/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 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-09 17:54:57,459 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-09 17:54:57,460 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-09 17:54:57,478 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-09 17:54:57,502 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 [2021-07-09 17:54:57,529 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-09 17:54:57,529 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-09 17:54:57,530 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-09 17:54:57,530 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-09 17:54:57,530 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-09 17:54:57,531 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-09 17:54:57,531 INFO L138 SettingsManager]: * Use SBE=true [2021-07-09 17:54:57,531 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-09 17:54:57,531 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-09 17:54:57,531 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-09 17:54:57,531 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-09 17:54:57,531 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-09 17:54:57,532 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-09 17:54:57,532 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-09 17:54:57,532 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-09 17:54:57,532 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-09 17:54:57,532 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-09 17:54:57,532 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-09 17:54:57,532 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-09 17:54:57,532 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-09 17:54:57,533 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-09 17:54:57,533 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-09 17:54:57,533 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-09 17:54:57,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-09 17:54:57,533 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-09 17:54:57,533 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-09 17:54:57,533 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-09 17:54:57,533 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-09 17:54:57,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-09 17:54:57,534 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-09 17:54:57,534 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-09 17:54:57,534 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-09 17:54:57,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-09 17:54:57,822 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-09 17:54:57,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-09 17:54:57,825 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-09 17:54:57,826 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-09 17:54:57,827 INFO L432 ainManager$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 [2021-07-09 17:54:57,827 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/counter-fun.wvr.bpl' [2021-07-09 17:54:57,860 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-09 17:54:57,862 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-09 17:54:57,863 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-09 17:54:57,863 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-09 17:54:57,863 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-09 17:54:57,871 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 09.07 05:54:57" (1/1) ... [2021-07-09 17:54:57,877 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 09.07 05:54:57" (1/1) ... [2021-07-09 17:54:57,882 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-09 17:54:57,883 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-09 17:54:57,883 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-09 17:54:57,884 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-09 17:54:57,889 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 05:54:57" (1/1) ... [2021-07-09 17:54:57,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 05:54:57" (1/1) ... [2021-07-09 17:54:57,889 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 05:54:57" (1/1) ... [2021-07-09 17:54:57,890 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 05:54:57" (1/1) ... [2021-07-09 17:54:57,892 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 05:54:57" (1/1) ... [2021-07-09 17:54:57,894 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 05:54:57" (1/1) ... [2021-07-09 17:54:57,895 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 05:54:57" (1/1) ... [2021-07-09 17:54:57,895 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-09 17:54:57,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-09 17:54:57,897 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-09 17:54:57,897 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-09 17:54:57,899 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 05:54:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-09 17:54:57,955 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-09 17:54:57,955 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-09 17:54:57,956 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-09 17:54:57,956 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-09 17:54:57,956 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-09 17:54:57,956 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-09 17:54:57,956 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-09 17:54:57,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-09 17:54:57,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-09 17:54:57,957 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-09 17:54:58,142 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-09 17:54:58,142 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-09 17:54:58,144 INFO L202 PluginConnector]: Adding new model counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.07 05:54:58 BoogieIcfgContainer [2021-07-09 17:54:58,144 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-09 17:54:58,145 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-09 17:54:58,145 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-09 17:54:58,147 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-09 17:54:58,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 05:54:57" (1/2) ... [2021-07-09 17:54:58,148 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12c9104f and model type counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.07 05:54:58, skipping insertion in model container [2021-07-09 17:54:58,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.07 05:54:58" (2/2) ... [2021-07-09 17:54:58,149 INFO L111 eAbstractionObserver]: Analyzing ICFG counter-fun.wvr.bpl [2021-07-09 17:54:58,152 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-09 17:54:58,152 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-09 17:54:58,152 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-09 17:54:58,153 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-09 17:54:58,199 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-09 17:54:58,228 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-07-09 17:54:58,253 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-09 17:54:58,254 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-09 17:54:58,254 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-09 17:54:58,254 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-09 17:54:58,254 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-09 17:54:58,254 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-09 17:54:58,254 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-09 17:54:58,254 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-09 17:54:58,260 INFO L110 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 27 places, 22 transitions, 60 flow [2021-07-09 17:54:58,269 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) [2021-07-09 17:54:58,270 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) [2021-07-09 17:54:58,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-07-09 17:54:58,274 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:54:58,275 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:54:58,275 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:54:58,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:54:58,279 INFO L82 PathProgramCache]: Analyzing trace with hash -1451168716, now seen corresponding path program 1 times [2021-07-09 17:54:58,284 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:54:58,284 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480991689] [2021-07-09 17:54:58,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:54:58,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:54:58,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:54:58,407 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:54:58,407 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480991689] [2021-07-09 17:54:58,408 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480991689] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 17:54:58,408 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 17:54:58,409 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-09 17:54:58,409 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302595863] [2021-07-09 17:54:58,412 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-09 17:54:58,413 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:54:58,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-09 17:54:58,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-09 17:54:58,425 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) [2021-07-09 17:54:58,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:54:58,451 INFO L93 Difference]: Finished difference Result 57 states and 105 transitions. [2021-07-09 17:54:58,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-09 17:54:58,454 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 [2021-07-09 17:54:58,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:54:58,461 INFO L225 Difference]: With dead ends: 57 [2021-07-09 17:54:58,461 INFO L226 Difference]: Without dead ends: 50 [2021-07-09 17:54:58,462 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-09 17:54:58,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2021-07-09 17:54:58,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 41. [2021-07-09 17:54:58,491 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) [2021-07-09 17:54:58,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 74 transitions. [2021-07-09 17:54:58,494 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 74 transitions. Word has length 14 [2021-07-09 17:54:58,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:54:58,496 INFO L482 AbstractCegarLoop]: Abstraction has 41 states and 74 transitions. [2021-07-09 17:54:58,496 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) [2021-07-09 17:54:58,496 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 74 transitions. [2021-07-09 17:54:58,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-07-09 17:54:58,497 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:54:58,497 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:54:58,497 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-09 17:54:58,497 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:54:58,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:54:58,500 INFO L82 PathProgramCache]: Analyzing trace with hash -334624586, now seen corresponding path program 1 times [2021-07-09 17:54:58,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:54:58,501 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889913583] [2021-07-09 17:54:58,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:54:58,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:54:58,580 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:54:58,580 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:54:58,580 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889913583] [2021-07-09 17:54:58,580 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889913583] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:54:58,580 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1655571537] [2021-07-09 17:54:58,581 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 [2021-07-09 17:54:58,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:54:58,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-09 17:54:58,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:54:58,728 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:54:58,728 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1655571537] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:54:58,728 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:54:58,728 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2021-07-09 17:54:58,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632477685] [2021-07-09 17:54:58,729 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-09 17:54:58,730 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:54:58,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-09 17:54:58,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-07-09 17:54:58,730 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) [2021-07-09 17:54:58,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:54:58,886 INFO L93 Difference]: Finished difference Result 68 states and 120 transitions. [2021-07-09 17:54:58,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-09 17:54:58,887 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 [2021-07-09 17:54:58,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:54:58,890 INFO L225 Difference]: With dead ends: 68 [2021-07-09 17:54:58,890 INFO L226 Difference]: Without dead ends: 68 [2021-07-09 17:54:58,891 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 142.0ms TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2021-07-09 17:54:58,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2021-07-09 17:54:58,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 41. [2021-07-09 17:54:58,903 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) [2021-07-09 17:54:58,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 76 transitions. [2021-07-09 17:54:58,904 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 76 transitions. Word has length 16 [2021-07-09 17:54:58,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:54:58,904 INFO L482 AbstractCegarLoop]: Abstraction has 41 states and 76 transitions. [2021-07-09 17:54:58,905 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) [2021-07-09 17:54:58,905 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 76 transitions. [2021-07-09 17:54:58,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-07-09 17:54:58,906 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:54:58,906 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:54:59,120 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-07-09 17:54:59,121 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:54:59,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:54:59,121 INFO L82 PathProgramCache]: Analyzing trace with hash 368180722, now seen corresponding path program 1 times [2021-07-09 17:54:59,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:54:59,122 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239454431] [2021-07-09 17:54:59,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:54:59,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:54:59,185 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:54:59,185 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:54:59,185 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239454431] [2021-07-09 17:54:59,185 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239454431] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 17:54:59,185 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 17:54:59,186 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-09 17:54:59,186 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211966504] [2021-07-09 17:54:59,186 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-09 17:54:59,186 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:54:59,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-09 17:54:59,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-07-09 17:54:59,187 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) [2021-07-09 17:54:59,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:54:59,249 INFO L93 Difference]: Finished difference Result 71 states and 125 transitions. [2021-07-09 17:54:59,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 17:54:59,250 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 [2021-07-09 17:54:59,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:54:59,253 INFO L225 Difference]: With dead ends: 71 [2021-07-09 17:54:59,256 INFO L226 Difference]: Without dead ends: 66 [2021-07-09 17:54:59,257 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 27.6ms TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-07-09 17:54:59,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2021-07-09 17:54:59,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 49. [2021-07-09 17:54:59,260 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) [2021-07-09 17:54:59,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 91 transitions. [2021-07-09 17:54:59,260 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 91 transitions. Word has length 16 [2021-07-09 17:54:59,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:54:59,261 INFO L482 AbstractCegarLoop]: Abstraction has 49 states and 91 transitions. [2021-07-09 17:54:59,261 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) [2021-07-09 17:54:59,261 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 91 transitions. [2021-07-09 17:54:59,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-07-09 17:54:59,261 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:54:59,261 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:54:59,261 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-09 17:54:59,262 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:54:59,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:54:59,262 INFO L82 PathProgramCache]: Analyzing trace with hash -896747138, now seen corresponding path program 2 times [2021-07-09 17:54:59,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:54:59,262 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264667206] [2021-07-09 17:54:59,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:54:59,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:54:59,300 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:54:59,300 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:54:59,300 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264667206] [2021-07-09 17:54:59,300 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264667206] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 17:54:59,300 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 17:54:59,300 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-09 17:54:59,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455647425] [2021-07-09 17:54:59,301 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-09 17:54:59,301 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:54:59,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-09 17:54:59,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-07-09 17:54:59,301 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) [2021-07-09 17:54:59,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:54:59,342 INFO L93 Difference]: Finished difference Result 51 states and 94 transitions. [2021-07-09 17:54:59,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-09 17:54:59,343 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 [2021-07-09 17:54:59,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:54:59,344 INFO L225 Difference]: With dead ends: 51 [2021-07-09 17:54:59,344 INFO L226 Difference]: Without dead ends: 51 [2021-07-09 17:54:59,345 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 33.7ms TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-07-09 17:54:59,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-07-09 17:54:59,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 43. [2021-07-09 17:54:59,354 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) [2021-07-09 17:54:59,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 79 transitions. [2021-07-09 17:54:59,357 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 79 transitions. Word has length 16 [2021-07-09 17:54:59,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:54:59,357 INFO L482 AbstractCegarLoop]: Abstraction has 43 states and 79 transitions. [2021-07-09 17:54:59,357 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) [2021-07-09 17:54:59,357 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 79 transitions. [2021-07-09 17:54:59,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-07-09 17:54:59,358 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:54:59,358 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:54:59,358 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-09 17:54:59,358 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:54:59,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:54:59,359 INFO L82 PathProgramCache]: Analyzing trace with hash 2014322076, now seen corresponding path program 2 times [2021-07-09 17:54:59,359 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:54:59,360 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86723842] [2021-07-09 17:54:59,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:54:59,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:54:59,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:54:59,386 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:54:59,386 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86723842] [2021-07-09 17:54:59,386 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86723842] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 17:54:59,386 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 17:54:59,386 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-09 17:54:59,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920553615] [2021-07-09 17:54:59,387 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-09 17:54:59,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:54:59,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-09 17:54:59,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-07-09 17:54:59,387 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) [2021-07-09 17:54:59,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:54:59,442 INFO L93 Difference]: Finished difference Result 51 states and 92 transitions. [2021-07-09 17:54:59,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 17:54:59,442 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 [2021-07-09 17:54:59,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:54:59,443 INFO L225 Difference]: With dead ends: 51 [2021-07-09 17:54:59,443 INFO L226 Difference]: Without dead ends: 49 [2021-07-09 17:54:59,443 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 35.5ms TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-07-09 17:54:59,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-07-09 17:54:59,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 43. [2021-07-09 17:54:59,452 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) [2021-07-09 17:54:59,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 78 transitions. [2021-07-09 17:54:59,453 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 78 transitions. Word has length 16 [2021-07-09 17:54:59,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:54:59,453 INFO L482 AbstractCegarLoop]: Abstraction has 43 states and 78 transitions. [2021-07-09 17:54:59,453 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) [2021-07-09 17:54:59,453 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 78 transitions. [2021-07-09 17:54:59,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-07-09 17:54:59,454 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:54:59,454 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:54:59,454 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-07-09 17:54:59,454 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:54:59,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:54:59,455 INFO L82 PathProgramCache]: Analyzing trace with hash -374734348, now seen corresponding path program 1 times [2021-07-09 17:54:59,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:54:59,455 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937955823] [2021-07-09 17:54:59,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:54:59,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:54:59,487 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:54:59,488 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:54:59,488 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937955823] [2021-07-09 17:54:59,488 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937955823] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:54:59,488 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [909549693] [2021-07-09 17:54:59,488 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 [2021-07-09 17:54:59,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:54:59,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-09 17:54:59,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:54:59,569 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 [2021-07-09 17:54:59,571 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 17:54:59,572 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:54:59,573 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 17:54:59,573 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:5 [2021-07-09 17:54:59,594 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 [2021-07-09 17:54:59,595 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 17:54:59,597 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:54:59,597 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 17:54:59,597 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-07-09 17:54:59,604 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:54:59,604 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [909549693] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:54:59,604 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:54:59,604 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-07-09 17:54:59,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632942441] [2021-07-09 17:54:59,605 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-09 17:54:59,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:54:59,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-09 17:54:59,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-09 17:54:59,605 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) [2021-07-09 17:54:59,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:54:59,616 INFO L93 Difference]: Finished difference Result 99 states and 186 transitions. [2021-07-09 17:54:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 17:54:59,616 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 [2021-07-09 17:54:59,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:54:59,617 INFO L225 Difference]: With dead ends: 99 [2021-07-09 17:54:59,617 INFO L226 Difference]: Without dead ends: 92 [2021-07-09 17:54:59,617 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.8ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-09 17:54:59,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2021-07-09 17:54:59,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 69. [2021-07-09 17:54:59,620 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) [2021-07-09 17:54:59,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 139 transitions. [2021-07-09 17:54:59,620 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 139 transitions. Word has length 18 [2021-07-09 17:54:59,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:54:59,620 INFO L482 AbstractCegarLoop]: Abstraction has 69 states and 139 transitions. [2021-07-09 17:54:59,620 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) [2021-07-09 17:54:59,621 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 139 transitions. [2021-07-09 17:54:59,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-07-09 17:54:59,621 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:54:59,621 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:54:59,822 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:54:59,822 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:54:59,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:54:59,823 INFO L82 PathProgramCache]: Analyzing trace with hash -1555556108, now seen corresponding path program 2 times [2021-07-09 17:54:59,823 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:54:59,823 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609622511] [2021-07-09 17:54:59,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:54:59,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:54:59,846 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-09 17:54:59,846 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:54:59,846 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609622511] [2021-07-09 17:54:59,846 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609622511] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 17:54:59,846 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 17:54:59,846 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-09 17:54:59,847 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794629201] [2021-07-09 17:54:59,847 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-09 17:54:59,847 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:54:59,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-09 17:54:59,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-09 17:54:59,850 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) [2021-07-09 17:54:59,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:54:59,875 INFO L93 Difference]: Finished difference Result 118 states and 233 transitions. [2021-07-09 17:54:59,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 17:54:59,876 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 [2021-07-09 17:54:59,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:54:59,876 INFO L225 Difference]: With dead ends: 118 [2021-07-09 17:54:59,876 INFO L226 Difference]: Without dead ends: 111 [2021-07-09 17:54:59,876 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.1ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-09 17:54:59,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2021-07-09 17:54:59,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 86. [2021-07-09 17:54:59,880 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) [2021-07-09 17:54:59,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 181 transitions. [2021-07-09 17:54:59,880 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 181 transitions. Word has length 18 [2021-07-09 17:54:59,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:54:59,880 INFO L482 AbstractCegarLoop]: Abstraction has 86 states and 181 transitions. [2021-07-09 17:54:59,880 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) [2021-07-09 17:54:59,880 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 181 transitions. [2021-07-09 17:54:59,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-07-09 17:54:59,881 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:54:59,881 INFO L508 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:54:59,881 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-07-09 17:54:59,881 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:54:59,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:54:59,882 INFO L82 PathProgramCache]: Analyzing trace with hash -1351545482, now seen corresponding path program 3 times [2021-07-09 17:54:59,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:54:59,882 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260300415] [2021-07-09 17:54:59,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:54:59,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:54:59,942 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:54:59,942 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:54:59,943 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260300415] [2021-07-09 17:54:59,943 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260300415] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:54:59,943 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [211475659] [2021-07-09 17:54:59,943 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 [2021-07-09 17:54:59,970 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-09 17:54:59,970 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:54:59,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-09 17:54:59,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:00,068 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:00,069 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [211475659] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:00,069 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:00,069 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2021-07-09 17:55:00,069 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938316927] [2021-07-09 17:55:00,069 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-09 17:55:00,069 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:00,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-09 17:55:00,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2021-07-09 17:55:00,070 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) [2021-07-09 17:55:00,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:00,344 INFO L93 Difference]: Finished difference Result 213 states and 407 transitions. [2021-07-09 17:55:00,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 17:55:00,344 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 [2021-07-09 17:55:00,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:00,345 INFO L225 Difference]: With dead ends: 213 [2021-07-09 17:55:00,345 INFO L226 Difference]: Without dead ends: 213 [2021-07-09 17:55:00,346 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 241.0ms TimeCoverageRelationStatistics Valid=185, Invalid=465, Unknown=0, NotChecked=0, Total=650 [2021-07-09 17:55:00,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2021-07-09 17:55:00,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 88. [2021-07-09 17:55:00,357 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) [2021-07-09 17:55:00,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 187 transitions. [2021-07-09 17:55:00,357 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 187 transitions. Word has length 20 [2021-07-09 17:55:00,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:00,358 INFO L482 AbstractCegarLoop]: Abstraction has 88 states and 187 transitions. [2021-07-09 17:55:00,358 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) [2021-07-09 17:55:00,358 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 187 transitions. [2021-07-09 17:55:00,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-07-09 17:55:00,358 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:00,358 INFO L508 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:00,572 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:55:00,573 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:00,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:00,573 INFO L82 PathProgramCache]: Analyzing trace with hash -265509966, now seen corresponding path program 4 times [2021-07-09 17:55:00,574 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:00,574 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369841841] [2021-07-09 17:55:00,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:00,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:00,621 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:00,621 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:00,621 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369841841] [2021-07-09 17:55:00,621 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369841841] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:00,621 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [790081500] [2021-07-09 17:55:00,622 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) [2021-07-09 17:55:00,659 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-09 17:55:00,659 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:55:00,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:55:00,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:00,768 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:00,768 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [790081500] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:00,768 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:00,768 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-07-09 17:55:00,769 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474121247] [2021-07-09 17:55:00,769 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-09 17:55:00,769 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:00,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-09 17:55:00,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-07-09 17:55:00,770 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) [2021-07-09 17:55:01,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:01,059 INFO L93 Difference]: Finished difference Result 257 states and 488 transitions. [2021-07-09 17:55:01,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-09 17:55:01,060 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 [2021-07-09 17:55:01,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:01,061 INFO L225 Difference]: With dead ends: 257 [2021-07-09 17:55:01,061 INFO L226 Difference]: Without dead ends: 234 [2021-07-09 17:55:01,061 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 248.4ms TimeCoverageRelationStatistics Valid=177, Invalid=473, Unknown=0, NotChecked=0, Total=650 [2021-07-09 17:55:01,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2021-07-09 17:55:01,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 108. [2021-07-09 17:55:01,065 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) [2021-07-09 17:55:01,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 230 transitions. [2021-07-09 17:55:01,066 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 230 transitions. Word has length 20 [2021-07-09 17:55:01,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:01,066 INFO L482 AbstractCegarLoop]: Abstraction has 108 states and 230 transitions. [2021-07-09 17:55:01,066 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) [2021-07-09 17:55:01,066 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 230 transitions. [2021-07-09 17:55:01,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-07-09 17:55:01,067 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:01,067 INFO L508 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:01,279 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:55:01,280 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:01,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:01,280 INFO L82 PathProgramCache]: Analyzing trace with hash -698013310, now seen corresponding path program 5 times [2021-07-09 17:55:01,281 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:01,281 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291761082] [2021-07-09 17:55:01,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:01,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:01,318 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:01,318 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:01,318 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291761082] [2021-07-09 17:55:01,318 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291761082] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:01,318 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1736257733] [2021-07-09 17:55:01,318 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 [2021-07-09 17:55:01,341 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-07-09 17:55:01,341 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:55:01,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-09 17:55:01,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:01,431 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:01,432 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1736257733] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:01,432 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:01,432 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 11 [2021-07-09 17:55:01,432 