFO L82 PathProgramCache]: Analyzing trace with hash -1648769676, now seen corresponding path program 140 times [2021-07-13 20:03:00,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:03:00,176 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996355278] [2021-07-13 20:03:00,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:03:00,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:03:00,227 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-13 20:03:00,227 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:03:00,227 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996355278] [2021-07-13 20:03:00,227 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996355278] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:03:00,227 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [335876413] [2021-07-13 20:03:00,227 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 [2021-07-13 20:03:00,256 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 20:03:00,256 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:03:00,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 45 conjunts are in the unsatisfiable core [2021-07-13 20:03:00,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:03:00,591 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 71 [2021-07-13 20:03:00,591 INFO L354 Elim1Store]: treesize reduction 226, result has 41.3 percent of original size [2021-07-13 20:03:00,591 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 [2021-07-13 20:03:00,596 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:03:00,646 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:03:00,647 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:03:00,647 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:205, output treesize:260 [2021-07-13 20:03:00,762 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2021-07-13 20:03:01,752 WARN L205 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 51 [2021-07-13 20:03:01,941 INFO L446 ElimStorePlain]: Different costs {6=[v_prenex_145], 10=[f], 15=[v_prenex_146], 21=[v_prenex_144]} [2021-07-13 20:03:01,963 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:03:01,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 64 [2021-07-13 20:03:01,965 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:03:01,972 INFO L628 ElimStorePlain]: treesize reduction 214, result has 1.4 percent of original size [2021-07-13 20:03:01,972 INFO L518 ElimStorePlain]: Eliminatee f vanished before elimination [2021-07-13 20:03:01,972 INFO L518 ElimStorePlain]: Eliminatee v_prenex_146 vanished before elimination [2021-07-13 20:03:01,973 INFO L518 ElimStorePlain]: Eliminatee v_prenex_144 vanished before elimination [2021-07-13 20:03:01,973 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:03:01,973 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:237, output treesize:3 [2021-07-13 20:03:01,981 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 97 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 20:03:01,981 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [335876413] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:03:01,981 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:03:01,982 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 16] total 23 [2021-07-13 20:03:01,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406930221] [2021-07-13 20:03:01,982 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-13 20:03:01,982 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:03:01,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-13 20:03:01,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=448, Unknown=0, NotChecked=0, Total=506 [2021-07-13 20:03:01,982 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) [2021-07-13 20:03:02,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:03:02,615 INFO L93 Difference]: Finished difference Result 56192 states and 143625 transitions. [2021-07-13 20:03:02,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-13 20:03:02,615 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 [2021-07-13 20:03:02,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:03:02,857 INFO L225 Difference]: With dead ends: 56192 [2021-07-13 20:03:02,857 INFO L226 Difference]: Without dead ends: 56159 [2021-07-13 20:03:02,857 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 1037.3ms TimeCoverageRelationStatistics Valid=58, Invalid=448, Unknown=0, NotChecked=0, Total=506 [2021-07-13 20:03:02,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56159 states. [2021-07-13 20:03:04,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56159 to 54544. [2021-07-13 20:03:04,204 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) [2021-07-13 20:03:04,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54544 states to 54544 states and 139665 transitions. [2021-07-13 20:03:04,354 INFO L78 Accepts]: Start accepts. Automaton has 54544 states and 139665 transitions. Word has length 42 [2021-07-13 20:03:04,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:03:04,354 INFO L482 AbstractCegarLoop]: Abstraction has 54544 states and 139665 transitions. [2021-07-13 20:03:04,354 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) [2021-07-13 20:03:04,354 INFO L276 IsEmpty]: Start isEmpty. Operand 54544 states and 139665 transitions. [2021-07-13 20:03:04,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-07-13 20:03:04,619 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:03:04,619 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 20:03:04,820 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6567,141 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 20:03:04,820 INFO L430 AbstractCegarLoop]: === Iteration 146 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:03:04,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:03:04,820 INFO L82 PathProgramCache]: Analyzing trace with hash -522687372, now seen corresponding path program 141 times [2021-07-13 20:03:04,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:03:04,820 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361785174] [2021-07-13 20:03:04,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:03:04,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:03:04,871 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-13 20:03:04,871 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:03:04,871 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361785174] [2021-07-13 20:03:04,871 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361785174] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:03:04,871 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [668600298] [2021-07-13 20:03:04,871 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 [2021-07-13 20:03:04,904 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2021-07-13 20:03:04,904 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:03:04,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 49 conjunts are in the unsatisfiable core [2021-07-13 20:03:04,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:03:05,351 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 68 [2021-07-13 20:03:05,351 INFO L354 Elim1Store]: treesize reduction 205, result has 39.2 percent of original size [2021-07-13 20:03:05,351 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 [2021-07-13 20:03:05,546 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-07-13 20:03:07,441 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:03:07,492 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:03:08,518 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:03:08,518 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:258, output treesize:303 [2021-07-13 20:03:10,464 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2021-07-13 20:03:15,917 WARN L205 SmtUtils]: Spent 5.15 s on a formula simplification. DAG size of input: 960 DAG size of output: 960 [2021-07-13 20:03:21,659 WARN L205 SmtUtils]: Spent 5.49 s on a formula simplification. DAG size of input: 1607 DAG size of output: 1607 [2021-07-13 20:03:27,157 WARN L205 SmtUtils]: Spent 5.48 s on a formula simplification. DAG size of input: 1607 DAG size of output: 1607 [2021-07-13 20:03:30,139 WARN L205 SmtUtils]: Spent 2.75 s on a formula simplification that was a NOOP. DAG size: 1607 [2021-07-13 20:03:51,504 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2021-07-13 20:03:51,987 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:03:51,987 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 145 treesize of output 62 [2021-07-13 20:03:51,989 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:03:52,098 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:03:52,098 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 163 treesize of output 56 [2021-07-13 20:03:52,099 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:03:52,208 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:03:52,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:03:52,210 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:03:52,322 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:03:52,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:03:52,324 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 20:03:52,455 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:03:52,455 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 165 treesize of output 66 [2021-07-13 20:03:52,457 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 20:03:52,606 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:03:52,606 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 165 treesize of output 64 [2021-07-13 20:03:52,607 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 20:03:52,739 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:03:52,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:03:52,741 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-13 20:03:52,883 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:03:52,883 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 [2021-07-13 20:03:52,885 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-13 20:03:53,003 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:03:53,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:03:53,005 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-13 20:03:53,152 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:03:53,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:03:53,153 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-13 20:03:53,300 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:03:53,300 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 175 treesize of output 1 [2021-07-13 20:03:53,301 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-13 20:03:53,449 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:03:53,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:03:53,452 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-13 20:03:53,595 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:03:53,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:03:53,596 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-13 20:03:53,736 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:03:53,736 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 165 treesize of output 64 [2021-07-13 20:03:53,738 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-13 20:03:53,877 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:03:53,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:03:53,879 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-13 20:03:54,004 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:03:54,004 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 165 treesize of output 56 [2021-07-13 20:03:54,006 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-13 20:03:54,133 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:03:54,133 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 175 treesize of output 58 [2021-07-13 20:03:54,135 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-13 20:03:54,277 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:03:54,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:03:54,279 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-13 20:03:54,424 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:03:54,424 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 [2021-07-13 20:03:54,426 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-13 20:03:54,581 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:03:54,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:03:54,582 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-13 20:03:54,731 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:03:54,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:03:54,734 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-13 20:03:54,881 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:03:54,882 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 145 treesize of output 52 [2021-07-13 20:03:54,883 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-13 20:03:55,032 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:03:55,032 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 [2021-07-13 20:03:55,034 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-13 20:03:55,169 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:03:55,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:03:55,171 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-13 20:03:55,306 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:03:55,306 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 185 treesize of output 60 [2021-07-13 20:03:55,307 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-13 20:03:55,458 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:03:55,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:03:55,460 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-13 20:03:55,613 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:03:55,613 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 [2021-07-13 20:03:55,615 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-13 20:03:55,771 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:03:55,771 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 150 treesize of output 63 [2021-07-13 20:03:55,773 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-13 20:03:55,928 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:03:55,929 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 180 treesize of output 67 [2021-07-13 20:03:55,930 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-13 20:03:56,087 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:03:56,087 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 170 treesize of output 65 [2021-07-13 20:03:56,088 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-13 20:03:56,246 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:03:56,246 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 165 treesize of output 66 [2021-07-13 20:03:56,247 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-13 20:03:56,407 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:03:56,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:03:56,409 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-13 20:03:56,568 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:03:56,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:03:56,569 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-07-13 20:03:56,732 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:03:56,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:03:56,734 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-07-13 20:03:56,882 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:03:56,882 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 158 treesize of output 55 [2021-07-13 20:03:56,883 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-07-13 20:03:57,046 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:03:57,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:03:57,048 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-07-13 20:03:57,213 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:03:57,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:03:57,215 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-07-13 20:03:57,387 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:03:57,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:03:57,389 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-07-13 20:03:57,553 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:03:57,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:03:57,555 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-07-13 20:03:57,721 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:03:57,721 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 62 [2021-07-13 20:03:57,723 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-07-13 20:03:57,894 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:03:57,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:03:57,895 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-07-13 20:03:58,065 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:03:58,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:03:58,067 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-07-13 20:03:58,237 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:03:58,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:03:58,239 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-07-13 20:03:58,393 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:03:58,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:03:58,395 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-07-13 20:03:58,567 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:03:58,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:03:58,568 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-07-13 20:03:58,741 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:03:58,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:03:58,742 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-07-13 20:03:58,914 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:03:58,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:03:58,917 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-07-13 20:03:59,093 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:03:59,093 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 185 treesize of output 68 [2021-07-13 20:03:59,095 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-07-13 20:03:59,253 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:03:59,253 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 158 treesize of output 55 [2021-07-13 20:03:59,255 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2021-07-13 20:03:59,431 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:03:59,431 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 65 [2021-07-13 20:03:59,432 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-07-13 20:03:59,596 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:03:59,597 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 168 treesize of output 59 [2021-07-13 20:03:59,598 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2021-07-13 20:03:59,775 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:03:59,775 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 [2021-07-13 20:03:59,777 INFO L550 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2021-07-13 20:03:59,940 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:03:59,941 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 163 treesize of output 58 [2021-07-13 20:03:59,942 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:00,121 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:00,122 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 165 treesize of output 64 [2021-07-13 20:04:00,123 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:00,304 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:00,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:00,306 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:00,490 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:00,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:00,492 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:00,675 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:00,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:00,677 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:00,862 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:00,862 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 170 treesize of output 67 [2021-07-13 20:04:00,863 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:01,031 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:01,031 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 190 treesize of output 61 [2021-07-13 20:04:01,032 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:01,203 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:01,203 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 165 treesize of output 56 [2021-07-13 20:04:01,204 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:01,395 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:01,395 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 165 treesize of output 64 [2021-07-13 20:04:01,396 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:01,587 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:01,588 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 160 treesize of output 63 [2021-07-13 20:04:01,590 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:01,767 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:01,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:04:01,768 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:01,964 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:01,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:01,966 INFO L550 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:02,162 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:02,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:02,165 INFO L550 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:02,377 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:02,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:02,379 INFO L550 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:02,583 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:02,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:02,585 INFO L550 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:02,768 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:02,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:04:02,770 INFO L550 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:02,973 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:02,974 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 165 treesize of output 66 [2021-07-13 20:04:02,975 INFO L550 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:03,178 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:03,178 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 160 treesize of output 63 [2021-07-13 20:04:03,180 INFO L550 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:03,373 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:03,374 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 170 treesize of output 57 [2021-07-13 20:04:03,375 INFO L550 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:03,591 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:03,592 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 160 treesize of output 63 [2021-07-13 20:04:03,594 INFO L550 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:03,809 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:03,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:03,811 INFO L550 ElimStorePlain]: Start of recursive call 74: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:04,033 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:04,034 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 175 treesize of output 66 [2021-07-13 20:04:04,035 INFO L550 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:04,253 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:04,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:04,255 INFO L550 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:04,449 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:04,449 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 153 treesize of output 54 [2021-07-13 20:04:04,450 INFO L550 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:04,661 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:04,661 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 160 treesize of output 63 [2021-07-13 20:04:04,662 INFO L550 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:04,878 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:04,878 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 160 treesize of output 63 [2021-07-13 20:04:04,879 INFO L550 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:05,145 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:05,145 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 160 treesize of output 65 [2021-07-13 20:04:05,147 INFO L550 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:05,264 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:05,265 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 62 [2021-07-13 20:04:05,266 INFO L550 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:05,369 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:05,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:04:05,371 INFO L550 ElimStorePlain]: Start of recursive call 82: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:05,476 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:05,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:04:05,478 INFO L550 ElimStorePlain]: Start of recursive call 83: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:05,584 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:05,585 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 185 treesize of output 60 [2021-07-13 20:04:05,586 INFO L550 ElimStorePlain]: Start of recursive call 84: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:05,710 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:05,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:05,712 INFO L550 ElimStorePlain]: Start of recursive call 85: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:05,836 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:05,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:05,838 INFO L550 ElimStorePlain]: Start of recursive call 86: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:05,966 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:05,966 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 [2021-07-13 20:04:05,968 INFO L550 ElimStorePlain]: Start of recursive call 87: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:06,080 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:06,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:04:06,081 INFO L550 ElimStorePlain]: Start of recursive call 88: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:06,211 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:06,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:06,213 INFO L550 ElimStorePlain]: Start of recursive call 89: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:06,342 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:06,342 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 155 treesize of output 64 [2021-07-13 20:04:06,344 INFO L550 ElimStorePlain]: Start of recursive call 90: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:06,473 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:06,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:06,476 INFO L550 ElimStorePlain]: Start of recursive call 91: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:06,592 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:06,593 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 170 treesize of output 57 [2021-07-13 20:04:06,595 INFO L550 ElimStorePlain]: Start of recursive call 92: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:06,729 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:06,729 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 66 [2021-07-13 20:04:06,731 INFO L550 ElimStorePlain]: Start of recursive call 93: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:06,865 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:06,865 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 165 treesize of output 64 [2021-07-13 20:04:06,866 INFO L550 ElimStorePlain]: Start of recursive call 94: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:07,002 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:07,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:07,003 INFO L550 ElimStorePlain]: Start of recursive call 95: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:07,123 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:07,123 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 173 treesize of output 60 [2021-07-13 20:04:07,124 INFO L550 ElimStorePlain]: Start of recursive call 96: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:07,246 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:07,246 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 175 treesize of output 58 [2021-07-13 20:04:07,247 INFO L550 ElimStorePlain]: Start of recursive call 97: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:07,394 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:07,394 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 170 treesize of output 67 [2021-07-13 20:04:07,396 INFO L550 ElimStorePlain]: Start of recursive call 98: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:07,538 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:07,538 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 175 treesize of output 66 [2021-07-13 20:04:07,539 INFO L550 ElimStorePlain]: Start of recursive call 99: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:07,681 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:07,681 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 175 treesize of output 66 [2021-07-13 20:04:07,682 INFO L550 ElimStorePlain]: Start of recursive call 100: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:07,809 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:07,810 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 163 treesize of output 58 [2021-07-13 20:04:07,811 INFO L550 ElimStorePlain]: Start of recursive call 101: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:07,937 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:07,937 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 170 treesize of output 57 [2021-07-13 20:04:07,939 INFO L550 ElimStorePlain]: Start of recursive call 102: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:08,081 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:08,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:08,082 INFO L550 ElimStorePlain]: Start of recursive call 103: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:08,229 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:08,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:08,231 INFO L550 ElimStorePlain]: Start of recursive call 104: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:08,380 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:08,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:08,382 INFO L550 ElimStorePlain]: Start of recursive call 105: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:08,529 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:08,529 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 165 treesize of output 66 [2021-07-13 20:04:08,531 INFO L550 ElimStorePlain]: Start of recursive call 106: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:08,692 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:08,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:08,693 INFO L550 ElimStorePlain]: Start of recursive call 107: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:08,844 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:08,844 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 155 treesize of output 62 [2021-07-13 20:04:08,846 INFO L550 ElimStorePlain]: Start of recursive call 108: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:09,000 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:09,000 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 160 treesize of output 63 [2021-07-13 20:04:09,002 INFO L550 ElimStorePlain]: Start of recursive call 109: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:09,155 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:09,155 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 160 treesize of output 63 [2021-07-13 20:04:09,157 INFO L550 ElimStorePlain]: Start of recursive call 110: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:09,316 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:09,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:09,318 INFO L550 ElimStorePlain]: Start of recursive call 111: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:09,473 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:09,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:09,475 INFO L550 ElimStorePlain]: Start of recursive call 112: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:09,643 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:09,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:09,646 INFO L550 ElimStorePlain]: Start of recursive call 113: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:09,825 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:09,825 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 165 treesize of output 64 [2021-07-13 20:04:09,826 INFO L550 ElimStorePlain]: Start of recursive call 114: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:09,985 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:09,986 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 160 treesize of output 63 [2021-07-13 20:04:09,988 INFO L550 ElimStorePlain]: Start of recursive call 115: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:10,150 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:10,151 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 175 treesize of output 66 [2021-07-13 20:04:10,152 INFO L550 ElimStorePlain]: Start of recursive call 116: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:10,312 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:10,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:10,314 INFO L550 ElimStorePlain]: Start of recursive call 117: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:10,459 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:10,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:04:10,460 INFO L550 ElimStorePlain]: Start of recursive call 118: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:10,620 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:10,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:10,622 INFO L550 ElimStorePlain]: Start of recursive call 119: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:10,789 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:10,789 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 160 treesize of output 63 [2021-07-13 20:04:10,791 INFO L550 ElimStorePlain]: Start of recursive call 120: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:10,951 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:10,951 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 160 treesize of output 65 [2021-07-13 20:04:10,952 INFO L550 ElimStorePlain]: Start of recursive call 121: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:11,097 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:11,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:04:11,099 INFO L550 ElimStorePlain]: Start of recursive call 122: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:11,260 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:11,260 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 165 treesize of output 64 [2021-07-13 20:04:11,262 INFO L550 ElimStorePlain]: Start of recursive call 123: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:11,424 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:11,425 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 150 treesize of output 63 [2021-07-13 20:04:11,426 INFO L550 ElimStorePlain]: Start of recursive call 124: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:11,592 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:11,592 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 145 treesize of output 62 [2021-07-13 20:04:11,593 INFO L550 ElimStorePlain]: Start of recursive call 125: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:11,758 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:11,758 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 160 treesize of output 63 [2021-07-13 20:04:11,760 INFO L550 ElimStorePlain]: Start of recursive call 126: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:11,925 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:11,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:11,927 INFO L550 ElimStorePlain]: Start of recursive call 127: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:12,097 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:12,097 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 160 treesize of output 65 [2021-07-13 20:04:12,098 INFO L550 ElimStorePlain]: Start of recursive call 128: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:12,250 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:12,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:04:12,252 