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795999645] [2021-07-09 17:55:01,432 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-09 17:55:01,432 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:01,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-09 17:55:01,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-07-09 17:55:01,433 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) [2021-07-09 17:55:01,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:01,718 INFO L93 Difference]: Finished difference Result 236 states and 462 transitions. [2021-07-09 17:55:01,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 17:55:01,718 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 [2021-07-09 17:55:01,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:01,719 INFO L225 Difference]: With dead ends: 236 [2021-07-09 17:55:01,719 INFO L226 Difference]: Without dead ends: 236 [2021-07-09 17:55:01,720 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 223.2ms TimeCoverageRelationStatistics Valid=155, Invalid=351, Unknown=0, NotChecked=0, Total=506 [2021-07-09 17:55:01,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2021-07-09 17:55:01,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 131. [2021-07-09 17:55:01,723 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) [2021-07-09 17:55:01,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 290 transitions. [2021-07-09 17:55:01,724 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 290 transitions. Word has length 20 [2021-07-09 17:55:01,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:01,724 INFO L482 AbstractCegarLoop]: Abstraction has 131 states and 290 transitions. [2021-07-09 17:55:01,724 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) [2021-07-09 17:55:01,724 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 290 transitions. [2021-07-09 17:55:01,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-07-09 17:55:01,725 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:01,725 INFO L508 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:01,945 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-07-09 17:55:01,946 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:01,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:01,946 INFO L82 PathProgramCache]: Analyzing trace with hash -2081911392, now seen corresponding path program 6 times [2021-07-09 17:55:01,946 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:01,946 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527547109] [2021-07-09 17:55:01,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:01,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:01,985 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:01,986 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:01,986 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527547109] [2021-07-09 17:55:01,986 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527547109] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:01,986 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2106186249] [2021-07-09 17:55:01,986 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 [2021-07-09 17:55:02,008 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-09 17:55:02,008 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:55:02,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-09 17:55:02,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:02,111 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:02,111 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2106186249] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:02,111 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:02,111 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 11 [2021-07-09 17:55:02,113 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790254521] [2021-07-09 17:55:02,113 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-09 17:55:02,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:02,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-09 17:55:02,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2021-07-09 17:55:02,116 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) [2021-07-09 17:55:02,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:02,325 INFO L93 Difference]: Finished difference Result 208 states and 429 transitions. [2021-07-09 17:55:02,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 17:55:02,325 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 [2021-07-09 17:55:02,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:02,326 INFO L225 Difference]: With dead ends: 208 [2021-07-09 17:55:02,326 INFO L226 Difference]: Without dead ends: 204 [2021-07-09 17:55:02,327 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 191.5ms TimeCoverageRelationStatistics Valid=176, Invalid=424, Unknown=0, NotChecked=0, Total=600 [2021-07-09 17:55:02,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2021-07-09 17:55:02,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 133. [2021-07-09 17:55:02,330 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) [2021-07-09 17:55:02,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 292 transitions. [2021-07-09 17:55:02,331 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 292 transitions. Word has length 20 [2021-07-09 17:55:02,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:02,331 INFO L482 AbstractCegarLoop]: Abstraction has 133 states and 292 transitions. [2021-07-09 17:55:02,331 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) [2021-07-09 17:55:02,331 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 292 transitions. [2021-07-09 17:55:02,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-07-09 17:55:02,332 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:02,332 INFO L508 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:02,548 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:55:02,549 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:02,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:02,549 INFO L82 PathProgramCache]: Analyzing trace with hash -1866660490, now seen corresponding path program 7 times [2021-07-09 17:55:02,549 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:02,549 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078674561] [2021-07-09 17:55:02,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:02,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:02,600 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:55:02,600 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:02,600 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078674561] [2021-07-09 17:55:02,600 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078674561] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:02,600 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [672087602] [2021-07-09 17:55:02,600 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 [2021-07-09 17:55:02,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:02,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-09 17:55:02,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:02,711 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:02,711 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [672087602] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:02,712 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:02,712 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-07-09 17:55:02,712 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815369889] [2021-07-09 17:55:02,712 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-09 17:55:02,712 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:02,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-09 17:55:02,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-07-09 17:55:02,713 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) [2021-07-09 17:55:02,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:02,998 INFO L93 Difference]: Finished difference Result 311 states and 632 transitions. [2021-07-09 17:55:02,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 17:55:02,999 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 [2021-07-09 17:55:02,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:03,001 INFO L225 Difference]: With dead ends: 311 [2021-07-09 17:55:03,001 INFO L226 Difference]: Without dead ends: 311 [2021-07-09 17:55:03,001 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 234.1ms TimeCoverageRelationStatistics Valid=218, Invalid=484, Unknown=0, NotChecked=0, Total=702 [2021-07-09 17:55:03,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2021-07-09 17:55:03,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 176. [2021-07-09 17:55:03,009 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) [2021-07-09 17:55:03,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 402 transitions. [2021-07-09 17:55:03,010 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 402 transitions. Word has length 20 [2021-07-09 17:55:03,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:03,010 INFO L482 AbstractCegarLoop]: Abstraction has 176 states and 402 transitions. [2021-07-09 17:55:03,010 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) [2021-07-09 17:55:03,010 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 402 transitions. [2021-07-09 17:55:03,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-07-09 17:55:03,012 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:03,012 INFO L508 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:03,228 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:55:03,228 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:03,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:03,229 INFO L82 PathProgramCache]: Analyzing trace with hash -1163855182, now seen corresponding path program 8 times [2021-07-09 17:55:03,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:03,229 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232826531] [2021-07-09 17:55:03,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:03,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:03,278 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:55:03,278 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:03,278 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232826531] [2021-07-09 17:55:03,278 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232826531] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:03,278 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2095043903] [2021-07-09 17:55:03,279 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 [2021-07-09 17:55:03,325 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 17:55:03,325 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:55:03,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-09 17:55:03,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:03,421 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:03,421 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2095043903] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:03,421 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:03,421 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 11 [2021-07-09 17:55:03,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976042648] [2021-07-09 17:55:03,422 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-09 17:55:03,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:03,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-09 17:55:03,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2021-07-09 17:55:03,423 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) [2021-07-09 17:55:03,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:03,644 INFO L93 Difference]: Finished difference Result 248 states and 522 transitions. [2021-07-09 17:55:03,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 17:55:03,645 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 [2021-07-09 17:55:03,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:03,646 INFO L225 Difference]: With dead ends: 248 [2021-07-09 17:55:03,646 INFO L226 Difference]: Without dead ends: 242 [2021-07-09 17:55:03,646 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 190.8ms TimeCoverageRelationStatistics Valid=129, Invalid=333, Unknown=0, NotChecked=0, Total=462 [2021-07-09 17:55:03,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2021-07-09 17:55:03,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 182. [2021-07-09 17:55:03,649 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) [2021-07-09 17:55:03,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 421 transitions. [2021-07-09 17:55:03,650 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 421 transitions. Word has length 20 [2021-07-09 17:55:03,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:03,650 INFO L482 AbstractCegarLoop]: Abstraction has 182 states and 421 transitions. [2021-07-09 17:55:03,650 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) [2021-07-09 17:55:03,651 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 421 transitions. [2021-07-09 17:55:03,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-07-09 17:55:03,651 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:03,651 INFO L508 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:03,856 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-07-09 17:55:03,857 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:03,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:03,858 INFO L82 PathProgramCache]: Analyzing trace with hash 482286172, now seen corresponding path program 9 times [2021-07-09 17:55:03,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:03,858 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441637434] [2021-07-09 17:55:03,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:03,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:03,891 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:55:03,891 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:03,891 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441637434] [2021-07-09 17:55:03,891 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441637434] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:03,891 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1644227021] [2021-07-09 17:55:03,891 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-07-09 17:55:03,917 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-09 17:55:03,918 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:55:03,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-09 17:55:03,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:04,015 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:04,015 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1644227021] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:04,015 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:04,015 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 11 [2021-07-09 17:55:04,015 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94589338] [2021-07-09 17:55:04,016 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-09 17:55:04,016 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:04,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-09 17:55:04,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2021-07-09 17:55:04,016 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) [2021-07-09 17:55:04,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:04,222 INFO L93 Difference]: Finished difference Result 300 states and 621 transitions. [2021-07-09 17:55:04,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 17:55:04,222 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 [2021-07-09 17:55:04,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:04,223 INFO L225 Difference]: With dead ends: 300 [2021-07-09 17:55:04,223 INFO L226 Difference]: Without dead ends: 296 [2021-07-09 17:55:04,224 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 180.3ms TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2021-07-09 17:55:04,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2021-07-09 17:55:04,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 182. [2021-07-09 17:55:04,228 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) [2021-07-09 17:55:04,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 419 transitions. [2021-07-09 17:55:04,229 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 419 transitions. Word has length 20 [2021-07-09 17:55:04,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:04,229 INFO L482 AbstractCegarLoop]: Abstraction has 182 states and 419 transitions. [2021-07-09 17:55:04,229 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) [2021-07-09 17:55:04,229 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 419 transitions. [2021-07-09 17:55:04,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-07-09 17:55:04,230 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:04,230 INFO L508 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:04,445 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:55:04,445 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:04,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:04,446 INFO L82 PathProgramCache]: Analyzing trace with hash -24060094, now seen corresponding path program 10 times [2021-07-09 17:55:04,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:04,446 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537532336] [2021-07-09 17:55:04,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:04,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:04,487 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:04,487 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:04,487 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537532336] [2021-07-09 17:55:04,487 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537532336] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:04,487 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [889260809] [2021-07-09 17:55:04,487 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 [2021-07-09 17:55:04,509 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-09 17:55:04,509 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:55:04,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-09 17:55:04,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:04,585 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:04,586 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [889260809] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:04,586 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:04,586 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-07-09 17:55:04,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361639937] [2021-07-09 17:55:04,586 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-09 17:55:04,586 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:04,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-09 17:55:04,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2021-07-09 17:55:04,587 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) [2021-07-09 17:55:04,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:04,819 INFO L93 Difference]: Finished difference Result 296 states and 623 transitions. [2021-07-09 17:55:04,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 17:55:04,819 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 [2021-07-09 17:55:04,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:04,820 INFO L225 Difference]: With dead ends: 296 [2021-07-09 17:55:04,820 INFO L226 Difference]: Without dead ends: 284 [2021-07-09 17:55:04,821 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 212.0ms TimeCoverageRelationStatistics Valid=197, Invalid=505, Unknown=0, NotChecked=0, Total=702 [2021-07-09 17:55:04,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2021-07-09 17:55:04,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 193. [2021-07-09 17:55:04,824 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) [2021-07-09 17:55:04,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 444 transitions. [2021-07-09 17:55:04,825 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 444 transitions. Word has length 20 [2021-07-09 17:55:04,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:04,825 INFO L482 AbstractCegarLoop]: Abstraction has 193 states and 444 transitions. [2021-07-09 17:55:04,825 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) [2021-07-09 17:55:04,825 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 444 transitions. [2021-07-09 17:55:04,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-07-09 17:55:04,826 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:04,826 INFO L508 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:05,040 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-07-09 17:55:05,041 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:05,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:05,041 INFO L82 PathProgramCache]: Analyzing trace with hash 1616828084, now seen corresponding path program 11 times [2021-07-09 17:55:05,041 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:05,041 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538457185] [2021-07-09 17:55:05,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:05,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:05,063 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:05,063 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:05,063 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538457185] [2021-07-09 17:55:05,064 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538457185] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:05,064 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1651203541] [2021-07-09 17:55:05,064 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 [2021-07-09 17:55:05,088 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-07-09 17:55:05,088 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:55:05,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-09 17:55:05,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:05,117 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:55:05,117 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 [2021-07-09 17:55:05,120 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 17:55:05,125 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:55:05,126 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 17:55:05,126 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:20 [2021-07-09 17:55:05,215 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-07-09 17:55:05,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2021-07-09 17:55:05,217 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 17:55:05,224 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:55:05,229 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-07-09 17:55:05,229 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 [2021-07-09 17:55:05,233 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 17:55:05,236 INFO L628 ElimStorePlain]: treesize reduction 8, result has 27.3 percent of original size [2021-07-09 17:55:05,236 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 17:55:05,236 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:42, output treesize:3 [2021-07-09 17:55:05,242 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:05,242 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1651203541] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:05,242 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:05,242 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 8 [2021-07-09 17:55:05,242 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907878989] [2021-07-09 17:55:05,242 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-09 17:55:05,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:05,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-09 17:55:05,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-07-09 17:55:05,243 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) [2021-07-09 17:55:05,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:05,278 INFO L93 Difference]: Finished difference Result 372 states and 809 transitions. [2021-07-09 17:55:05,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 17:55:05,278 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 [2021-07-09 17:55:05,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:05,280 INFO L225 Difference]: With dead ends: 372 [2021-07-09 17:55:05,280 INFO L226 Difference]: Without dead ends: 365 [2021-07-09 17:55:05,280 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 42.2ms TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-07-09 17:55:05,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2021-07-09 17:55:05,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 263. [2021-07-09 17:55:05,285 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) [2021-07-09 17:55:05,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 623 transitions. [2021-07-09 17:55:05,285 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 623 transitions. Word has length 22 [2021-07-09 17:55:05,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:05,286 INFO L482 AbstractCegarLoop]: Abstraction has 263 states and 623 transitions. [2021-07-09 17:55:05,286 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) [2021-07-09 17:55:05,286 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 623 transitions. [2021-07-09 17:55:05,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-07-09 17:55:05,286 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:05,286 INFO L508 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:05,497 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-07-09 17:55:05,498 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:05,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:05,498 INFO L82 PathProgramCache]: Analyzing trace with hash -462338892, now seen corresponding path program 12 times [2021-07-09 17:55:05,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:05,498 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748237370] [2021-07-09 17:55:05,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:05,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:05,521 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-09 17:55:05,528 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:05,528 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748237370] [2021-07-09 17:55:05,528 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748237370] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:05,528 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [71785094] [2021-07-09 17:55:05,528 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 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 [2021-07-09 17:55:05,564 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-09 17:55:05,564 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:55:05,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-09 17:55:05,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:05,617 INFO L446 ElimStorePlain]: Different costs {1=[f], 3=[f_inv]} [2021-07-09 17:55:05,621 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:55:05,621 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 [2021-07-09 17:55:05,628 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 17:55:05,638 INFO L628 ElimStorePlain]: treesize reduction 9, result has 71.9 percent of original size [2021-07-09 17:55:05,642 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:55:05,642 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 [2021-07-09 17:55:05,647 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 17:55:05,648 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:55:05,649 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 17:55:05,649 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:3 [2021-07-09 17:55:05,657 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:55:05,657 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [71785094] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:05,657 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:05,657 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 8 [2021-07-09 17:55:05,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223104847] [2021-07-09 17:55:05,657 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-09 17:55:05,657 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:05,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-09 17:55:05,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-07-09 17:55:05,658 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) [2021-07-09 17:55:05,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:05,685 INFO L93 Difference]: Finished difference Result 405 states and 917 transitions. [2021-07-09 17:55:05,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 17:55:05,685 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 [2021-07-09 17:55:05,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:05,687 INFO L225 Difference]: With dead ends: 405 [2021-07-09 17:55:05,687 INFO L226 Difference]: Without dead ends: 396 [2021-07-09 17:55:05,687 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 30.0ms TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-07-09 17:55:05,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2021-07-09 17:55:05,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 318. [2021-07-09 17:55:05,693 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) [2021-07-09 17:55:05,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 775 transitions. [2021-07-09 17:55:05,694 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 775 transitions. Word has length 22 [2021-07-09 17:55:05,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:05,694 INFO L482 AbstractCegarLoop]: Abstraction has 318 states and 775 transitions. [2021-07-09 17:55:05,694 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) [2021-07-09 17:55:05,694 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 775 transitions. [2021-07-09 17:55:05,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-07-09 17:55:05,694 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:05,695 INFO L508 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:05,904 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:55:05,905 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:05,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:05,905 INFO L82 PathProgramCache]: Analyzing trace with hash -2570572, now seen corresponding path program 13 times [2021-07-09 17:55:05,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:05,905 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980075040] [2021-07-09 17:55:05,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:05,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:05,927 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-09 17:55:05,927 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:05,927 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980075040] [2021-07-09 17:55:05,928 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980075040] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:05,928 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [308570533] [2021-07-09 17:55:05,928 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 [2021-07-09 17:55:05,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:05,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-09 17:55:05,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:05,990 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:55:05,990 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 [2021-07-09 17:55:05,993 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 17:55:05,997 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:55:05,997 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 17:55:05,997 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:20 [2021-07-09 17:55:06,068 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-07-09 17:55:06,069 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 [2021-07-09 17:55:06,070 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 17:55:06,074 INFO L628 ElimStorePlain]: treesize reduction 21, result has 12.5 percent of original size [2021-07-09 17:55:06,074 INFO L518 ElimStorePlain]: Eliminatee v_prenex_5 vanished before elimination [2021-07-09 17:55:06,074 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 17:55:06,074 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:42, output treesize:3 [2021-07-09 17:55:06,082 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-09 17:55:06,082 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [308570533] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:06,082 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:06,082 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 8 [2021-07-09 17:55:06,082 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315883126] [2021-07-09 17:55:06,083 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-09 17:55:06,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:06,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-09 17:55:06,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-07-09 17:55:06,083 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) [2021-07-09 17:55:06,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:06,110 INFO L93 Difference]: Finished difference Result 499 states and 1143 transitions. [2021-07-09 17:55:06,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 17:55:06,110 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 [2021-07-09 17:55:06,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:06,112 INFO L225 Difference]: With dead ends: 499 [2021-07-09 17:55:06,112 INFO L226 Difference]: Without dead ends: 492 [2021-07-09 17:55:06,112 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 38.5ms TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-07-09 17:55:06,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2021-07-09 17:55:06,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 374. [2021-07-09 17:55:06,120 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) [2021-07-09 17:55:06,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 923 transitions. [2021-07-09 17:55:06,121 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 923 transitions. Word has length 22 [2021-07-09 17:55:06,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:06,121 INFO L482 AbstractCegarLoop]: Abstraction has 374 states and 923 transitions. [2021-07-09 17:55:06,121 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) [2021-07-09 17:55:06,121 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 923 transitions. [2021-07-09 17:55:06,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-07-09 17:55:06,122 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:06,122 INFO L508 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:06,332 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-07-09 17:55:06,333 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:06,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:06,333 INFO L82 PathProgramCache]: Analyzing trace with hash -1932504778, now seen corresponding path program 14 times [2021-07-09 17:55:06,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:06,333 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566206099] [2021-07-09 17:55:06,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:06,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:06,392 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:06,392 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:06,392 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566206099] [2021-07-09 17:55:06,392 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566206099] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:06,392 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1803928227] [2021-07-09 17:55:06,392 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 [2021-07-09 17:55:06,416 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 17:55:06,417 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:55:06,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-09 17:55:06,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:06,533 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:06,534 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1803928227] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:06,534 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:06,534 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 17 [2021-07-09 17:55:06,534 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452463656] [2021-07-09 17:55:06,534 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-09 17:55:06,534 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:06,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-09 17:55:06,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2021-07-09 17:55:06,535 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) [2021-07-09 17:55:06,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:06,997 INFO L93 Difference]: Finished difference Result 665 states and 1470 transitions. [2021-07-09 17:55:06,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-09 17:55:06,998 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 [2021-07-09 17:55:06,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:07,000 INFO L225 Difference]: With dead ends: 665 [2021-07-09 17:55:07,000 INFO L226 Difference]: Without dead ends: 665 [2021-07-09 17:55:07,001 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 300 ImplicationChecksByTransitivity, 380.7ms TimeCoverageRelationStatistics Valid=402, Invalid=1080, Unknown=0, NotChecked=0, Total=1482 [2021-07-09 17:55:07,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2021-07-09 17:55:07,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 325. [2021-07-09 17:55:07,008 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) [2021-07-09 17:55:07,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 794 transitions. [2021-07-09 17:55:07,008 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 794 transitions. Word has length 24 [2021-07-09 17:55:07,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:07,008 INFO L482 AbstractCegarLoop]: Abstraction has 325 states and 794 transitions. [2021-07-09 17:55:07,009 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) [2021-07-09 17:55:07,009 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 794 transitions. [2021-07-09 17:55:07,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-07-09 17:55:07,009 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:07,009 INFO L508 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:07,225 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:55:07,225 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:07,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:07,225 INFO L82 PathProgramCache]: Analyzing trace with hash -1929426830, now seen corresponding path program 15 times [2021-07-09 17:55:07,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:07,225 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404536163] [2021-07-09 17:55:07,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:07,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:07,272 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:07,272 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:07,272 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404536163] [2021-07-09 17:55:07,272 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404536163] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:07,272 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [142602360] [2021-07-09 17:55:07,272 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 [2021-07-09 17:55:07,304 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-09 17:55:07,304 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:55:07,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-09 17:55:07,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:07,422 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:07,422 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [142602360] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:07,422 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:07,422 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-07-09 17:55:07,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300306484] [2021-07-09 17:55:07,423 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-09 17:55:07,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:07,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-09 17:55:07,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2021-07-09 17:55:07,423 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) [2021-07-09 17:55:08,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:08,039 INFO L93 Difference]: Finished difference Result 786 states and 1670 transitions. [2021-07-09 17:55:08,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-09 17:55:08,040 