INFO L550 ElimStorePlain]: Start of recursive call 129: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:12,427 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:12,427 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 170 treesize of output 65 [2021-07-13 20:04:12,429 INFO L550 ElimStorePlain]: Start of recursive call 130: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:12,587 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:12,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:04:12,588 INFO L550 ElimStorePlain]: Start of recursive call 131: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:12,744 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:12,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:04:12,746 INFO L550 ElimStorePlain]: Start of recursive call 132: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:12,933 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:12,934 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 66 [2021-07-13 20:04:12,935 INFO L550 ElimStorePlain]: Start of recursive call 133: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:13,112 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:13,112 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 165 treesize of output 64 [2021-07-13 20:04:13,113 INFO L550 ElimStorePlain]: Start of recursive call 134: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:13,293 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:13,293 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 180 treesize of output 67 [2021-07-13 20:04:13,295 INFO L550 ElimStorePlain]: Start of recursive call 135: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:13,456 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:13,456 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 173 treesize of output 58 [2021-07-13 20:04:13,458 INFO L550 ElimStorePlain]: Start of recursive call 136: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:13,639 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:13,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:13,641 INFO L550 ElimStorePlain]: Start of recursive call 137: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:13,818 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:13,819 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 150 treesize of output 61 [2021-07-13 20:04:13,821 INFO L550 ElimStorePlain]: Start of recursive call 138: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:13,999 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:14,000 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 175 treesize of output 66 [2021-07-13 20:04:14,001 INFO L550 ElimStorePlain]: Start of recursive call 139: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:14,173 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:14,173 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 150 treesize of output 53 [2021-07-13 20:04:14,175 INFO L550 ElimStorePlain]: Start of recursive call 140: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:14,365 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:14,365 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 165 treesize of output 64 [2021-07-13 20:04:14,367 INFO L550 ElimStorePlain]: Start of recursive call 141: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:14,552 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:14,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:14,554 INFO L550 ElimStorePlain]: Start of recursive call 142: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:14,742 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:14,742 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 160 treesize of output 63 [2021-07-13 20:04:14,744 INFO L550 ElimStorePlain]: Start of recursive call 143: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:14,911 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:14,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:04:14,913 INFO L550 ElimStorePlain]: Start of recursive call 144: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:15,099 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:15,099 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 160 treesize of output 63 [2021-07-13 20:04:15,101 INFO L550 ElimStorePlain]: Start of recursive call 145: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:15,274 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:15,274 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 190 treesize of output 61 [2021-07-13 20:04:15,275 INFO L550 ElimStorePlain]: Start of recursive call 146: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:15,449 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:15,449 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 158 treesize of output 55 [2021-07-13 20:04:15,451 INFO L550 ElimStorePlain]: Start of recursive call 147: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:15,637 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:15,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:15,639 INFO L550 ElimStorePlain]: Start of recursive call 148: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:15,827 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:15,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:15,829 INFO L550 ElimStorePlain]: Start of recursive call 149: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:16,000 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:16,000 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 175 treesize of output 58 [2021-07-13 20:04:16,002 INFO L550 ElimStorePlain]: Start of recursive call 150: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:16,191 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:16,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:16,193 INFO L550 ElimStorePlain]: Start of recursive call 151: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:16,386 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:16,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:16,388 INFO L550 ElimStorePlain]: Start of recursive call 152: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:16,582 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:16,582 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 175 treesize of output 66 [2021-07-13 20:04:16,584 INFO L550 ElimStorePlain]: Start of recursive call 153: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:16,775 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:16,775 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 160 treesize of output 63 [2021-07-13 20:04:16,777 INFO L550 ElimStorePlain]: Start of recursive call 154: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:16,952 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:16,952 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 148 treesize of output 55 [2021-07-13 20:04:16,954 INFO L550 ElimStorePlain]: Start of recursive call 155: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:17,145 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:17,145 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 160 treesize of output 63 [2021-07-13 20:04:17,147 INFO L550 ElimStorePlain]: Start of recursive call 156: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:17,340 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:17,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:17,341 INFO L550 ElimStorePlain]: Start of recursive call 157: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:17,538 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:17,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:17,540 INFO L550 ElimStorePlain]: Start of recursive call 158: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:17,720 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:17,721 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 173 treesize of output 58 [2021-07-13 20:04:17,722 INFO L550 ElimStorePlain]: Start of recursive call 159: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:17,919 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:17,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:17,921 INFO L550 ElimStorePlain]: Start of recursive call 160: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:18,099 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:18,099 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 170 treesize of output 57 [2021-07-13 20:04:18,100 INFO L550 ElimStorePlain]: Start of recursive call 161: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:18,287 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:18,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:04:18,289 INFO L550 ElimStorePlain]: Start of recursive call 162: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:18,490 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:18,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:04:18,491 INFO L550 ElimStorePlain]: Start of recursive call 163: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:18,684 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:18,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:04:18,685 INFO L550 ElimStorePlain]: Start of recursive call 164: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:18,870 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:18,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:04:18,871 INFO L550 ElimStorePlain]: Start of recursive call 165: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:19,084 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:19,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:19,086 INFO L550 ElimStorePlain]: Start of recursive call 166: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:19,291 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:19,291 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 [2021-07-13 20:04:19,293 INFO L550 ElimStorePlain]: Start of recursive call 167: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:19,495 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:19,496 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 165 treesize of output 64 [2021-07-13 20:04:19,497 INFO L550 ElimStorePlain]: Start of recursive call 168: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:19,714 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:19,714 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 180 treesize of output 67 [2021-07-13 20:04:19,716 INFO L550 ElimStorePlain]: Start of recursive call 169: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:19,902 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:19,903 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 175 treesize of output 58 [2021-07-13 20:04:19,904 INFO L550 ElimStorePlain]: Start of recursive call 170: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:20,112 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:20,112 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 170 treesize of output 65 [2021-07-13 20:04:20,114 INFO L550 ElimStorePlain]: Start of recursive call 171: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:20,304 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:20,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:04:20,306 INFO L550 ElimStorePlain]: Start of recursive call 172: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:20,518 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:20,518 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 150 treesize of output 63 [2021-07-13 20:04:20,520 INFO L550 ElimStorePlain]: Start of recursive call 173: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:20,779 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:20,779 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 155 treesize of output 64 [2021-07-13 20:04:20,781 INFO L550 ElimStorePlain]: Start of recursive call 174: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:20,993 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:20,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:20,995 INFO L550 ElimStorePlain]: Start of recursive call 175: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:21,205 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:21,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:21,207 INFO L550 ElimStorePlain]: Start of recursive call 176: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:21,421 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:21,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:21,423 INFO L550 ElimStorePlain]: Start of recursive call 177: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:21,616 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:21,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:04:21,618 INFO L550 ElimStorePlain]: Start of recursive call 178: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:21,841 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:21,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:21,843 INFO L550 ElimStorePlain]: Start of recursive call 179: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:22,045 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:22,046 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 170 treesize of output 57 [2021-07-13 20:04:22,048 INFO L550 ElimStorePlain]: Start of recursive call 180: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:22,261 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:22,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:22,263 INFO L550 ElimStorePlain]: Start of recursive call 181: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:22,484 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:22,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:22,486 INFO L550 ElimStorePlain]: Start of recursive call 182: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:22,699 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:22,699 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 [2021-07-13 20:04:22,701 INFO L550 ElimStorePlain]: Start of recursive call 183: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:22,902 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:22,902 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 143 treesize of output 54 [2021-07-13 20:04:22,904 INFO L550 ElimStorePlain]: Start of recursive call 184: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:23,123 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:23,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:23,125 INFO L550 ElimStorePlain]: Start of recursive call 185: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:23,339 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:23,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:23,341 INFO L550 ElimStorePlain]: Start of recursive call 186: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:23,543 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:23,544 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 170 treesize of output 57 [2021-07-13 20:04:23,545 INFO L550 ElimStorePlain]: Start of recursive call 187: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:23,766 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:23,766 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 150 treesize of output 61 [2021-07-13 20:04:23,768 INFO L550 ElimStorePlain]: Start of recursive call 188: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:23,988 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:23,989 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 175 treesize of output 68 [2021-07-13 20:04:23,990 INFO L550 ElimStorePlain]: Start of recursive call 189: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:24,212 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:24,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:24,213 INFO L550 ElimStorePlain]: Start of recursive call 190: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:24,446 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:24,446 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 [2021-07-13 20:04:24,447 INFO L550 ElimStorePlain]: Start of recursive call 191: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:24,673 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:24,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:24,675 INFO L550 ElimStorePlain]: Start of recursive call 192: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:24,891 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:24,891 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 158 treesize of output 55 [2021-07-13 20:04:24,892 INFO L550 ElimStorePlain]: Start of recursive call 193: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:25,122 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:25,122 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 155 treesize of output 62 [2021-07-13 20:04:25,124 INFO L550 ElimStorePlain]: Start of recursive call 194: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:25,354 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:25,354 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 165 treesize of output 64 [2021-07-13 20:04:25,356 INFO L550 ElimStorePlain]: Start of recursive call 195: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:25,569 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:25,569 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 160 treesize of output 55 [2021-07-13 20:04:25,570 INFO L550 ElimStorePlain]: Start of recursive call 196: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:25,864 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:25,864 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 63 [2021-07-13 20:04:25,866 INFO L550 ElimStorePlain]: Start of recursive call 197: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:25,956 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:25,957 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 170 treesize of output 57 [2021-07-13 20:04:25,958 INFO L550 ElimStorePlain]: Start of recursive call 198: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:26,064 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:26,065 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 170 treesize of output 65 [2021-07-13 20:04:26,067 INFO L550 ElimStorePlain]: Start of recursive call 199: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:26,173 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:26,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:26,175 INFO L550 ElimStorePlain]: Start of recursive call 200: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:26,283 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:26,283 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 160 treesize of output 63 [2021-07-13 20:04:26,285 INFO L550 ElimStorePlain]: Start of recursive call 201: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:26,394 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:26,394 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 155 treesize of output 62 [2021-07-13 20:04:26,396 INFO L550 ElimStorePlain]: Start of recursive call 202: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:26,511 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:26,511 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 [2021-07-13 20:04:26,513 INFO L550 ElimStorePlain]: Start of recursive call 203: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:26,665 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:26,665 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 170 treesize of output 65 [2021-07-13 20:04:26,667 INFO L550 ElimStorePlain]: Start of recursive call 204: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:26,802 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:26,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:04:26,804 INFO L550 ElimStorePlain]: Start of recursive call 205: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:26,912 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:26,912 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 163 treesize of output 56 [2021-07-13 20:04:26,914 INFO L550 ElimStorePlain]: Start of recursive call 206: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:27,028 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:27,028 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 [2021-07-13 20:04:27,029 INFO L550 ElimStorePlain]: Start of recursive call 207: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:27,151 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:27,151 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 165 treesize of output 64 [2021-07-13 20:04:27,153 INFO L550 ElimStorePlain]: Start of recursive call 208: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:27,271 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:27,271 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 150 treesize of output 61 [2021-07-13 20:04:27,272 INFO L550 ElimStorePlain]: Start of recursive call 209: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:27,390 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:27,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:27,392 INFO L550 ElimStorePlain]: Start of recursive call 210: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:27,511 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:27,511 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 170 treesize of output 67 [2021-07-13 20:04:27,512 INFO L550 ElimStorePlain]: Start of recursive call 211: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:27,637 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:27,637 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 185 treesize of output 68 [2021-07-13 20:04:27,639 INFO L550 ElimStorePlain]: Start of recursive call 212: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:27,758 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:27,759 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 [2021-07-13 20:04:27,760 INFO L550 ElimStorePlain]: Start of recursive call 213: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:27,886 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:27,886 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 160 treesize of output 63 [2021-07-13 20:04:27,888 INFO L550 ElimStorePlain]: Start of recursive call 214: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:28,008 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:28,008 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 170 treesize of output 67 [2021-07-13 20:04:28,009 INFO L550 ElimStorePlain]: Start of recursive call 215: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:28,130 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:28,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:28,132 INFO L550 ElimStorePlain]: Start of recursive call 216: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:28,241 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:28,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:04:28,243 INFO L550 ElimStorePlain]: Start of recursive call 217: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:28,367 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:28,367 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 150 treesize of output 63 [2021-07-13 20:04:28,368 INFO L550 ElimStorePlain]: Start of recursive call 218: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:28,495 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:28,496 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 145 treesize of output 62 [2021-07-13 20:04:28,498 INFO L550 ElimStorePlain]: Start of recursive call 219: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:28,631 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:28,631 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 170 treesize of output 65 [2021-07-13 20:04:28,633 INFO L550 ElimStorePlain]: Start of recursive call 220: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:28,760 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:28,760 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 145 treesize of output 62 [2021-07-13 20:04:28,761 INFO L550 ElimStorePlain]: Start of recursive call 221: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:28,895 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:28,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:28,896 INFO L550 ElimStorePlain]: Start of recursive call 222: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:29,023 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:29,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:29,025 INFO L550 ElimStorePlain]: Start of recursive call 223: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:29,142 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:29,143 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 165 treesize of output 56 [2021-07-13 20:04:29,144 INFO L550 ElimStorePlain]: Start of recursive call 224: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:29,272 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:29,272 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 64 [2021-07-13 20:04:29,273 INFO L550 ElimStorePlain]: Start of recursive call 225: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:29,410 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:29,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:29,412 INFO L550 ElimStorePlain]: Start of recursive call 226: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:29,552 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:29,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:29,554 INFO L550 ElimStorePlain]: Start of recursive call 227: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:29,687 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:29,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:29,688 INFO L550 ElimStorePlain]: Start of recursive call 228: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:29,807 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:29,807 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 165 treesize of output 56 [2021-07-13 20:04:29,808 INFO L550 ElimStorePlain]: Start of recursive call 229: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:29,942 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:29,943 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 65 [2021-07-13 20:04:29,945 INFO L550 ElimStorePlain]: Start of recursive call 230: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:30,065 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:30,065 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 148 treesize of output 53 [2021-07-13 20:04:30,067 INFO L550 ElimStorePlain]: Start of recursive call 231: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:30,200 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:30,201 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 160 treesize of output 65 [2021-07-13 20:04:30,203 INFO L550 ElimStorePlain]: Start of recursive call 232: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:30,322 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:30,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:04:30,324 INFO L550 ElimStorePlain]: Start of recursive call 233: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:30,445 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:30,445 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 175 treesize of output 58 [2021-07-13 20:04:30,447 INFO L550 ElimStorePlain]: Start of recursive call 234: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:30,586 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:30,586 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 [2021-07-13 20:04:30,588 INFO L550 ElimStorePlain]: Start of recursive call 235: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:30,725 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:30,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:30,727 INFO L550 ElimStorePlain]: Start of recursive call 236: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:30,866 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:30,866 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 [2021-07-13 20:04:30,868 INFO L550 ElimStorePlain]: Start of recursive call 237: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:31,011 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:31,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:31,014 INFO L550 ElimStorePlain]: Start of recursive call 238: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:31,155 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:31,156 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 155 treesize of output 64 [2021-07-13 20:04:31,157 INFO L550 ElimStorePlain]: Start of recursive call 239: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:31,287 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:31,287 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 165 treesize of output 56 [2021-07-13 20:04:31,288 INFO L550 ElimStorePlain]: Start of recursive call 240: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:31,432 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:31,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:31,434 INFO L550 ElimStorePlain]: Start of recursive call 241: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:31,583 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:31,583 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 170 treesize of output 65 [2021-07-13 20:04:31,585 INFO L550 ElimStorePlain]: Start of recursive call 242: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:31,717 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:31,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:04:31,720 INFO L550 ElimStorePlain]: Start of recursive call 243: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:31,871 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:31,872 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 66 [2021-07-13 20:04:31,873 INFO L550 ElimStorePlain]: Start of recursive call 244: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:32,019 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:32,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:32,021 INFO L550 ElimStorePlain]: Start of recursive call 245: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:32,166 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:32,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:32,168 INFO L550 ElimStorePlain]: Start of recursive call 246: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:32,301 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:32,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:04:32,302 INFO L550 ElimStorePlain]: Start of recursive call 247: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:32,454 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:32,455 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 165 treesize of output 66 [2021-07-13 20:04:32,456 INFO L550 ElimStorePlain]: Start of recursive call 248: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:32,623 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:32,623 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 175 treesize of output 66 [2021-07-13 20:04:32,624 INFO L550 ElimStorePlain]: Start of recursive call 249: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:32,759 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:32,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:04:32,761 INFO L550 ElimStorePlain]: Start of recursive call 250: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:32,896 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:32,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:04:32,898 INFO L550 ElimStorePlain]: Start of recursive call 251: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:33,049 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:33,050 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 155 treesize of output 62 [2021-07-13 20:04:33,051 INFO L550 ElimStorePlain]: Start of recursive call 252: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:33,202 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:33,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:33,204 INFO L550 ElimStorePlain]: Start of recursive call 253: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:33,340 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:33,341 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 158 treesize of output 55 [2021-07-13 20:04:33,343 INFO L550 ElimStorePlain]: Start of recursive call 254: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:33,502 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:33,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:04:33,504 INFO L550 ElimStorePlain]: Start of recursive call 255: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:33,657 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:33,658 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 155 treesize of output 62 [2021-07-13 20:04:33,659 INFO L550 ElimStorePlain]: Start of recursive call 256: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:33,816 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:33,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:33,818 INFO L550 ElimStorePlain]: Start of recursive call 257: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:33,959 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:33,960 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 148 treesize of output 55 [2021-07-13 20:04:33,961 INFO L550 ElimStorePlain]: Start of recursive call 258: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:34,117 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:34,117 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 175 treesize of output 66 [2021-07-13 20:04:34,119 INFO L550 ElimStorePlain]: Start of recursive call 259: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:34,284 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:34,284 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 175 treesize of output 68 [2021-07-13 20:04:34,286 INFO L550 ElimStorePlain]: Start of recursive call 260: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:34,450 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:34,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:34,452 INFO L550 ElimStorePlain]: Start of recursive call 261: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:34,600 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:34,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:04:34,602 INFO L550 ElimStorePlain]: Start of recursive call 262: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:34,760 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:34,760 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 170 treesize of output 67 [2021-07-13 20:04:34,761 INFO L550 ElimStorePlain]: Start of recursive call 263: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:34,905 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:34,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:04:34,907 INFO L550 ElimStorePlain]: Start of recursive call 264: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:35,067 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:35,067 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 155 treesize of output 64 [2021-07-13 20:04:35,069 INFO L550 ElimStorePlain]: Start of recursive call 265: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:35,231 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:35,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:35,233 INFO L550 ElimStorePlain]: Start of recursive call 266: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:35,379 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:35,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:04:35,380 INFO L550 ElimStorePlain]: Start of recursive call 267: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:35,560 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:35,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:04:35,561 INFO L550 ElimStorePlain]: Start of recursive call 268: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:35,716 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:35,717 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 165 treesize of output 56 [2021-07-13 20:04:35,719 INFO L550 ElimStorePlain]: Start of recursive call 269: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:35,885 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:35,885 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 63 [2021-07-13 20:04:35,886 INFO L550 ElimStorePlain]: Start of recursive call 270: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:36,059 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:36,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:36,061 INFO L550 ElimStorePlain]: Start of recursive call 271: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:36,227 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:36,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:36,228 INFO L550 ElimStorePlain]: Start of recursive call 272: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:36,393 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:36,394 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 180 treesize of output 69 [2021-07-13 20:04:36,396 INFO L550 ElimStorePlain]: Start of recursive call 273: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:36,561 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:36,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:36,562 INFO L550 ElimStorePlain]: Start of recursive call 274: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:36,724 