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 [2021-07-09 17:55:08,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:08,042 INFO L225 Difference]: With dead ends: 786 [2021-07-09 17:55:08,042 INFO L226 Difference]: Without dead ends: 742 [2021-07-09 17:55:08,043 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 455 ImplicationChecksByTransitivity, 503.4ms TimeCoverageRelationStatistics Valid=449, Invalid=1357, Unknown=0, NotChecked=0, Total=1806 [2021-07-09 17:55:08,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2021-07-09 17:55:08,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 342. [2021-07-09 17:55:08,052 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) [2021-07-09 17:55:08,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 823 transitions. [2021-07-09 17:55:08,053 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 823 transitions. Word has length 24 [2021-07-09 17:55:08,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:08,053 INFO L482 AbstractCegarLoop]: Abstraction has 342 states and 823 transitions. [2021-07-09 17:55:08,053 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) [2021-07-09 17:55:08,053 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 823 transitions. [2021-07-09 17:55:08,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-07-09 17:55:08,054 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:08,054 INFO L508 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:08,269 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-07-09 17:55:08,269 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:08,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:08,269 INFO L82 PathProgramCache]: Analyzing trace with hash -1265887354, now seen corresponding path program 16 times [2021-07-09 17:55:08,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:08,270 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386824497] [2021-07-09 17:55:08,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:08,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:08,315 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:08,315 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:08,316 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386824497] [2021-07-09 17:55:08,316 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386824497] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:08,316 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1044816583] [2021-07-09 17:55:08,316 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 [2021-07-09 17:55:08,340 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-09 17:55:08,340 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:55:08,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-09 17:55:08,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:08,445 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:08,446 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1044816583] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:08,446 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:08,446 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 14 [2021-07-09 17:55:08,446 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493290353] [2021-07-09 17:55:08,447 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-09 17:55:08,447 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:08,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-09 17:55:08,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2021-07-09 17:55:08,448 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) [2021-07-09 17:55:08,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:08,908 INFO L93 Difference]: Finished difference Result 742 states and 1645 transitions. [2021-07-09 17:55:08,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-09 17:55:08,909 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 [2021-07-09 17:55:08,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:08,911 INFO L225 Difference]: With dead ends: 742 [2021-07-09 17:55:08,911 INFO L226 Difference]: Without dead ends: 740 [2021-07-09 17:55:08,912 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 322 ImplicationChecksByTransitivity, 378.8ms TimeCoverageRelationStatistics Valid=387, Invalid=945, Unknown=0, NotChecked=0, Total=1332 [2021-07-09 17:55:08,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2021-07-09 17:55:08,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 404. [2021-07-09 17:55:08,919 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) [2021-07-09 17:55:08,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 977 transitions. [2021-07-09 17:55:08,920 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 977 transitions. Word has length 24 [2021-07-09 17:55:08,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:08,921 INFO L482 AbstractCegarLoop]: Abstraction has 404 states and 977 transitions. [2021-07-09 17:55:08,921 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) [2021-07-09 17:55:08,921 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 977 transitions. [2021-07-09 17:55:08,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-07-09 17:55:08,922 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:08,923 INFO L508 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:09,138 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-07-09 17:55:09,138 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:09,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:09,138 INFO L82 PathProgramCache]: Analyzing trace with hash 1645181860, now seen corresponding path program 17 times [2021-07-09 17:55:09,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:09,139 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158984000] [2021-07-09 17:55:09,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:09,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:09,180 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:09,181 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:09,181 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158984000] [2021-07-09 17:55:09,181 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158984000] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:09,181 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [797287817] [2021-07-09 17:55:09,181 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 [2021-07-09 17:55:09,207 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-09 17:55:09,207 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:55:09,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-09 17:55:09,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:09,308 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:09,308 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [797287817] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:09,308 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:09,309 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 14 [2021-07-09 17:55:09,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924679272] [2021-07-09 17:55:09,309 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-09 17:55:09,309 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:09,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-09 17:55:09,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2021-07-09 17:55:09,309 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) [2021-07-09 17:55:09,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:09,730 INFO L93 Difference]: Finished difference Result 548 states and 1247 transitions. [2021-07-09 17:55:09,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-09 17:55:09,730 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 [2021-07-09 17:55:09,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:09,732 INFO L225 Difference]: With dead ends: 548 [2021-07-09 17:55:09,732 INFO L226 Difference]: Without dead ends: 544 [2021-07-09 17:55:09,733 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 297 ImplicationChecksByTransitivity, 360.7ms TimeCoverageRelationStatistics Valid=356, Invalid=976, Unknown=0, NotChecked=0, Total=1332 [2021-07-09 17:55:09,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2021-07-09 17:55:09,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 404. [2021-07-09 17:55:09,741 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) [2021-07-09 17:55:09,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 976 transitions. [2021-07-09 17:55:09,742 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 976 transitions. Word has length 24 [2021-07-09 17:55:09,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:09,742 INFO L482 AbstractCegarLoop]: Abstraction has 404 states and 976 transitions. [2021-07-09 17:55:09,743 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) [2021-07-09 17:55:09,743 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 976 transitions. [2021-07-09 17:55:09,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-07-09 17:55:09,744 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:09,744 INFO L508 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:09,957 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:55:09,957 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:09,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:09,957 INFO L82 PathProgramCache]: Analyzing trace with hash 1445869170, now seen corresponding path program 18 times [2021-07-09 17:55:09,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:09,957 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732728075] [2021-07-09 17:55:09,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:09,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:10,011 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:55:10,011 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:10,011 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732728075] [2021-07-09 17:55:10,011 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732728075] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:10,011 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [65701552] [2021-07-09 17:55:10,012 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 [2021-07-09 17:55:10,043 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-09 17:55:10,043 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:55:10,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-09 17:55:10,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:10,158 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:10,158 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [65701552] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:10,158 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:10,158 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 14 [2021-07-09 17:55:10,158 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044494572] [2021-07-09 17:55:10,158 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-09 17:55:10,158 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:10,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-09 17:55:10,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2021-07-09 17:55:10,159 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) [2021-07-09 17:55:10,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:10,470 INFO L93 Difference]: Finished difference Result 648 states and 1454 transitions. [2021-07-09 17:55:10,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-09 17:55:10,471 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 [2021-07-09 17:55:10,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:10,472 INFO L225 Difference]: With dead ends: 648 [2021-07-09 17:55:10,473 INFO L226 Difference]: Without dead ends: 636 [2021-07-09 17:55:10,473 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 266.2ms TimeCoverageRelationStatistics Valid=235, Invalid=695, Unknown=0, NotChecked=0, Total=930 [2021-07-09 17:55:10,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2021-07-09 17:55:10,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 426. [2021-07-09 17:55:10,480 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) [2021-07-09 17:55:10,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 1036 transitions. [2021-07-09 17:55:10,481 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 1036 transitions. Word has length 24 [2021-07-09 17:55:10,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:10,481 INFO L482 AbstractCegarLoop]: Abstraction has 426 states and 1036 transitions. [2021-07-09 17:55:10,481 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) [2021-07-09 17:55:10,481 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 1036 transitions. [2021-07-09 17:55:10,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-07-09 17:55:10,482 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:10,482 INFO L508 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:10,697 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2021-07-09 17:55:10,697 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:10,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:10,697 INFO L82 PathProgramCache]: Analyzing trace with hash -1709303038, now seen corresponding path program 19 times [2021-07-09 17:55:10,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:10,697 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371006304] [2021-07-09 17:55:10,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:10,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:10,737 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:10,737 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:10,737 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371006304] [2021-07-09 17:55:10,737 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371006304] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:10,737 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1932542683] [2021-07-09 17:55:10,738 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 [2021-07-09 17:55:10,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:10,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-09 17:55:10,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:10,878 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:10,878 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1932542683] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:10,878 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:10,878 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 15 [2021-07-09 17:55:10,878 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456639291] [2021-07-09 17:55:10,879 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-09 17:55:10,879 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:10,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-09 17:55:10,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2021-07-09 17:55:10,881 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) [2021-07-09 17:55:11,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:11,264 INFO L93 Difference]: Finished difference Result 690 states and 1541 transitions. [2021-07-09 17:55:11,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 17:55:11,264 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 [2021-07-09 17:55:11,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:11,266 INFO L225 Difference]: With dead ends: 690 [2021-07-09 17:55:11,266 INFO L226 Difference]: Without dead ends: 676 [2021-07-09 17:55:11,267 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 375 ImplicationChecksByTransitivity, 363.0ms TimeCoverageRelationStatistics Valid=382, Invalid=1100, Unknown=0, NotChecked=0, Total=1482 [2021-07-09 17:55:11,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2021-07-09 17:55:11,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 412. [2021-07-09 17:55:11,274 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) [2021-07-09 17:55:11,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 994 transitions. [2021-07-09 17:55:11,274 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 994 transitions. Word has length 24 [2021-07-09 17:55:11,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:11,275 INFO L482 AbstractCegarLoop]: Abstraction has 412 states and 994 transitions. [2021-07-09 17:55:11,275 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) [2021-07-09 17:55:11,275 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 994 transitions. [2021-07-09 17:55:11,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-07-09 17:55:11,276 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:11,276 INFO L508 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:11,489 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:55:11,489 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:11,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:11,489 INFO L82 PathProgramCache]: Analyzing trace with hash 919841334, now seen corresponding path program 20 times [2021-07-09 17:55:11,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:11,489 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966968387] [2021-07-09 17:55:11,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:11,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:11,540 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:55:11,540 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:11,540 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966968387] [2021-07-09 17:55:11,540 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966968387] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:11,540 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1895486129] [2021-07-09 17:55:11,540 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 [2021-07-09 17:55:11,584 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 17:55:11,584 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:55:11,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-09 17:55:11,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:11,681 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:11,681 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1895486129] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:11,681 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:11,681 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-07-09 17:55:11,681 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345094889] [2021-07-09 17:55:11,681 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-09 17:55:11,681 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:11,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-09 17:55:11,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2021-07-09 17:55:11,686 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) [2021-07-09 17:55:12,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:12,131 INFO L93 Difference]: Finished difference Result 791 states and 1734 transitions. [2021-07-09 17:55:12,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-09 17:55:12,132 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 [2021-07-09 17:55:12,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:12,134 INFO L225 Difference]: With dead ends: 791 [2021-07-09 17:55:12,135 INFO L226 Difference]: Without dead ends: 791 [2021-07-09 17:55:12,135 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 361 ImplicationChecksByTransitivity, 367.6ms TimeCoverageRelationStatistics Valid=414, Invalid=1068, Unknown=0, NotChecked=0, Total=1482 [2021-07-09 17:55:12,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 791 states. [2021-07-09 17:55:12,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 791 to 429. [2021-07-09 17:55:12,143 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) [2021-07-09 17:55:12,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 1026 transitions. [2021-07-09 17:55:12,143 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 1026 transitions. Word has length 24 [2021-07-09 17:55:12,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:12,144 INFO L482 AbstractCegarLoop]: Abstraction has 429 states and 1026 transitions. [2021-07-09 17:55:12,144 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) [2021-07-09 17:55:12,144 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 1026 transitions. [2021-07-09 17:55:12,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-07-09 17:55:12,145 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:12,145 INFO L508 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:12,360 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2021-07-09 17:55:12,361 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:12,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:12,361 INFO L82 PathProgramCache]: Analyzing trace with hash 2005876850, now seen corresponding path program 21 times [2021-07-09 17:55:12,361 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:12,361 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697273362] [2021-07-09 17:55:12,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:12,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:12,400 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:55:12,400 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:12,400 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697273362] [2021-07-09 17:55:12,400 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697273362] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:12,400 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1304238469] [2021-07-09 17:55:12,400 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 [2021-07-09 17:55:12,423 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-09 17:55:12,423 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:55:12,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-09 17:55:12,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:12,539 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:12,539 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1304238469] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:12,539 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:12,539 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 15 [2021-07-09 17:55:12,540 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217840989] [2021-07-09 17:55:12,540 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-09 17:55:12,540 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:12,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-09 17:55:12,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2021-07-09 17:55:12,540 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) [2021-07-09 17:55:12,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:12,912 INFO L93 Difference]: Finished difference Result 588 states and 1296 transitions. [2021-07-09 17:55:12,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 17:55:12,912 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 [2021-07-09 17:55:12,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:12,914 INFO L225 Difference]: With dead ends: 588 [2021-07-09 17:55:12,914 INFO L226 Difference]: Without dead ends: 570 [2021-07-09 17:55:12,914 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 307 ImplicationChecksByTransitivity, 311.2ms TimeCoverageRelationStatistics Valid=286, Invalid=904, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 17:55:12,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2021-07-09 17:55:12,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 423. [2021-07-09 17:55:12,920 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) [2021-07-09 17:55:12,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 1012 transitions. [2021-07-09 17:55:12,921 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 1012 transitions. Word has length 24 [2021-07-09 17:55:12,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:12,921 INFO L482 AbstractCegarLoop]: Abstraction has 423 states and 1012 transitions. [2021-07-09 17:55:12,921 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) [2021-07-09 17:55:12,921 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 1012 transitions. [2021-07-09 17:55:12,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-07-09 17:55:12,922 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:12,922 INFO L508 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:13,137 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2021-07-09 17:55:13,137 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:13,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:13,137 INFO L82 PathProgramCache]: Analyzing trace with hash 198787894, now seen corresponding path program 22 times [2021-07-09 17:55:13,137 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:13,137 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112069177] [2021-07-09 17:55:13,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:13,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:13,181 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:55:13,181 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:13,181 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112069177] [2021-07-09 17:55:13,181 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112069177] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:13,181 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1875249508] [2021-07-09 17:55:13,181 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 [2021-07-09 17:55:13,211 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-09 17:55:13,212 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:55:13,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-09 17:55:13,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:13,309 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:13,309 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1875249508] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:13,309 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:13,309 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 15 [2021-07-09 17:55:13,310 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024144595] [2021-07-09 17:55:13,310 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-09 17:55:13,310 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:13,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-09 17:55:13,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2021-07-09 17:55:13,310 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) [2021-07-09 17:55:13,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:13,801 INFO L93 Difference]: Finished difference Result 898 states and 2037 transitions. [2021-07-09 17:55:13,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 17:55:13,801 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 [2021-07-09 17:55:13,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:13,804 INFO L225 Difference]: With dead ends: 898 [2021-07-09 17:55:13,804 INFO L226 Difference]: Without dead ends: 898 [2021-07-09 17:55:13,805 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 490 ImplicationChecksByTransitivity, 426.0ms TimeCoverageRelationStatistics Valid=520, Invalid=1202, Unknown=0, NotChecked=0, Total=1722 [2021-07-09 17:55:13,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2021-07-09 17:55:13,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 622. [2021-07-09 17:55:13,814 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) [2021-07-09 17:55:13,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 1529 transitions. [2021-07-09 17:55:13,815 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 1529 transitions. Word has length 24 [2021-07-09 17:55:13,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:13,815 INFO L482 AbstractCegarLoop]: Abstraction has 622 states and 1529 transitions. [2021-07-09 17:55:13,815 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) [2021-07-09 17:55:13,815 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 1529 transitions. [2021-07-09 17:55:13,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-07-09 17:55:13,816 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:13,816 INFO L508 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:14,032 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:55:14,033 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:14,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:14,033 INFO L82 PathProgramCache]: Analyzing trace with hash -1747232740, now seen corresponding path program 23 times [2021-07-09 17:55:14,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:14,033 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001854155] [2021-07-09 17:55:14,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:14,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:14,068 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:55:14,068 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:14,068 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001854155] [2021-07-09 17:55:14,068 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001854155] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:14,068 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [360018888] [2021-07-09 17:55:14,068 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 [2021-07-09 17:55:14,105 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-09 17:55:14,105 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:55:14,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-09 17:55:14,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:14,215 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:14,215 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [360018888] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:14,215 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:14,215 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 14 [2021-07-09 17:55:14,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394307828] [2021-07-09 17:55:14,216 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-09 17:55:14,216 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:14,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-09 17:55:14,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2021-07-09 17:55:14,216 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) [2021-07-09 17:55:14,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:14,546 INFO L93 Difference]: Finished difference Result 871 states and 1982 transitions. [2021-07-09 17:55:14,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-09 17:55:14,547 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 [2021-07-09 17:55:14,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:14,549 INFO L225 Difference]: With dead ends: 871 [2021-07-09 17:55:14,549 INFO L226 Difference]: Without dead ends: 867 [2021-07-09 17:55:14,549 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293 ImplicationChecksByTransitivity, 295.6ms TimeCoverageRelationStatistics Valid=342, Invalid=848, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 17:55:14,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 867 states. [2021-07-09 17:55:14,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 867 to 622. [2021-07-09 17:55:14,562 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) [2021-07-09 17:55:14,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 1525 transitions. [2021-07-09 17:55:14,563 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 1525 transitions. Word has length 24 [2021-07-09 17:55:14,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:14,563 INFO L482 AbstractCegarLoop]: Abstraction has 622 states and 1525 transitions. [2021-07-09 17:55:14,563 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) [2021-07-09 17:55:14,563 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 1525 transitions. [2021-07-09 17:55:14,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-07-09 17:55:14,564 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:14,565 INFO L508 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:14,782 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-07-09 17:55:14,782 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:14,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:14,782 INFO L82 PathProgramCache]: Analyzing trace with hash 2041388290, now seen corresponding path program 24 times [2021-07-09 17:55:14,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:14,782 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658379973] [2021-07-09 17:55:14,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:14,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:14,823 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:55:14,823 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:14,823 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658379973] [2021-07-09 17:55:14,823 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658379973] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:14,823 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1693277702] [2021-07-09 17:55:14,823 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-07-09 17:55:14,862 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-09 17:55:14,862 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:55:14,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-09 17:55:14,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:14,967 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:14,967 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1693277702] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:14,967 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:14,967 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 15 [2021-07-09 17:55:14,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160212232] [2021-07-09 17:55:14,967 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-09 17:55:14,967 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:14,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-09 17:55:14,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2021-07-09 17:55:14,968 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) [2021-07-09 17:55:15,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:15,332 INFO L93 Difference]: Finished difference Result 948 states and 2156 transitions. [2021-07-09 17:55:15,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-09 17:55:15,332 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 [2021-07-09 17:55:15,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:15,335 INFO L225 Difference]: With dead ends: 948 [2021-07-09 17:55:15,335 INFO L226 Difference]: Without dead ends: 936 [2021-07-09 17:55:15,336 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 341 ImplicationChecksByTransitivity, 329.3ms TimeCoverageRelationStatistics Valid=355, Invalid=977, Unknown=0, NotChecked=0, Total=1332 [2021-07-09 17:55:15,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2021-07-09 17:55:15,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 675. [2021-07-09 17:55:15,345 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) [2021-07-09 17:55:15,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 675 states and 1659 transitions. [2021-07-09 17:55:15,346 INFO L78 Accepts]: Start accepts. Automaton has 675 states and 1659 transitions. Word has length 24 [2021-07-09 17:55:15,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:15,346 INFO L482 AbstractCegarLoop]: Abstraction has 675 states and 1659 transitions. [2021-07-09 17:55:15,346 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) [2021-07-09 17:55:15,347 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 1659 transitions. [2021-07-09 17:55:15,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-07-09 17:55:15,348 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:15,348 INFO L508 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:15,563 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:55:15,563 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:15,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:15,564 INFO L82 PathProgramCache]: Analyzing trace with hash 1814166910, now seen corresponding path program 25 times [2021-07-09 17:55:15,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:15,564 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346285752] [2021-07-09 17:55:15,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:15,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:15,609 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:15,609 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:15,609 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346285752] [2021-07-09 17:55:15,609 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346285752] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:15,609 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [251055154] [2021-07-09 17:55:15,609 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 [2021-07-09 17:55:15,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:15,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-09 17:55:15,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:15,731 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:15,732 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [251055154] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:15,732 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:15,732 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-07-09 17:55:15,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119450032] [2021-07-09 17:55:15,732 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-09 17:55:15,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:15,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-09 17:55:15,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2021-07-09 17:55:15,733 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) [2021-07-09 17:55:16,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:16,137 INFO L93 Difference]: Finished difference Result 948 states and 2180 transitions. [2021-07-09 17:55:16,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 17:55:16,137 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 [2021-07-09 17:55:16,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:16,140 INFO L225 Difference]: With dead ends: 948 [2021-07-09 17:55:16,140 INFO L226 Difference]: Without dead ends: 928 [2021-07-09 17:55:16,140 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 442 ImplicationChecksByTransitivity, 370.4ms TimeCoverageRelationStatistics Valid=419, Invalid=1221, Unknown=0, NotChecked=0, Total=1640 [2021-07-09 17:55:16,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 928 states. [2021-07-09 17:55:16,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 928 to 699. [2021-07-09 17:55:16,149 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) [2021-07-09 17:55:16,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 1725 transitions. [2021-07-09 17:55:16,151 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 1725 transitions. Word has length 24 [2021-07-09 17:55:16,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:16,151 INFO L482 AbstractCegarLoop]: Abstraction has 699 states and 1725 transitions. [2021-07-09 17:55:16,151 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) [2021-07-09 17:55:16,151 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 1725 transitions. [2021-07-09 17:55:16,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-07-09 17:55:16,152 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:16,152 INFO L508 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:16,367 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2021-07-09 17:55:16,368 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:16,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:16,368 INFO L82 PathProgramCache]: Analyzing trace with hash 1660693108, now seen corresponding path program 26 times [2021-07-09 17:55:16,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:16,368 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979149965] [2021-07-09 17:55:16,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:16,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:16,389 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:16,389 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:16,389 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979149965] [2021-07-09 17:55:16,389 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979149965] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:16,389 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1893583589] [2021-07-09 17:55:16,389 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 [2021-07-09 17:55:16,412 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 17:55:16,412 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:55:16,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 21 conjunts are in the unsatisfiable core [2021-07-09 17:55:16,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:16,458 INFO L354 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2021-07-09 17:55:16,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-09 17:55:16,460 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 17:55:16,478 