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:36,724 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 163 treesize of output 56 [2021-07-13 20:04:36,726 INFO L550 ElimStorePlain]: Start of recursive call 275: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:36,895 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:36,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:36,897 INFO L550 ElimStorePlain]: Start of recursive call 276: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:37,069 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:37,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:37,071 INFO L550 ElimStorePlain]: Start of recursive call 277: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:37,240 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:37,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:37,242 INFO L550 ElimStorePlain]: Start of recursive call 278: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:37,409 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:37,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:37,412 INFO L550 ElimStorePlain]: Start of recursive call 279: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:37,589 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:37,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:37,591 INFO L550 ElimStorePlain]: Start of recursive call 280: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:37,752 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:37,752 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 190 treesize of output 61 [2021-07-13 20:04:37,754 INFO L550 ElimStorePlain]: Start of recursive call 281: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:37,926 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:37,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:37,929 INFO L550 ElimStorePlain]: Start of recursive call 282: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:38,109 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:38,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:38,111 INFO L550 ElimStorePlain]: Start of recursive call 283: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:38,274 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:38,274 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 170 treesize of output 57 [2021-07-13 20:04:38,276 INFO L550 ElimStorePlain]: Start of recursive call 284: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:38,453 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:38,454 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 [2021-07-13 20:04:38,456 INFO L550 ElimStorePlain]: Start of recursive call 285: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:38,640 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:38,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:38,642 INFO L550 ElimStorePlain]: Start of recursive call 286: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:38,824 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:38,824 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 65 [2021-07-13 20:04:38,826 INFO L550 ElimStorePlain]: Start of recursive call 287: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:38,988 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:38,989 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 158 treesize of output 55 [2021-07-13 20:04:38,990 INFO L550 ElimStorePlain]: Start of recursive call 288: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:39,169 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:39,169 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 175 treesize of output 66 [2021-07-13 20:04:39,171 INFO L550 ElimStorePlain]: Start of recursive call 289: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:39,334 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:39,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:04:39,336 INFO L550 ElimStorePlain]: Start of recursive call 290: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:39,515 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:39,515 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 160 treesize of output 63 [2021-07-13 20:04:39,517 INFO L550 ElimStorePlain]: Start of recursive call 291: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:39,699 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:39,699 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 160 treesize of output 63 [2021-07-13 20:04:39,701 INFO L550 ElimStorePlain]: Start of recursive call 292: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:39,889 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:39,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:39,891 INFO L550 ElimStorePlain]: Start of recursive call 293: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:40,080 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:40,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:40,082 INFO L550 ElimStorePlain]: Start of recursive call 294: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:40,272 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:40,272 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 150 treesize of output 61 [2021-07-13 20:04:40,273 INFO L550 ElimStorePlain]: Start of recursive call 295: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:40,456 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:40,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:40,457 INFO L550 ElimStorePlain]: Start of recursive call 296: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:40,640 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:40,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:40,642 INFO L550 ElimStorePlain]: Start of recursive call 297: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:40,836 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:40,837 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 170 treesize of output 67 [2021-07-13 20:04:40,838 INFO L550 ElimStorePlain]: Start of recursive call 298: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:41,027 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:41,028 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 155 treesize of output 64 [2021-07-13 20:04:41,029 INFO L550 ElimStorePlain]: Start of recursive call 299: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:41,224 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:41,225 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 170 treesize of output 65 [2021-07-13 20:04:41,226 INFO L550 ElimStorePlain]: Start of recursive call 300: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:41,420 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:41,420 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 185 treesize of output 68 [2021-07-13 20:04:41,422 INFO L550 ElimStorePlain]: Start of recursive call 301: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:41,599 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:41,599 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 170 treesize of output 57 [2021-07-13 20:04:41,601 INFO L550 ElimStorePlain]: Start of recursive call 302: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:41,788 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:41,788 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 160 treesize of output 63 [2021-07-13 20:04:41,790 INFO L550 ElimStorePlain]: Start of recursive call 303: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:41,984 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:41,984 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 170 treesize of output 67 [2021-07-13 20:04:41,986 INFO L550 ElimStorePlain]: Start of recursive call 304: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:42,160 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:42,160 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 170 treesize of output 57 [2021-07-13 20:04:42,162 INFO L550 ElimStorePlain]: Start of recursive call 305: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:42,358 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:42,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:42,360 INFO L550 ElimStorePlain]: Start of recursive call 306: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:42,551 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:42,551 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 170 treesize of output 65 [2021-07-13 20:04:42,553 INFO L550 ElimStorePlain]: Start of recursive call 307: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:42,747 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:42,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:42,749 INFO L550 ElimStorePlain]: Start of recursive call 308: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:42,941 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:42,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:42,942 INFO L550 ElimStorePlain]: Start of recursive call 309: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:43,130 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:43,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:43,132 INFO L550 ElimStorePlain]: Start of recursive call 310: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:43,323 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:43,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:43,325 INFO L550 ElimStorePlain]: Start of recursive call 311: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:43,519 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:43,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:43,521 INFO L550 ElimStorePlain]: Start of recursive call 312: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:43,712 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:43,713 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 175 treesize of output 66 [2021-07-13 20:04:43,715 INFO L550 ElimStorePlain]: Start of recursive call 313: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:43,908 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:43,908 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 155 treesize of output 64 [2021-07-13 20:04:43,910 INFO L550 ElimStorePlain]: Start of recursive call 314: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:44,107 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:44,107 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 170 treesize of output 65 [2021-07-13 20:04:44,108 INFO L550 ElimStorePlain]: Start of recursive call 315: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:44,305 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:44,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:44,306 INFO L550 ElimStorePlain]: Start of recursive call 316: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:44,487 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:44,488 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 160 treesize of output 55 [2021-07-13 20:04:44,489 INFO L550 ElimStorePlain]: Start of recursive call 317: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:44,685 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:44,686 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 [2021-07-13 20:04:44,687 INFO L550 ElimStorePlain]: Start of recursive call 318: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:44,887 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:44,888 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 165 treesize of output 66 [2021-07-13 20:04:44,890 INFO L550 ElimStorePlain]: Start of recursive call 319: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:45,086 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:45,087 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 150 treesize of output 61 [2021-07-13 20:04:45,088 INFO L550 ElimStorePlain]: Start of recursive call 320: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:45,270 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:45,270 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 170 treesize of output 57 [2021-07-13 20:04:45,272 INFO L550 ElimStorePlain]: Start of recursive call 321: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:45,456 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:45,456 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 155 treesize of output 54 [2021-07-13 20:04:45,458 INFO L550 ElimStorePlain]: Start of recursive call 322: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:45,643 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:45,643 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 158 treesize of output 57 [2021-07-13 20:04:45,645 INFO L550 ElimStorePlain]: Start of recursive call 323: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:45,830 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:45,830 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 158 treesize of output 57 [2021-07-13 20:04:45,831 INFO L550 ElimStorePlain]: Start of recursive call 324: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:46,015 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:46,016 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 153 treesize of output 56 [2021-07-13 20:04:46,018 INFO L550 ElimStorePlain]: Start of recursive call 325: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:46,221 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:46,222 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 180 treesize of output 67 [2021-07-13 20:04:46,223 INFO L550 ElimStorePlain]: Start of recursive call 326: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:46,428 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:46,428 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 160 treesize of output 63 [2021-07-13 20:04:46,429 INFO L550 ElimStorePlain]: Start of recursive call 327: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:46,632 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:46,633 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 150 treesize of output 61 [2021-07-13 20:04:46,634 INFO L550 ElimStorePlain]: Start of recursive call 328: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:46,828 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:46,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:04:46,830 INFO L550 ElimStorePlain]: Start of recursive call 329: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:47,043 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:47,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:47,150 INFO L550 ElimStorePlain]: Start of recursive call 330: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:47,227 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:47,227 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 [2021-07-13 20:04:47,229 INFO L550 ElimStorePlain]: Start of recursive call 331: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:47,323 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:47,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:47,324 INFO L550 ElimStorePlain]: Start of recursive call 332: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:47,420 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:47,420 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 175 treesize of output 66 [2021-07-13 20:04:47,422 INFO L550 ElimStorePlain]: Start of recursive call 333: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:47,514 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:47,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:47,515 INFO L550 ElimStorePlain]: Start of recursive call 334: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:47,608 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:47,609 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 170 treesize of output 65 [2021-07-13 20:04:47,611 INFO L550 ElimStorePlain]: Start of recursive call 335: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:47,704 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:47,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:47,707 INFO L550 ElimStorePlain]: Start of recursive call 336: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:47,803 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:47,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:47,805 INFO L550 ElimStorePlain]: Start of recursive call 337: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:47,907 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:47,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:47,908 INFO L550 ElimStorePlain]: Start of recursive call 338: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:48,004 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:48,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:48,006 INFO L550 ElimStorePlain]: Start of recursive call 339: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:48,091 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:48,091 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 158 treesize of output 57 [2021-07-13 20:04:48,092 INFO L550 ElimStorePlain]: Start of recursive call 340: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:48,177 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:48,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:04:48,178 INFO L550 ElimStorePlain]: Start of recursive call 341: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:48,308 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:48,308 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 150 treesize of output 61 [2021-07-13 20:04:48,309 INFO L550 ElimStorePlain]: Start of recursive call 342: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:48,425 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:48,425 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 165 treesize of output 66 [2021-07-13 20:04:48,427 INFO L550 ElimStorePlain]: Start of recursive call 343: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:48,533 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:48,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:48,534 INFO L550 ElimStorePlain]: Start of recursive call 344: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:48,640 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:48,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:48,642 INFO L550 ElimStorePlain]: Start of recursive call 345: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:48,749 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:48,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:48,751 INFO L550 ElimStorePlain]: Start of recursive call 346: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:48,838 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:48,839 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 11 new quantified variables, introduced 15 case distinctions, treesize of input 150 treesize of output 53 [2021-07-13 20:04:48,840 INFO L550 ElimStorePlain]: Start of recursive call 347: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:48,951 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:48,951 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 150 treesize of output 61 [2021-07-13 20:04:48,953 INFO L550 ElimStorePlain]: Start of recursive call 348: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:49,044 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:49,044 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 173 treesize of output 60 [2021-07-13 20:04:49,045 INFO L550 ElimStorePlain]: Start of recursive call 349: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:49,151 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:49,151 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 180 treesize of output 67 [2021-07-13 20:04:49,153 INFO L550 ElimStorePlain]: Start of recursive call 350: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:49,244 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:49,245 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 165 treesize of output 56 [2021-07-13 20:04:49,246 INFO L550 ElimStorePlain]: Start of recursive call 351: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:49,353 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:49,354 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 170 treesize of output 65 [2021-07-13 20:04:49,356 INFO L550 ElimStorePlain]: Start of recursive call 352: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:49,461 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:49,461 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 165 treesize of output 66 [2021-07-13 20:04:49,463 INFO L550 ElimStorePlain]: Start of recursive call 353: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:49,577 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:49,577 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 155 treesize of output 62 [2021-07-13 20:04:49,579 INFO L550 ElimStorePlain]: Start of recursive call 354: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:49,699 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:49,699 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 155 treesize of output 64 [2021-07-13 20:04:49,702 INFO L550 ElimStorePlain]: Start of recursive call 355: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:49,842 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:49,842 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 175 treesize of output 66 [2021-07-13 20:04:49,844 INFO L550 ElimStorePlain]: Start of recursive call 356: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:49,979 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:49,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:49,982 INFO L550 ElimStorePlain]: Start of recursive call 357: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:50,105 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:50,106 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 170 treesize of output 57 [2021-07-13 20:04:50,107 INFO L550 ElimStorePlain]: Start of recursive call 358: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:50,253 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:50,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:50,256 INFO L550 ElimStorePlain]: Start of recursive call 359: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:50,377 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:50,377 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 175 treesize of output 58 [2021-07-13 20:04:50,379 INFO L550 ElimStorePlain]: Start of recursive call 360: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:50,503 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:50,503 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 175 treesize of output 66 [2021-07-13 20:04:50,505 INFO L550 ElimStorePlain]: Start of recursive call 361: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:50,625 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:50,626 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 160 treesize of output 65 [2021-07-13 20:04:50,627 INFO L550 ElimStorePlain]: Start of recursive call 362: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:50,741 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:50,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:50,742 INFO L550 ElimStorePlain]: Start of recursive call 363: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:50,841 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:50,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:04:50,843 INFO L550 ElimStorePlain]: Start of recursive call 364: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:50,957 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:50,958 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 155 treesize of output 62 [2021-07-13 20:04:50,959 INFO L550 ElimStorePlain]: Start of recursive call 365: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:51,076 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:51,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:51,079 INFO L550 ElimStorePlain]: Start of recursive call 366: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:51,181 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:51,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:04:51,183 INFO L550 ElimStorePlain]: Start of recursive call 367: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:51,299 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:51,299 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 165 treesize of output 64 [2021-07-13 20:04:51,301 INFO L550 ElimStorePlain]: Start of recursive call 368: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:51,417 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:51,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:51,419 INFO L550 ElimStorePlain]: Start of recursive call 369: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:51,536 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:51,536 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 [2021-07-13 20:04:51,538 INFO L550 ElimStorePlain]: Start of recursive call 370: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:51,655 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:51,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:51,657 INFO L550 ElimStorePlain]: Start of recursive call 371: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:51,776 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:51,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:51,778 INFO L550 ElimStorePlain]: Start of recursive call 372: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:51,900 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:51,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:51,902 INFO L550 ElimStorePlain]: Start of recursive call 373: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:52,022 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:52,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:52,024 INFO L550 ElimStorePlain]: Start of recursive call 374: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:52,151 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:52,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:52,153 INFO L550 ElimStorePlain]: Start of recursive call 375: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:52,276 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:52,276 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 150 treesize of output 63 [2021-07-13 20:04:52,277 INFO L550 ElimStorePlain]: Start of recursive call 376: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:52,387 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:52,387 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 165 treesize of output 56 [2021-07-13 20:04:52,388 INFO L550 ElimStorePlain]: Start of recursive call 377: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:52,513 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:52,513 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 170 treesize of output 67 [2021-07-13 20:04:52,515 INFO L550 ElimStorePlain]: Start of recursive call 378: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:52,641 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:52,641 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 175 treesize of output 68 [2021-07-13 20:04:52,642 INFO L550 ElimStorePlain]: Start of recursive call 379: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:52,751 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:52,752 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 [2021-07-13 20:04:52,753 INFO L550 ElimStorePlain]: Start of recursive call 380: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:52,884 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:52,885 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 65 [2021-07-13 20:04:52,886 INFO L550 ElimStorePlain]: Start of recursive call 381: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:53,016 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:53,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:53,018 INFO L550 ElimStorePlain]: Start of recursive call 382: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:53,130 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:53,130 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 185 treesize of output 60 [2021-07-13 20:04:53,132 INFO L550 ElimStorePlain]: Start of recursive call 383: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:53,259 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:53,260 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 155 treesize of output 62 [2021-07-13 20:04:53,261 INFO L550 ElimStorePlain]: Start of recursive call 384: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:53,376 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:53,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:04:53,377 INFO L550 ElimStorePlain]: Start of recursive call 385: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:53,495 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:53,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:04:53,497 INFO L550 ElimStorePlain]: Start of recursive call 386: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:53,610 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:53,611 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 180 treesize of output 59 [2021-07-13 20:04:53,613 INFO L550 ElimStorePlain]: Start of recursive call 387: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:53,747 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:53,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:53,749 INFO L550 ElimStorePlain]: Start of recursive call 388: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:53,883 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:53,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:53,885 INFO L550 ElimStorePlain]: Start of recursive call 389: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:54,000 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:54,000 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 163 treesize of output 56 [2021-07-13 20:04:54,002 INFO L550 ElimStorePlain]: Start of recursive call 390: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:54,131 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:54,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:54,133 INFO L550 ElimStorePlain]: Start of recursive call 391: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:54,262 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:54,263 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 170 treesize of output 67 [2021-07-13 20:04:54,264 INFO L550 ElimStorePlain]: Start of recursive call 392: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:54,380 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:54,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:04:54,382 INFO L550 ElimStorePlain]: Start of recursive call 393: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:54,501 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:54,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:04:54,502 INFO L550 ElimStorePlain]: Start of recursive call 394: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:54,635 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:54,635 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 175 treesize of output 66 [2021-07-13 20:04:54,637 INFO L550 ElimStorePlain]: Start of recursive call 395: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:54,776 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:54,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:54,778 INFO L550 ElimStorePlain]: Start of recursive call 396: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:54,913 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:54,913 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 170 treesize of output 67 [2021-07-13 20:04:54,915 INFO L550 ElimStorePlain]: Start of recursive call 397: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:55,049 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:55,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:55,051 INFO L550 ElimStorePlain]: Start of recursive call 398: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:55,186 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:55,186 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 165 treesize of output 64 [2021-07-13 20:04:55,187 INFO L550 ElimStorePlain]: Start of recursive call 399: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:55,325 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:55,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:55,327 INFO L550 ElimStorePlain]: Start of recursive call 400: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:55,448 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:55,448 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 165 treesize of output 56 [2021-07-13 20:04:55,449 INFO L550 ElimStorePlain]: Start of recursive call 401: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:55,584 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:55,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:55,586 INFO L550 ElimStorePlain]: Start of recursive call 402: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:55,722 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:55,722 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 160 treesize of output 63 [2021-07-13 20:04:55,723 INFO L550 ElimStorePlain]: Start of recursive call 403: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:55,860 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:55,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:55,862 INFO L550 ElimStorePlain]: Start of recursive call 404: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:56,001 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:56,001 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 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-07-13 20:04:56,003 INFO L550 ElimStorePlain]: Start of recursive call 405: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:56,144 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:56,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:56,146 INFO L550 ElimStorePlain]: Start of recursive call 406: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:56,274 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:56,274 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 155 treesize of output 54 [2021-07-13 20:04:56,276 INFO L550 ElimStorePlain]: Start of recursive call 407: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:56,403 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:56,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:04:56,405 INFO L550 ElimStorePlain]: Start of recursive call 408: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:56,546 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:56,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:56,548 INFO L550 ElimStorePlain]: Start of recursive call 409: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:56,676 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:56,676 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 190 treesize of output 61 [2021-07-13 20:04:56,677 INFO L550 ElimStorePlain]: Start of recursive call 410: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:56,824 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:56,825 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 [2021-07-13 20:04:56,826 INFO L550 ElimStorePlain]: Start of recursive call 411: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:56,955 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:56,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:04:56,956 INFO L550 ElimStorePlain]: Start of recursive call 412: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:57,097 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:57,098 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 160 treesize of output 65 [2021-07-13 20:04:57,099 INFO L550 ElimStorePlain]: Start of recursive call 413: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:57,246 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:57,246 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 165 treesize of output 64 [2021-07-13 20:04:57,247 INFO L550 ElimStorePlain]: Start of recursive call 414: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:57,378 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:57,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:04:57,380 INFO L550 ElimStorePlain]: Start of recursive call 415: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:57,509 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:57,509 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 175 treesize of output 58 [2021-07-13 20:04:57,511 INFO L550 ElimStorePlain]: Start of recursive call 416: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:57,658 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:57,658 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 155 treesize of output 62 [2021-07-13 20:04:57,660 INFO L550 ElimStorePlain]: Start of recursive call 417: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:57,806 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:57,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:57,807 INFO L550 ElimStorePlain]: Start of recursive call 418: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:57,950 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:57,951 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 [2021-07-13 20:04:57,952 INFO L550 ElimStorePlain]: Start of recursive call 419: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:58,096 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:58,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:58,098 INFO L550 ElimStorePlain]: Start of recursive call 420: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:58,243 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:58,244 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 170 treesize of output 65 [2021-07-13 20:04:58,245 INFO L550 ElimStorePlain]: Start of recursive call 421: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:58,398 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:58,398 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 160 treesize of output 65 [2021-07-13 20:04:58,399 INFO L550 ElimStorePlain]: Start of recursive call 422: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:58,548 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:58,548 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 165 treesize of output 64 [2021-07-13 20:04:58,549 INFO L550 ElimStorePlain]: Start of recursive call 423: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:58,695 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:58,695 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 160 treesize of output 65 [2021-07-13 20:04:58,697 INFO L550 ElimStorePlain]: Start of recursive call 424: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:58,830 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:58,831 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 175 treesize of output 58 [2021-07-13 20:04:58,832 INFO L550 ElimStorePlain]: Start of recursive call 425: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:58,978 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:58,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:58,980 INFO L550 ElimStorePlain]: Start of recursive call 426: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:59,133 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:59,133 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 170 treesize of output 67 [2021-07-13 20:04:59,135 INFO L550 ElimStorePlain]: Start of recursive call 427: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:59,281 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:59,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:59,282 INFO L550 ElimStorePlain]: Start of recursive call 428: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:59,416 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:04:59,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:04:59,417 INFO L550 ElimStorePlain]: Start of recursive call 429: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:59,566 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:59,566 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 160 treesize of output 63 [2021-07-13 20:04:59,568 INFO L550 ElimStorePlain]: Start of recursive call 430: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:59,717 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:59,717 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 165 treesize of output 66 [2021-07-13 20:04:59,718 INFO L550 ElimStorePlain]: Start of recursive call 431: End of recursive call: and 1 xjuncts. [2021-07-13 20:04:59,867 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:04:59,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:04:59,869 INFO L550 ElimStorePlain]: Start of recursive call 432: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:00,018 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:00,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:00,020 INFO L550 ElimStorePlain]: Start of recursive call 433: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:00,171 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:00,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:00,172 INFO L550 ElimStorePlain]: Start of recursive call 434: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:00,347 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:00,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:00,349 INFO L550 ElimStorePlain]: Start of recursive call 435: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:00,530 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:00,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:00,533 INFO L550 ElimStorePlain]: Start of recursive call 436: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:00,701 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:00,701 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 170 treesize of output 67 [2021-07-13 20:05:00,702 INFO L550 ElimStorePlain]: Start of recursive call 437: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:00,841 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:00,842 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 165 treesize of output 56 [2021-07-13 20:05:00,843 INFO L550 ElimStorePlain]: Start of recursive call 438: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:00,998 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:00,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:01,000 INFO L550 ElimStorePlain]: Start of recursive call 439: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:01,155 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:01,156 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 67 [2021-07-13 20:05:01,157 INFO L550 ElimStorePlain]: Start of recursive call 440: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:01,316 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:01,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:01,317 INFO L550 ElimStorePlain]: Start of recursive call 441: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:01,475 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:01,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:01,477 INFO L550 ElimStorePlain]: Start of recursive call 442: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:01,635 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:01,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:01,637 INFO L550 ElimStorePlain]: Start of recursive call 443: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:01,796 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:01,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:01,797 INFO L550 ElimStorePlain]: Start of recursive call 444: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:01,956 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:01,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:01,957 INFO L550 ElimStorePlain]: Start of recursive call 445: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:02,116 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:02,117 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 [2021-07-13 20:05:02,118 INFO L550 ElimStorePlain]: Start of recursive call 446: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:02,263 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:02,263 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 168 treesize of output 57 [2021-07-13 20:05:02,264 INFO L550 ElimStorePlain]: Start of recursive call 447: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:02,425 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:02,425 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 170 treesize of output 67 [2021-07-13 20:05:02,426 INFO L550 ElimStorePlain]: Start of recursive call 448: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:02,587 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:02,587 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 [2021-07-13 20:05:02,588 INFO L550 ElimStorePlain]: Start of recursive call 449: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:02,748 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:02,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:02,750 INFO L550 ElimStorePlain]: Start of recursive call 450: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:02,914 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:02,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:02,920 INFO L550 ElimStorePlain]: Start of recursive call 451: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:03,083 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:03,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:03,085 INFO L550 ElimStorePlain]: Start of recursive call 452: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:03,248 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:03,248 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 [2021-07-13 20:05:03,250 INFO L550 ElimStorePlain]: Start of recursive call 453: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:03,417 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:03,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:03,419 INFO L550 ElimStorePlain]: Start of recursive call 454: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:03,595 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:03,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:03,596 INFO L550 ElimStorePlain]: Start of recursive call 455: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:03,766 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:03,766 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 160 treesize of output 65 [2021-07-13 20:05:03,768 INFO L550 ElimStorePlain]: Start of recursive call 456: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:03,919 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:03,919 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 168 treesize of output 57 [2021-07-13 20:05:03,920 INFO L550 ElimStorePlain]: Start of recursive call 457: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:04,070 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:04,070 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 [2021-07-13 20:05:04,072 INFO L550 ElimStorePlain]: Start of recursive call 458: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:04,237 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:04,238 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 65 [2021-07-13 20:05:04,239 INFO L550 ElimStorePlain]: Start of recursive call 459: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:04,390 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:04,391 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 168 treesize of output 59 [2021-07-13 20:05:04,392 INFO L550 ElimStorePlain]: Start of recursive call 460: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:04,545 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:04,545 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 155 treesize of output 54 [2021-07-13 20:05:04,547 INFO L550 ElimStorePlain]: Start of recursive call 461: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:04,714 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:04,715 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 165 treesize of output 64 [2021-07-13 20:05:04,716 INFO L550 ElimStorePlain]: Start of recursive call 462: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:04,884 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:04,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:04,885 INFO L550 ElimStorePlain]: Start of recursive call 463: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:05,053 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:05,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:05,055 INFO L550 ElimStorePlain]: Start of recursive call 464: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:05,225 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:05,225 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 180 treesize of output 67 [2021-07-13 20:05:05,227 INFO L550 ElimStorePlain]: Start of recursive call 465: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:05,395 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:05,396 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 165 treesize of output 64 [2021-07-13 20:05:05,397 INFO L550 ElimStorePlain]: Start of recursive call 466: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:05,567 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:05,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:05,569 INFO L550 ElimStorePlain]: Start of recursive call 467: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:05,739 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:05,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:05,742 INFO L550 ElimStorePlain]: Start of recursive call 468: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:05,911 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:05,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:05,913 INFO L550 ElimStorePlain]: Start of recursive call 469: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:06,080 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:06,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:06,083 INFO L550 ElimStorePlain]: Start of recursive call 470: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:06,256 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:06,256 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 180 treesize of output 67 [2021-07-13 20:05:06,258 INFO L550 ElimStorePlain]: Start of recursive call 471: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:06,417 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:06,418 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 163 treesize of output 58 [2021-07-13 20:05:06,421 INFO L550 ElimStorePlain]: Start of recursive call 472: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:06,597 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:06,597 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 64 [2021-07-13 20:05:06,599 INFO L550 ElimStorePlain]: Start of recursive call 473: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:06,775 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:06,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:06,777 INFO L550 ElimStorePlain]: Start of recursive call 474: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:06,952 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:06,952 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 155 treesize of output 64 [2021-07-13 20:05:06,954 INFO L550 ElimStorePlain]: Start of recursive call 475: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:07,118 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:07,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 153 treesize of output 54 [2021-07-13 20:05:07,120 INFO L550 ElimStorePlain]: Start of recursive call 476: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:07,295 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:07,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:07,297 INFO L550 ElimStorePlain]: Start of recursive call 477: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:07,461 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:07,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:05:07,462 INFO L550 ElimStorePlain]: Start of recursive call 478: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:07,642 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:07,642 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 63 [2021-07-13 20:05:07,643 INFO L550 ElimStorePlain]: Start of recursive call 479: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:07,831 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:07,831 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 150 treesize of output 61 [2021-07-13 20:05:07,832 INFO L550 ElimStorePlain]: Start of recursive call 480: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:07,999 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:07,999 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 178 treesize of output 61 [2021-07-13 20:05:08,001 INFO L550 ElimStorePlain]: Start of recursive call 481: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:08,178 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:08,178 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 160 treesize of output 63 [2021-07-13 20:05:08,180 INFO L550 ElimStorePlain]: Start of recursive call 482: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:08,362 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:08,363 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 170 treesize of output 65 [2021-07-13 20:05:08,364 INFO L550 ElimStorePlain]: Start of recursive call 483: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:08,542 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:08,543 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 160 treesize of output 63 [2021-07-13 20:05:08,545 INFO L550 ElimStorePlain]: Start of recursive call 484: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:08,723 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:08,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:08,724 INFO L550 ElimStorePlain]: Start of recursive call 485: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:08,908 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:08,908 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 155 treesize of output 64 [2021-07-13 20:05:08,909 INFO L550 ElimStorePlain]: Start of recursive call 486: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:08,983 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:08,984 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 160 treesize of output 65 [2021-07-13 20:05:08,986 INFO L550 ElimStorePlain]: Start of recursive call 487: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:09,061 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:09,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:09,063 INFO L550 ElimStorePlain]: Start of recursive call 488: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:09,138 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:09,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:09,150 INFO L550 ElimStorePlain]: Start of recursive call 489: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:09,217 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:09,217 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 153 treesize of output 56 [2021-07-13 20:05:09,218 INFO L550 ElimStorePlain]: Start of recursive call 490: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:09,294 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:09,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:09,296 INFO L550 ElimStorePlain]: Start of recursive call 491: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:09,377 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:09,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:09,379 INFO L550 ElimStorePlain]: Start of recursive call 492: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:09,461 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:09,461 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 66 [2021-07-13 20:05:09,463 INFO L550 ElimStorePlain]: Start of recursive call 493: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:09,559 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:09,560 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 165 treesize of output 64 [2021-07-13 20:05:09,562 INFO L550 ElimStorePlain]: Start of recursive call 494: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:09,647 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:09,647 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 170 treesize of output 67 [2021-07-13 20:05:09,649 INFO L550 ElimStorePlain]: Start of recursive call 495: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:09,730 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:09,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:09,732 INFO L550 ElimStorePlain]: Start of recursive call 496: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:09,814 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:09,814 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 155 treesize of output 62 [2021-07-13 20:05:09,816 INFO L550 ElimStorePlain]: Start of recursive call 497: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:09,887 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:09,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:05:09,889 INFO L550 ElimStorePlain]: Start of recursive call 498: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:09,975 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:09,975 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 170 treesize of output 65 [2021-07-13 20:05:09,977 INFO L550 ElimStorePlain]: Start of recursive call 499: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:10,094 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:10,094 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 185 treesize of output 60 [2021-07-13 20:05:10,096 INFO L550 ElimStorePlain]: Start of recursive call 500: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:10,206 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:10,206 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 [2021-07-13 20:05:10,208 INFO L550 ElimStorePlain]: Start of recursive call 501: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:10,318 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:10,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:10,320 INFO L550 ElimStorePlain]: Start of recursive call 502: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:10,433 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:10,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:10,435 INFO L550 ElimStorePlain]: Start of recursive call 503: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:10,525 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:10,525 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 180 treesize of output 59 [2021-07-13 20:05:10,526 INFO L550 ElimStorePlain]: Start of recursive call 504: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:10,611 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:10,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:10,613 INFO L550 ElimStorePlain]: Start of recursive call 505: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:10,697 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:10,697 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 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-07-13 20:05:10,699 INFO L550 ElimStorePlain]: Start of recursive call 506: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:10,772 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:10,773 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 175 treesize of output 58 [2021-07-13 20:05:10,774 INFO L550 ElimStorePlain]: Start of recursive call 507: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:10,861 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:10,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:10,863 INFO L550 ElimStorePlain]: Start of recursive call 508: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:10,950 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:10,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:10,951 INFO L550 ElimStorePlain]: Start of recursive call 509: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:11,028 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:11,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:05:11,029 INFO L550 ElimStorePlain]: Start of recursive call 510: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:11,118 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:11,118 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 [2021-07-13 20:05:11,120 INFO L550 ElimStorePlain]: Start of recursive call 511: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:11,207 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:11,208 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 175 treesize of output 66 [2021-07-13 20:05:11,209 INFO L550 ElimStorePlain]: Start of recursive call 512: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:11,299 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:11,299 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 64 [2021-07-13 20:05:11,301 INFO L550 ElimStorePlain]: Start of recursive call 513: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:11,390 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:11,390 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 160 treesize of output 63 [2021-07-13 20:05:11,391 INFO L550 ElimStorePlain]: Start of recursive call 514: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:11,481 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:11,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:11,483 INFO L550 ElimStorePlain]: Start of recursive call 515: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:11,562 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:11,562 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 180 treesize of output 59 [2021-07-13 20:05:11,564 INFO L550 ElimStorePlain]: Start of recursive call 516: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:11,642 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:11,642 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 143 treesize of output 52 [2021-07-13 20:05:11,643 INFO L550 ElimStorePlain]: Start of recursive call 517: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:11,734 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:11,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:11,736 INFO L550 ElimStorePlain]: Start of recursive call 518: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:11,815 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:11,815 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 170 treesize of output 57 [2021-07-13 20:05:11,816 INFO L550 ElimStorePlain]: Start of recursive call 519: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:11,907 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:11,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:11,908 INFO L550 ElimStorePlain]: Start of recursive call 520: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:12,000 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:12,001 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 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-07-13 20:05:12,002 INFO L550 ElimStorePlain]: Start of recursive call 521: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:12,095 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:12,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:12,097 INFO L550 ElimStorePlain]: Start of recursive call 522: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:12,178 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:12,178 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 148 treesize of output 53 [2021-07-13 20:05:12,179 INFO L550 ElimStorePlain]: Start of recursive call 523: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:12,277 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:12,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:12,279 INFO L550 ElimStorePlain]: Start of recursive call 524: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:12,372 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:12,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:12,373 INFO L550 ElimStorePlain]: Start of recursive call 525: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:12,468 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:12,468 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 165 treesize of output 64 [2021-07-13 20:05:12,469 INFO L550 ElimStorePlain]: Start of recursive call 526: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:12,552 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:12,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:05:12,554 INFO L550 ElimStorePlain]: Start of recursive call 527: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:12,637 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:12,638 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 [2021-07-13 20:05:12,639 INFO L550 ElimStorePlain]: Start of recursive call 528: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:12,735 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:12,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:12,737 INFO L550 ElimStorePlain]: Start of recursive call 529: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:12,833 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:12,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:12,835 INFO L550 ElimStorePlain]: Start of recursive call 530: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:12,933 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:12,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:12,935 INFO L550 ElimStorePlain]: Start of recursive call 531: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:13,031 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:13,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:13,033 INFO L550 ElimStorePlain]: Start of recursive call 532: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:13,118 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:13,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:05:13,120 INFO L550 ElimStorePlain]: Start of recursive call 533: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:13,220 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:13,220 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 155 treesize of output 62 [2021-07-13 20:05:13,221 INFO L550 ElimStorePlain]: Start of recursive call 534: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:13,310 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:13,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:05:13,311 INFO L550 ElimStorePlain]: Start of recursive call 535: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:13,399 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:13,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:05:13,401 INFO L550 ElimStorePlain]: Start of recursive call 536: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:13,502 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:13,503 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 175 treesize of output 66 [2021-07-13 20:05:13,504 INFO L550 ElimStorePlain]: Start of recursive call 537: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:13,605 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:13,606 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 68 [2021-07-13 20:05:13,607 INFO L550 ElimStorePlain]: Start of recursive call 538: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:13,710 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:13,711 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 175 treesize of output 66 [2021-07-13 20:05:13,712 INFO L550 ElimStorePlain]: Start of recursive call 539: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:13,816 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:13,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:13,818 INFO L550 ElimStorePlain]: Start of recursive call 540: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:13,922 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:13,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:13,925 INFO L550 ElimStorePlain]: Start of recursive call 541: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:14,017 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:14,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:05:14,019 INFO L550 ElimStorePlain]: Start of recursive call 542: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:14,121 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:14,121 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 [2021-07-13 20:05:14,123 INFO L550 ElimStorePlain]: Start of recursive call 543: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:14,226 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:14,226 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 175 treesize of output 66 [2021-07-13 20:05:14,227 INFO L550 ElimStorePlain]: Start of recursive call 544: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:14,330 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:14,330 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 63 [2021-07-13 20:05:14,331 INFO L550 ElimStorePlain]: Start of recursive call 545: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:14,433 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:14,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:14,435 INFO L550 ElimStorePlain]: Start of recursive call 546: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:14,539 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:14,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:14,540 INFO L550 ElimStorePlain]: Start of recursive call 547: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:14,636 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:14,636 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 185 treesize of output 60 [2021-07-13 20:05:14,637 INFO L550 ElimStorePlain]: Start of recursive call 548: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:14,729 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:14,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:05:14,730 INFO L550 ElimStorePlain]: Start of recursive call 549: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:14,835 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:14,835 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 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-07-13 20:05:14,837 INFO L550 ElimStorePlain]: Start of recursive call 550: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:14,942 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:14,942 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 170 treesize of output 65 [2021-07-13 20:05:14,943 INFO L550 ElimStorePlain]: Start of recursive call 551: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:15,037 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:15,037 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 185 treesize of output 60 [2021-07-13 20:05:15,038 INFO L550 ElimStorePlain]: Start of recursive call 552: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:15,145 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:15,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:15,147 INFO L550 ElimStorePlain]: Start of recursive call 553: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:15,255 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:15,255 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 [2021-07-13 20:05:15,257 INFO L550 ElimStorePlain]: Start of recursive call 554: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:15,364 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:15,364 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 165 treesize of output 64 [2021-07-13 20:05:15,366 INFO L550 ElimStorePlain]: Start of recursive call 555: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:15,473 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:15,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:15,474 INFO L550 ElimStorePlain]: Start of recursive call 556: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:15,581 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:15,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:15,582 INFO L550 ElimStorePlain]: Start of recursive call 557: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:15,691 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:15,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:15,693 INFO L550 ElimStorePlain]: Start of recursive call 558: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:15,802 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:15,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:15,804 INFO L550 ElimStorePlain]: Start of recursive call 559: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:15,902 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:15,903 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 190 treesize of output 61 [2021-07-13 20:05:15,904 INFO L550 ElimStorePlain]: Start of recursive call 560: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:16,002 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:16,002 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 185 treesize of output 60 [2021-07-13 20:05:16,003 INFO L550 ElimStorePlain]: Start of recursive call 561: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:16,113 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:16,114 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 [2021-07-13 20:05:16,115 INFO L550 ElimStorePlain]: Start of recursive call 562: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:16,226 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:16,226 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 165 treesize of output 64 [2021-07-13 20:05:16,228 INFO L550 ElimStorePlain]: Start of recursive call 563: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:16,343 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:16,343 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 170 treesize of output 65 [2021-07-13 20:05:16,345 INFO L550 ElimStorePlain]: Start of recursive call 564: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:16,457 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:16,458 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 64 [2021-07-13 20:05:16,459 INFO L550 ElimStorePlain]: Start of recursive call 565: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:16,565 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:16,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:05:16,566 INFO L550 ElimStorePlain]: Start of recursive call 566: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:16,668 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:16,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:05:16,670 