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:55:16,479 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 17:55:16,479 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-07-09 17:55:16,653 INFO L354 Elim1Store]: treesize reduction 22, result has 12.0 percent of original size [2021-07-09 17:55:16,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-09 17:55:16,654 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 17:55:16,665 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:55:16,674 INFO L354 Elim1Store]: treesize reduction 22, result has 12.0 percent of original size [2021-07-09 17:55:16,674 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 [2021-07-09 17:55:16,675 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 17:55:16,684 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:55:16,697 INFO L354 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2021-07-09 17:55:16,697 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 [2021-07-09 17:55:16,699 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 17:55:16,704 INFO L628 ElimStorePlain]: treesize reduction 16, result has 15.8 percent of original size [2021-07-09 17:55:16,704 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 17:55:16,704 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:103, output treesize:3 [2021-07-09 17:55:16,708 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:16,708 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1893583589] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:16,708 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:16,708 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 11 [2021-07-09 17:55:16,709 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689310225] [2021-07-09 17:55:16,709 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-09 17:55:16,709 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:16,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-09 17:55:16,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-07-09 17:55:16,709 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) [2021-07-09 17:55:16,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:16,765 INFO L93 Difference]: Finished difference Result 1114 states and 2614 transitions. [2021-07-09 17:55:16,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 17:55:16,765 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 [2021-07-09 17:55:16,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:16,769 INFO L225 Difference]: With dead ends: 1114 [2021-07-09 17:55:16,769 INFO L226 Difference]: Without dead ends: 1107 [2021-07-09 17:55:16,769 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 23 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 104.2ms TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-07-09 17:55:16,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1107 states. [2021-07-09 17:55:16,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1107 to 866. [2021-07-09 17:55:16,788 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) [2021-07-09 17:55:16,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 866 states and 2159 transitions. [2021-07-09 17:55:16,790 INFO L78 Accepts]: Start accepts. Automaton has 866 states and 2159 transitions. Word has length 26 [2021-07-09 17:55:16,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:16,790 INFO L482 AbstractCegarLoop]: Abstraction has 866 states and 2159 transitions. [2021-07-09 17:55:16,790 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) [2021-07-09 17:55:16,790 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 2159 transitions. [2021-07-09 17:55:16,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-07-09 17:55:16,791 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:16,791 INFO L508 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:17,007 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2021-07-09 17:55:17,008 INFO L430 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:17,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:17,008 INFO L82 PathProgramCache]: Analyzing trace with hash -439799948, now seen corresponding path program 27 times [2021-07-09 17:55:17,008 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:17,008 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614155203] [2021-07-09 17:55:17,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:17,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:17,036 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-09 17:55:17,036 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:17,036 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614155203] [2021-07-09 17:55:17,036 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614155203] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:17,036 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1701504015] [2021-07-09 17:55:17,037 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 [2021-07-09 17:55:17,066 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-09 17:55:17,066 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:55:17,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 21 conjunts are in the unsatisfiable core [2021-07-09 17:55:17,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:17,152 INFO L354 Elim1Store]: treesize reduction 37, result has 44.8 percent of original size [2021-07-09 17:55:17,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 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 [2021-07-09 17:55:17,153 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 17:55:17,161 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:55:17,161 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 17:55:17,161 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:38 [2021-07-09 17:55:17,220 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-07-09 17:55:17,221 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 [2021-07-09 17:55:17,222 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 17:55:17,226 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-07-09 17:55:17,227 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 [2021-07-09 17:55:17,227 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 17:55:17,234 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-07-09 17:55:17,234 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 [2021-07-09 17:55:17,235 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 17:55:17,238 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-07-09 17:55:17,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 31 treesize of output 18 [2021-07-09 17:55:17,239 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 17:55:17,240 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:55:17,241 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 17:55:17,241 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:103, output treesize:3 [2021-07-09 17:55:17,251 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:55:17,251 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1701504015] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:17,251 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:17,251 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 11 [2021-07-09 17:55:17,251 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873196642] [2021-07-09 17:55:17,251 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-09 17:55:17,251 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:17,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-09 17:55:17,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-07-09 17:55:17,253 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) [2021-07-09 17:55:17,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:17,310 INFO L93 Difference]: Finished difference Result 1174 states and 2826 transitions. [2021-07-09 17:55:17,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 17:55:17,310 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 [2021-07-09 17:55:17,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:17,314 INFO L225 Difference]: With dead ends: 1174 [2021-07-09 17:55:17,314 INFO L226 Difference]: Without dead ends: 1158 [2021-07-09 17:55:17,315 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 55.1ms TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-07-09 17:55:17,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2021-07-09 17:55:17,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 972. [2021-07-09 17:55:17,328 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) [2021-07-09 17:55:17,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 972 states and 2459 transitions. [2021-07-09 17:55:17,330 INFO L78 Accepts]: Start accepts. Automaton has 972 states and 2459 transitions. Word has length 26 [2021-07-09 17:55:17,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:17,330 INFO L482 AbstractCegarLoop]: Abstraction has 972 states and 2459 transitions. [2021-07-09 17:55:17,330 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) [2021-07-09 17:55:17,330 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 2459 transitions. [2021-07-09 17:55:17,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-07-09 17:55:17,332 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:17,332 INFO L508 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:17,536 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2021-07-09 17:55:17,537 INFO L430 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:17,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:17,537 INFO L82 PathProgramCache]: Analyzing trace with hash -318369164, now seen corresponding path program 28 times [2021-07-09 17:55:17,537 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:17,537 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153599487] [2021-07-09 17:55:17,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:17,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:17,557 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-09 17:55:17,557 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:17,557 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153599487] [2021-07-09 17:55:17,557 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153599487] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:17,557 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1403404859] [2021-07-09 17:55:17,557 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 [2021-07-09 17:55:17,582 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-09 17:55:17,582 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:55:17,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 21 conjunts are in the unsatisfiable core [2021-07-09 17:55:17,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:17,636 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-07-09 17:55:17,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-09 17:55:17,640 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 17:55:17,646 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:55:17,647 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 17:55:17,647 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:53, output treesize:32 [2021-07-09 17:55:17,738 INFO L446 ElimStorePlain]: Different costs {1=[f], 3=[v_prenex_13]} [2021-07-09 17:55:17,741 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-07-09 17:55:17,741 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 [2021-07-09 17:55:17,743 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 17:55:17,746 INFO L628 ElimStorePlain]: treesize reduction 30, result has 9.1 percent of original size [2021-07-09 17:55:17,746 INFO L518 ElimStorePlain]: Eliminatee v_prenex_13 vanished before elimination [2021-07-09 17:55:17,747 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 17:55:17,747 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:45, output treesize:3 [2021-07-09 17:55:17,755 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:55:17,755 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1403404859] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:17,755 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:17,755 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 11 [2021-07-09 17:55:17,755 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987251856] [2021-07-09 17:55:17,756 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-09 17:55:17,756 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:17,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-09 17:55:17,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-07-09 17:55:17,756 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) [2021-07-09 17:55:17,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:17,861 INFO L93 Difference]: Finished difference Result 1360 states and 3305 transitions. [2021-07-09 17:55:17,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 17:55:17,861 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 [2021-07-09 17:55:17,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:17,871 INFO L225 Difference]: With dead ends: 1360 [2021-07-09 17:55:17,871 INFO L226 Difference]: Without dead ends: 1335 [2021-07-09 17:55:17,871 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 82.8ms TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-07-09 17:55:17,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1335 states. [2021-07-09 17:55:17,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1335 to 1089. [2021-07-09 17:55:17,886 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) [2021-07-09 17:55:17,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 1089 states and 2783 transitions. [2021-07-09 17:55:17,889 INFO L78 Accepts]: Start accepts. Automaton has 1089 states and 2783 transitions. Word has length 26 [2021-07-09 17:55:17,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:17,889 INFO L482 AbstractCegarLoop]: Abstraction has 1089 states and 2783 transitions. [2021-07-09 17:55:17,889 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) [2021-07-09 17:55:17,889 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 2783 transitions. [2021-07-09 17:55:17,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-07-09 17:55:17,891 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:17,891 INFO L508 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:18,106 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:55:18,107 INFO L430 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:18,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:18,107 INFO L82 PathProgramCache]: Analyzing trace with hash 412497268, now seen corresponding path program 29 times [2021-07-09 17:55:18,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:18,107 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482146756] [2021-07-09 17:55:18,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:18,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:18,140 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-09 17:55:18,141 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:18,141 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482146756] [2021-07-09 17:55:18,141 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482146756] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:18,141 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1974796166] [2021-07-09 17:55:18,141 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 [2021-07-09 17:55:18,164 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-09 17:55:18,164 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:55:18,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 21 conjunts are in the unsatisfiable core [2021-07-09 17:55:18,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:18,210 INFO L354 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2021-07-09 17:55:18,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-09 17:55:18,211 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 17:55:18,218 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:55:18,219 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 17:55:18,219 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-07-09 17:55:18,407 INFO L354 Elim1Store]: treesize reduction 22, result has 12.0 percent of original size [2021-07-09 17:55:18,408 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 [2021-07-09 17:55:18,409 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 17:55:18,424 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:55:18,437 INFO L354 Elim1Store]: treesize reduction 22, result has 12.0 percent of original size [2021-07-09 17:55:18,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-09 17:55:18,439 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 17:55:18,450 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:55:18,464 INFO L354 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2021-07-09 17:55:18,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-09 17:55:18,466 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 17:55:18,470 INFO L628 ElimStorePlain]: treesize reduction 16, result has 15.8 percent of original size [2021-07-09 17:55:18,471 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 17:55:18,471 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:103, output treesize:3 [2021-07-09 17:55:18,479 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-09 17:55:18,479 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1974796166] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:18,479 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:18,479 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 11 [2021-07-09 17:55:18,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547273015] [2021-07-09 17:55:18,479 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-09 17:55:18,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:18,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-09 17:55:18,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-07-09 17:55:18,480 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) [2021-07-09 17:55:18,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:18,567 INFO L93 Difference]: Finished difference Result 1527 states and 3735 transitions. [2021-07-09 17:55:18,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 17:55:18,568 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 [2021-07-09 17:55:18,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:18,572 INFO L225 Difference]: With dead ends: 1527 [2021-07-09 17:55:18,572 INFO L226 Difference]: Without dead ends: 1520 [2021-07-09 17:55:18,573 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 23 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 113.7ms TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-07-09 17:55:18,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1520 states. [2021-07-09 17:55:18,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1520 to 1225. [2021-07-09 17:55:18,590 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) [2021-07-09 17:55:18,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1225 states to 1225 states and 3156 transitions. [2021-07-09 17:55:18,592 INFO L78 Accepts]: Start accepts. Automaton has 1225 states and 3156 transitions. Word has length 26 [2021-07-09 17:55:18,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:18,593 INFO L482 AbstractCegarLoop]: Abstraction has 1225 states and 3156 transitions. [2021-07-09 17:55:18,593 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) [2021-07-09 17:55:18,593 INFO L276 IsEmpty]: Start isEmpty. Operand 1225 states and 3156 transitions. [2021-07-09 17:55:18,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-07-09 17:55:18,594 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:18,595 INFO L508 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:18,810 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2021-07-09 17:55:18,811 INFO L430 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:18,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:18,811 INFO L82 PathProgramCache]: Analyzing trace with hash -1387752458, now seen corresponding path program 30 times [2021-07-09 17:55:18,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:18,811 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514661008] [2021-07-09 17:55:18,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:18,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:18,890 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:18,890 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:18,890 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514661008] [2021-07-09 17:55:18,890 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514661008] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:18,890 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1806801336] [2021-07-09 17:55:18,890 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 [2021-07-09 17:55:18,925 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-09 17:55:18,925 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:55:18,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-09 17:55:18,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:19,081 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:19,081 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1806801336] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:19,081 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:19,081 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 21 [2021-07-09 17:55:19,082 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618992706] [2021-07-09 17:55:19,082 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-09 17:55:19,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:19,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-09 17:55:19,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=365, Unknown=0, NotChecked=0, Total=462 [2021-07-09 17:55:19,082 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) [2021-07-09 17:55:19,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:19,741 INFO L93 Difference]: Finished difference Result 1761 states and 4199 transitions. [2021-07-09 17:55:19,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-09 17:55:19,741 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 [2021-07-09 17:55:19,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:19,746 INFO L225 Difference]: With dead ends: 1761 [2021-07-09 17:55:19,746 INFO L226 Difference]: Without dead ends: 1761 [2021-07-09 17:55:19,747 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 659 ImplicationChecksByTransitivity, 606.6ms TimeCoverageRelationStatistics Valid=757, Invalid=2105, Unknown=0, NotChecked=0, Total=2862 [2021-07-09 17:55:19,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1761 states. [2021-07-09 17:55:19,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1761 to 1090. [2021-07-09 17:55:19,761 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) [2021-07-09 17:55:19,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 1090 states and 2791 transitions. [2021-07-09 17:55:19,763 INFO L78 Accepts]: Start accepts. Automaton has 1090 states and 2791 transitions. Word has length 28 [2021-07-09 17:55:19,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:19,763 INFO L482 AbstractCegarLoop]: Abstraction has 1090 states and 2791 transitions. [2021-07-09 17:55:19,763 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) [2021-07-09 17:55:19,763 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 2791 transitions. [2021-07-09 17:55:19,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-07-09 17:55:19,765 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:19,765 INFO L508 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:19,980 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:55:19,981 INFO L430 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:19,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:19,981 INFO L82 PathProgramCache]: Analyzing trace with hash 1570155570, now seen corresponding path program 31 times [2021-07-09 17:55:19,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:19,981 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971258169] [2021-07-09 17:55:19,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:19,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:20,056 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:20,056 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:20,056 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971258169] [2021-07-09 17:55:20,056 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971258169] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:20,056 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1846904866] [2021-07-09 17:55:20,056 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 [2021-07-09 17:55:20,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:20,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-09 17:55:20,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:20,251 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:20,252 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1846904866] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:20,252 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:20,252 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-07-09 17:55:20,252 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450842130] [2021-07-09 17:55:20,252 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-09 17:55:20,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:20,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-09 17:55:20,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2021-07-09 17:55:20,253 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) [2021-07-09 17:55:21,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:21,150 INFO L93 Difference]: Finished difference Result 2078 states and 4785 transitions. [2021-07-09 17:55:21,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-09 17:55:21,151 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 [2021-07-09 17:55:21,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:21,156 INFO L225 Difference]: With dead ends: 2078 [2021-07-09 17:55:21,156 INFO L226 Difference]: Without dead ends: 2007 [2021-07-09 17:55:21,157 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1149 ImplicationChecksByTransitivity, 832.8ms TimeCoverageRelationStatistics Valid=946, Invalid=3086, Unknown=0, NotChecked=0, Total=4032 [2021-07-09 17:55:21,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2007 states. [2021-07-09 17:55:21,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2007 to 1154. [2021-07-09 17:55:21,176 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) [2021-07-09 17:55:21,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 1154 states and 2938 transitions. [2021-07-09 17:55:21,178 INFO L78 Accepts]: Start accepts. Automaton has 1154 states and 2938 transitions. Word has length 28 [2021-07-09 17:55:21,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:21,178 INFO L482 AbstractCegarLoop]: Abstraction has 1154 states and 2938 transitions. [2021-07-09 17:55:21,178 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) [2021-07-09 17:55:21,178 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 2938 transitions. [2021-07-09 17:55:21,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-07-09 17:55:21,179 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:21,180 INFO L508 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:21,391 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63,32 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:55:21,392 INFO L430 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:21,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:21,392 INFO L82 PathProgramCache]: Analyzing trace with hash -1031109750, now seen corresponding path program 32 times [2021-07-09 17:55:21,392 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:21,392 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392071203] [2021-07-09 17:55:21,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:21,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:21,434 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:21,434 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:21,434 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392071203] [2021-07-09 17:55:21,434 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392071203] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:21,434 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1936887000] [2021-07-09 17:55:21,434 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 [2021-07-09 17:55:21,457 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 17:55:21,457 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:55:21,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-09 17:55:21,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:21,592 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:21,593 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1936887000] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:21,593 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:21,593 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 17 [2021-07-09 17:55:21,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505254495] [2021-07-09 17:55:21,593 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-09 17:55:21,593 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:21,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-09 17:55:21,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2021-07-09 17:55:21,594 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) [2021-07-09 17:55:22,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:22,332 INFO L93 Difference]: Finished difference Result 2302 states and 5553 transitions. [2021-07-09 17:55:22,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-09 17:55:22,332 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 [2021-07-09 17:55:22,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:22,336 INFO L225 Difference]: With dead ends: 2302 [2021-07-09 17:55:22,336 INFO L226 Difference]: Without dead ends: 2294 [2021-07-09 17:55:22,337 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 858 ImplicationChecksByTransitivity, 645.1ms TimeCoverageRelationStatistics Valid=836, Invalid=2134, Unknown=0, NotChecked=0, Total=2970 [2021-07-09 17:55:22,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2294 states. [2021-07-09 17:55:22,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2294 to 1436. [2021-07-09 17:55:22,356 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) [2021-07-09 17:55:22,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1436 states to 1436 states and 3658 transitions. [2021-07-09 17:55:22,358 INFO L78 Accepts]: Start accepts. Automaton has 1436 states and 3658 transitions. Word has length 28 [2021-07-09 17:55:22,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:22,359 INFO L482 AbstractCegarLoop]: Abstraction has 1436 states and 3658 transitions. [2021-07-09 17:55:22,359 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) [2021-07-09 17:55:22,359 INFO L276 IsEmpty]: Start isEmpty. Operand 1436 states and 3658 transitions. [2021-07-09 17:55:22,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-07-09 17:55:22,360 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:22,360 INFO L508 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:22,576 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable64 [2021-07-09 17:55:22,576 INFO L430 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:22,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:22,577 INFO L82 PathProgramCache]: Analyzing trace with hash 1879959464, now seen corresponding path program 33 times [2021-07-09 17:55:22,577 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:22,577 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204127676] [2021-07-09 17:55:22,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:22,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:22,618 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:22,618 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:22,619 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204127676] [2021-07-09 17:55:22,619 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204127676] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:22,619 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1096139853] [2021-07-09 17:55:22,619 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 [2021-07-09 17:55:22,643 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-07-09 17:55:22,644 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:55:22,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-09 17:55:22,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:22,794 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:22,794 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1096139853] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:22,794 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:22,794 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 17 [2021-07-09 17:55:22,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717901198] [2021-07-09 17:55:22,795 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-09 17:55:22,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:22,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-09 17:55:22,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2021-07-09 17:55:22,795 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) [2021-07-09 17:55:23,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:23,423 INFO L93 Difference]: Finished difference Result 1661 states and 4081 transitions. [2021-07-09 17:55:23,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 17:55:23,424 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 [2021-07-09 17:55:23,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:23,427 INFO L225 Difference]: With dead ends: 1661 [2021-07-09 17:55:23,427 INFO L226 Difference]: Without dead ends: 1657 [2021-07-09 17:55:23,428 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 661 ImplicationChecksByTransitivity, 599.9ms TimeCoverageRelationStatistics Valid=647, Invalid=1903, Unknown=0, NotChecked=0, Total=2550 [2021-07-09 17:55:23,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1657 states. [2021-07-09 17:55:23,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1657 to 1436. [2021-07-09 17:55:23,454 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) [2021-07-09 17:55:23,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1436 states to 1436 states and 3656 transitions. [2021-07-09 17:55:23,457 INFO L78 Accepts]: Start accepts. Automaton has 1436 states and 3656 transitions. Word has length 28 [2021-07-09 17:55:23,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:23,457 INFO L482 AbstractCegarLoop]: Abstraction has 1436 states and 3656 transitions. [2021-07-09 17:55:23,457 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) [2021-07-09 17:55:23,457 INFO L276 IsEmpty]: Start isEmpty. Operand 1436 states and 3656 transitions. [2021-07-09 17:55:23,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-07-09 17:55:23,458 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:23,458 INFO L508 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:23,669 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65,34 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:55:23,669 INFO L430 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:23,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:23,669 INFO L82 PathProgramCache]: Analyzing trace with hash 1630957874, now seen corresponding path program 34 times [2021-07-09 17:55:23,669 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:23,670 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62290558] [2021-07-09 17:55:23,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:23,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:23,708 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:55:23,709 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:23,709 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62290558] [2021-07-09 17:55:23,709 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62290558] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:23,709 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1997122665] [2021-07-09 17:55:23,709 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 [2021-07-09 17:55:23,732 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-09 17:55:23,733 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:55:23,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-09 17:55:23,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:23,861 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:23,861 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1997122665] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:23,861 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:23,862 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 17 [2021-07-09 17:55:23,862 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869739455] [2021-07-09 17:55:23,862 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-09 17:55:23,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:23,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-09 17:55:23,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2021-07-09 17:55:23,862 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) [2021-07-09 17:55:24,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:24,360 INFO L93 Difference]: Finished difference Result 2041 states and 4979 transitions. [2021-07-09 17:55:24,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-09 17:55:24,361 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 [2021-07-09 17:55:24,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:24,364 INFO L225 Difference]: With dead ends: 2041 [2021-07-09 17:55:24,364 INFO L226 Difference]: Without dead ends: 2026 [2021-07-09 17:55:24,364 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 433 ImplicationChecksByTransitivity, 403.1ms TimeCoverageRelationStatistics Valid=421, Invalid=1301, Unknown=0, NotChecked=0, Total=1722 [2021-07-09 17:55:24,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2026 states. [2021-07-09 17:55:24,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2026 to 1482. [2021-07-09 17:55:24,383 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) [2021-07-09 17:55:24,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1482 states to 1482 states and 3781 transitions. [2021-07-09 17:55:24,385 INFO L78 Accepts]: Start accepts. Automaton has 1482 states and 3781 transitions. Word has length 28 [2021-07-09 17:55:24,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:24,386 INFO L482 AbstractCegarLoop]: Abstraction has 1482 states and 3781 transitions. [2021-07-09 17:55:24,386 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) [2021-07-09 17:55:24,386 INFO L276 IsEmpty]: Start isEmpty. Operand 1482 states and 3781 transitions. [2021-07-09 17:55:24,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-07-09 17:55:24,387 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:24,388 INFO L508 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:24,598 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable66 [2021-07-09 17:55:24,598 INFO L430 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:24,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:24,598 INFO L82 PathProgramCache]: Analyzing trace with hash -1524214334, now seen corresponding path program 35 times [2021-07-09 17:55:24,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:24,599 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136626798] [2021-07-09 17:55:24,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:24,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:24,646 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:24,646 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:24,646 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136626798] [2021-07-09 17:55:24,646 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136626798] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:24,646 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [793673725] [2021-07-09 17:55:24,646 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 [2021-07-09 17:55:24,673 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-07-09 17:55:24,673 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:55:24,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-09 17:55:24,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:24,807 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:24,807 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [793673725] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:24,807 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:24,807 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11] total 18 [2021-07-09 17:55:24,807 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310150325] [2021-07-09 17:55:24,807 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-09 17:55:24,807 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:24,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-09 17:55:24,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2021-07-09 17:55:24,808 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) [2021-07-09 17:55:25,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:25,451 INFO L93 Difference]: Finished difference Result 1955 states and 4722 transitions. [2021-07-09 17:55:25,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-09 17:55:25,451 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 [2021-07-09 17:55:25,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:25,454 INFO L225 Difference]: With dead ends: 1955 [2021-07-09 17:55:25,454 INFO L226 Difference]: Without dead ends: 1941 [2021-07-09 17:55:25,455 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 764 ImplicationChecksByTransitivity, 585.7ms TimeCoverageRelationStatistics Valid=680, Invalid=2076, Unknown=0, NotChecked=0, Total=2756 [2021-07-09 17:55:25,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1941 states. [2021-07-09 17:55:25,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1941 to 1492. [2021-07-09 17:55:25,472 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) [2021-07-09 17:55:25,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1492 states to 1492 states and 3804 transitions. [2021-07-09 17:55:25,474 INFO L78 Accepts]: Start accepts. Automaton has 1492 states and 3804 transitions. Word has length 28 [2021-07-09 17:55:25,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:25,474 INFO L482 AbstractCegarLoop]: Abstraction has 1492 states and 3804 transitions. [2021-07-09 17:55:25,474 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) [2021-07-09 17:55:25,474 INFO L276 IsEmpty]: Start isEmpty. Operand 1492 states and 3804 transitions. [2021-07-09 17:55:25,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-07-09 17:55:25,476 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:25,476 INFO L508 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:25,688 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:55:25,689 INFO L430 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:25,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:25,689 INFO L82 PathProgramCache]: Analyzing trace with hash -1020569282, now seen corresponding path program 36 times [2021-07-09 17:55:25,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:25,689 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692394056] [2021-07-09 17:55:25,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:25,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:25,740 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:25,740 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:25,740 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692394056] [2021-07-09 17:55:25,741 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692394056] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:25,741 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1336689573] [2021-07-09 17:55:25,741 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 [2021-07-09 17:55:25,764 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-09 17:55:25,765 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:55:25,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-09 17:55:25,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:25,916 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:25,916 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1336689573] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:25,916 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:25,916 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 19 [2021-07-09 17:55:25,916 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697720099] [2021-07-09 17:55:25,916 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-09 17:55:25,916 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:25,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-09 17:55:25,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=301, Unknown=0, NotChecked=0, Total=380 [2021-07-09 17:55:25,917 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) [2021-07-09 17:55:26,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:26,596 INFO L93 Difference]: Finished difference Result 2120 states and 5066 transitions. [2021-07-09 17:55:26,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-09 17:55:26,596 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 [2021-07-09 17:55:26,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:26,599 INFO L225 Difference]: With dead ends: 2120 [2021-07-09 17:55:26,628 INFO L226 Difference]: Without dead ends: 2094 [2021-07-09 17:55:26,629 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 878 ImplicationChecksByTransitivity, 611.9ms TimeCoverageRelationStatistics Valid=724, Invalid=2246, Unknown=0, NotChecked=0, Total=2970 [2021-07-09 17:55:26,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2094 states. [2021-07-09 17:55:26,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2094 to 1363. [2021-07-09 17:55:26,647 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) [2021-07-09 17:55:26,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 1363 states and 3446 transitions. [2021-07-09 17:55:26,649 INFO L78 Accepts]: Start accepts. Automaton has 1363 states and 3446 transitions. Word has length 28 [2021-07-09 17:55:26,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:26,649 INFO L482 AbstractCegarLoop]: Abstraction has 1363 states and 3446 transitions. [2021-07-09 17:55:26,649 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) [2021-07-09 17:55:26,649 INFO L276 IsEmpty]: Start isEmpty. Operand 1363 states and 3446 transitions. [2021-07-09 17:55:26,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-07-09 17:55:26,651 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:26,651 INFO L508 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:26,856 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable68 [2021-07-09 17:55:26,857 INFO L430 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:26,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:26,857 INFO L82 PathProgramCache]: Analyzing trace with hash 873893366, now seen corresponding path program 37 times [2021-07-09 17:55:26,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:26,857 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998823584] [2021-07-09 17:55:26,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:26,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:26,915 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:55:26,916 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:26,916 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998823584] [2021-07-09 17:55:26,916 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998823584] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:26,916 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1010132810] [2021-07-09 17:55:26,916 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 [2021-07-09 17:55:26,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:26,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-09 17:55:26,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:27,069 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:27,069 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1010132810] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:27,069 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:27,069 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-07-09 17:55:27,070 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177183089] [2021-07-09 17:55:27,070 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-09 17:55:27,070 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:27,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-09 17:55:27,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=338, Unknown=0, NotChecked=0, Total=420 [2021-07-09 17:55:27,070 INFO L87 Difference]: Start difference. First operand 1363 states and 3446 transitions. Second operand has 21 states, 21 states have (on average 2.3333333333333335) internal successors, (49), 20 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 17:55:27,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:27,727 INFO L93 Difference]: Finished difference Result 2078 states and 4835 transitions. [2021-07-09 17:55:27,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 17:55:27,728 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 [2021-07-09 17:55:27,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:27,731 INFO L225 Difference]: With dead ends: 2078 [2021-07-09 17:55:27,731 INFO L226 Difference]: Without dead ends: 2078 [2021-07-09 17:55:27,732 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 739 ImplicationChecksByTransitivity, 585.3ms TimeCoverageRelationStatistics Valid=756, Invalid=2106, Unknown=0, NotChecked=0, Total=2862 [2021-07-09 17:55:27,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2078 states. [2021-07-09 17:55:27,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2078 to 1171. [2021-07-09 17:55:27,746 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) [2021-07-09 17:55:27,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1171 states to 1171 states and 2926 transitions. [2021-07-09 17:55:27,748 INFO L78 Accepts]: Start accepts. Automaton has 1171 states and 2926 transitions. Word has length 28 [2021-07-09 17:55:27,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:27,748 INFO L482 AbstractCegarLoop]: Abstraction has 1171 states and 2926 transitions. [2021-07-09 17:55:27,748 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) [2021-07-09 17:55:27,749 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2926 transitions. [2021-07-09 17:55:27,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-07-09 17:55:27,750 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:27,750 INFO L508 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:27,965 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable69 [2021-07-09 17:55:27,966 INFO L430 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:27,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:27,966 INFO L82 PathProgramCache]: Analyzing trace with hash 876971314, now seen corresponding path program 38 times [2021-07-09 17:55:27,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:27,966 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540166076] [2021-07-09 17:55:27,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:27,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:28,013 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:55:28,014 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:28,014 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540166076] [2021-07-09 17:55:28,014 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540166076] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:28,014 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1091011469] [2021-07-09 17:55:28,014 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 [2021-07-09 17:55:28,038 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 17:55:28,038 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:55:28,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-09 17:55:28,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:28,170 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:28,170 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1091011469] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:28,170 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:28,170 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 19 [2021-07-09 17:55:28,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698226226] [2021-07-09 17:55:28,170 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-09 17:55:28,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:28,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-09 17:55:28,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-07-09 17:55:28,171 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) [2021-07-09 17:55:28,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:28,801 INFO L93 Difference]: Finished difference Result 1575 states and 3659 transitions. [2021-07-09 17:55:28,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-09 17:55:28,801 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 [2021-07-09 17:55:28,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:28,804 INFO L225 Difference]: With dead ends: 1575 [2021-07-09 17:55:28,804 INFO L226 Difference]: Without dead ends: 1536 [2021-07-09 17:55:28,805 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 797 ImplicationChecksByTransitivity, 555.7ms TimeCoverageRelationStatistics Valid=599, Invalid=2053, Unknown=0, NotChecked=0, Total=2652 [2021-07-09 17:55:28,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1536 states. [2021-07-09 17:55:28,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1536 to 1078. [2021-07-09 17:55:28,819 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) [2021-07-09 17:55:28,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 1078 states and 2666 transitions. [2021-07-09 17:55:28,820 INFO L78 Accepts]: Start accepts. Automaton has 1078 states and 2666 transitions. Word has length 28 [2021-07-09 17:55:28,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:28,821 INFO L482 AbstractCegarLoop]: Abstraction has 1078 states and 2666 transitions. [2021-07-09 17:55:28,821 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) [2021-07-09 17:55:28,821 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 2666 transitions. [2021-07-09 17:55:28,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-07-09 17:55:28,822 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:28,822 INFO L508 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:29,037 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,39 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:55:29,037 INFO L430 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:29,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:29,037 INFO L82 PathProgramCache]: Analyzing trace with hash 706414582, now seen corresponding path program 39 times [2021-07-09 17:55:29,037 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:29,037 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40031986] [2021-07-09 17:55:29,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:29,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:29,103 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:55:29,103 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:29,103 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40031986] [2021-07-09 17:55:29,103 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40031986] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:29,104 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1221858065] [2021-07-09 17:55:29,104 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 [2021-07-09 17:55:29,137 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-09 17:55:29,137 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:55:29,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-09 17:55:29,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:29,263 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:29,264 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1221858065] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:29,264 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:29,264 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 19 [2021-07-09 17:55:29,264 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016483128] [2021-07-09 17:55:29,264 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-09 17:55:29,264 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:29,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-09 17:55:29,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-07-09 17:55:29,265 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) [2021-07-09 17:55:30,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:30,003 INFO L93 Difference]: Finished difference Result 1983 states and 4574 transitions. [2021-07-09 17:55:30,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-09 17:55:30,004 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 [2021-07-09 17:55:30,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:30,007 INFO L225 Difference]: With dead ends: 1983 [2021-07-09 17:55:30,007 INFO L226 Difference]: Without dead ends: 1983 [2021-07-09 17:55:30,007 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 953 ImplicationChecksByTransitivity, 641.2ms TimeCoverageRelationStatistics Valid=892, Invalid=2300, Unknown=0, NotChecked=0, Total=3192 [2021-07-09 17:55:30,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1983 states. [2021-07-09 17:55:30,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1983 to 1181. [2021-07-09 17:55:30,023 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) [2021-07-09 17:55:30,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1181 states to 1181 states and 2880 transitions. [2021-07-09 17:55:30,025 INFO L78 Accepts]: Start accepts. Automaton has 1181 states and 2880 transitions. Word has length 28 [2021-07-09 17:55:30,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:30,025 INFO L482 AbstractCegarLoop]: Abstraction has 1181 states and 2880 transitions. [2021-07-09 17:55:30,025 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) [2021-07-09 17:55:30,025 INFO L276 IsEmpty]: Start isEmpty. Operand 1181 states and 2880 transitions. [2021-07-09 17:55:30,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-07-09 17:55:30,026 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:30,026 INFO L508 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:30,236 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71,40 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:55:30,237 INFO L430 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:30,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:30,237 INFO L82 PathProgramCache]: Analyzing trace with hash 1792450098, now seen corresponding path program 40 times [2021-07-09 17:55:30,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:30,237 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656036476] [2021-07-09 17:55:30,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:30,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:30,279 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:55:30,279 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:30,280 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656036476] [2021-07-09 17:55:30,280 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656036476] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:30,280 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2036259017] [2021-07-09 17:55:30,280 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 [2021-07-09 17:55:30,304 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-09 17:55:30,304 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:55:30,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-09 17:55:30,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:30,439 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:30,440 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2036259017] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:30,440 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:30,440 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11] total 18 [2021-07-09 17:55:30,440 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107175512] [2021-07-09 17:55:30,440 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-09 17:55:30,440 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:30,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-09 17:55:30,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2021-07-09 17:55:30,440 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) [2021-07-09 17:55:31,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:31,006 INFO L93 Difference]: Finished difference Result 1515 states and 3517 transitions. [2021-07-09 17:55:31,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-09 17:55:31,007 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 [2021-07-09 17:55:31,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:31,008 INFO L225 Difference]: With dead ends: 1515 [2021-07-09 17:55:31,008 INFO L226 Difference]: Without dead ends: 1497 [2021-07-09 17:55:31,009 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 664 ImplicationChecksByTransitivity, 505.0ms TimeCoverageRelationStatistics Valid=519, Invalid=1737, Unknown=0, NotChecked=0, Total=2256 [2021-07-09 17:55:31,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1497 states. [2021-07-09 17:55:31,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1497 to 1209. [2021-07-09 17:55:31,023 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) [2021-07-09 17:55:31,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 1209 states and 2956 transitions. [2021-07-09 17:55:31,025 INFO L78 Accepts]: Start accepts. Automaton has 1209 states and 2956 transitions. Word has length 28 [2021-07-09 17:55:31,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:31,025 INFO L482 AbstractCegarLoop]: Abstraction has 1209 states and 2956 transitions. [2021-07-09 17:55:31,025 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) [2021-07-09 17:55:31,025 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 2956 transitions. [2021-07-09 17:55:31,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-07-09 17:55:31,026 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:31,026 INFO L508 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:31,240 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:55:31,241 INFO L430 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:31,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:31,241 INFO L82 PathProgramCache]: Analyzing trace with hash -352976394, now seen corresponding path program 41 times [2021-07-09 17:55:31,241 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:31,241 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297355444] [2021-07-09 17:55:31,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:31,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:31,287 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:55:31,287 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:31,287 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297355444] [2021-07-09 17:55:31,287 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297355444] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:31,287 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [620424084] [2021-07-09 17:55:31,287 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 [2021-07-09 17:55:31,311 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-07-09 17:55:31,312 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:55:31,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-09 17:55:31,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:31,446 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:31,446 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [620424084] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:31,446 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:31,446 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11] total 18 [2021-07-09 17:55:31,446 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364664209] [2021-07-09 17:55:31,447 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-09 17:55:31,447 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:31,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-09 17:55:31,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=274, Unknown=0, NotChecked=0, Total=342 [2021-07-09 17:55:31,447 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) [2021-07-09 17:55:32,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:32,207 INFO L93 Difference]: Finished difference Result 2391 states and 5676 transitions. [2021-07-09 17:55:32,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-09 17:55:32,208 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 [2021-07-09 17:55:32,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:32,210 INFO L225 Difference]: With dead ends: 2391 [2021-07-09 17:55:32,211 INFO L226 Difference]: Without dead ends: 2391 [2021-07-09 17:55:32,211 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1207 ImplicationChecksByTransitivity, 681.0ms TimeCoverageRelationStatistics Valid=1080, Invalid=2580, Unknown=0, NotChecked=0, Total=3660 [2021-07-09 17:55:32,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2391 states. [2021-07-09 17:55:32,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2391 to 1853. [2021-07-09 17:55:32,231 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) [2021-07-09 17:55:32,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1853 states to 1853 states and 4630 transitions. [2021-07-09 17:55:32,234 INFO L78 Accepts]: Start accepts. Automaton has 1853 states and 4630 transitions. Word has length 28 [2021-07-09 17:55:32,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:32,234 INFO L482 AbstractCegarLoop]: Abstraction has 1853 states and 4630 transitions. [2021-07-09 17:55:32,234 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) [2021-07-09 17:55:32,234 INFO L276 IsEmpty]: Start isEmpty. Operand 1853 states and 4630 transitions. [2021-07-09 17:55:32,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-07-09 17:55:32,236 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:32,236 INFO L508 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:32,437 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73,42 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:55:32,437 INFO L430 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:32,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:32,437 INFO L82 PathProgramCache]: Analyzing trace with hash 1995970268, now seen corresponding path program 42 times [2021-07-09 17:55:32,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:32,437 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003563922] [2021-07-09 17:55:32,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:32,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:32,477 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:55:32,477 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:32,477 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003563922] [2021-07-09 17:55:32,477 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003563922] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:32,478 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1932301966] [2021-07-09 17:55:32,478 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 [2021-07-09 17:55:32,501 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-09 17:55:32,501 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:55:32,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-09 17:55:32,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:32,627 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:32,627 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1932301966] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:32,627 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:32,627 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 17 [2021-07-09 17:55:32,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633881638] [2021-07-09 17:55:32,628 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-09 17:55:32,628 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:32,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-09 17:55:32,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2021-07-09 17:55:32,628 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) [2021-07-09 17:55:33,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:33,162 INFO L93 Difference]: Finished difference Result 2323 states and 5527 transitions. [2021-07-09 17:55:33,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-09 17:55:33,163 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 [2021-07-09 17:55:33,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:33,166 INFO L225 Difference]: With dead ends: 2323 [2021-07-09 17:55:33,166 INFO L226 Difference]: Without dead ends: 2319 [2021-07-09 17:55:33,166 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 633 ImplicationChecksByTransitivity, 484.1ms TimeCoverageRelationStatistics Valid=634, Invalid=1622, Unknown=0, NotChecked=0, Total=2256 [2021-07-09 17:55:33,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2319 states. [2021-07-09 17:55:33,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2319 to 1827. [2021-07-09 17:55:33,188 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) [2021-07-09 17:55:33,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1827 states to 1827 states and 4558 transitions. [2021-07-09 17:55:33,191 INFO L78 Accepts]: Start accepts. Automaton has 1827 states and 4558 transitions. Word has length 28 [2021-07-09 17:55:33,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:33,191 INFO L482 AbstractCegarLoop]: Abstraction has 1827 states and 4558 transitions. [2021-07-09 17:55:33,191 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) [2021-07-09 17:55:33,191 INFO L276 IsEmpty]: Start isEmpty. Operand 1827 states and 4558 transitions. [2021-07-09 17:55:33,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-07-09 17:55:33,193 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:33,193 INFO L508 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:33,394 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74,43 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:55:33,394 INFO L430 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:33,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:33,394 INFO L82 PathProgramCache]: Analyzing trace with hash 1489624002, now seen corresponding path program 43 times [2021-07-09 17:55:33,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:33,394 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457734914] [2021-07-09 17:55:33,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:33,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:33,445 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:55:33,445 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:33,445 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457734914] [2021-07-09 17:55:33,445 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457734914] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:33,445 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [826307772] [2021-07-09 17:55:33,446 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-07-09 17:55:33,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:33,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-09 17:55:33,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:33,608 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:33,608 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [826307772] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:33,608 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:33,608 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11] total 18 [2021-07-09 17:55:33,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777373765] [2021-07-09 17:55:33,608 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-09 17:55:33,608 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:33,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-09 17:55:33,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=274, Unknown=0, NotChecked=0, Total=342 [2021-07-09 17:55:33,609 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) [2021-07-09 17:55:34,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:34,166 INFO L93 Difference]: Finished difference Result 2472 states and 5895 transitions. [2021-07-09 17:55:34,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-09 17:55:34,166 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 [2021-07-09 17:55:34,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:34,170 INFO L225 Difference]: With dead ends: 2472 [2021-07-09 17:55:34,170 INFO L226 Difference]: Without dead ends: 2460 [2021-07-09 17:55:34,170 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 664 ImplicationChecksByTransitivity, 519.9ms TimeCoverageRelationStatistics Valid=613, Invalid=1739, Unknown=0, NotChecked=0, Total=2352 [2021-07-09 17:55:34,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2460 states. [2021-07-09 17:55:34,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2460 to 1976. [2021-07-09 17:55:34,205 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) [2021-07-09 17:55:34,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1976 states to 1976 states and 4950 transitions. [2021-07-09 17:55:34,208 INFO L78 Accepts]: Start accepts. Automaton has 1976 states and 4950 transitions. Word has length 28 [2021-07-09 17:55:34,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:34,209 INFO L482 AbstractCegarLoop]: Abstraction has 1976 states and 4950 transitions. [2021-07-09 17:55:34,209 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) [2021-07-09 17:55:34,209 INFO L276 IsEmpty]: Start isEmpty. Operand 1976 states and 4950 transitions. [2021-07-09 17:55:34,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-07-09 17:55:34,211 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:34,211 INFO L508 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:34,424 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75,44 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:55:34,425 INFO L430 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:34,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:34,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1262402622, now seen corresponding path program 44 times [2021-07-09 17:55:34,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:34,425 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561538899] [2021-07-09 17:55:34,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:34,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:34,474 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:55:34,474 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:34,474 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561538899] [2021-07-09 17:55:34,474 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561538899] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:34,474 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1657483342] [2021-07-09 17:55:34,474 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 [2021-07-09 17:55:34,496 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 17:55:34,496 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:55:34,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-09 17:55:34,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:34,626 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:34,627 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1657483342] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:34,627 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:34,627 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 19 [2021-07-09 17:55:34,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632228501] [2021-07-09 17:55:34,627 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-09 17:55:34,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:34,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-09 17:55:34,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=305, Unknown=0, NotChecked=0, Total=380 [2021-07-09 17:55:34,628 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) [2021-07-09 17:55:35,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:35,222 INFO L93 Difference]: Finished difference Result 2770 states and 6589 transitions. [2021-07-09 17:55:35,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-09 17:55:35,222 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 [2021-07-09 17:55:35,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:35,225 INFO L225 Difference]: With dead ends: 2770 [2021-07-09 17:55:35,225 INFO L226 Difference]: Without dead ends: 2750 [2021-07-09 17:55:35,225 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 761 ImplicationChecksByTransitivity, 542.2ms TimeCoverageRelationStatistics Valid=662, Invalid=1990, Unknown=0, NotChecked=0, Total=2652 [2021-07-09 17:55:35,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2750 states. [2021-07-09 17:55:35,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2750 to 2206. [2021-07-09 17:55:35,251 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) [2021-07-09 17:55:35,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2206 states to 2206 states and 5535 transitions. [2021-07-09 17:55:35,254 INFO L78 Accepts]: Start accepts. Automaton has 2206 states and 5535 transitions. Word has length 28 [2021-07-09 17:55:35,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:35,254 INFO L482 AbstractCegarLoop]: Abstraction has 2206 states and 5535 transitions. [2021-07-09 17:55:35,254 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) [2021-07-09 17:55:35,254 INFO L276 IsEmpty]: Start isEmpty. Operand 2206 states and 5535 transitions. [2021-07-09 17:55:35,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-07-09 17:55:35,256 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:35,256 INFO L508 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:35,457 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable76 [2021-07-09 17:55:35,457 INFO L430 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:35,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:35,457 INFO L82 PathProgramCache]: Analyzing trace with hash 1945988538, now seen corresponding path program 45 times [2021-07-09 17:55:35,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:35,457 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082290283] [2021-07-09 17:55:35,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:35,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:35,518 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:35,518 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:35,518 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082290283] [2021-07-09 17:55:35,518 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082290283] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:35,518 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [888987692] [2021-07-09 17:55:35,518 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 [2021-07-09 17:55:35,542 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-09 17:55:35,542 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:55:35,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-09 17:55:35,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:35,676 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:35,676 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [888987692] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:35,676 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:35,676 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-07-09 17:55:35,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057285708] [2021-07-09 17:55:35,676 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-09 17:55:35,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:35,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-09 17:55:35,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=334, Unknown=0, NotChecked=0, Total=420 [2021-07-09 17:55:35,677 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) [2021-07-09 17:55:36,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:36,320 INFO L93 Difference]: Finished difference Result 2769 states and 6659 transitions. [2021-07-09 17:55:36,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-09 17:55:36,320 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 [2021-07-09 17:55:36,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:36,323 INFO L225 Difference]: With dead ends: 2769 [2021-07-09 17:55:36,323 INFO L226 Difference]: Without dead ends: 2741 [2021-07-09 17:55:36,324 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 953 ImplicationChecksByTransitivity, 604.2ms TimeCoverageRelationStatistics Valid=778, Invalid=2414, Unknown=0, NotChecked=0, Total=3192 [2021-07-09 17:55:36,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2741 states. [2021-07-09 17:55:36,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2741 to 2259. [2021-07-09 17:55:36,355 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) [2021-07-09 17:55:36,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2259 states to 2259 states and 5697 transitions. [2021-07-09 17:55:36,358 INFO L78 Accepts]: Start accepts. Automaton has 2259 states and 5697 transitions. Word has length 28 [2021-07-09 17:55:36,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:36,359 INFO L482 AbstractCegarLoop]: Abstraction has 2259 states and 