INFO L550 ElimStorePlain]: Start of recursive call 567: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:16,783 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:16,783 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 165 treesize of output 66 [2021-07-13 20:05:16,785 INFO L550 ElimStorePlain]: Start of recursive call 568: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:16,900 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:16,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:16,902 INFO L550 ElimStorePlain]: Start of recursive call 569: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:17,017 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:17,017 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 [2021-07-13 20:05:17,019 INFO L550 ElimStorePlain]: Start of recursive call 570: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:17,133 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:17,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:17,136 INFO L550 ElimStorePlain]: Start of recursive call 571: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:17,251 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:17,252 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 [2021-07-13 20:05:17,253 INFO L550 ElimStorePlain]: Start of recursive call 572: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:17,367 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:17,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:17,369 INFO L550 ElimStorePlain]: Start of recursive call 573: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:17,484 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:17,484 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 [2021-07-13 20:05:17,485 INFO L550 ElimStorePlain]: Start of recursive call 574: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:17,600 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:17,601 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 165 treesize of output 64 [2021-07-13 20:05:17,602 INFO L550 ElimStorePlain]: Start of recursive call 575: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:17,705 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:17,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:05:17,707 INFO L550 ElimStorePlain]: Start of recursive call 576: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:17,823 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:17,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:17,825 INFO L550 ElimStorePlain]: Start of recursive call 577: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:17,938 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:17,938 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 170 treesize of output 65 [2021-07-13 20:05:17,939 INFO L550 ElimStorePlain]: Start of recursive call 578: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:18,051 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:18,052 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 [2021-07-13 20:05:18,053 INFO L550 ElimStorePlain]: Start of recursive call 579: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:18,154 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:18,155 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 168 treesize of output 59 [2021-07-13 20:05:18,156 INFO L550 ElimStorePlain]: Start of recursive call 580: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:18,279 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:18,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:18,281 INFO L550 ElimStorePlain]: Start of recursive call 581: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:18,406 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:18,406 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 165 treesize of output 64 [2021-07-13 20:05:18,408 INFO L550 ElimStorePlain]: Start of recursive call 582: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:18,539 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:18,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:18,541 INFO L550 ElimStorePlain]: Start of recursive call 583: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:18,646 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:18,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:05:18,648 INFO L550 ElimStorePlain]: Start of recursive call 584: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:18,766 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:18,766 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 160 treesize of output 65 [2021-07-13 20:05:18,769 INFO L550 ElimStorePlain]: Start of recursive call 585: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:18,874 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:18,875 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 180 treesize of output 59 [2021-07-13 20:05:18,876 INFO L550 ElimStorePlain]: Start of recursive call 586: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:18,993 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:18,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:18,995 INFO L550 ElimStorePlain]: Start of recursive call 587: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:19,114 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:19,114 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 [2021-07-13 20:05:19,116 INFO L550 ElimStorePlain]: Start of recursive call 588: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:19,224 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:19,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:05:19,226 INFO L550 ElimStorePlain]: Start of recursive call 589: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:19,344 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:19,344 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 170 treesize of output 67 [2021-07-13 20:05:19,346 INFO L550 ElimStorePlain]: Start of recursive call 590: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:19,453 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:19,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:05:19,454 INFO L550 ElimStorePlain]: Start of recursive call 591: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:19,576 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:19,576 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 63 [2021-07-13 20:05:19,577 INFO L550 ElimStorePlain]: Start of recursive call 592: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:19,684 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:19,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:05:19,685 INFO L550 ElimStorePlain]: Start of recursive call 593: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:19,806 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:19,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:19,807 INFO L550 ElimStorePlain]: Start of recursive call 594: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:19,918 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:19,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:05:19,919 INFO L550 ElimStorePlain]: Start of recursive call 595: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:20,041 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:20,042 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 165 treesize of output 64 [2021-07-13 20:05:20,043 INFO L550 ElimStorePlain]: Start of recursive call 596: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:20,154 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:20,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 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 [2021-07-13 20:05:20,156 INFO L550 ElimStorePlain]: Start of recursive call 597: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:20,281 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:20,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:20,283 INFO L550 ElimStorePlain]: Start of recursive call 598: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:20,406 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:20,406 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 150 treesize of output 61 [2021-07-13 20:05:20,407 INFO L550 ElimStorePlain]: Start of recursive call 599: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:20,533 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:20,534 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 [2021-07-13 20:05:20,535 INFO L550 ElimStorePlain]: Start of recursive call 600: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:20,645 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:20,646 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 158 treesize of output 57 [2021-07-13 20:05:20,647 INFO L550 ElimStorePlain]: Start of recursive call 601: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:20,756 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:20,756 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 175 treesize of output 58 [2021-07-13 20:05:20,758 INFO L550 ElimStorePlain]: Start of recursive call 602: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:20,880 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:20,880 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 150 treesize of output 63 [2021-07-13 20:05:20,882 INFO L550 ElimStorePlain]: Start of recursive call 603: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:21,005 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:21,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:21,007 INFO L550 ElimStorePlain]: Start of recursive call 604: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:21,130 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:21,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:21,132 INFO L550 ElimStorePlain]: Start of recursive call 605: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:21,256 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:21,256 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 [2021-07-13 20:05:21,258 INFO L550 ElimStorePlain]: Start of recursive call 606: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:21,382 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:21,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:21,384 INFO L550 ElimStorePlain]: Start of recursive call 607: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:21,497 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:21,498 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 173 treesize of output 60 [2021-07-13 20:05:21,499 INFO L550 ElimStorePlain]: Start of recursive call 608: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:21,629 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:21,629 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 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-07-13 20:05:21,631 INFO L550 ElimStorePlain]: Start of recursive call 609: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:21,762 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:21,762 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 160 treesize of output 63 [2021-07-13 20:05:21,764 INFO L550 ElimStorePlain]: Start of recursive call 610: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:21,892 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:21,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:21,895 INFO L550 ElimStorePlain]: Start of recursive call 611: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:22,027 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:22,027 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 [2021-07-13 20:05:22,028 INFO L550 ElimStorePlain]: Start of recursive call 612: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:22,155 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:22,155 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 160 treesize of output 65 [2021-07-13 20:05:22,157 INFO L550 ElimStorePlain]: Start of recursive call 613: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:22,284 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:22,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:22,286 INFO L550 ElimStorePlain]: Start of recursive call 614: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:22,412 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:22,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:22,414 INFO L550 ElimStorePlain]: Start of recursive call 615: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:22,555 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:22,555 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 160 treesize of output 65 [2021-07-13 20:05:22,556 INFO L550 ElimStorePlain]: Start of recursive call 616: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:22,674 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:22,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:05:22,676 INFO L550 ElimStorePlain]: Start of recursive call 617: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:22,808 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:22,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:22,809 INFO L550 ElimStorePlain]: Start of recursive call 618: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:22,937 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:22,938 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 155 treesize of output 64 [2021-07-13 20:05:22,939 INFO L550 ElimStorePlain]: Start of recursive call 619: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:23,055 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:23,055 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 163 treesize of output 58 [2021-07-13 20:05:23,056 INFO L550 ElimStorePlain]: Start of recursive call 620: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:23,179 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:23,179 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 165 treesize of output 56 [2021-07-13 20:05:23,181 INFO L550 ElimStorePlain]: Start of recursive call 621: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:23,313 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:23,313 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 155 treesize of output 62 [2021-07-13 20:05:23,314 INFO L550 ElimStorePlain]: Start of recursive call 622: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:23,443 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:23,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:23,445 INFO L550 ElimStorePlain]: Start of recursive call 623: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:23,576 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:23,576 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 165 treesize of output 66 [2021-07-13 20:05:23,577 INFO L550 ElimStorePlain]: Start of recursive call 624: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:23,708 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:23,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:23,710 INFO L550 ElimStorePlain]: Start of recursive call 625: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:23,840 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:23,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:23,843 INFO L550 ElimStorePlain]: Start of recursive call 626: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:23,976 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:23,976 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 [2021-07-13 20:05:23,978 INFO L550 ElimStorePlain]: Start of recursive call 627: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:24,108 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:24,108 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 65 [2021-07-13 20:05:24,110 INFO L550 ElimStorePlain]: Start of recursive call 628: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:24,239 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:24,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:24,242 INFO L550 ElimStorePlain]: Start of recursive call 629: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:24,372 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:24,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:24,373 INFO L550 ElimStorePlain]: Start of recursive call 630: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:24,500 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:24,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:24,502 INFO L550 ElimStorePlain]: Start of recursive call 631: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:24,630 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:24,631 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 170 treesize of output 67 [2021-07-13 20:05:24,633 INFO L550 ElimStorePlain]: Start of recursive call 632: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:24,749 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:24,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:05:24,750 INFO L550 ElimStorePlain]: Start of recursive call 633: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:24,880 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:24,880 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 165 treesize of output 64 [2021-07-13 20:05:24,882 INFO L550 ElimStorePlain]: Start of recursive call 634: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:24,998 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:24,999 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 153 treesize of output 56 [2021-07-13 20:05:25,000 INFO L550 ElimStorePlain]: Start of recursive call 635: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:25,118 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:25,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 160 treesize of output 55 [2021-07-13 20:05:25,119 INFO L550 ElimStorePlain]: Start of recursive call 636: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:25,251 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:25,252 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 145 treesize of output 60 [2021-07-13 20:05:25,253 INFO L550 ElimStorePlain]: Start of recursive call 637: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:25,383 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:25,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:25,385 INFO L550 ElimStorePlain]: Start of recursive call 638: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:25,518 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:25,518 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 160 treesize of output 65 [2021-07-13 20:05:25,520 INFO L550 ElimStorePlain]: Start of recursive call 639: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:25,654 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:25,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:25,656 INFO L550 ElimStorePlain]: Start of recursive call 640: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:25,775 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:25,775 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 168 treesize of output 59 [2021-07-13 20:05:25,777 INFO L550 ElimStorePlain]: Start of recursive call 641: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:25,895 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:25,895 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 180 treesize of output 59 [2021-07-13 20:05:25,896 INFO L550 ElimStorePlain]: Start of recursive call 642: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:26,028 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:26,028 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 165 treesize of output 64 [2021-07-13 20:05:26,030 INFO L550 ElimStorePlain]: Start of recursive call 643: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:26,162 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:26,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:26,163 INFO L550 ElimStorePlain]: Start of recursive call 644: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:26,295 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:26,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:26,297 INFO L550 ElimStorePlain]: Start of recursive call 645: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:26,428 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:26,428 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 165 treesize of output 66 [2021-07-13 20:05:26,430 INFO L550 ElimStorePlain]: Start of recursive call 646: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:26,564 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:26,565 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 170 treesize of output 65 [2021-07-13 20:05:26,566 INFO L550 ElimStorePlain]: Start of recursive call 647: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:26,699 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:26,699 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 160 treesize of output 63 [2021-07-13 20:05:26,701 INFO L550 ElimStorePlain]: Start of recursive call 648: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:26,820 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:26,820 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 173 treesize of output 58 [2021-07-13 20:05:26,822 INFO L550 ElimStorePlain]: Start of recursive call 649: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:26,955 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:26,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:26,957 INFO L550 ElimStorePlain]: Start of recursive call 650: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:27,092 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:27,093 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 165 treesize of output 64 [2021-07-13 20:05:27,094 INFO L550 ElimStorePlain]: Start of recursive call 651: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:27,226 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:27,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:27,229 INFO L550 ElimStorePlain]: Start of recursive call 652: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:27,361 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:27,361 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 180 treesize of output 67 [2021-07-13 20:05:27,363 INFO L550 ElimStorePlain]: Start of recursive call 653: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:27,495 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:27,495 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 155 treesize of output 64 [2021-07-13 20:05:27,497 INFO L550 ElimStorePlain]: Start of recursive call 654: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:27,629 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:27,629 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 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-07-13 20:05:27,631 INFO L550 ElimStorePlain]: Start of recursive call 655: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:27,766 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:27,767 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 175 treesize of output 68 [2021-07-13 20:05:27,768 INFO L550 ElimStorePlain]: Start of recursive call 656: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:27,903 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:27,903 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:27,904 INFO L550 ElimStorePlain]: Start of recursive call 657: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:28,039 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:28,040 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 180 treesize of output 67 [2021-07-13 20:05:28,041 INFO L550 ElimStorePlain]: Start of recursive call 658: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:28,163 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:28,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:05:28,164 INFO L550 ElimStorePlain]: Start of recursive call 659: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:28,323 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:28,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:28,326 INFO L550 ElimStorePlain]: Start of recursive call 660: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:28,454 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:28,454 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 163 treesize of output 56 [2021-07-13 20:05:28,455 INFO L550 ElimStorePlain]: Start of recursive call 661: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:28,589 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:28,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:28,591 INFO L550 ElimStorePlain]: Start of recursive call 662: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:28,732 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:28,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:28,734 INFO L550 ElimStorePlain]: Start of recursive call 663: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:28,868 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:28,868 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 170 treesize of output 65 [2021-07-13 20:05:28,870 INFO L550 ElimStorePlain]: Start of recursive call 664: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:29,004 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:29,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:29,006 INFO L550 ElimStorePlain]: Start of recursive call 665: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:29,140 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:29,140 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 175 treesize of output 66 [2021-07-13 20:05:29,142 INFO L550 ElimStorePlain]: Start of recursive call 666: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:29,276 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:29,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:29,278 INFO L550 ElimStorePlain]: Start of recursive call 667: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:29,401 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:29,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:05:29,402 INFO L550 ElimStorePlain]: Start of recursive call 668: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:29,538 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:29,538 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 [2021-07-13 20:05:29,539 INFO L550 ElimStorePlain]: Start of recursive call 669: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:29,675 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:29,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:29,677 INFO L550 ElimStorePlain]: Start of recursive call 670: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:29,812 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:29,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:29,814 INFO L550 ElimStorePlain]: Start of recursive call 671: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:29,947 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:29,948 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 145 treesize of output 60 [2021-07-13 20:05:29,949 INFO L550 ElimStorePlain]: Start of recursive call 672: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:30,084 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:30,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:30,086 INFO L550 ElimStorePlain]: Start of recursive call 673: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:30,222 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:30,222 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 170 treesize of output 65 [2021-07-13 20:05:30,224 INFO L550 ElimStorePlain]: Start of recursive call 674: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:30,361 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:30,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:30,363 INFO L550 ElimStorePlain]: Start of recursive call 675: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:30,498 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:30,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:30,500 INFO L550 ElimStorePlain]: Start of recursive call 676: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:30,623 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:30,624 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 175 treesize of output 58 [2021-07-13 20:05:30,625 INFO L550 ElimStorePlain]: Start of recursive call 677: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:30,761 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:30,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:30,763 INFO L550 ElimStorePlain]: Start of recursive call 678: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:30,898 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:30,899 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 170 treesize of output 65 [2021-07-13 20:05:30,900 INFO L550 ElimStorePlain]: Start of recursive call 679: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:31,023 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:31,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:05:31,025 INFO L550 ElimStorePlain]: Start of recursive call 680: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:31,149 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:31,150 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 168 treesize of output 57 [2021-07-13 20:05:31,151 INFO L550 ElimStorePlain]: Start of recursive call 681: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:31,288 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:31,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:31,290 INFO L550 ElimStorePlain]: Start of recursive call 682: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:31,425 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:31,425 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 155 treesize of output 64 [2021-07-13 20:05:31,427 INFO L550 ElimStorePlain]: Start of recursive call 683: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:31,551 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:31,551 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 170 treesize of output 57 [2021-07-13 20:05:31,553 INFO L550 ElimStorePlain]: Start of recursive call 684: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:31,709 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:31,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:31,711 INFO L550 ElimStorePlain]: Start of recursive call 685: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:31,754 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:31,754 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 155 treesize of output 54 [2021-07-13 20:05:31,756 INFO L550 ElimStorePlain]: Start of recursive call 686: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:31,810 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:31,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:31,812 INFO L550 ElimStorePlain]: Start of recursive call 687: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:31,855 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:31,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:05:31,857 INFO L550 ElimStorePlain]: Start of recursive call 688: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:31,912 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:31,912 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 155 treesize of output 62 [2021-07-13 20:05:31,914 INFO L550 ElimStorePlain]: Start of recursive call 689: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:31,958 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:31,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:05:31,959 INFO L550 ElimStorePlain]: Start of recursive call 690: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:32,014 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:32,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:32,016 INFO L550 ElimStorePlain]: Start of recursive call 691: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:32,071 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:32,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:32,073 INFO L550 ElimStorePlain]: Start of recursive call 692: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:32,128 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:32,129 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 150 treesize of output 61 [2021-07-13 20:05:32,130 INFO L550 ElimStorePlain]: Start of recursive call 693: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:32,188 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:32,188 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 155 treesize of output 62 [2021-07-13 20:05:32,189 INFO L550 ElimStorePlain]: Start of recursive call 694: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:32,247 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:32,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:32,249 INFO L550 ElimStorePlain]: Start of recursive call 695: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:32,296 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:32,297 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 170 treesize of output 57 [2021-07-13 20:05:32,298 INFO L550 ElimStorePlain]: Start of recursive call 696: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:32,356 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:32,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:32,358 INFO L550 ElimStorePlain]: Start of recursive call 697: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:32,416 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:32,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:32,418 INFO L550 ElimStorePlain]: Start of recursive call 698: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:32,476 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:32,476 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 175 treesize of output 66 [2021-07-13 20:05:32,477 INFO L550 ElimStorePlain]: Start of recursive call 699: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:32,535 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:32,536 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 155 treesize of output 64 [2021-07-13 20:05:32,537 INFO L550 ElimStorePlain]: Start of recursive call 700: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:32,596 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:32,596 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 170 treesize of output 65 [2021-07-13 20:05:32,597 INFO L550 ElimStorePlain]: Start of recursive call 701: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:32,656 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:32,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:32,657 INFO L550 ElimStorePlain]: Start of recursive call 702: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:32,706 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:32,706 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 170 treesize of output 57 [2021-07-13 20:05:32,707 INFO L550 ElimStorePlain]: Start of recursive call 703: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:32,767 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:32,767 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 170 treesize of output 65 [2021-07-13 20:05:32,769 INFO L550 ElimStorePlain]: Start of recursive call 704: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:32,821 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:32,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 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 [2021-07-13 20:05:32,823 INFO L550 ElimStorePlain]: Start of recursive call 705: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:32,885 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:32,886 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 170 treesize of output 65 [2021-07-13 20:05:32,887 INFO L550 ElimStorePlain]: Start of recursive call 706: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:32,949 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:32,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:32,951 INFO L550 ElimStorePlain]: Start of recursive call 707: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:33,013 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:33,014 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 160 treesize of output 65 [2021-07-13 20:05:33,015 INFO L550 ElimStorePlain]: Start of recursive call 708: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:33,078 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:33,079 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 170 treesize of output 65 [2021-07-13 20:05:33,080 INFO L550 ElimStorePlain]: Start of recursive call 709: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:33,152 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:33,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:33,154 INFO L550 ElimStorePlain]: Start of recursive call 710: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:33,216 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:33,216 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 155 treesize of output 64 [2021-07-13 20:05:33,217 INFO L550 ElimStorePlain]: Start of recursive call 711: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:33,280 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:33,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:33,282 INFO L550 ElimStorePlain]: Start of recursive call 712: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:33,334 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:33,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:05:33,336 