5697 transitions. [2021-07-09 17:55:36,359 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) [2021-07-09 17:55:36,359 INFO L276 IsEmpty]: Start isEmpty. Operand 2259 states and 5697 transitions. [2021-07-09 17:55:36,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-07-09 17:55:36,361 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:36,361 INFO L508 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:36,561 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable77 [2021-07-09 17:55:36,562 INFO L430 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:36,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:36,562 INFO L82 PathProgramCache]: Analyzing trace with hash 1181662516, now seen corresponding path program 46 times [2021-07-09 17:55:36,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:36,562 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097286524] [2021-07-09 17:55:36,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:36,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:36,587 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:36,587 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:36,587 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097286524] [2021-07-09 17:55:36,587 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097286524] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:36,587 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [646464354] [2021-07-09 17:55:36,587 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 [2021-07-09 17:55:36,611 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-09 17:55:36,611 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:55:36,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-09 17:55:36,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:36,678 INFO L354 Elim1Store]: treesize reduction 16, result has 67.3 percent of original size [2021-07-09 17:55:36,678 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 [2021-07-09 17:55:36,680 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 17:55:36,693 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:55:36,694 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 17:55:36,694 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:64, output treesize:92 [2021-07-09 17:55:37,049 INFO L354 Elim1Store]: treesize reduction 46, result has 6.1 percent of original size [2021-07-09 17:55:37,050 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 [2021-07-09 17:55:37,051 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 17:55:37,094 INFO L628 ElimStorePlain]: treesize reduction 53, result has 71.5 percent of original size [2021-07-09 17:55:37,121 INFO L354 Elim1Store]: treesize reduction 24, result has 51.0 percent of original size [2021-07-09 17:55:37,121 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 [2021-07-09 17:55:37,123 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 17:55:37,130 INFO L628 ElimStorePlain]: treesize reduction 86, result has 3.4 percent of original size [2021-07-09 17:55:37,130 INFO L518 ElimStorePlain]: Eliminatee v_prenex_27 vanished before elimination [2021-07-09 17:55:37,131 INFO L518 ElimStorePlain]: Eliminatee v_prenex_26 vanished before elimination [2021-07-09 17:55:37,131 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 17:55:37,131 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 8 variables, input treesize:242, output treesize:3 [2021-07-09 17:55:37,136 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:37,136 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [646464354] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:37,136 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:37,136 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 14 [2021-07-09 17:55:37,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344967390] [2021-07-09 17:55:37,136 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-09 17:55:37,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:37,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-09 17:55:37,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-07-09 17:55:37,137 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) [2021-07-09 17:55:37,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:37,273 INFO L93 Difference]: Finished difference Result 2998 states and 7342 transitions. [2021-07-09 17:55:37,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-09 17:55:37,274 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 [2021-07-09 17:55:37,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:37,279 INFO L225 Difference]: With dead ends: 2998 [2021-07-09 17:55:37,279 INFO L226 Difference]: Without dead ends: 2991 [2021-07-09 17:55:37,279 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 206.6ms TimeCoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-07-09 17:55:37,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2991 states. [2021-07-09 17:55:37,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2991 to 2615. [2021-07-09 17:55:37,311 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) [2021-07-09 17:55:37,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2615 states to 2615 states and 6628 transitions. [2021-07-09 17:55:37,314 INFO L78 Accepts]: Start accepts. Automaton has 2615 states and 6628 transitions. Word has length 30 [2021-07-09 17:55:37,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:37,315 INFO L482 AbstractCegarLoop]: Abstraction has 2615 states and 6628 transitions. [2021-07-09 17:55:37,315 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) [2021-07-09 17:55:37,315 INFO L276 IsEmpty]: Start isEmpty. Operand 2615 states and 6628 transitions. [2021-07-09 17:55:37,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-07-09 17:55:37,317 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:37,318 INFO L508 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:37,521 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable78 [2021-07-09 17:55:37,521 INFO L430 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:37,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:37,522 INFO L82 PathProgramCache]: Analyzing trace with hash 61643060, now seen corresponding path program 47 times [2021-07-09 17:55:37,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:37,522 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571950749] [2021-07-09 17:55:37,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:37,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:37,550 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-09 17:55:37,550 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:37,550 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571950749] [2021-07-09 17:55:37,550 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571950749] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:37,550 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [315620755] [2021-07-09 17:55:37,550 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 [2021-07-09 17:55:37,576 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-09 17:55:37,576 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:55:37,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 29 conjunts are in the unsatisfiable core [2021-07-09 17:55:37,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:37,724 INFO L354 Elim1Store]: treesize reduction 116, result has 35.9 percent of original size [2021-07-09 17:55:37,725 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 9 new quantified variables, introduced 15 case distinctions, treesize of input 82 treesize of output 97 [2021-07-09 17:55:37,726 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 17:55:37,742 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:55:37,743 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 17:55:37,743 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:82, output treesize:88 [2021-07-09 17:55:37,830 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-07-09 17:55:37,830 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 [2021-07-09 17:55:37,830 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 17:55:37,841 INFO L354 Elim1Store]: treesize reduction 21, result has 16.0 percent of original size [2021-07-09 17:55:37,841 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 [2021-07-09 17:55:37,842 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 17:55:37,850 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-07-09 17:55:37,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-09 17:55:37,851 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 17:55:37,858 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-07-09 17:55:37,858 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 [2021-07-09 17:55:37,859 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 17:55:37,869 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-07-09 17:55:37,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 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 [2021-07-09 17:55:37,871 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 17:55:37,878 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-07-09 17:55:37,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-09 17:55:37,879 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 17:55:37,885 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-07-09 17:55:37,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-09 17:55:37,886 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-09 17:55:37,890 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-07-09 17:55:37,890 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 [2021-07-09 17:55:37,891 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-09 17:55:37,897 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-07-09 17:55:37,897 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 [2021-07-09 17:55:37,901 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-09 17:55:37,904 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-07-09 17:55:37,904 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 [2021-07-09 17:55:37,905 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-09 17:55:37,906 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:55:37,907 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 17:55:37,907 INFO L247 ElimStorePlain]: Needed 11 recursive calls to eliminate 2 variables, input treesize:431, output treesize:3 [2021-07-09 17:55:37,916 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:55:37,916 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [315620755] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:37,916 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:37,916 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 14 [2021-07-09 17:55:37,916 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432685979] [2021-07-09 17:55:37,916 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-09 17:55:37,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:37,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-09 17:55:37,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-07-09 17:55:37,917 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) [2021-07-09 17:55:38,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:38,031 INFO L93 Difference]: Finished difference Result 3125 states and 7770 transitions. [2021-07-09 17:55:38,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 17:55:38,032 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 [2021-07-09 17:55:38,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:38,035 INFO L225 Difference]: With dead ends: 3125 [2021-07-09 17:55:38,035 INFO L226 Difference]: Without dead ends: 3109 [2021-07-09 17:55:38,036 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 120.7ms TimeCoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-07-09 17:55:38,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3109 states. [2021-07-09 17:55:38,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3109 to 2831. [2021-07-09 17:55:38,066 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) [2021-07-09 17:55:38,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2831 states to 2831 states and 7230 transitions. [2021-07-09 17:55:38,085 INFO L78 Accepts]: Start accepts. Automaton has 2831 states and 7230 transitions. Word has length 30 [2021-07-09 17:55:38,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:38,086 INFO L482 AbstractCegarLoop]: Abstraction has 2831 states and 7230 transitions. [2021-07-09 17:55:38,086 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) [2021-07-09 17:55:38,086 INFO L276 IsEmpty]: Start isEmpty. Operand 2831 states and 7230 transitions. [2021-07-09 17:55:38,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-07-09 17:55:38,089 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:38,089 INFO L508 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:38,296 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:55:38,296 INFO L430 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:38,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:38,297 INFO L82 PathProgramCache]: Analyzing trace with hash 1458216244, now seen corresponding path program 48 times [2021-07-09 17:55:38,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:38,297 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186159221] [2021-07-09 17:55:38,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:38,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:38,324 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-09 17:55:38,324 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:38,324 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186159221] [2021-07-09 17:55:38,324 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186159221] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:38,324 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1799827694] [2021-07-09 17:55:38,324 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 [2021-07-09 17:55:38,352 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-07-09 17:55:38,353 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:55:38,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 33 conjunts are in the unsatisfiable core [2021-07-09 17:55:38,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:38,476 INFO L446 ElimStorePlain]: Different costs {10=[f], 15=[f_inv]} [2021-07-09 17:55:38,507 INFO L354 Elim1Store]: treesize reduction 45, result has 44.4 percent of original size [2021-07-09 17:55:38,507 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 [2021-07-09 17:55:38,561 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 17:55:38,591 INFO L628 ElimStorePlain]: treesize reduction 11, result has 91.0 percent of original size [2021-07-09 17:55:38,608 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:55:38,608 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 [2021-07-09 17:55:38,633 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 17:55:38,634 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:55:38,635 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 17:55:38,635 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:123, output treesize:3 [2021-07-09 17:55:38,642 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:55:38,643 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1799827694] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:38,643 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:38,643 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 14 [2021-07-09 17:55:38,643 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234530516] [2021-07-09 17:55:38,643 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-09 17:55:38,643 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:38,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-09 17:55:38,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-07-09 17:55:38,643 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) [2021-07-09 17:55:38,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:38,735 INFO L93 Difference]: Finished difference Result 3299 states and 8293 transitions. [2021-07-09 17:55:38,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 17:55:38,735 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 [2021-07-09 17:55:38,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:38,739 INFO L225 Difference]: With dead ends: 3299 [2021-07-09 17:55:38,740 INFO L226 Difference]: Without dead ends: 3281 [2021-07-09 17:55:38,740 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 104.4ms TimeCoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-07-09 17:55:38,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3281 states. [2021-07-09 17:55:38,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3281 to 3017. [2021-07-09 17:55:38,793 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) [2021-07-09 17:55:38,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3017 states to 3017 states and 7754 transitions. [2021-07-09 17:55:38,798 INFO L78 Accepts]: Start accepts. Automaton has 3017 states and 7754 transitions. Word has length 30 [2021-07-09 17:55:38,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:38,798 INFO L482 AbstractCegarLoop]: Abstraction has 3017 states and 7754 transitions. [2021-07-09 17:55:38,798 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) [2021-07-09 17:55:38,798 INFO L276 IsEmpty]: Start isEmpty. Operand 3017 states and 7754 transitions. [2021-07-09 17:55:38,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-07-09 17:55:38,801 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:38,801 INFO L508 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:39,001 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable112 [2021-07-09 17:55:39,001 INFO L430 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:39,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:39,002 INFO L82 PathProgramCache]: Analyzing trace with hash -759717580, now seen corresponding path program 49 times [2021-07-09 17:55:39,002 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:39,002 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110440222] [2021-07-09 17:55:39,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:39,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:39,040 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-09 17:55:39,040 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:39,041 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110440222] [2021-07-09 17:55:39,041 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110440222] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:39,041 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [156316216] [2021-07-09 17:55:39,041 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 [2021-07-09 17:55:39,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:39,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-09 17:55:39,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:39,158 INFO L354 Elim1Store]: treesize reduction 16, result has 70.9 percent of original size [2021-07-09 17:55:39,158 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 [2021-07-09 17:55:39,160 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 17:55:39,172 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:55:39,173 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 17:55:39,173 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:78, output treesize:66 [2021-07-09 17:55:39,385 INFO L446 ElimStorePlain]: Different costs {3=[f], 6=[v_prenex_32, v_prenex_31]} [2021-07-09 17:55:39,397 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:55:39,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-09 17:55:39,399 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 17:55:39,405 INFO L628 ElimStorePlain]: treesize reduction 89, result has 3.3 percent of original size [2021-07-09 17:55:39,405 INFO L518 ElimStorePlain]: Eliminatee v_prenex_32 vanished before elimination [2021-07-09 17:55:39,405 INFO L518 ElimStorePlain]: Eliminatee v_prenex_31 vanished before elimination [2021-07-09 17:55:39,406 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 17:55:39,406 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:108, output treesize:3 [2021-07-09 17:55:39,417 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:55:39,417 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [156316216] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:39,417 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:39,417 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 14 [2021-07-09 17:55:39,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086089216] [2021-07-09 17:55:39,418 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-09 17:55:39,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:39,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-09 17:55:39,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-07-09 17:55:39,419 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) [2021-07-09 17:55:39,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:39,565 INFO L93 Difference]: Finished difference Result 3711 states and 9322 transitions. [2021-07-09 17:55:39,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 17:55:39,566 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 [2021-07-09 17:55:39,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:39,571 INFO L225 Difference]: With dead ends: 3711 [2021-07-09 17:55:39,571 INFO L226 Difference]: Without dead ends: 3682 [2021-07-09 17:55:39,571 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 194.1ms TimeCoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-07-09 17:55:39,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3682 states. [2021-07-09 17:55:39,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3682 to 3254. [2021-07-09 17:55:39,622 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) [2021-07-09 17:55:39,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3254 states to 3254 states and 8410 transitions. [2021-07-09 17:55:39,627 INFO L78 Accepts]: Start accepts. Automaton has 3254 states and 8410 transitions. Word has length 30 [2021-07-09 17:55:39,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:39,628 INFO L482 AbstractCegarLoop]: Abstraction has 3254 states and 8410 transitions. [2021-07-09 17:55:39,628 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) [2021-07-09 17:55:39,628 INFO L276 IsEmpty]: Start isEmpty. Operand 3254 states and 8410 transitions. [2021-07-09 17:55:39,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-07-09 17:55:39,631 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:39,631 INFO L508 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:39,831 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable144 [2021-07-09 17:55:39,831 INFO L430 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:39,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:39,832 INFO L82 PathProgramCache]: Analyzing trace with hash -1890343628, now seen corresponding path program 50 times [2021-07-09 17:55:39,832 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:39,832 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270903357] [2021-07-09 17:55:39,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:39,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:39,855 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-09 17:55:39,855 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:39,855 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270903357] [2021-07-09 17:55:39,855 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270903357] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:39,855 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1789130901] [2021-07-09 17:55:39,855 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 [2021-07-09 17:55:39,886 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 17:55:39,886 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:55:39,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-09 17:55:39,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:39,958 INFO L354 Elim1Store]: treesize reduction 16, result has 67.3 percent of original size [2021-07-09 17:55:39,958 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 [2021-07-09 17:55:39,960 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 17:55:39,976 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:55:39,977 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 17:55:39,977 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:64, output treesize:92 [2021-07-09 17:55:40,332 INFO L354 Elim1Store]: treesize reduction 46, result has 6.1 percent of original size [2021-07-09 17:55:40,332 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 [2021-07-09 17:55:40,333 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 17:55:40,375 INFO L628 ElimStorePlain]: treesize reduction 51, result has 72.6 percent of original size [2021-07-09 17:55:40,389 INFO L354 Elim1Store]: treesize reduction 42, result has 14.3 percent of original size [2021-07-09 17:55:40,391 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 [2021-07-09 17:55:40,392 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 17:55:40,410 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:55:40,436 INFO L354 Elim1Store]: treesize reduction 24, result has 51.0 percent of original size [2021-07-09 17:55:40,436 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 [2021-07-09 17:55:40,438 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 17:55:40,445 INFO L628 ElimStorePlain]: treesize reduction 59, result has 4.8 percent of original size [2021-07-09 17:55:40,445 INFO L518 ElimStorePlain]: Eliminatee v_prenex_39 vanished before elimination [2021-07-09 17:55:40,445 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 17:55:40,445 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 8 variables, input treesize:242, output treesize:3 [2021-07-09 17:55:40,454 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-09 17:55:40,454 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1789130901] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:40,454 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:40,454 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 14 [2021-07-09 17:55:40,454 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108656746] [2021-07-09 17:55:40,455 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-09 17:55:40,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:40,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-09 17:55:40,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-07-09 17:55:40,455 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) [2021-07-09 17:55:40,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:40,609 INFO L93 Difference]: Finished difference Result 3930 states and 9906 transitions. [2021-07-09 17:55:40,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-09 17:55:40,610 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 [2021-07-09 17:55:40,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:40,615 INFO L225 Difference]: With dead ends: 3930 [2021-07-09 17:55:40,616 INFO L226 Difference]: Without dead ends: 3923 [2021-07-09 17:55:40,616 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 208.2ms TimeCoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-07-09 17:55:40,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3923 states. [2021-07-09 17:55:40,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3923 to 3481. [2021-07-09 17:55:40,657 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) [2021-07-09 17:55:40,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3481 states to 3481 states and 9040 transitions. [2021-07-09 17:55:40,662 INFO L78 Accepts]: Start accepts. Automaton has 3481 states and 9040 transitions. Word has length 30 [2021-07-09 17:55:40,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:40,662 INFO L482 AbstractCegarLoop]: Abstraction has 3481 states and 9040 transitions. [2021-07-09 17:55:40,662 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) [2021-07-09 17:55:40,662 INFO L276 IsEmpty]: Start isEmpty. Operand 3481 states and 9040 transitions. [2021-07-09 17:55:40,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-07-09 17:55:40,665 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:40,665 INFO L508 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:40,880 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154,51 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:55:40,880 INFO L430 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:40,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:40,880 INFO L82 PathProgramCache]: Analyzing trace with hash 1501992374, now seen corresponding path program 51 times [2021-07-09 17:55:40,880 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:40,881 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803416197] [2021-07-09 17:55:40,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:40,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:40,969 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:40,969 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:40,969 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803416197] [2021-07-09 17:55:40,969 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803416197] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:40,969 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [169789093] [2021-07-09 17:55:40,969 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 [2021-07-09 17:55:40,997 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-07-09 17:55:40,998 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:55:40,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-09 17:55:40,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:41,202 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:41,203 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [169789093] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:41,203 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:41,203 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 25 [2021-07-09 17:55:41,203 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282416542] [2021-07-09 17:55:41,203 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-09 17:55:41,203 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:41,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-09 17:55:41,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=519, Unknown=0, NotChecked=0, Total=650 [2021-07-09 17:55:41,204 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) [2021-07-09 17:55:42,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:42,202 INFO L93 Difference]: Finished difference Result 4394 states and 10868 transitions. [2021-07-09 17:55:42,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-09 17:55:42,202 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 [2021-07-09 17:55:42,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:42,207 INFO L225 Difference]: With dead ends: 4394 [2021-07-09 17:55:42,207 INFO L226 Difference]: Without dead ends: 4394 [2021-07-09 17:55:42,208 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1271 ImplicationChecksByTransitivity, 886.7ms TimeCoverageRelationStatistics Valid=1299, Invalid=3671, Unknown=0, NotChecked=0, Total=4970 [2021-07-09 17:55:42,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4394 states. [2021-07-09 17:55:42,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4394 to 3164. [2021-07-09 17:55:42,245 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) [2021-07-09 17:55:42,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3164 states to 3164 states and 8180 transitions. [2021-07-09 17:55:42,250 INFO L78 Accepts]: Start accepts. Automaton has 3164 states and 8180 transitions. Word has length 32 [2021-07-09 17:55:42,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:42,250 INFO L482 AbstractCegarLoop]: Abstraction has 3164 states and 8180 transitions. [2021-07-09 17:55:42,250 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) [2021-07-09 17:55:42,250 INFO L276 IsEmpty]: Start isEmpty. Operand 3164 states and 8180 transitions. [2021-07-09 17:55:42,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-07-09 17:55:42,253 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:42,253 INFO L508 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:42,453 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable169 [2021-07-09 17:55:42,453 INFO L430 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:42,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:42,454 INFO L82 PathProgramCache]: Analyzing trace with hash 783257330, now seen corresponding path program 52 times [2021-07-09 17:55:42,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:42,454 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12331336] [2021-07-09 17:55:42,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:42,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:42,527 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:42,527 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:42,527 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12331336] [2021-07-09 17:55:42,527 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12331336] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:42,528 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [194165322] [2021-07-09 17:55:42,528 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 [2021-07-09 17:55:42,551 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-09 17:55:42,551 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:55:42,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-09 17:55:42,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:42,751 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:42,751 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [194165322] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:42,751 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:42,751 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-07-09 17:55:42,751 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906706257] [2021-07-09 17:55:42,751 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-09 17:55:42,752 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:42,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-09 17:55:42,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=492, Unknown=0, NotChecked=0, Total=600 [2021-07-09 17:55:42,752 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) [2021-07-09 17:55:44,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:44,174 INFO L93 Difference]: Finished difference Result 5243 states and 12644 transitions. [2021-07-09 17:55:44,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-07-09 17:55:44,174 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 [2021-07-09 17:55:44,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:44,180 INFO L225 Difference]: With dead ends: 5243 [2021-07-09 17:55:44,180 INFO L226 Difference]: Without dead ends: 5139 [2021-07-09 17:55:44,181 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2425 ImplicationChecksByTransitivity, 1341.2ms TimeCoverageRelationStatistics Valid=1756, Invalid=6076, Unknown=0, NotChecked=0, Total=7832 [2021-07-09 17:55:44,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5139 states. [2021-07-09 17:55:44,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5139 to 3339. [2021-07-09 17:55:44,232 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) [2021-07-09 17:55:44,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3339 states to 3339 states and 8619 transitions. [2021-07-09 17:55:44,238 INFO L78 Accepts]: Start accepts. Automaton has 3339 states and 8619 transitions. Word has length 32 [2021-07-09 17:55:44,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:44,238 INFO L482 AbstractCegarLoop]: Abstraction has 3339 states and 8619 transitions. [2021-07-09 17:55:44,238 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) [2021-07-09 17:55:44,238 INFO L276 IsEmpty]: Start isEmpty. Operand 3339 states and 8619 transitions. [2021-07-09 17:55:44,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-07-09 17:55:44,242 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:44,242 INFO L508 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:44,452 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable170,53 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:55:44,452 INFO L430 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:44,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:44,453 INFO L82 PathProgramCache]: Analyzing trace with hash 325676430, now seen corresponding path program 53 times [2021-07-09 17:55:44,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:44,453 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010317596] [2021-07-09 17:55:44,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:44,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:44,500 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:44,501 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:44,501 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010317596] [2021-07-09 17:55:44,501 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010317596] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:44,501 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1657132634] [2021-07-09 17:55:44,501 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 [2021-07-09 17:55:44,527 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-09 17:55:44,527 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:55:44,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-09 17:55:44,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:44,680 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:44,680 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1657132634] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:44,680 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:44,681 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 13] total 20 [2021-07-09 17:55:44,681 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356139143] [2021-07-09 17:55:44,681 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-09 17:55:44,681 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:44,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-09 17:55:44,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=344, Unknown=0, NotChecked=0, Total=420 [2021-07-09 17:55:44,681 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) [2021-07-09 17:55:45,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:45,824 INFO L93 Difference]: Finished difference Result 6359 states and 15875 transitions. [2021-07-09 17:55:45,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-09 17:55:45,825 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 [2021-07-09 17:55:45,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:45,833 INFO L225 Difference]: With dead ends: 6359 [2021-07-09 17:55:45,833 INFO L226 Difference]: Without dead ends: 6347 [2021-07-09 17:55:45,834 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1905 ImplicationChecksByTransitivity, 993.3ms TimeCoverageRelationStatistics Valid=1604, Invalid=4248, Unknown=0, NotChecked=0, Total=5852 [2021-07-09 17:55:45,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6347 states. [2021-07-09 17:55:45,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6347 to 4305. [2021-07-09 17:55:45,900 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) [2021-07-09 17:55:45,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4305 states to 4305 states and 11113 transitions. [2021-07-09 17:55:45,906 INFO L78 Accepts]: Start accepts. Automaton has 4305 states and 11113 transitions. Word has length 32 [2021-07-09 17:55:45,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:45,906 INFO L482 AbstractCegarLoop]: Abstraction has 4305 states and 11113 transitions. [2021-07-09 17:55:45,907 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) [2021-07-09 17:55:45,907 INFO L276 IsEmpty]: Start isEmpty. Operand 4305 states and 11113 transitions. [2021-07-09 17:55:45,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-07-09 17:55:45,911 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:45,911 INFO L508 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:46,111 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable171 [2021-07-09 17:55:46,111 INFO L430 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:46,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:46,112 INFO L82 PathProgramCache]: Analyzing trace with hash -1058221652, now seen corresponding path program 54 times [2021-07-09 17:55:46,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:46,112 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7183776] [2021-07-09 17:55:46,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:46,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:46,164 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 21 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:46,165 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:46,165 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7183776] [2021-07-09 17:55:46,165 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7183776] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:46,165 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1669376457] [2021-07-09 17:55:46,165 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 [2021-07-09 17:55:46,190 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-07-09 17:55:46,190 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:55:46,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-09 17:55:46,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:46,379 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 21 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:46,380 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1669376457] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:46,380 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:46,380 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 13] total 20 [2021-07-09 17:55:46,380 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004002281] [2021-07-09 17:55:46,380 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-09 17:55:46,380 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:46,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-09 17:55:46,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2021-07-09 17:55:46,381 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) [2021-07-09 17:55:47,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:47,289 INFO L93 Difference]: Finished difference Result 4664 states and 11802 transitions. [2021-07-09 17:55:47,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-09 17:55:47,289 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 [2021-07-09 17:55:47,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:47,295 INFO L225 Difference]: With dead ends: 4664 [2021-07-09 17:55:47,295 INFO L226 Difference]: Without dead ends: 4660 [2021-07-09 17:55:47,296 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1283 ImplicationChecksByTransitivity, 830.3ms TimeCoverageRelationStatistics Valid=1088, Invalid=3334, Unknown=0, NotChecked=0, Total=4422 [2021-07-09 17:55:47,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4660 states. [2021-07-09 17:55:47,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4660 to 4305. [2021-07-09 17:55:47,343 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) [2021-07-09 17:55:47,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4305 states to 4305 states and 11109 transitions. [2021-07-09 17:55:47,349 INFO L78 Accepts]: Start accepts. Automaton has 4305 states and 11109 transitions. Word has length 32 [2021-07-09 17:55:47,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:47,350 INFO L482 AbstractCegarLoop]: Abstraction has 4305 states and 11109 transitions. [2021-07-09 17:55:47,350 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) [2021-07-09 17:55:47,350 INFO L276 IsEmpty]: Start isEmpty. Operand 4305 states and 11109 transitions. [2021-07-09 17:55:47,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-07-09 17:55:47,354 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:47,354 INFO L508 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:47,554 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 55 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable172 [2021-07-09 17:55:47,555 INFO L430 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:47,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:47,555 INFO L82 PathProgramCache]: Analyzing trace with hash -1813615886, now seen corresponding path program 55 times [2021-07-09 17:55:47,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:47,555 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101054257] [2021-07-09 17:55:47,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:47,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:47,601 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 27 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:55:47,602 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:47,602 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101054257] [2021-07-09 17:55:47,602 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101054257] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:47,602 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2049415515] [2021-07-09 17:55:47,602 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 [2021-07-09 17:55:47,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:47,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-09 17:55:47,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:47,826 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 21 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:47,827 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2049415515] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:47,827 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:47,827 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 13] total 20 [2021-07-09 17:55:47,827 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072690734] [2021-07-09 17:55:47,827 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-09 17:55:47,827 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:47,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-09 17:55:47,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=343, Unknown=0, NotChecked=0, Total=420 [2021-07-09 17:55:47,828 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) [2021-07-09 17:55:48,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:48,593 INFO L93 Difference]: Finished difference Result 5836 states and 14714 transitions. [2021-07-09 17:55:48,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-09 17:55:48,593 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 [2021-07-09 17:55:48,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:48,600 INFO L225 Difference]: With dead ends: 5836 [2021-07-09 17:55:48,600 INFO L226 Difference]: Without dead ends: 5818 [2021-07-09 17:55:48,601 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 813 ImplicationChecksByTransitivity, 664.7ms TimeCoverageRelationStatistics Valid=721, Invalid=2249, Unknown=0, NotChecked=0, Total=2970 [2021-07-09 17:55:48,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5818 states. [2021-07-09 17:55:48,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5818 to 4428. [2021-07-09 17:55:48,662 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) [2021-07-09 17:55:48,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4428 states to 4428 states and 11465 transitions. [2021-07-09 17:55:48,668 INFO L78 Accepts]: Start accepts. Automaton has 4428 states and 11465 transitions. Word has length 32 [2021-07-09 17:55:48,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:48,668 INFO L482 AbstractCegarLoop]: Abstraction has 4428 states and 11465 transitions. [2021-07-09 17:55:48,668 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) [2021-07-09 17:55:48,668 INFO L276 IsEmpty]: Start isEmpty. Operand 4428 states and 11465 transitions. [2021-07-09 17:55:48,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-07-09 17:55:48,672 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:48,672 INFO L508 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:48,887 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable173,56 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:55:48,888 INFO L430 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:48,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:48,888 INFO L82 PathProgramCache]: Analyzing trace with hash -673820798, now seen corresponding path program 56 times [2021-07-09 17:55:48,888 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:48,888 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196292573] [2021-07-09 17:55:48,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:48,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:48,955 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:48,955 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:48,955 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196292573] [2021-07-09 17:55:48,955 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196292573] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:48,955 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [506074698] [2021-07-09 17:55:48,955 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 [2021-07-09 17:55:48,979 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 17:55:48,979 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:55:48,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-09 17:55:48,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:49,154 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:49,154 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [506074698] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:49,154 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:49,154 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13] total 21 [2021-07-09 17:55:49,154 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783918430] [2021-07-09 17:55:49,154 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-09 17:55:49,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:49,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-09 17:55:49,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=363, Unknown=0, NotChecked=0, Total=462 [2021-07-09 17:55:49,155 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) [2021-07-09 17:55:50,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:50,131 INFO L93 Difference]: Finished difference Result 5254 states and 13180 transitions. [2021-07-09 17:55:50,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-09 17:55:50,131 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 [2021-07-09 17:55:50,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:50,139 INFO L225 Difference]: With dead ends: 5254 [2021-07-09 17:55:50,139 INFO L226 Difference]: Without dead ends: 5238 [2021-07-09 17:55:50,139 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1414 ImplicationChecksByTransitivity, 869.1ms TimeCoverageRelationStatistics Valid=1130, Invalid=3562, Unknown=0, NotChecked=0, Total=4692 [2021-07-09 17:55:50,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5238 states. [2021-07-09 17:55:50,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5238 to 4516. [2021-07-09 17:55:50,196 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) [2021-07-09 17:55:50,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4516 states to 4516 states and 11702 transitions. [2021-07-09 17:55:50,204 INFO L78 Accepts]: Start accepts. Automaton has 4516 states and 11702 transitions. Word has length 32 [2021-07-09 17:55:50,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:50,204 INFO L482 AbstractCegarLoop]: Abstraction has 4516 states and 11702 transitions. [2021-07-09 17:55:50,204 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) [2021-07-09 17:55:50,204 INFO L276 IsEmpty]: Start isEmpty. Operand 4516 states and 11702 transitions. [2021-07-09 17:55:50,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-07-09 17:55:50,209 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:50,209 INFO L508 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:50,409 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable174,57 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:55:50,410 INFO L430 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:50,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:50,410 INFO L82 PathProgramCache]: Analyzing trace with hash 1175991294, now seen corresponding path program 57 times [2021-07-09 17:55:50,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:50,410 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64913370] [2021-07-09 17:55:50,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:50,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:50,468 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:50,469 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:50,469 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64913370] [2021-07-09 17:55:50,469 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64913370] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:50,469 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1453081096] [2021-07-09 17:55:50,469 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 [2021-07-09 17:55:50,496 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-07-09 17:55:50,496 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:55:50,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-09 17:55:50,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:50,695 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:50,695 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1453081096] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:50,696 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:50,696 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13] total 22 [2021-07-09 17:55:50,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722990172] [2021-07-09 17:55:50,696 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-09 17:55:50,696 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:50,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-09 17:55:50,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=405, Unknown=0, NotChecked=0, Total=506 [2021-07-09 17:55:50,696 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) [2021-07-09 17:55:51,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:51,643 INFO L93 Difference]: Finished difference Result 5594 states and 13918 transitions. [2021-07-09 17:55:51,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-09 17:55:51,643 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 [2021-07-09 17:55:51,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:51,650 INFO L225 Difference]: With dead ends: 5594 [2021-07-09 17:55:51,651 INFO L226 Difference]: Without dead ends: 5566 [2021-07-09 17:55:51,651 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1574 ImplicationChecksByTransitivity, 853.6ms TimeCoverageRelationStatistics Valid=1183, Invalid=3787, Unknown=0, NotChecked=0, Total=4970 [2021-07-09 17:55:51,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5566 states. [2021-07-09 17:55:51,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5566 to 4347. [2021-07-09 17:55:51,703 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) [2021-07-09 17:55:51,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4347 states to 4347 states and 11250 transitions. [2021-07-09 17:55:51,710 INFO L78 Accepts]: Start accepts. Automaton has 4347 states and 11250 transitions. Word has length 32 [2021-07-09 17:55:51,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:51,710 INFO L482 AbstractCegarLoop]: Abstraction has 4347 states and 11250 transitions. [2021-07-09 17:55:51,710 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) [2021-07-09 17:55:51,710 INFO L276 IsEmpty]: Start isEmpty. Operand 4347 states and 11250 transitions. [2021-07-09 17:55:51,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-07-09 17:55:51,714 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:51,714 INFO L508 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:51,918 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable175,58 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:55:51,919 INFO L430 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:51,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:51,919 INFO L82 PathProgramCache]: Analyzing trace with hash 728951162, now seen corresponding path program 58 times [2021-07-09 17:55:51,919 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:51,919 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457198717] [2021-07-09 17:55:51,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:51,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:51,985 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:51,985 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:51,985 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457198717] [2021-07-09 17:55:51,986 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457198717] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:51,986 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [145782169] [2021-07-09 17:55:51,986 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 [2021-07-09 17:55:52,016 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-09 17:55:52,016 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:55:52,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-09 17:55:52,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:52,184 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:52,184 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [145782169] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:52,184 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:52,184 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 23 [2021-07-09 17:55:52,185 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585745178] [2021-07-09 17:55:52,185 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-09 17:55:52,185 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:52,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-09 17:55:52,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=445, Unknown=0, NotChecked=0, Total=552 [2021-07-09 17:55:52,185 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) [2021-07-09 17:55:53,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:53,157 INFO L93 Difference]: Finished difference Result 5720 states and 14080 transitions. [2021-07-09 17:55:53,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-09 17:55:53,157 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 [2021-07-09 17:55:53,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:53,165 INFO L225 Difference]: With dead ends: 5720 [2021-07-09 17:55:53,166 INFO L226 Difference]: Without dead ends: 5686 [2021-07-09 17:55:53,166 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1700 ImplicationChecksByTransitivity, 841.7ms TimeCoverageRelationStatistics Valid=1246, Invalid=4010, Unknown=0, NotChecked=0, Total=5256 [2021-07-09 17:55:53,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5686 states. [2021-07-09 17:55:53,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5686 to 3872. [2021-07-09 17:55:53,225 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) [2021-07-09 17:55:53,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3872 states to 3872 states and 9984 transitions. [2021-07-09 17:55:53,231 INFO L78 Accepts]: Start accepts. Automaton has 3872 states and 9984 transitions. Word has length 32 [2021-07-09 17:55:53,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:53,231 INFO L482 AbstractCegarLoop]: Abstraction has 3872 states and 9984 transitions. [2021-07-09 17:55:53,231 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) [2021-07-09 17:55:53,231 INFO L276 IsEmpty]: Start isEmpty. Operand 3872 states and 9984 transitions. [2021-07-09 17:55:53,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-07-09 17:55:53,234 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:53,234 INFO L508 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:53,440 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable176 [2021-07-09 17:55:53,441 INFO L430 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:53,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:53,441 INFO L82 PathProgramCache]: Analyzing trace with hash -1717407562, now seen corresponding path program 59 times [2021-07-09 17:55:53,441 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:53,441 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403120158] [2021-07-09 17:55:53,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:53,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:53,515 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:55:53,515 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:53,515 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403120158] [2021-07-09 17:55:53,515 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403120158] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:53,515 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1516014928] [2021-07-09 17:55:53,515 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 [2021-07-09 17:55:53,561 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-09 17:55:53,561 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:55:53,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-09 17:55:53,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:53,743 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 12 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:53,744 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1516014928] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:53,744 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:53,744 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-07-09 17:55:53,744 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667314543] [2021-07-09 17:55:53,744 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-09 17:55:53,744 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:53,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-09 17:55:53,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=488, Unknown=0, NotChecked=0, Total=600 [2021-07-09 17:55:53,745 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) [2021-07-09 17:55:54,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:54,763 INFO L93 Difference]: Finished difference Result 5197 states and 12616 transitions. [2021-07-09 17:55:54,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-09 17:55:54,763 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 [2021-07-09 17:55:54,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:54,770 INFO L225 Difference]: With dead ends: 5197 [2021-07-09 17:55:54,770 INFO L226 Difference]: Without dead ends: 5197 [2021-07-09 17:55:54,771 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1355 ImplicationChecksByTransitivity, 887.2ms TimeCoverageRelationStatistics Valid=1262, Invalid=3708, Unknown=0, NotChecked=0, Total=4970 [2021-07-09 17:55:54,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5197 states. [2021-07-09 17:55:54,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5197 to 3402. [2021-07-09 17:55:54,821 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) [2021-07-09 17:55:54,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3402 states to 3402 states and 8718 transitions. [2021-07-09 17:55:54,827 INFO L78 Accepts]: Start accepts. Automaton has 3402 states and 8718 transitions. Word has length 32 [2021-07-09 17:55:54,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:54,827 INFO L482 AbstractCegarLoop]: Abstraction has 3402 states and 8718 transitions. [2021-07-09 17:55:54,827 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) [2021-07-09 17:55:54,827 INFO L276 IsEmpty]: Start isEmpty. Operand 3402 states and 8718 transitions. [2021-07-09 17:55:54,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-07-09 17:55:54,830 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:54,830 INFO L508 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:55,030 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 60 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable177 [2021-07-09 17:55:55,031 INFO L430 AbstractCegarLoop]: === Iteration 65 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:55,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:55,031 INFO L82 PathProgramCache]: Analyzing trace with hash 1240500466, now seen corresponding path program 60 times [2021-07-09 17:55:55,031 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:55,031 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465329331] [2021-07-09 17:55:55,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:55,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:55,103 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:55:55,103 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:55,103 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465329331] [2021-07-09 17:55:55,103 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465329331] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:55,103 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1608939781] [2021-07-09 17:55:55,103 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 [2021-07-09 17:55:55,132 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-09 17:55:55,133 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:55:55,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-09 17:55:55,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:55,320 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:55,320 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1608939781] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:55,320 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:55,320 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 23 [2021-07-09 17:55:55,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546296055] [2021-07-09 17:55:55,321 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-09 17:55:55,321 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:55,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-09 17:55:55,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=453, Unknown=0, NotChecked=0, Total=552 [2021-07-09 17:55:55,321 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) [2021-07-09 17:55:56,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:56,302 INFO L93 Difference]: Finished difference Result 4252 states and 10318 transitions. [2021-07-09 17:55:56,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-07-09 17:55:56,303 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 [2021-07-09 17:55:56,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:56,307 INFO L225 Difference]: With dead ends: 4252 [2021-07-09 17:55:56,307 INFO L226 Difference]: Without dead ends: 4186 [2021-07-09 17:55:56,308 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1720 ImplicationChecksByTransitivity, 908.2ms TimeCoverageRelationStatistics Valid=1147, Invalid=4109, Unknown=0, NotChecked=0, Total=5256 [2021-07-09 17:55:56,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4186 states. [2021-07-09 17:55:56,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4186 to 3264. [2021-07-09 17:55:56,348 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) [2021-07-09 17:55:56,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3264 states to 3264 states and 8316 transitions. [2021-07-09 17:55:56,353 INFO L78 Accepts]: Start accepts. Automaton has 3264 states and 8316 transitions. Word has length 32 [2021-07-09 17:55:56,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:56,353 INFO L482 AbstractCegarLoop]: Abstraction has 3264 states and 8316 transitions. [2021-07-09 17:55:56,353 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) [2021-07-09 17:55:56,354 INFO L276 IsEmpty]: Start isEmpty. Operand 3264 states and 8316 transitions. [2021-07-09 17:55:56,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-07-09 17:55:56,356 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:56,356 INFO L508 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:56,556 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 61 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable178 [2021-07-09 17:55:56,557 INFO L430 AbstractCegarLoop]: === Iteration 66 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:56,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:56,557 INFO L82 PathProgramCache]: Analyzing trace with hash 1425607606, now seen corresponding path program 61 times [2021-07-09 17:55:56,557 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:56,557 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830058303] [2021-07-09 17:55:56,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:56,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:56,631 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 26 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:55:56,631 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:56,631 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830058303] [2021-07-09 17:55:56,631 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830058303] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:56,631 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1686354113] [2021-07-09 17:55:56,632 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 [2021-07-09 17:55:56,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:56,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-09 17:55:56,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:56,822 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 12 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:56,822 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1686354113] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:56,822 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:56,822 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 23 [2021-07-09 17:55:56,822 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953478757] [2021-07-09 17:55:56,822 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-09 17:55:56,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:56,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-09 17:55:56,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=452, Unknown=0, NotChecked=0, Total=552 [2021-07-09 17:55:56,823 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) [2021-07-09 17:55:57,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:57,886 INFO L93 Difference]: Finished difference Result 4881 states and 11710 transitions. [2021-07-09 17:55:57,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-09 17:55:57,887 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 [2021-07-09 17:55:57,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:57,892 INFO L225 Difference]: With dead ends: 4881 [2021-07-09 17:55:57,893 INFO L226 Difference]: Without dead ends: 4881 [2021-07-09 17:55:57,893 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1700 ImplicationChecksByTransitivity, 944.6ms TimeCoverageRelationStatistics Valid=1473, Invalid=4077, Unknown=0, NotChecked=0, Total=5550 [2021-07-09 17:55:57,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4881 states. [2021-07-09 17:55:57,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4881 to 2860. [2021-07-09 17:55:57,928 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) [2021-07-09 17:55:57,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2860 states to 2860 states and 7200 transitions. [2021-07-09 17:55:57,932 INFO L78 Accepts]: Start accepts. Automaton has 2860 states and 7200 transitions. Word has length 32 [2021-07-09 17:55:57,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:57,932 INFO L482 AbstractCegarLoop]: Abstraction has 2860 states and 7200 transitions. [2021-07-09 17:55:57,933 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) [2021-07-09 17:55:57,933 INFO L276 IsEmpty]: Start isEmpty. Operand 2860 states and 7200 transitions. [2021-07-09 17:55:57,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-07-09 17:55:57,935 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:57,935 INFO L508 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:58,135 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 62 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable179 [2021-07-09 17:55:58,136 INFO L430 AbstractCegarLoop]: === Iteration 67 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:58,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:58,136 INFO L82 PathProgramCache]: Analyzing trace with hash 1428685554, now seen corresponding path program 62 times [2021-07-09 17:55:58,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:58,136 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478525221] [2021-07-09 17:55:58,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:58,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:58,211 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 24 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:55:58,212 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:58,212 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478525221] [2021-07-09 17:55:58,212 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478525221] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:58,212 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [318997514] [2021-07-09 17:55:58,212 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) [2021-07-09 17:55:58,238 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 17:55:58,238 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:55:58,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-09 17:55:58,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 63 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:55:58,407 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:58,408 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [318997514] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:58,408 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:58,408 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13] total 22 [2021-07-09 17:55:58,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454894729] [2021-07-09 17:55:58,409 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-09 17:55:58,409 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:58,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-09 17:55:58,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=412, Unknown=0, NotChecked=0, Total=506 [2021-07-09 17:55:58,409 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) [2021-07-09 17:55:59,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:55:59,291 INFO L93 Difference]: Finished difference Result 3661 states and 8825 transitions. [2021-07-09 17:55:59,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-09 17:55:59,291 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 [2021-07-09 17:55:59,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:55:59,295 INFO L225 Difference]: With dead ends: 3661 [2021-07-09 17:55:59,296 INFO L226 Difference]: Without dead ends: 3622 [2021-07-09 17:55:59,296 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1460 ImplicationChecksByTransitivity, 788.0ms TimeCoverageRelationStatistics Valid=968, Invalid=3454, Unknown=0, NotChecked=0, Total=4422 [2021-07-09 17:55:59,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3622 states. [2021-07-09 17:55:59,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3622 to 2809. [2021-07-09 17:55:59,327 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) [2021-07-09 17:55:59,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2809 states to 2809 states and 7043 transitions. [2021-07-09 17:55:59,331 INFO L78 Accepts]: Start accepts. Automaton has 2809 states and 7043 transitions. Word has length 32 [2021-07-09 17:55:59,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:55:59,331 INFO L482 AbstractCegarLoop]: Abstraction has 2809 states and 7043 transitions. [2021-07-09 17:55:59,331 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) [2021-07-09 17:55:59,331 INFO L276 IsEmpty]: Start isEmpty. Operand 2809 states and 7043 transitions. [2021-07-09 17:55:59,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-07-09 17:55:59,333 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:55:59,334 INFO L508 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:55:59,534 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable180,63 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:55:59,534 INFO L430 AbstractCegarLoop]: === Iteration 68 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:55:59,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:55:59,535 INFO L82 PathProgramCache]: Analyzing trace with hash -1690671434, now seen corresponding path program 63 times [2021-07-09 17:55:59,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:55:59,535 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213375572] [2021-07-09 17:55:59,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:55:59,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:55:59,599 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 13 proven. 27 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:55:59,599 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:55:59,599 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213375572] [2021-07-09 17:55:59,599 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213375572] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:59,600 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1166599027] [2021-07-09 17:55:59,600 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 [2021-07-09 17:55:59,624 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-07-09 17:55:59,624 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:55:59,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-09 17:55:59,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:55:59,822 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 12 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:55:59,822 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1166599027] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:55:59,822 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:55:59,822 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13] total 22 [2021-07-09 17:55:59,822 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886535060] [2021-07-09 17:55:59,823 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-09 17:55:59,823 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:55:59,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-09 17:55:59,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=414, Unknown=0, NotChecked=0, Total=506 [2021-07-09 17:55:59,823 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) [2021-07-09 17:56:01,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:56:01,041 INFO L93 Difference]: Finished difference Result 4911 states and 11694 transitions. [2021-07-09 17:56:01,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-09 17:56:01,042 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 [2021-07-09 17:56:01,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:56:01,047 INFO L225 Difference]: With dead ends: 4911 [2021-07-09 17:56:01,048 INFO L226 Difference]: Without dead ends: 4911 [2021-07-09 17:56:01,048 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2155 ImplicationChecksByTransitivity, 1078.8ms TimeCoverageRelationStatistics Valid=1768, Invalid=4552, Unknown=0, NotChecked=0, Total=6320 [2021-07-09 17:56:01,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4911 states. [2021-07-09 17:56:01,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4911 to 3307. [2021-07-09 17:56:01,091 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) [2021-07-09 17:56:01,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3307 states to 3307 states and 8203 transitions. [2021-07-09 17:56:01,095 INFO L78 Accepts]: Start accepts. Automaton has 3307 states and 8203 transitions. Word has length 32 [2021-07-09 17:56:01,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:56:01,096 INFO L482 AbstractCegarLoop]: Abstraction has 3307 states and 8203 transitions. [2021-07-09 17:56:01,096 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) [2021-07-09 17:56:01,096 INFO L276 IsEmpty]: Start isEmpty. Operand 3307 states and 8203 transitions. [2021-07-09 17:56:01,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-07-09 17:56:01,098 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:56:01,098 INFO L508 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:56:01,299 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable181,64 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:56:01,299 INFO L430 AbstractCegarLoop]: === Iteration 69 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:56:01,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:56:01,299 INFO L82 PathProgramCache]: Analyzing trace with hash -604635918, now seen corresponding path program 64 times [2021-07-09 17:56:01,299 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:56:01,299 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353180237] [2021-07-09 17:56:01,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:56:01,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:56:01,361 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:56:01,361 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:56:01,361 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353180237] [2021-07-09 17:56:01,361 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353180237] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:01,361 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2126196764] [2021-07-09 17:56:01,361 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 [2021-07-09 17:56:01,384 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-09 17:56:01,385 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:56:01,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-09 17:56:01,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:56:01,555 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:56:01,556 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2126196764] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:01,556 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:56:01,556 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13] total 21 [2021-07-09 17:56:01,556 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689529925] [2021-07-09 17:56:01,556 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-09 17:56:01,556 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:56:01,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-09 17:56:01,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=369, Unknown=0, NotChecked=0, Total=462 [2021-07-09 17:56:01,556 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) [2021-07-09 17:56:02,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:56:02,407 INFO L93 Difference]: Finished difference Result 3840 states and 9263 transitions. [2021-07-09 17:56:02,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-09 17:56:02,407 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 [2021-07-09 17:56:02,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:56:02,412 INFO L225 Difference]: With dead ends: 3840 [2021-07-09 17:56:02,412 INFO L226 Difference]: Without dead ends: 3822 [2021-07-09 17:56:02,412 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1269 ImplicationChecksByTransitivity, 728.5ms TimeCoverageRelationStatistics Valid=879, Invalid=3027, Unknown=0, NotChecked=0, Total=3906 [2021-07-09 17:56:02,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3822 states. [2021-07-09 17:56:02,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3822 to 3381. [2021-07-09 17:56:02,450 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) [2021-07-09 17:56:02,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3381 states to 3381 states and 8403 transitions. [2021-07-09 17:56:02,455 INFO L78 Accepts]: Start accepts. Automaton has 3381 states and 8403 transitions. Word has length 32 [2021-07-09 17:56:02,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:56:02,455 INFO L482 AbstractCegarLoop]: Abstraction has 3381 states and 8403 transitions. [2021-07-09 17:56:02,455 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) [2021-07-09 17:56:02,455 INFO L276 IsEmpty]: Start isEmpty. Operand 3381 states and 8403 transitions. [2021-07-09 17:56:02,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-07-09 17:56:02,457 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:56:02,458 INFO L508 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:56:02,664 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable182,65 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:56:02,664 INFO L430 AbstractCegarLoop]: === Iteration 70 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:56:02,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:56:02,665 INFO L82 PathProgramCache]: Analyzing trace with hash -1474920010, now seen corresponding path program 65 times [2021-07-09 17:56:02,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:56:02,665 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53424948] [2021-07-09 17:56:02,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:56:02,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:56:02,719 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 12 proven. 