INFO L550 ElimStorePlain]: Start of recursive call 713: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:33,392 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:33,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:05:33,394 INFO L550 ElimStorePlain]: Start of recursive call 714: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:33,462 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:33,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:33,465 INFO L550 ElimStorePlain]: Start of recursive call 715: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:33,537 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:33,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:05:33,539 INFO L550 ElimStorePlain]: Start of recursive call 716: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:33,602 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:33,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:33,604 INFO L550 ElimStorePlain]: Start of recursive call 717: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:33,669 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:33,669 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 155 treesize of output 64 [2021-07-13 20:05:33,670 INFO L550 ElimStorePlain]: Start of recursive call 718: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:33,735 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:33,736 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 180 treesize of output 67 [2021-07-13 20:05:33,737 INFO L550 ElimStorePlain]: Start of recursive call 719: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:33,802 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:33,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:33,804 INFO L550 ElimStorePlain]: Start of recursive call 720: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:33,868 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:33,868 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 155 treesize of output 62 [2021-07-13 20:05:33,870 INFO L550 ElimStorePlain]: Start of recursive call 721: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:33,923 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:33,923 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 185 treesize of output 60 [2021-07-13 20:05:33,925 INFO L550 ElimStorePlain]: Start of recursive call 722: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:33,979 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:33,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:05:33,981 INFO L550 ElimStorePlain]: Start of recursive call 723: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:34,045 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:34,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:34,047 INFO L550 ElimStorePlain]: Start of recursive call 724: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:34,101 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:34,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:05:34,102 INFO L550 ElimStorePlain]: Start of recursive call 725: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:34,167 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:34,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:34,169 INFO L550 ElimStorePlain]: Start of recursive call 726: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:34,234 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:34,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:34,236 INFO L550 ElimStorePlain]: Start of recursive call 727: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:34,302 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:34,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:34,304 INFO L550 ElimStorePlain]: Start of recursive call 728: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:34,358 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:34,359 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 155 treesize of output 54 [2021-07-13 20:05:34,360 INFO L550 ElimStorePlain]: Start of recursive call 729: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:34,426 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:34,427 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 160 treesize of output 63 [2021-07-13 20:05:34,429 INFO L550 ElimStorePlain]: Start of recursive call 730: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:34,484 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:34,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:05:34,485 INFO L550 ElimStorePlain]: Start of recursive call 731: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:34,540 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:34,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:05:34,542 INFO L550 ElimStorePlain]: Start of recursive call 732: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:34,608 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:34,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:34,610 INFO L550 ElimStorePlain]: Start of recursive call 733: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:34,677 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:34,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:34,679 INFO L550 ElimStorePlain]: Start of recursive call 734: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:34,745 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:34,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:34,747 INFO L550 ElimStorePlain]: Start of recursive call 735: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:34,813 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:34,814 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 165 treesize of output 64 [2021-07-13 20:05:34,815 INFO L550 ElimStorePlain]: Start of recursive call 736: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:34,871 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:34,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:05:34,872 INFO L550 ElimStorePlain]: Start of recursive call 737: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:34,939 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:34,939 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 62 [2021-07-13 20:05:34,940 INFO L550 ElimStorePlain]: Start of recursive call 738: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:35,007 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:35,007 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 170 treesize of output 65 [2021-07-13 20:05:35,010 INFO L550 ElimStorePlain]: Start of recursive call 739: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:35,075 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:35,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:35,078 INFO L550 ElimStorePlain]: Start of recursive call 740: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:35,145 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:35,145 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 155 treesize of output 62 [2021-07-13 20:05:35,147 INFO L550 ElimStorePlain]: Start of recursive call 741: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:35,215 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:35,215 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 160 treesize of output 63 [2021-07-13 20:05:35,216 INFO L550 ElimStorePlain]: Start of recursive call 742: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:35,285 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:35,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:35,287 INFO L550 ElimStorePlain]: Start of recursive call 743: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:35,354 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:35,355 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 160 treesize of output 63 [2021-07-13 20:05:35,357 INFO L550 ElimStorePlain]: Start of recursive call 744: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:35,425 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:35,425 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 165 treesize of output 66 [2021-07-13 20:05:35,427 INFO L550 ElimStorePlain]: Start of recursive call 745: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:35,496 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:35,496 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 175 treesize of output 66 [2021-07-13 20:05:35,498 INFO L550 ElimStorePlain]: Start of recursive call 746: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:35,567 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:35,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:35,568 INFO L550 ElimStorePlain]: Start of recursive call 747: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:35,637 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:35,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:35,640 INFO L550 ElimStorePlain]: Start of recursive call 748: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:35,709 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:35,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:35,712 INFO L550 ElimStorePlain]: Start of recursive call 749: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:35,782 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:35,782 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 170 treesize of output 65 [2021-07-13 20:05:35,784 INFO L550 ElimStorePlain]: Start of recursive call 750: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:35,854 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:35,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:35,855 INFO L550 ElimStorePlain]: Start of recursive call 751: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:35,925 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:35,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:35,926 INFO L550 ElimStorePlain]: Start of recursive call 752: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:35,996 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:35,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:35,997 INFO L550 ElimStorePlain]: Start of recursive call 753: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:36,068 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:36,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:36,070 INFO L550 ElimStorePlain]: Start of recursive call 754: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:36,139 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:36,140 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 160 treesize of output 63 [2021-07-13 20:05:36,141 INFO L550 ElimStorePlain]: Start of recursive call 755: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:36,201 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:36,201 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 173 treesize of output 60 [2021-07-13 20:05:36,203 INFO L550 ElimStorePlain]: Start of recursive call 756: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:36,261 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:36,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:05:36,263 INFO L550 ElimStorePlain]: Start of recursive call 757: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:36,333 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:36,333 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 [2021-07-13 20:05:36,334 INFO L550 ElimStorePlain]: Start of recursive call 758: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:36,393 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:36,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:05:36,395 INFO L550 ElimStorePlain]: Start of recursive call 759: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:36,465 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:36,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:36,467 INFO L550 ElimStorePlain]: Start of recursive call 760: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:36,548 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:36,548 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 165 treesize of output 66 [2021-07-13 20:05:36,550 INFO L550 ElimStorePlain]: Start of recursive call 761: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:36,608 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:36,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:05:36,610 INFO L550 ElimStorePlain]: Start of recursive call 762: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:36,679 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:36,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:36,681 INFO L550 ElimStorePlain]: Start of recursive call 763: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:36,750 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:36,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:36,752 INFO L550 ElimStorePlain]: Start of recursive call 764: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:36,821 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:36,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:36,823 INFO L550 ElimStorePlain]: Start of recursive call 765: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:36,907 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:36,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:36,909 INFO L550 ElimStorePlain]: Start of recursive call 766: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:36,979 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:36,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:36,980 INFO L550 ElimStorePlain]: Start of recursive call 767: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:37,040 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:37,040 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 178 treesize of output 61 [2021-07-13 20:05:37,042 INFO L550 ElimStorePlain]: Start of recursive call 768: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:37,101 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:37,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:05:37,103 INFO L550 ElimStorePlain]: Start of recursive call 769: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:37,163 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:37,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:05:37,164 INFO L550 ElimStorePlain]: Start of recursive call 770: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:37,234 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:37,234 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 165 treesize of output 66 [2021-07-13 20:05:37,236 INFO L550 ElimStorePlain]: Start of recursive call 771: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:37,301 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:37,302 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 180 treesize of output 59 [2021-07-13 20:05:37,303 INFO L550 ElimStorePlain]: Start of recursive call 772: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:37,374 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:37,375 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 160 treesize of output 63 [2021-07-13 20:05:37,377 INFO L550 ElimStorePlain]: Start of recursive call 773: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:37,437 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:37,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:05:37,439 INFO L550 ElimStorePlain]: Start of recursive call 774: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:37,500 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:37,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:05:37,502 INFO L550 ElimStorePlain]: Start of recursive call 775: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:37,573 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:37,573 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 160 treesize of output 63 [2021-07-13 20:05:37,575 INFO L550 ElimStorePlain]: Start of recursive call 776: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:37,646 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:37,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:37,648 INFO L550 ElimStorePlain]: Start of recursive call 777: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:37,720 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:37,720 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 180 treesize of output 67 [2021-07-13 20:05:37,721 INFO L550 ElimStorePlain]: Start of recursive call 778: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:37,782 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:37,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:05:37,784 INFO L550 ElimStorePlain]: Start of recursive call 779: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:37,846 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:37,847 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 180 treesize of output 59 [2021-07-13 20:05:37,848 INFO L550 ElimStorePlain]: Start of recursive call 780: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:37,910 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:37,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:05:37,913 INFO L550 ElimStorePlain]: Start of recursive call 781: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:37,986 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:37,986 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 155 treesize of output 62 [2021-07-13 20:05:37,988 INFO L550 ElimStorePlain]: Start of recursive call 782: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:38,060 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:38,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:38,062 INFO L550 ElimStorePlain]: Start of recursive call 783: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:38,133 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:38,133 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 170 treesize of output 67 [2021-07-13 20:05:38,135 INFO L550 ElimStorePlain]: Start of recursive call 784: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:38,207 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:38,208 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 170 treesize of output 65 [2021-07-13 20:05:38,209 INFO L550 ElimStorePlain]: Start of recursive call 785: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:38,281 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:38,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:38,284 INFO L550 ElimStorePlain]: Start of recursive call 786: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:38,367 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:38,367 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 165 treesize of output 64 [2021-07-13 20:05:38,369 INFO L550 ElimStorePlain]: Start of recursive call 787: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:38,433 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:38,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:05:38,435 INFO L550 ElimStorePlain]: Start of recursive call 788: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:38,496 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:38,497 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 183 treesize of output 62 [2021-07-13 20:05:38,498 INFO L550 ElimStorePlain]: Start of recursive call 789: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:38,572 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:38,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:38,574 INFO L550 ElimStorePlain]: Start of recursive call 790: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:38,647 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:38,647 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 170 treesize of output 65 [2021-07-13 20:05:38,648 INFO L550 ElimStorePlain]: Start of recursive call 791: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:38,720 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:38,720 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 175 treesize of output 66 [2021-07-13 20:05:38,722 INFO L550 ElimStorePlain]: Start of recursive call 792: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:38,783 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:38,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:05:38,786 INFO L550 ElimStorePlain]: Start of recursive call 793: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:38,857 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:38,857 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 165 treesize of output 64 [2021-07-13 20:05:38,859 INFO L550 ElimStorePlain]: Start of recursive call 794: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:38,930 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:38,931 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 155 treesize of output 62 [2021-07-13 20:05:38,932 INFO L550 ElimStorePlain]: Start of recursive call 795: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:38,994 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:38,994 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 160 treesize of output 55 [2021-07-13 20:05:38,996 INFO L550 ElimStorePlain]: Start of recursive call 796: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:39,071 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:39,071 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 170 treesize of output 65 [2021-07-13 20:05:39,073 INFO L550 ElimStorePlain]: Start of recursive call 797: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:39,147 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:39,147 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 [2021-07-13 20:05:39,149 INFO L550 ElimStorePlain]: Start of recursive call 798: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:39,223 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:39,223 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 [2021-07-13 20:05:39,224 INFO L550 ElimStorePlain]: Start of recursive call 799: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:39,286 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:39,287 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 160 treesize of output 55 [2021-07-13 20:05:39,288 INFO L550 ElimStorePlain]: Start of recursive call 800: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:39,361 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:39,361 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 155 treesize of output 62 [2021-07-13 20:05:39,363 INFO L550 ElimStorePlain]: Start of recursive call 801: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:39,436 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:39,436 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 165 treesize of output 64 [2021-07-13 20:05:39,437 INFO L550 ElimStorePlain]: Start of recursive call 802: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:39,500 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:39,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:05:39,502 INFO L550 ElimStorePlain]: Start of recursive call 803: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:39,573 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:39,573 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 [2021-07-13 20:05:39,575 INFO L550 ElimStorePlain]: Start of recursive call 804: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:39,647 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:39,647 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 [2021-07-13 20:05:39,648 INFO L550 ElimStorePlain]: Start of recursive call 805: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:39,721 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:39,722 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 165 treesize of output 66 [2021-07-13 20:05:39,723 INFO L550 ElimStorePlain]: Start of recursive call 806: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:39,795 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:39,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:39,797 INFO L550 ElimStorePlain]: Start of recursive call 807: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:39,869 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:39,869 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 160 treesize of output 65 [2021-07-13 20:05:39,871 INFO L550 ElimStorePlain]: Start of recursive call 808: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:39,942 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:39,942 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 160 treesize of output 63 [2021-07-13 20:05:39,944 INFO L550 ElimStorePlain]: Start of recursive call 809: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:40,015 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:40,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:40,017 INFO L550 ElimStorePlain]: Start of recursive call 810: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:40,090 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:40,090 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 [2021-07-13 20:05:40,092 INFO L550 ElimStorePlain]: Start of recursive call 811: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:40,165 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:40,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:40,168 INFO L550 ElimStorePlain]: Start of recursive call 812: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:40,243 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:40,244 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 170 treesize of output 65 [2021-07-13 20:05:40,246 INFO L550 ElimStorePlain]: Start of recursive call 813: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:40,319 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:40,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:40,320 INFO L550 ElimStorePlain]: Start of recursive call 814: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:40,392 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:40,392 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 150 treesize of output 63 [2021-07-13 20:05:40,394 INFO L550 ElimStorePlain]: Start of recursive call 815: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:40,456 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:40,456 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 168 treesize of output 57 [2021-07-13 20:05:40,458 INFO L550 ElimStorePlain]: Start of recursive call 816: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:40,529 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:40,529 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 170 treesize of output 67 [2021-07-13 20:05:40,530 INFO L550 ElimStorePlain]: Start of recursive call 817: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:40,601 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:40,601 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 165 treesize of output 66 [2021-07-13 20:05:40,603 INFO L550 ElimStorePlain]: Start of recursive call 818: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:40,675 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:40,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:40,676 INFO L550 ElimStorePlain]: Start of recursive call 819: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:40,747 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:40,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:40,749 INFO L550 ElimStorePlain]: Start of recursive call 820: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:40,820 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:40,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:40,822 INFO L550 ElimStorePlain]: Start of recursive call 821: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:40,882 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:40,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:05:40,884 INFO L550 ElimStorePlain]: Start of recursive call 822: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:40,955 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:40,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:40,957 INFO L550 ElimStorePlain]: Start of recursive call 823: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:41,028 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:41,028 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 [2021-07-13 20:05:41,030 INFO L550 ElimStorePlain]: Start of recursive call 824: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:41,090 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:41,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:05:41,091 INFO L550 ElimStorePlain]: Start of recursive call 825: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:41,163 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:41,163 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 165 treesize of output 66 [2021-07-13 20:05:41,164 INFO L550 ElimStorePlain]: Start of recursive call 826: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:41,224 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:41,224 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 178 treesize of output 59 [2021-07-13 20:05:41,226 INFO L550 ElimStorePlain]: Start of recursive call 827: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:41,296 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:41,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:41,298 INFO L550 ElimStorePlain]: Start of recursive call 828: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:41,368 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:41,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:41,369 INFO L550 ElimStorePlain]: Start of recursive call 829: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:41,439 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:41,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:41,441 INFO L550 ElimStorePlain]: Start of recursive call 830: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:41,511 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:41,511 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 [2021-07-13 20:05:41,513 INFO L550 ElimStorePlain]: Start of recursive call 831: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:41,574 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:41,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:05:41,576 INFO L550 ElimStorePlain]: Start of recursive call 832: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:41,646 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:41,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:41,648 INFO L550 ElimStorePlain]: Start of recursive call 833: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:41,708 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:41,709 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 180 treesize of output 59 [2021-07-13 20:05:41,710 INFO L550 ElimStorePlain]: Start of recursive call 834: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:41,780 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:41,780 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 170 treesize of output 65 [2021-07-13 20:05:41,782 INFO L550 ElimStorePlain]: Start of recursive call 835: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:41,852 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:41,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:41,854 INFO L550 ElimStorePlain]: Start of recursive call 836: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:41,924 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:41,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:41,926 INFO L550 ElimStorePlain]: Start of recursive call 837: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:41,995 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:41,995 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 145 treesize of output 60 [2021-07-13 20:05:41,997 INFO L550 ElimStorePlain]: Start of recursive call 838: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:42,056 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:42,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:05:42,058 INFO L550 ElimStorePlain]: Start of recursive call 839: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:42,118 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:42,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 185 treesize of output 60 [2021-07-13 20:05:42,120 INFO L550 ElimStorePlain]: Start of recursive call 840: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:42,190 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:42,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:42,192 INFO L550 ElimStorePlain]: Start of recursive call 841: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:42,263 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:42,263 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 170 treesize of output 67 [2021-07-13 20:05:42,265 INFO L550 ElimStorePlain]: Start of recursive call 842: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:42,334 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:42,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:42,336 INFO L550 ElimStorePlain]: Start of recursive call 843: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:42,405 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:42,405 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 160 treesize of output 63 [2021-07-13 20:05:42,406 INFO L550 ElimStorePlain]: Start of recursive call 844: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:42,474 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:42,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:42,476 INFO L550 ElimStorePlain]: Start of recursive call 845: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:42,533 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:42,534 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 183 treesize of output 60 [2021-07-13 20:05:42,535 INFO L550 ElimStorePlain]: Start of recursive call 846: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:42,603 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:42,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:42,605 INFO L550 ElimStorePlain]: Start of recursive call 847: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:42,664 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:42,664 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 170 treesize of output 57 [2021-07-13 20:05:42,665 INFO L550 ElimStorePlain]: Start of recursive call 848: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:42,734 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:42,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:42,736 INFO L550 ElimStorePlain]: Start of recursive call 849: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:42,794 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:42,794 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 173 treesize of output 58 [2021-07-13 20:05:42,796 INFO L550 ElimStorePlain]: Start of recursive call 850: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:42,853 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:42,853 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 175 treesize of output 58 [2021-07-13 20:05:42,855 INFO L550 ElimStorePlain]: Start of recursive call 851: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:42,922 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:42,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:42,924 INFO L550 ElimStorePlain]: Start of recursive call 852: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:42,992 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:42,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:42,994 INFO L550 ElimStorePlain]: Start of recursive call 853: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:43,063 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:43,063 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 165 treesize of output 64 [2021-07-13 20:05:43,065 INFO L550 ElimStorePlain]: Start of recursive call 854: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:43,132 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:43,132 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 170 treesize of output 67 [2021-07-13 20:05:43,134 INFO L550 ElimStorePlain]: Start of recursive call 855: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:43,201 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:43,201 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 155 treesize of output 62 [2021-07-13 20:05:43,203 INFO L550 ElimStorePlain]: Start of recursive call 856: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:43,261 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:43,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:05:43,263 INFO L550 ElimStorePlain]: Start of recursive call 857: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:43,331 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:43,331 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 175 treesize of output 66 [2021-07-13 20:05:43,333 INFO L550 ElimStorePlain]: Start of recursive call 858: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:43,399 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:43,400 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 180 treesize of output 67 [2021-07-13 20:05:43,401 INFO L550 ElimStorePlain]: Start of recursive call 859: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:43,465 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:43,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:43,467 INFO L550 ElimStorePlain]: Start of recursive call 860: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:43,531 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:43,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:43,533 INFO L550 ElimStorePlain]: Start of recursive call 861: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:43,587 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:43,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:05:43,588 INFO L550 ElimStorePlain]: Start of recursive call 862: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:43,655 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:43,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:43,658 INFO L550 ElimStorePlain]: Start of recursive call 863: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:43,722 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:43,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:43,724 INFO L550 ElimStorePlain]: Start of recursive call 864: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:43,788 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:43,788 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 150 treesize of output 63 [2021-07-13 20:05:43,789 INFO L550 ElimStorePlain]: Start of recursive call 865: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:43,842 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:43,842 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 190 treesize of output 61 [2021-07-13 20:05:43,843 INFO L550 ElimStorePlain]: Start of recursive call 866: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:43,896 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:43,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:05:43,898 INFO L550 ElimStorePlain]: Start of recursive call 867: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:43,952 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:43,952 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 155 treesize of output 54 [2021-07-13 20:05:43,953 INFO L550 ElimStorePlain]: Start of recursive call 868: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:44,017 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:44,017 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 160 treesize of output 63 [2021-07-13 20:05:44,018 INFO L550 ElimStorePlain]: Start of recursive call 869: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:44,080 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:44,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:44,082 INFO L550 ElimStorePlain]: Start of recursive call 870: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:44,143 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:44,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:44,144 INFO L550 ElimStorePlain]: Start of recursive call 871: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:44,196 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:44,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:05:44,197 INFO L550 ElimStorePlain]: Start of recursive call 872: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:44,248 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:44,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:05:44,250 INFO L550 ElimStorePlain]: Start of recursive call 873: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:44,301 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:44,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:05:44,302 INFO L550 ElimStorePlain]: Start of recursive call 874: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:44,352 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:44,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:05:44,354 INFO L550 ElimStorePlain]: Start of recursive call 875: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:44,415 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:44,415 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 170 treesize of output 65 [2021-07-13 20:05:44,417 INFO L550 ElimStorePlain]: Start of recursive call 876: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:44,477 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:44,478 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 170 treesize of output 65 [2021-07-13 20:05:44,479 INFO L550 ElimStorePlain]: Start of recursive call 877: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:44,529 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:44,530 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 160 treesize of output 55 [2021-07-13 20:05:44,531 INFO L550 ElimStorePlain]: Start of recursive call 878: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:44,591 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:44,592 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 [2021-07-13 20:05:44,593 INFO L550 ElimStorePlain]: Start of recursive call 879: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:44,651 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:44,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:44,652 INFO L550 ElimStorePlain]: Start of recursive call 880: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:44,709 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:44,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:44,712 INFO L550 ElimStorePlain]: Start of recursive call 881: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:44,759 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:44,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:05:44,760 INFO L550 ElimStorePlain]: Start of recursive call 882: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:44,816 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:44,817 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 155 treesize of output 64 [2021-07-13 20:05:44,819 INFO L550 ElimStorePlain]: Start of recursive call 883: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:44,873 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:44,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:44,875 INFO L550 ElimStorePlain]: Start of recursive call 884: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:44,916 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:44,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:05:44,918 INFO L550 ElimStorePlain]: Start of recursive call 885: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:44,970 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:44,970 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 175 treesize of output 68 [2021-07-13 20:05:44,972 INFO L550 ElimStorePlain]: Start of recursive call 886: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:45,020 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:45,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:05:45,022 INFO L550 ElimStorePlain]: Start of recursive call 887: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:45,064 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-13 20:05:45,065 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 165 treesize of output 64 [2021-07-13 20:05:45,066 INFO L550 ElimStorePlain]: Start of recursive call 888: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:45,072 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:05:45,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:05:45,074 INFO L550 ElimStorePlain]: Start of recursive call 889: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:45,089 INFO L628 ElimStorePlain]: treesize reduction 63, result has 4.5 percent of original size [2021-07-13 20:05:45,090 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:05:45,090 INFO L247 ElimStorePlain]: Needed 889 recursive calls to eliminate 2 variables, input treesize:146569, output treesize:3 [2021-07-13 20:05:45,098 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 97 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 20:05:45,098 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [668600298] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:05:45,098 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:05:45,098 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 16] total 23 [2021-07-13 20:05:45,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812527513] [2021-07-13 20:05:45,098 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-13 20:05:45,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:05:45,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-13 20:05:45,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2021-07-13 20:05:45,099 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) [2021-07-13 20:05:45,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:05:45,704 INFO L93 Difference]: Finished difference Result 57076 states and 146192 transitions. [2021-07-13 20:05:45,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 20:05:45,705 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 [2021-07-13 20:05:45,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:05:45,859 INFO L225 Difference]: With dead ends: 57076 [2021-07-13 20:05:45,859 INFO L226 Difference]: Without dead ends: 57046 [2021-07-13 20:05:45,860 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 4977.6ms TimeCoverageRelationStatistics Valid=65, Invalid=487, Unknown=0, NotChecked=0, Total=552 [2021-07-13 20:05:45,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57046 states. [2021-07-13 20:05:47,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57046 to 55615. [2021-07-13 20:05:47,274 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) [2021-07-13 20:05:47,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55615 states to 55615 states and 142626 transitions. [2021-07-13 20:05:47,437 INFO L78 Accepts]: Start accepts. Automaton has 55615 states and 142626 transitions. Word has length 42 [2021-07-13 20:05:47,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:05:47,437 INFO L482 AbstractCegarLoop]: Abstraction has 55615 states and 142626 transitions. [2021-07-13 20:05:47,438 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) [2021-07-13 20:05:47,438 INFO L276 IsEmpty]: Start isEmpty. Operand 55615 states and 142626 transitions. [2021-07-13 20:05:47,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-07-13 20:05:47,483 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:05:47,483 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 20:05:47,684 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 142 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6584 [2021-07-13 20:05:47,685 INFO L430 AbstractCegarLoop]: === Iteration 147 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:05:47,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:05:47,692 INFO L82 PathProgramCache]: Analyzing trace with hash -689351820, now seen corresponding path program 142 times [2021-07-13 20:05:47,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:05:47,692 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765955153] [2021-07-13 20:05:47,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:05:47,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:05:47,743 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-13 20:05:47,743 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:05:47,743 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765955153] [2021-07-13 20:05:47,743 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765955153] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:05:47,743 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1682262591] [2021-07-13 20:05:47,743 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 [2021-07-13 20:05:47,776 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 20:05:47,776 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:05:47,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 45 conjunts are in the unsatisfiable core [2021-07-13 20:05:47,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:05:48,028 INFO L354 Elim1Store]: treesize reduction 72, result has 60.2 percent of original size [2021-07-13 20:05:48,028 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 13 new quantified variables, introduced 21 case distinctions, treesize of input 177 treesize of output 163 [2021-07-13 20:05:48,032 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:05:48,086 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:05:48,087 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:05:48,087 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:177, output treesize:432 [2021-07-13 20:05:49,914 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2021-07-13 20:05:52,644 WARN L205 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 621 DAG size of output: 621 [2021-07-13 20:05:54,522 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 1196 [2021-07-13 20:05:55,894 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 1196 [2021-07-13 20:05:57,534 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 1196 [2021-07-13 20:06:16,504 WARN L205 SmtUtils]: Spent 12.29 s on a formula simplification. DAG size of input: 1196 DAG size of output: 58 [2021-07-13 20:06:17,690 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]} [2021-07-13 20:06:17,700 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-13 20:06:17,700 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 239 treesize of output 58 [2021-07-13 20:06:17,701 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:06:17,883 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 108 [2021-07-13 20:06:17,884 INFO L628 ElimStorePlain]: treesize reduction 921, result has 33.5 percent of original size [2021-07-13 20:06:17,955 INFO L354 Elim1Store]: treesize reduction 126, result has 25.4 percent of original size [2021-07-13 20:06:17,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-13 20:06:17,957 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:06:18,008 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:06:18,118 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 50 [2021-07-13 20:06:18,118 INFO L354 Elim1Store]: treesize reduction 84, result has 50.3 percent of original size [2021-07-13 20:06:18,118 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 109 treesize of output 130 [2021-07-13 20:06:18,122 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:06:18,163 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:06:18,195 INFO L354 Elim1Store]: treesize reduction 106, result has 12.4 percent of original size [2021-07-13 20:06:18,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:06:18,197 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 20:06:18,233 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:06:18,287 INFO L354 Elim1Store]: treesize reduction 139, result has 17.8 percent of original size [2021-07-13 20:06:18,287 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 50 treesize of output 58 [2021-07-13 20:06:18,289 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 20:06:18,323 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:06:18,403 INFO L354 Elim1Store]: treesize reduction 113, result has 33.1 percent of original size [2021-07-13 20:06:18,403 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 80 treesize of output 88 [2021-07-13 20:06:18,405 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 20:06:18,449 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:06:18,477 INFO L354 Elim1Store]: treesize reduction 111, result has 8.3 percent of original size [2021-07-13 20:06:18,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-13 20:06:18,478 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-13 20:06:18,500 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:06:18,504 INFO L550 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 7 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:06:18,504 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 14 variables, input treesize:1618, output treesize:3 [2021-07-13 20:06:18,514 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 97 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 20:06:18,515 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1682262591] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:06:18,515 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:06:18,515 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 16] total 23 [2021-07-13 20:06:18,515 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145858602] [2021-07-13 20:06:18,515 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-13 20:06:18,515 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:06:18,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-13 20:06:18,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=450, Unknown=1, NotChecked=0, Total=506 [2021-07-13 20:06:18,516 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) [2021-07-13 20:06:19,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:06:19,931 INFO L93 Difference]: Finished difference Result 58151 states and 148884 transitions. [2021-07-13 20:06:19,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-13 20:06:19,932 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 [2021-07-13 20:06:19,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:06:20,095 INFO L225 Difference]: With dead ends: 58151 [2021-07-13 20:06:20,095 INFO L226 Difference]: Without dead ends: 58110 [2021-07-13 20:06:20,095 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 36 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 19919.9ms TimeCoverageRelationStatistics Valid=55, Invalid=450, Unknown=1, NotChecked=0, Total=506 [2021-07-13 20:06:20,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58110 states. [2021-07-13 20:06:21,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58110 to 56750. [2021-07-13 20:06:21,610 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) [2021-07-13 20:06:21,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56750 states to 56750 states and 145847 transitions. [2021-07-13 20:06:21,773 INFO L78 Accepts]: Start accepts. Automaton has 56750 states and 145847 transitions. Word has length 42 [2021-07-13 20:06:21,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:06:21,773 INFO L482 AbstractCegarLoop]: Abstraction has 56750 states and 145847 transitions. [2021-07-13 20:06:21,773 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) [2021-07-13 20:06:21,773 INFO L276 IsEmpty]: Start isEmpty. Operand 56750 states and 145847 transitions. [2021-07-13 20:06:21,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-07-13 20:06:21,816 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:06:21,816 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 20:06:22,016 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 143 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13668 [2021-07-13 20:06:22,016 INFO L430 AbstractCegarLoop]: === Iteration 148 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:06:22,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:06:22,018 INFO L82 PathProgramCache]: Analyzing trace with hash -1940096396, now seen corresponding path program 143 times [2021-07-13 20:06:22,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:06:22,018 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856575041] [2021-07-13 20:06:22,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:06:22,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:06:22,070 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-13 20:06:22,071 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:06:22,071 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856575041] [2021-07-13 20:06:22,071 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856575041] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:06:22,071 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [690250050] [2021-07-13 20:06:22,071 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 [2021-07-13 20:06:22,108 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-07-13 20:06:22,108 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:06:22,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 47 conjunts are in the unsatisfiable core [2021-07-13 20:06:22,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:06:22,477 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 65 [2021-07-13 20:06:22,478 INFO L354 Elim1Store]: treesize reduction 128, result has 43.1 percent of original size [2021-07-13 20:06:22,478 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 [2021-07-13 20:06:23,839 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2021-07-13 20:06:26,197 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:06:26,253 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:06:27,924 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:06:27,924 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:206, output treesize:433 [2021-07-13 20:06:31,278 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2021-07-13 20:06:33,556 WARN L205 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 621 DAG size of output: 621 [2021-07-13 20:06:35,301 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 1196 [2021-07-13 20:06:36,471 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 1196 [2021-07-13 20:06:38,088 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 1196 [2021-07-13 20:07:00,746 WARN L205 SmtUtils]: Spent 12.80 s on a formula simplification. DAG size of input: 1196 DAG size of output: 58 [2021-07-13 20:07:01,407 INFO L354 Elim1Store]: treesize reduction 108, result has 36.1 percent of original size [2021-07-13 20:07:01,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 219 treesize of output 133 [2021-07-13 20:07:01,411 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:07:01,427 INFO L628 ElimStorePlain]: treesize reduction 1371, result has 0.2 percent of original size [2021-07-13 20:07:01,427 INFO L518 ElimStorePlain]: Eliminatee v_prenex_172 vanished before elimination [2021-07-13 20:07:01,427 INFO L518 ElimStorePlain]: Eliminatee v_prenex_173 vanished before elimination [2021-07-13 20:07:01,427 INFO L518 ElimStorePlain]: Eliminatee v_prenex_174 vanished before elimination [2021-07-13 20:07:01,427 INFO L518 ElimStorePlain]: Eliminatee f vanished before elimination [2021-07-13 20:07:01,427 INFO L518 ElimStorePlain]: Eliminatee v_prenex_175 vanished before elimination [2021-07-13 20:07:01,427 INFO L518 ElimStorePlain]: Eliminatee v_prenex_176 vanished before elimination [2021-07-13 20:07:01,428 INFO L550 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 7 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:07:01,428 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 14 variables, input treesize:1590, output treesize:3 [2021-07-13 20:07:01,436 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-13 20:07:01,437 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [690250050] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:07:01,437 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:07:01,437 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 17] total 24 [2021-07-13 20:07:01,437 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573850443] [2021-07-13 20:07:01,437 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-13 20:07:01,437 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:07:01,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-13 20:07:01,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=488, Unknown=1, NotChecked=0, Total=552 [2021-07-13 20:07:01,437 INFO L87 Difference]: Start difference. First operand 56750 states and 145847 transitions. Second operand has 24 states, 24 states have (on average 2.8333333333333335) internal successors, (68), 24 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) [2021-07-13 20:07:02,019 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 235 [2021-07-13 20:07:02,253 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 232 [2021-07-13 20:07:02,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:07:02,676 INFO L93 Difference]: Finished difference Result 58133 states and 149157 transitions. [2021-07-13 20:07:02,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 20:07:02,676 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.8333333333333335) internal successors, (68), 24 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 [2021-07-13 20:07:02,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:07:02,827 INFO L225 Difference]: With dead ends: 58133 [2021-07-13 20:07:02,828 INFO L226 Difference]: Without dead ends: 58126 [2021-07-13 20:07:02,828 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 23682.0ms TimeCoverageRelationStatistics Valid=79, Invalid=622, Unknown=1, NotChecked=0, Total=702 [2021-07-13 20:07:02,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58126 states. [2021-07-13 20:07:03,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58126 to 57370. [2021-07-13 20:07:03,876 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) [2021-07-13 20:07:04,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57370 states to 57370 states and 147596 transitions. [2021-07-13 20:07:04,027 INFO L78 Accepts]: Start accepts. Automaton has 57370 states and 147596 transitions. Word has length 42 [2021-07-13 20:07:04,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:07:04,028 INFO L482 AbstractCegarLoop]: Abstraction has 57370 states and 147596 transitions. [2021-07-13 20:07:04,028 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.8333333333333335) internal successors, (68), 24 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) [2021-07-13 20:07:04,028 INFO L276 IsEmpty]: Start isEmpty. Operand 57370 states and 147596 transitions. [2021-07-13 20:07:04,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-07-13 20:07:04,073 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:07:04,073 INFO L508 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 20:07:04,274 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 144 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14249 [2021-07-13 20:07:04,275 INFO L430 AbstractCegarLoop]: === Iteration 149 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:07:04,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:07:04,275 INFO L82 PathProgramCache]: Analyzing trace with hash -2129488650, now seen corresponding path program 144 times [2021-07-13 20:07:04,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:07:04,275 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474765194] [2021-07-13 20:07:04,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:07:04,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:07:04,462 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 49 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:07:04,462 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:07:04,462 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474765194] [2021-07-13 20:07:04,462 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474765194] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:07:04,462 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [521631590] [2021-07-13 20:07:04,462 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 [2021-07-13 20:07:04,495 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-07-13 20:07:04,495 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:07:04,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-13 20:07:04,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:07:04,881 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 49 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:07:04,881 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [521631590] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:07:04,881 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:07:04,881 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 37 [2021-07-13 20:07:04,881 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681535615] [2021-07-13 20:07:04,881 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-07-13 20:07:04,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:07:04,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-07-13 20:07:04,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=263, Invalid=1143, Unknown=0, NotChecked=0, Total=1406 [2021-07-13 20:07:04,882 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) [2021-07-13 20:07:08,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:07:08,485 INFO L93 Difference]: Finished difference Result 61578 states and 156735 transitions. [2021-07-13 20:07:08,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2021-07-13 20:07:08,486 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 [2021-07-13 20:07:08,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:07:08,641 INFO L225 Difference]: With dead ends: 61578 [2021-07-13 20:07:08,641 INFO L226 Difference]: Without dead ends: 61578 [2021-07-13 20:07:08,643 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5718 ImplicationChecksByTransitivity, 2642.1ms TimeCoverageRelationStatistics Valid=4657, Invalid=13165, Unknown=0, NotChecked=0, Total=17822 [2021-07-13 20:07:08,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61578 states. [2021-07-13 20:07:09,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61578 to 54115. [2021-07-13 20:07:09,771 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) [2021-07-13 20:07:09,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54115 states to 54115 states and 138911 transitions. [2021-07-13 20:07:09,912 INFO L78 Accepts]: Start accepts. Automaton has 54115 states and 138911 transitions. Word has length 44 [2021-07-13 20:07:09,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:07:09,912 INFO L482 AbstractCegarLoop]: Abstraction has 54115 states and 138911 transitions. [2021-07-13 20:07:09,912 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) [2021-07-13 20:07:09,912 INFO L276 IsEmpty]: Start isEmpty. Operand 54115 states and 138911 transitions. [2021-07-13 20:07:09,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-07-13 20:07:09,957 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:07:09,957 INFO L508 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 20:07:10,157 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17128,145 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 20:07:10,158 INFO L430 AbstractCegarLoop]: === Iteration 150 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:07:10,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:07:10,158 INFO L82 PathProgramCache]: Analyzing trace with hash 768782642, now seen corresponding path program 145 times [2021-07-13 20:07:10,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:07:10,158 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453114129] [2021-07-13 20:07:10,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:07:10,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:07:10,321 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 64 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:07:10,321 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:07:10,321 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453114129] [2021-07-13 20:07:10,321 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453114129] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:07:10,321 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1231838855] [2021-07-13 20:07:10,321 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 [2021-07-13 20:07:10,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:07:10,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-13 20:07:10,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:07:10,757 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 64 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:07:10,758 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1231838855] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:07:10,758 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:07:10,758 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 36 [2021-07-13 20:07:10,758 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583808818] [2021-07-13 20:07:10,758 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-13 20:07:10,758 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:07:10,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-13 20:07:10,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=225, Invalid=1107, Unknown=0, NotChecked=0, Total=1332 [2021-07-13 20:07:10,758 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) [2021-07-13 20:07:11,604 WARN L205 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 11 [2021-07-13 20:07:13,173 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 13 [2021-07-13 20:07:16,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:07:16,553 INFO L93 Difference]: Finished difference Result 71421 states and 180739 transitions. [2021-07-13 20:07:16,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2021-07-13 20:07:16,553 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 [2021-07-13 20:07:16,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:07:16,739 INFO L225 Difference]: With dead ends: 71421 [2021-07-13 20:07:16,739 INFO L226 Difference]: Without dead ends: 71182 [2021-07-13 20:07:16,741 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 186 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12672 ImplicationChecksByTransitivity, 5275.0ms TimeCoverageRelationStatistics Valid=7124, Invalid=28032, Unknown=0, NotChecked=0, Total=35156 [2021-07-13 20:07:16,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71182 states. [2021-07-13 20:07:18,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71182 to 55547. [2021-07-13 20:07:18,295 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) [2021-07-13 20:07:18,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55547 states to 55547 states and 142594 transitions. [2021-07-13 20:07:18,449 INFO L78 Accepts]: Start accepts. Automaton has 55547 states and 142594 transitions. Word has length 44 [2021-07-13 20:07:18,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:07:18,449 INFO L482 AbstractCegarLoop]: Abstraction has 55547 states and 142594 transitions. [2021-07-13 20:07:18,449 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) [2021-07-13 20:07:18,449 INFO L276 IsEmpty]: Start isEmpty. Operand 55547 states and 142594 transitions. [2021-07-13 20:07:18,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-07-13 20:07:18,501 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:07:18,501 INFO L508 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 20:07:18,704 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17129,146 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 20:07:18,705 INFO L430 AbstractCegarLoop]: === Iteration 151 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:07:18,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:07:18,705 INFO L82 PathProgramCache]: Analyzing trace with hash -1205657702, now seen corresponding path program 146 times [2021-07-13 20:07:18,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:07:18,705 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138245750] [2021-07-13 20:07:18,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:07:18,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:07:18,805 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 64 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:07:18,805 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:07:18,805 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138245750] [2021-07-13 20:07:18,805 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138245750] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:07:18,805 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1231990778] [2021-07-13 20:07:18,805 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 [2021-07-13 20:07:18,834 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 20:07:18,834 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:07:18,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-13 20:07:18,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:07:19,473 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 64 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:07:19,474 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1231990778] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:07:19,474 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:07:19,474 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 19] total 29 [2021-07-13 20:07:19,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435756886] [2021-07-13 20:07:19,474 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-13 20:07:19,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:07:19,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-13 20:07:19,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=722, Unknown=0, NotChecked=0, Total=870 [2021-07-13 20:07:19,475 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) [2021-07-13 20:07:23,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:07:23,897 INFO L93 Difference]: Finished difference Result 94822 states and 241988 transitions. [2021-07-13 20:07:23,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2021-07-13 20:07:23,898 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 [2021-07-13 20:07:23,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:07:24,145 INFO L225 Difference]: With dead ends: 94822 [2021-07-13 20:07:24,146 INFO L226 Difference]: Without dead ends: 94798 [2021-07-13 20:07:24,147 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 165 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11051 ImplicationChecksByTransitivity, 3573.4ms TimeCoverageRelationStatistics Valid=7112, Invalid=20610, Unknown=0, NotChecked=0, Total=27722 [2021-07-13 20:07:24,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94798 states. [2021-07-13 20:07:25,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94798 to 72019. [2021-07-13 20:07:26,071 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) [2021-07-13 20:07:26,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72019 states to 72019 states and 184885 transitions. [2021-07-13 20:07:26,283 INFO L78 Accepts]: Start accepts. Automaton has 72019 states and 184885 transitions. Word has length 44 [2021-07-13 20:07:26,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:07:26,283 INFO L482 AbstractCegarLoop]: Abstraction has 72019 states and 184885 transitions. [2021-07-13 20:07:26,283 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) [2021-07-13 20:07:26,283 INFO L276 IsEmpty]: Start isEmpty. Operand 72019 states and 184885 transitions. [2021-07-13 20:07:26,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-07-13 20:07:26,326 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:07:26,327 INFO L508 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 20:07:26,527 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 147 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17130 [2021-07-13 20:07:26,527 INFO L430 AbstractCegarLoop]: === Iteration 152 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:07:26,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:07:26,527 INFO L82 PathProgramCache]: Analyzing trace with hash 1705411512, now seen corresponding path program 147 times [2021-07-13 20:07:26,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:07:26,528 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675740617] [2021-07-13 20:07:26,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:07:26,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:07:26,626 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 57 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:07:26,626 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:07:26,626 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675740617] [2021-07-13 20:07:26,626 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675740617] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:07:26,626 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1877121820] [2021-07-13 20:07:26,626 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 [2021-07-13 20:07:26,659 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-07-13 20:07:26,659 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:07:26,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-13 20:07:26,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:07:26,980 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2021-07-13 20:07:27,255 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 57 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:07:27,255 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1877121820] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:07:27,255 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:07:27,255 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 19] total 29 [2021-07-13 20:07:27,255 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080488451] [2021-07-13 20:07:27,255 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-13 20:07:27,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:07:27,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-13 20:07:27,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=679, Unknown=0, NotChecked=0, Total=870 [2021-07-13 20:07:27,256 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) [2021-07-13 20:07:30,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:07:30,274 INFO L93 Difference]: Finished difference Result 73486 states and 187932 transitions. [2021-07-13 20:07:30,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-07-13 20:07:30,275 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 [2021-07-13 20:07:30,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:07:30,467 INFO L225 Difference]: With dead ends: 73486 [2021-07-13 20:07:30,467 INFO L226 Difference]: Without dead ends: 73482 [2021-07-13 20:07:30,470 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5767 ImplicationChecksByTransitivity, 2811.0ms TimeCoverageRelationStatistics Valid=3791, Invalid=12211, Unknown=0, NotChecked=0, Total=16002 [2021-07-13 20:07:30,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73482 states. [2021-07-13 20:07:31,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73482 to 72019. [2021-07-13 20:07:31,959 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) [2021-07-13 20:07:32,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72019 states to 72019 states and 184853 transitions. [2021-07-13 20:07:32,383 INFO L78 Accepts]: Start accepts. Automaton has 72019 states and 184853 transitions. Word has length 44 [2021-07-13 20:07:32,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:07:32,383 INFO L482 AbstractCegarLoop]: Abstraction has 72019 states and 184853 transitions. [2021-07-13 20:07:32,383 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) [2021-07-13 20:07:32,383 INFO L276 IsEmpty]: Start isEmpty. Operand 72019 states and 184853 transitions. [2021-07-13 20:07:32,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-07-13 20:07:32,439 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:07:32,439 INFO L508 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 20:07:32,640 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17131,148 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 20:07:32,640 INFO L430 AbstractCegarLoop]: === Iteration 153 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:07:32,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:07:32,640 INFO L82 PathProgramCache]: Analyzing trace with hash 823415346, now seen corresponding path program 148 times [2021-07-13 20:07:32,640 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:07:32,640 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326277503] [2021-07-13 20:07:32,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:07:32,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:07:32,728 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 69 proven. 43 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 20:07:32,728 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:07:32,728 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326277503] [2021-07-13 20:07:32,729 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326277503] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:07:32,729 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [724063367] [2021-07-13 20:07:32,729 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 [2021-07-13 20:07:32,758 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 20:07:32,758 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:07:32,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-13 20:07:32,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:07:33,111 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 57 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:07:33,112 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [724063367] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:07:33,112 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:07:33,112 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 19] total 29 [2021-07-13 20:07:33,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850829380] [2021-07-13 20:07:33,112 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-13 20:07:33,112 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:07:33,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-13 20:07:33,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=724, Unknown=0, NotChecked=0, Total=870 [2021-07-13 20:07:33,112 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) [2021-07-13 20:07:35,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:07:35,716 INFO L93 Difference]: Finished difference Result 89850 states and 230059 transitions. [2021-07-13 20:07:35,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-07-13 20:07:35,717 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 [2021-07-13 20:07:35,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:07:36,128 INFO L225 Difference]: With dead ends: 89850 [2021-07-13 20:07:36,129 INFO L226 Difference]: Without dead ends: 89823 [2021-07-13 20:07:36,129 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3652 ImplicationChecksByTransitivity, 2016.9ms TimeCoverageRelationStatistics Valid=2745, Invalid=8385, Unknown=0, NotChecked=0, Total=11130 [2021-07-13 20:07:36,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89823 states. [2021-07-13 20:07:37,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89823 to 71875. [2021-07-13 20:07:37,620 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) [2021-07-13 20:07:37,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71875 states to 71875 states and 185004 transitions. [2021-07-13 20:07:37,820 INFO L78 Accepts]: Start accepts. Automaton has 71875 states and 185004 transitions. Word has length 44 [2021-07-13 20:07:37,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:07:37,821 INFO L482 AbstractCegarLoop]: Abstraction has 71875 states and 185004 transitions. [2021-07-13 20:07:37,821 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) [2021-07-13 20:07:37,821 INFO L276 IsEmpty]: Start isEmpty. Operand 71875 states and 185004 transitions. [2021-07-13 20:07:38,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-07-13 20:07:38,176 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:07:38,176 INFO L508 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 20:07:38,376 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 149 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17132 [2021-07-13 20:07:38,376 INFO L430 AbstractCegarLoop]: === Iteration 154 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:07:38,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:07:38,377 INFO L82 PathProgramCache]: Analyzing trace with hash 1963210434, now seen corresponding path program 149 times [2021-07-13 20:07:38,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:07:38,377 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344333932] [2021-07-13 20:07:38,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:07:38,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:07:38,482 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 51 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:07:38,482 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:07:38,482 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344333932] [2021-07-13 20:07:38,482 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344333932] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:07:38,482 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1513998619] [2021-07-13 20:07:38,482 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 [2021-07-13 20:07:38,517 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2021-07-13 20:07:38,517 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:07:38,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-13 20:07:38,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:07:38,907 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 51 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:07:38,907 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1513998619] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:07:38,907 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:07:38,907 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 19] total 30 [2021-07-13 20:07:38,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025284178] [2021-07-13 20:07:38,907 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-13 20:07:38,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:07:38,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-13 20:07:38,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=744, Unknown=0, NotChecked=0, Total=930 [2021-07-13 20:07:38,908 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) [2021-07-13 20:07:42,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:07:42,369 INFO L93 Difference]: Finished difference Result 76106 states and 194599 transitions. [2021-07-13 20:07:42,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2021-07-13 20:07:42,370 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 [2021-07-13 20:07:42,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:07:42,568 INFO L225 Difference]: With dead ends: 76106 [2021-07-13 20:07:42,569 INFO L226 Difference]: Without dead ends: 76084 [2021-07-13 20:07:42,569 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5971 ImplicationChecksByTransitivity, 2674.6ms TimeCoverageRelationStatistics Valid=3872, Invalid=12640, Unknown=0, NotChecked=0, Total=16512 [2021-07-13 20:07:42,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76084 states. [2021-07-13 20:07:44,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76084 to 73137. [2021-07-13 20:07:44,218 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) [2021-07-13 20:07:44,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73137 states to 73137 states and 188357 transitions. [2021-07-13 20:07:44,418 INFO L78 Accepts]: Start accepts. Automaton has 73137 states and 188357 transitions. Word has length 44 [2021-07-13 20:07:44,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:07:44,418 INFO L482 AbstractCegarLoop]: Abstraction has 73137 states and 188357 transitions. [2021-07-13 20:07:44,418 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) [2021-07-13 20:07:44,418 INFO L276 IsEmpty]: Start isEmpty. Operand 73137 states and 188357 transitions. [2021-07-13 20:07:44,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-07-13 20:07:44,472 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:07:44,473 INFO L508 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 20:07:44,673 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 150 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17133 [2021-07-13 20:07:44,673 INFO L430 AbstractCegarLoop]: === Iteration 155 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:07:44,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:07:44,673 INFO L82 PathProgramCache]: Analyzing trace with hash -637321666, now seen corresponding path program 150 times [2021-07-13 20:07:44,673 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:07:44,673 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948003996] [2021-07-13 20:07:44,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:07:44,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:07:44,775 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 42 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:07:44,775 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:07:44,775 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948003996] [2021-07-13 20:07:44,775 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948003996] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:07:44,775 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1483135014] [2021-07-13 20:07:44,775 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 [2021-07-13 20:07:44,810 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2021-07-13 20:07:44,810 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:07:44,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-13 20:07:44,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:07:45,183 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2021-07-13 20:07:45,442 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 42 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:07:45,442 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1483135014] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:07:45,442 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:07:45,442 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 19] total 31 [2021-07-13 20:07:45,442 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296671527] [2021-07-13 20:07:45,443 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-07-13 20:07:45,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:07:45,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-07-13 20:07:45,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=807, Unknown=0, NotChecked=0, Total=992 [2021-07-13 20:07:45,443 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) [2021-07-13 20:07:46,651 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 13 [2021-07-13 20:07:48,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:07:48,655 INFO L93 Difference]: Finished difference Result 78532 states and 200306 transitions. [2021-07-13 20:07:48,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-07-13 20:07:48,656 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 [2021-07-13 20:07:48,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:07:48,922 INFO L225 Difference]: With dead ends: 78532 [2021-07-13 20:07:48,922 INFO L226 Difference]: Without dead ends: 78486 [2021-07-13 20:07:48,924 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6281 ImplicationChecksByTransitivity, 2818.6ms TimeCoverageRelationStatistics Valid=3964, Invalid=13066, Unknown=0, NotChecked=0, Total=17030 [2021-07-13 20:07:49,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78486 states. [2021-07-13 20:07:50,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78486 to 73094. [2021-07-13 20:07:50,686 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) [2021-07-13 20:07:50,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73094 states to 73094 states and 188563 transitions. [2021-07-13 20:07:50,904 INFO L78 Accepts]: Start accepts. Automaton has 73094 states and 188563 transitions. Word has length 44 [2021-07-13 20:07:50,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:07:50,904 INFO L482 AbstractCegarLoop]: Abstraction has 73094 states and 188563 transitions. [2021-07-13 20:07:50,904 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) [2021-07-13 20:07:50,904 INFO L276 IsEmpty]: Start isEmpty. Operand 73094 states and 188563 transitions. [2021-07-13 20:07:50,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-07-13 20:07:50,957 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:07:50,957 INFO L508 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 20:07:51,157 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 151 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17134 [2021-07-13 20:07:51,158 INFO L430 AbstractCegarLoop]: === Iteration 156 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:07:51,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:07:51,158 INFO L82 PathProgramCache]: Analyzing trace with hash -77703494, now seen corresponding path program 151 times [2021-07-13 20:07:51,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:07:51,158 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320368407] [2021-07-13 20:07:51,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:07:51,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:07:51,537 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 37 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:07:51,537 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:07:51,537 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320368407] [2021-07-13 20:07:51,537 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320368407] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:07:51,537 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1854497912] [2021-07-13 20:07:51,537 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 [2021-07-13 20:07:51,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:07:51,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-13 20:07:51,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:07:51,948 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 37 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:07:51,948 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1854497912] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:07:51,949 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:07:51,949 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 19] total 32 [2021-07-13 20:07:51,949 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765621916] [2021-07-13 20:07:51,949 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-13 20:07:51,949 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:07:51,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-13 20:07:51,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=868, Unknown=0, NotChecked=0, Total=1056 [2021-07-13 20:07:51,949 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) [2021-07-13 20:07:53,030 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 14 [2021-07-13 20:07:55,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:07:55,149 INFO L93 Difference]: Finished difference Result 79388 states and 202095 transitions. [2021-07-13 20:07:55,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-07-13 20:07:55,150 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 [2021-07-13 20:07:55,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:07:55,357 INFO L225 Difference]: With dead ends: 79388 [2021-07-13 20:07:55,357 INFO L226 Difference]: Without dead ends: 79324 [2021-07-13 20:07:55,358 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6570 ImplicationChecksByTransitivity, 2796.5ms TimeCoverageRelationStatistics Valid=4066, Invalid=13490, Unknown=0, NotChecked=0, Total=17556 [2021-07-13 20:07:55,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79324 states. [2021-07-13 20:07:57,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79324 to 70876. [2021-07-13 20:07:57,081 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) [2021-07-13 20:07:57,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70876 states to 70876 states and 183285 transitions. [2021-07-13 20:07:57,273 INFO L78 Accepts]: Start accepts. Automaton has 70876 states and 183285 transitions. Word has length 44 [2021-07-13 20:07:57,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:07:57,273 INFO L482 AbstractCegarLoop]: Abstraction has 70876 states and 183285 transitions. [2021-07-13 20:07:57,274 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) [2021-07-13 20:07:57,274 INFO L276 IsEmpty]: Start isEmpty. Operand 70876 states and 183285 transitions. [2021-07-13 20:07:57,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-07-13 20:07:57,324 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:07:57,324 INFO L508 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 20:07:57,525 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 152 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17135 [2021-07-13 20:07:57,525 INFO L430 AbstractCegarLoop]: === Iteration 157 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:07:57,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:07:57,525 INFO L82 PathProgramCache]: Analyzing trace with hash 844447798, now seen corresponding path program 152 times [2021-07-13 20:07:57,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:07:57,525 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073155387] [2021-07-13 20:07:57,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:07:57,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:07:57,647 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 36 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:07:57,648 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:07:57,648 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073155387] [2021-07-13 20:07:57,648 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073155387] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:07:57,648 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1898856577] [2021-07-13 20:07:57,648 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 [2021-07-13 20:07:57,678 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 20:07:57,679 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:07:57,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-13 20:07:57,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:07:57,983 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2021-07-13 20:07:58,340 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 36 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:07:58,340 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1898856577] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:07:58,340 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:07:58,340 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 19] total 33 [2021-07-13 20:07:58,340 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739452078] [2021-07-13 20:07:58,340 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-13 20:07:58,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:07:58,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-13 20:07:58,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=927, Unknown=0, NotChecked=0, Total=1122 [2021-07-13 20:07:58,341 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) [2021-07-13 20:07:59,550 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2021-07-13 20:08:01,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:08:01,440 INFO L93 Difference]: Finished difference Result 78292 states and 198968 transitions. [2021-07-13 20:08:01,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-07-13 20:08:01,441 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 [2021-07-13 20:08:01,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:08:01,657 INFO L225 Difference]: With dead ends: 78292 [2021-07-13 20:08:01,657 INFO L226 Difference]: Without dead ends: 78222 [2021-07-13 20:08:01,658 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6842 ImplicationChecksByTransitivity, 2575.5ms TimeCoverageRelationStatistics Valid=4177, Invalid=13913, Unknown=0, NotChecked=0, Total=18090 [2021-07-13 20:08:01,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78222 states. [2021-07-13 20:08:03,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78222 to 66237. [2021-07-13 20:08:03,332 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) [2021-07-13 20:08:03,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66237 states to 66237 states and 171709 transitions. [2021-07-13 20:08:03,513 INFO L78 Accepts]: Start accepts. Automaton has 66237 states and 171709 transitions. Word has length 44 [2021-07-13 20:08:03,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:08:03,513 INFO L482 AbstractCegarLoop]: Abstraction has 66237 states and 171709 transitions. [2021-07-13 20:08:03,513 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) [2021-07-13 20:08:03,513 INFO L276 IsEmpty]: Start isEmpty. Operand 66237 states and 171709 transitions. [2021-07-13 20:08:03,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-07-13 20:08:03,555 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:08:03,555 INFO L508 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 20:08:03,755 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 153 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17136 [2021-07-13 20:08:03,755 INFO L430 AbstractCegarLoop]: === Iteration 158 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:08:03,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:08:03,756 INFO L82 PathProgramCache]: Analyzing trace with hash -2026390862, now seen corresponding path program 153 times [2021-07-13 20:08:03,756 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:08:03,756 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438430032] [2021-07-13 20:08:03,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:08:03,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:08:03,895 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 39 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:08:03,895 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:08:03,896 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438430032] [2021-07-13 20:08:03,896 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438430032] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:08:03,896 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [808576813] [2021-07-13 20:08:03,896 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 [2021-07-13 20:08:03,931 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2021-07-13 20:08:03,931 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:08:03,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-13 20:08:03,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:08:04,579 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 39 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:08:04,579 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [808576813] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:08:04,579 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:08:04,580 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 19] total 34 [2021-07-13 20:08:04,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637953419] [2021-07-13 20:08:04,580 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-13 20:08:04,580 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:08:04,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-13 20:08:04,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=206, Invalid=984, Unknown=0, NotChecked=0, Total=1190 [2021-07-13 20:08:04,580 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) [2021-07-13 20:08:07,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:08:07,631 INFO L93 Difference]: Finished difference Result 75317 states and 190900 transitions. [2021-07-13 20:08:07,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-13 20:08:07,631 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 [2021-07-13 20:08:07,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:08:07,829 INFO L225 Difference]: With dead ends: 75317 [2021-07-13 20:08:07,830 INFO L226 Difference]: Without dead ends: 75249 [2021-07-13 20:08:07,830 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7072 ImplicationChecksByTransitivity, 2689.5ms TimeCoverageRelationStatistics Valid=4296, Invalid=14336, Unknown=0, NotChecked=0, Total=18632 [2021-07-13 20:08:07,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75249 states. [2021-07-13 20:08:09,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75249 to 60412. [2021-07-13 20:08:09,415 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) [2021-07-13 20:08:09,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60412 states to 60412 states and 156833 transitions. [2021-07-13 20:08:09,597 INFO L78 Accepts]: Start accepts. Automaton has 60412 states and 156833 transitions. Word has length 44 [2021-07-13 20:08:09,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:08:09,597 INFO L482 AbstractCegarLoop]: Abstraction has 60412 states and 156833 transitions. [2021-07-13 20:08:09,597 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) [2021-07-13 20:08:09,597 INFO L276 IsEmpty]: Start isEmpty. Operand 60412 states and 156833 transitions. [2021-07-13 20:08:09,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-07-13 20:08:09,642 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:08:09,642 INFO L508 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 20:08:09,842 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 154 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17137 [2021-07-13 20:08:09,842 INFO L430 AbstractCegarLoop]: === Iteration 159 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:08:09,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:08:09,842 INFO L82 PathProgramCache]: Analyzing trace with hash 761628206, now seen corresponding path program 154 times [2021-07-13 20:08:09,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:08:09,843 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529882022] [2021-07-13 20:08:09,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:08:09,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:08:09,998 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 46 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:08:09,998 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:08:09,998 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529882022] [2021-07-13 20:08:09,998 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529882022] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:08:09,998 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [309838289] [2021-07-13 20:08:09,998 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 [2021-07-13 20:08:10,028 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 20:08:10,028 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:08:10,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-13 20:08:10,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:08:10,415 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 46 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:08:10,415 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [309838289] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:08:10,416 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:08:10,416 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19] total 35 [2021-07-13 20:08:10,416 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973907732] [2021-07-13 20:08:10,416 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-07-13 20:08:10,416 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:08:10,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-07-13 20:08:10,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=221, Invalid=1039, Unknown=0, NotChecked=0, Total=1260 [2021-07-13 20:08:10,416 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) [2021-07-13 20:08:13,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:08:13,615 INFO L93 Difference]: Finished difference Result 71294 states and 180046 transitions. [2021-07-13 20:08:13,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2021-07-13 20:08:13,615 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 [2021-07-13 20:08:13,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:08:13,788 INFO L225 Difference]: With dead ends: 71294 [2021-07-13 20:08:13,788 INFO L226 Difference]: Without dead ends: 71236 [2021-07-13 20:08:13,790 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7215 ImplicationChecksByTransitivity, 2794.4ms TimeCoverageRelationStatistics Valid=4422, Invalid=14760, Unknown=0, NotChecked=0, Total=19182 [2021-07-13 20:08:13,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71236 states. [2021-07-13 20:08:15,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71236 to 55869. [2021-07-13 20:08:15,136 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) [2021-07-13 20:08:15,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55869 states to 55869 states and 144931 transitions. [2021-07-13 20:08:15,296 INFO L78 Accepts]: Start accepts. Automaton has 55869 states and 144931 transitions. Word has length 44 [2021-07-13 20:08:15,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:08:15,296 INFO L482 AbstractCegarLoop]: Abstraction has 55869 states and 144931 transitions. [2021-07-13 20:08:15,296 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) [2021-07-13 20:08:15,297 INFO L276 IsEmpty]: Start isEmpty. Operand 55869 states and 144931 transitions. [2021-07-13 20:08:15,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-07-13 20:08:15,333 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:08:15,333 INFO L508 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 20:08:15,533 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 155 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17138 [2021-07-13 20:08:15,533 INFO L430 AbstractCegarLoop]: === Iteration 160 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:08:15,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:08:15,534 INFO L82 PathProgramCache]: Analyzing trace with hash -1467247882, now seen corresponding path program 155 times [2021-07-13 20:08:15,534 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:08:15,534 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782561728] [2021-07-13 20:08:15,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:08:15,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:08:15,708 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 48 proven. 64 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 20:08:15,709 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:08:15,709 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782561728] [2021-07-13 20:08:15,709 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782561728] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:08:15,709 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1111798450] [2021-07-13 20:08:15,709 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 [2021-07-13 20:08:15,741 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-07-13 20:08:15,741 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:08:15,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-13 20:08:15,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:08:16,115 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 42 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:08:16,115 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1111798450] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:08:16,115 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:08:16,115 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 36 [2021-07-13 20:08:16,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509689989] [2021-07-13 20:08:16,115 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-13 20:08:16,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:08:16,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-13 20:08:16,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=232, Invalid=1100, Unknown=0, NotChecked=0, Total=1332 [2021-07-13 20:08:16,116 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)