28 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:56:02,719 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:56:02,719 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53424948] [2021-07-09 17:56:02,719 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53424948] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:02,719 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1133582854] [2021-07-09 17:56:02,719 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 [2021-07-09 17:56:02,756 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-09 17:56:02,756 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:56:02,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-09 17:56:02,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:56:02,919 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 12 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:56:02,920 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1133582854] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:02,920 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:56:02,920 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13] total 21 [2021-07-09 17:56:02,920 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663235016] [2021-07-09 17:56:02,920 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-09 17:56:02,920 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:56:02,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-09 17:56:02,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=374, Unknown=0, NotChecked=0, Total=462 [2021-07-09 17:56:02,920 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) [2021-07-09 17:56:04,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:56:04,156 INFO L93 Difference]: Finished difference Result 6180 states and 15068 transitions. [2021-07-09 17:56:04,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-09 17:56:04,156 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 [2021-07-09 17:56:04,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:56:04,164 INFO L225 Difference]: With dead ends: 6180 [2021-07-09 17:56:04,164 INFO L226 Difference]: Without dead ends: 6180 [2021-07-09 17:56:04,165 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2540 ImplicationChecksByTransitivity, 1080.3ms TimeCoverageRelationStatistics Valid=2010, Invalid=4962, Unknown=0, NotChecked=0, Total=6972 [2021-07-09 17:56:04,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6180 states. [2021-07-09 17:56:04,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6180 to 5144. [2021-07-09 17:56:04,231 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) [2021-07-09 17:56:04,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5144 states to 5144 states and 12966 transitions. [2021-07-09 17:56:04,238 INFO L78 Accepts]: Start accepts. Automaton has 5144 states and 12966 transitions. Word has length 32 [2021-07-09 17:56:04,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:56:04,239 INFO L482 AbstractCegarLoop]: Abstraction has 5144 states and 12966 transitions. [2021-07-09 17:56:04,239 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) [2021-07-09 17:56:04,239 INFO L276 IsEmpty]: Start isEmpty. Operand 5144 states and 12966 transitions. [2021-07-09 17:56:04,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-07-09 17:56:04,243 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:56:04,243 INFO L508 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:56:04,443 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 66 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable183 [2021-07-09 17:56:04,443 INFO L430 AbstractCegarLoop]: === Iteration 71 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:56:04,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:56:04,444 INFO L82 PathProgramCache]: Analyzing trace with hash 874026652, now seen corresponding path program 66 times [2021-07-09 17:56:04,444 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:56:04,444 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615615919] [2021-07-09 17:56:04,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:56:04,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:56:04,493 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 21 proven. 19 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:56:04,493 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:56:04,493 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615615919] [2021-07-09 17:56:04,493 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615615919] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:04,493 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [764467342] [2021-07-09 17:56:04,493 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 [2021-07-09 17:56:04,523 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-09 17:56:04,524 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:56:04,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-09 17:56:04,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:56:04,708 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:56:04,708 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [764467342] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:04,708 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:56:04,708 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 13] total 20 [2021-07-09 17:56:04,708 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570125016] [2021-07-09 17:56:04,709 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-09 17:56:04,709 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:56:04,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-09 17:56:04,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=334, Unknown=0, NotChecked=0, Total=420 [2021-07-09 17:56:04,709 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) [2021-07-09 17:56:05,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:56:05,496 INFO L93 Difference]: Finished difference Result 6009 states and 14677 transitions. [2021-07-09 17:56:05,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-09 17:56:05,498 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 [2021-07-09 17:56:05,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:56:05,506 INFO L225 Difference]: With dead ends: 6009 [2021-07-09 17:56:05,506 INFO L226 Difference]: Without dead ends: 6005 [2021-07-09 17:56:05,507 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1206 ImplicationChecksByTransitivity, 709.8ms TimeCoverageRelationStatistics Valid=1087, Invalid=2819, Unknown=0, NotChecked=0, Total=3906 [2021-07-09 17:56:05,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6005 states. [2021-07-09 17:56:05,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6005 to 5062. [2021-07-09 17:56:05,575 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) [2021-07-09 17:56:05,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5062 states to 5062 states and 12739 transitions. [2021-07-09 17:56:05,583 INFO L78 Accepts]: Start accepts. Automaton has 5062 states and 12739 transitions. Word has length 32 [2021-07-09 17:56:05,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:56:05,583 INFO L482 AbstractCegarLoop]: Abstraction has 5062 states and 12739 transitions. [2021-07-09 17:56:05,583 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) [2021-07-09 17:56:05,584 INFO L276 IsEmpty]: Start isEmpty. Operand 5062 states and 12739 transitions. [2021-07-09 17:56:05,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-07-09 17:56:05,587 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:56:05,587 INFO L508 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:56:05,789 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable184,67 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:56:05,789 INFO L430 AbstractCegarLoop]: === Iteration 72 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:56:05,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:56:05,789 INFO L82 PathProgramCache]: Analyzing trace with hash 367680386, now seen corresponding path program 67 times [2021-07-09 17:56:05,789 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:56:05,789 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111563736] [2021-07-09 17:56:05,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:56:05,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:56:05,842 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:56:05,842 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:56:05,842 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111563736] [2021-07-09 17:56:05,842 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111563736] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:05,842 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2106858775] [2021-07-09 17:56:05,843 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 [2021-07-09 17:56:05,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:56:05,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-09 17:56:05,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:56:06,051 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:56:06,051 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2106858775] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:06,051 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:56:06,051 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13] total 21 [2021-07-09 17:56:06,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564109456] [2021-07-09 17:56:06,051 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-09 17:56:06,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:56:06,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-09 17:56:06,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=375, Unknown=0, NotChecked=0, Total=462 [2021-07-09 17:56:06,052 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) [2021-07-09 17:56:06,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:56:06,836 INFO L93 Difference]: Finished difference Result 6244 states and 15277 transitions. [2021-07-09 17:56:06,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-09 17:56:06,837 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 [2021-07-09 17:56:06,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:56:06,845 INFO L225 Difference]: With dead ends: 6244 [2021-07-09 17:56:06,845 INFO L226 Difference]: Without dead ends: 6232 [2021-07-09 17:56:06,845 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1197 ImplicationChecksByTransitivity, 715.3ms TimeCoverageRelationStatistics Valid=1011, Invalid=2895, Unknown=0, NotChecked=0, Total=3906 [2021-07-09 17:56:06,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6232 states. [2021-07-09 17:56:06,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6232 to 5108. [2021-07-09 17:56:06,912 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) [2021-07-09 17:56:06,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5108 states to 5108 states and 12884 transitions. [2021-07-09 17:56:06,920 INFO L78 Accepts]: Start accepts. Automaton has 5108 states and 12884 transitions. Word has length 32 [2021-07-09 17:56:06,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:56:06,920 INFO L482 AbstractCegarLoop]: Abstraction has 5108 states and 12884 transitions. [2021-07-09 17:56:06,920 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) [2021-07-09 17:56:06,920 INFO L276 IsEmpty]: Start isEmpty. Operand 5108 states and 12884 transitions. [2021-07-09 17:56:06,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-07-09 17:56:06,924 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:56:06,924 INFO L508 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:56:07,125 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable185,68 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:56:07,125 INFO L430 AbstractCegarLoop]: === Iteration 73 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:56:07,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:56:07,125 INFO L82 PathProgramCache]: Analyzing trace with hash 140459006, now seen corresponding path program 68 times [2021-07-09 17:56:07,125 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:56:07,125 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606115816] [2021-07-09 17:56:07,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:56:07,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:56:07,181 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 26 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:56:07,181 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:56:07,181 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606115816] [2021-07-09 17:56:07,181 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606115816] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:07,181 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [794001013] [2021-07-09 17:56:07,181 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 [2021-07-09 17:56:07,238 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 17:56:07,238 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:56:07,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-09 17:56:07,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:56:07,402 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 13 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:56:07,403 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [794001013] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:07,403 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:56:07,403 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13] total 22 [2021-07-09 17:56:07,403 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323884379] [2021-07-09 17:56:07,403 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-09 17:56:07,403 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:56:07,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-09 17:56:07,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=413, Unknown=0, NotChecked=0, Total=506 [2021-07-09 17:56:07,404 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) [2021-07-09 17:56:08,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:56:08,247 INFO L93 Difference]: Finished difference Result 6722 states and 16413 transitions. [2021-07-09 17:56:08,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-09 17:56:08,248 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 [2021-07-09 17:56:08,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:56:08,256 INFO L225 Difference]: With dead ends: 6722 [2021-07-09 17:56:08,256 INFO L226 Difference]: Without dead ends: 6702 [2021-07-09 17:56:08,257 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1272 ImplicationChecksByTransitivity, 727.4ms TimeCoverageRelationStatistics Valid=1025, Invalid=3135, Unknown=0, NotChecked=0, Total=4160 [2021-07-09 17:56:08,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6702 states. [2021-07-09 17:56:08,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6702 to 5738. [2021-07-09 17:56:08,352 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) [2021-07-09 17:56:08,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5738 states to 5738 states and 14504 transitions. [2021-07-09 17:56:08,361 INFO L78 Accepts]: Start accepts. Automaton has 5738 states and 14504 transitions. Word has length 32 [2021-07-09 17:56:08,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:56:08,361 INFO L482 AbstractCegarLoop]: Abstraction has 5738 states and 14504 transitions. [2021-07-09 17:56:08,361 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) [2021-07-09 17:56:08,361 INFO L276 IsEmpty]: Start isEmpty. Operand 5738 states and 14504 transitions. [2021-07-09 17:56:08,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-07-09 17:56:08,365 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:56:08,366 INFO L508 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:56:08,566 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable186,69 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:56:08,566 INFO L430 AbstractCegarLoop]: === Iteration 74 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:56:08,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:56:08,567 INFO L82 PathProgramCache]: Analyzing trace with hash 824044922, now seen corresponding path program 69 times [2021-07-09 17:56:08,567 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:56:08,567 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257821671] [2021-07-09 17:56:08,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:56:08,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:56:08,631 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:56:08,632 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:56:08,632 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257821671] [2021-07-09 17:56:08,632 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257821671] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:08,632 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1331406755] [2021-07-09 17:56:08,632 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 [2021-07-09 17:56:08,657 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-07-09 17:56:08,657 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:56:08,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-09 17:56:08,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:56:08,825 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:56:08,825 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1331406755] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:08,825 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:56:08,826 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 23 [2021-07-09 17:56:08,826 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369609339] [2021-07-09 17:56:08,826 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-09 17:56:08,826 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:56:08,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-09 17:56:08,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=449, Unknown=0, NotChecked=0, Total=552 [2021-07-09 17:56:08,826 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) [2021-07-09 17:56:09,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:56:09,704 INFO L93 Difference]: Finished difference Result 7634 states and 18636 transitions. [2021-07-09 17:56:09,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-09 17:56:09,705 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 [2021-07-09 17:56:09,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:56:09,715 INFO L225 Difference]: With dead ends: 7634 [2021-07-09 17:56:09,715 INFO L226 Difference]: Without dead ends: 7606 [2021-07-09 17:56:09,716 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1454 ImplicationChecksByTransitivity, 814.0ms TimeCoverageRelationStatistics Valid=1128, Invalid=3564, Unknown=0, NotChecked=0, Total=4692 [2021-07-09 17:56:09,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7606 states. [2021-07-09 17:56:09,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7606 to 6549. [2021-07-09 17:56:09,845 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) [2021-07-09 17:56:09,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6549 states to 6549 states and 16556 transitions. [2021-07-09 17:56:09,858 INFO L78 Accepts]: Start accepts. Automaton has 6549 states and 16556 transitions. Word has length 32 [2021-07-09 17:56:09,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:56:09,858 INFO L482 AbstractCegarLoop]: Abstraction has 6549 states and 16556 transitions. [2021-07-09 17:56:09,858 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) [2021-07-09 17:56:09,858 INFO L276 IsEmpty]: Start isEmpty. Operand 6549 states and 16556 transitions. [2021-07-09 17:56:09,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-07-09 17:56:09,863 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:56:09,863 INFO L508 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:56:10,064 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187,70 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:56:10,065 INFO L430 AbstractCegarLoop]: === Iteration 75 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:56:10,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:56:10,069 INFO L82 PathProgramCache]: Analyzing trace with hash 620113910, now seen corresponding path program 70 times [2021-07-09 17:56:10,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:56:10,069 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720683489] [2021-07-09 17:56:10,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:56:10,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:56:10,171 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 21 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:56:10,171 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:56:10,171 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720683489] [2021-07-09 17:56:10,171 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720683489] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:10,171 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [52127679] [2021-07-09 17:56:10,171 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 [2021-07-09 17:56:10,196 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-09 17:56:10,196 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:56:10,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-09 17:56:10,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:56:10,391 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 21 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:56:10,391 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [52127679] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:10,391 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:56:10,391 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-07-09 17:56:10,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490481778] [2021-07-09 17:56:10,392 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-09 17:56:10,392 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:56:10,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-09 17:56:10,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=483, Unknown=0, NotChecked=0, Total=600 [2021-07-09 17:56:10,392 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) [2021-07-09 17:56:11,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:56:11,377 INFO L93 Difference]: Finished difference Result 7611 states and 18726 transitions. [2021-07-09 17:56:11,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-09 17:56:11,377 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 [2021-07-09 17:56:11,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:56:11,386 INFO L225 Difference]: With dead ends: 7611 [2021-07-09 17:56:11,386 INFO L226 Difference]: Without dead ends: 7575 [2021-07-09 17:56:11,386 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1782 ImplicationChecksByTransitivity, 934.7ms TimeCoverageRelationStatistics Valid=1318, Invalid=4232, Unknown=0, NotChecked=0, Total=5550 [2021-07-09 17:56:11,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7575 states. [2021-07-09 17:56:11,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7575 to 6635. [2021-07-09 17:56:11,473 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) [2021-07-09 17:56:11,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6635 states to 6635 states and 16832 transitions. [2021-07-09 17:56:11,483 INFO L78 Accepts]: Start accepts. Automaton has 6635 states and 16832 transitions. Word has length 32 [2021-07-09 17:56:11,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:56:11,484 INFO L482 AbstractCegarLoop]: Abstraction has 6635 states and 16832 transitions. [2021-07-09 17:56:11,484 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) [2021-07-09 17:56:11,484 INFO L276 IsEmpty]: Start isEmpty. Operand 6635 states and 16832 transitions. [2021-07-09 17:56:11,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-07-09 17:56:11,489 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:56:11,489 INFO L508 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:56:11,690 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 71 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable188 [2021-07-09 17:56:11,690 INFO L430 AbstractCegarLoop]: === Iteration 76 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:56:11,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:56:11,690 INFO L82 PathProgramCache]: Analyzing trace with hash -617394444, now seen corresponding path program 71 times [2021-07-09 17:56:11,690 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:56:11,690 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806159900] [2021-07-09 17:56:11,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:56:11,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:56:11,723 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:56:11,724 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:56:11,724 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806159900] [2021-07-09 17:56:11,724 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806159900] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:11,724 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [565048576] [2021-07-09 17:56:11,724 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 [2021-07-09 17:56:11,749 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-09 17:56:11,749 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:56:11,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 37 conjunts are in the unsatisfiable core [2021-07-09 17:56:11,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:56:11,902 INFO L354 Elim1Store]: treesize reduction 72, result has 40.5 percent of original size [2021-07-09 17:56:11,903 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 124 treesize of output 105 [2021-07-09 17:56:12,098 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 17:56:12,118 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:56:12,198 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 17:56:12,198 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:124, output treesize:169 [2021-07-09 17:56:12,424 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-07-09 17:56:12,701 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-07-09 17:56:13,039 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 38 [2021-07-09 17:56:13,281 INFO L354 Elim1Store]: treesize reduction 48, result has 40.7 percent of original size [2021-07-09 17:56:13,281 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 [2021-07-09 17:56:13,283 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 17:56:13,291 INFO L628 ElimStorePlain]: treesize reduction 393, result has 0.8 percent of original size [2021-07-09 17:56:13,292 INFO L518 ElimStorePlain]: Eliminatee f_inv vanished before elimination [2021-07-09 17:56:13,292 INFO L518 ElimStorePlain]: Eliminatee v_prenex_53 vanished before elimination [2021-07-09 17:56:13,292 INFO L518 ElimStorePlain]: Eliminatee v_prenex_52 vanished before elimination [2021-07-09 17:56:13,292 INFO L518 ElimStorePlain]: Eliminatee v_prenex_51 vanished before elimination [2021-07-09 17:56:13,292 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 17:56:13,292 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 10 variables, input treesize:486, output treesize:3 [2021-07-09 17:56:13,297 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:56:13,297 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [565048576] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:13,297 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:56:13,298 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12] total 17 [2021-07-09 17:56:13,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728253381] [2021-07-09 17:56:13,298 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-09 17:56:13,298 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:56:13,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-09 17:56:13,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2021-07-09 17:56:13,298 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) [2021-07-09 17:56:13,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:56:13,615 INFO L93 Difference]: Finished difference Result 7761 states and 19541 transitions. [2021-07-09 17:56:13,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 17:56:13,615 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 [2021-07-09 17:56:13,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:56:13,627 INFO L225 Difference]: With dead ends: 7761 [2021-07-09 17:56:13,627 INFO L226 Difference]: Without dead ends: 7754 [2021-07-09 17:56:13,627 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 29 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 732.4ms TimeCoverageRelationStatistics Valid=56, Invalid=324, Unknown=0, NotChecked=0, Total=380 [2021-07-09 17:56:13,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7754 states. [2021-07-09 17:56:13,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7754 to 7360. [2021-07-09 17:56:13,734 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) [2021-07-09 17:56:13,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7360 states to 7360 states and 18734 transitions. [2021-07-09 17:56:13,746 INFO L78 Accepts]: Start accepts. Automaton has 7360 states and 18734 transitions. Word has length 34 [2021-07-09 17:56:13,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:56:13,746 INFO L482 AbstractCegarLoop]: Abstraction has 7360 states and 18734 transitions. [2021-07-09 17:56:13,746 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) [2021-07-09 17:56:13,746 INFO L276 IsEmpty]: Start isEmpty. Operand 7360 states and 18734 transitions. [2021-07-09 17:56:13,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-07-09 17:56:13,752 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:56:13,752 INFO L508 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:56:13,961 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 72 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable189 [2021-07-09 17:56:13,961 INFO L430 AbstractCegarLoop]: === Iteration 77 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:56:13,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:56:13,961 INFO L82 PathProgramCache]: Analyzing trace with hash -100122124, now seen corresponding path program 72 times [2021-07-09 17:56:13,961 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:56:13,961 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907417025] [2021-07-09 17:56:13,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:56:13,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:56:13,997 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-09 17:56:13,997 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:56:13,997 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907417025] [2021-07-09 17:56:13,997 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907417025] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:13,997 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2076346557] [2021-07-09 17:56:13,997 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 [2021-07-09 17:56:14,022 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-09 17:56:14,022 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:56:14,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 37 conjunts are in the unsatisfiable core [2021-07-09 17:56:14,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:56:14,183 INFO L446 ElimStorePlain]: Different costs {10=[f], 36=[f_inv]} [2021-07-09 17:56:14,220 INFO L354 Elim1Store]: treesize reduction 32, result has 60.5 percent of original size [2021-07-09 17:56:14,220 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 [2021-07-09 17:56:14,535 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 17:56:14,557 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:56:14,589 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:56:14,590 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 [2021-07-09 17:56:14,699 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 17:56:14,700 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:56:14,701 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 17:56:14,701 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:158, output treesize:3 [2021-07-09 17:56:14,716 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:56:14,716 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2076346557] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:14,716 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:56:14,716 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12] total 17 [2021-07-09 17:56:14,716 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714716195] [2021-07-09 17:56:14,717 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-09 17:56:14,717 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:56:14,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-09 17:56:14,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2021-07-09 17:56:14,717 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) [2021-07-09 17:56:14,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:56:14,840 INFO L93 Difference]: Finished difference Result 8008 states and 20271 transitions. [2021-07-09 17:56:14,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 17:56:14,840 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 [2021-07-09 17:56:14,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:56:14,852 INFO L225 Difference]: With dead ends: 8008 [2021-07-09 17:56:14,852 INFO L226 Difference]: Without dead ends: 7999 [2021-07-09 17:56:14,852 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 142.8ms TimeCoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2021-07-09 17:56:14,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7999 states. [2021-07-09 17:56:14,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7999 to 7776. [2021-07-09 17:56:14,943 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) [2021-07-09 17:56:14,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7776 states to 7776 states and 19880 transitions. [2021-07-09 17:56:14,958 INFO L78 Accepts]: Start accepts. Automaton has 7776 states and 19880 transitions. Word has length 34 [2021-07-09 17:56:14,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:56:14,958 INFO L482 AbstractCegarLoop]: Abstraction has 7776 states and 19880 transitions. [2021-07-09 17:56:14,958 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) [2021-07-09 17:56:14,958 INFO L276 IsEmpty]: Start isEmpty. Operand 7776 states and 19880 transitions. [2021-07-09 17:56:14,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-07-09 17:56:14,965 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:56:14,965 INFO L508 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:56:15,181 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 73 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable402 [2021-07-09 17:56:15,181 INFO L430 AbstractCegarLoop]: === Iteration 78 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:56:15,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:56:15,182 INFO L82 PathProgramCache]: Analyzing trace with hash -1652349196, now seen corresponding path program 73 times [2021-07-09 17:56:15,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:56:15,182 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092564587] [2021-07-09 17:56:15,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:56:15,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:56:15,209 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-09 17:56:15,209 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:56:15,209 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092564587] [2021-07-09 17:56:15,209 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092564587] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:15,209 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [259347674] [2021-07-09 17:56:15,209 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) [2021-07-09 17:56:15,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 74 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:56:15,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 33 conjunts are in the unsatisfiable core [2021-07-09 17:56:15,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:56:15,461 INFO L354 Elim1Store]: treesize reduction 154, result has 36.1 percent of original size [2021-07-09 17:56:15,461 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 11 new quantified variables, introduced 21 case distinctions, treesize of input 119 treesize of output 127 [2021-07-09 17:56:15,464 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 17:56:15,485 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:56:15,486 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 17:56:15,486 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:119, output treesize:136 [2021-07-09 17:56:15,543 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-07-09 17:56:15,684 INFO L446 ElimStorePlain]: Different costs {3=[f], 6=[v_prenex_54], 10=[v_prenex_55]} [2021-07-09 17:56:15,696 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:56:15,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-09 17:56:15,704 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 17:56:15,709 INFO L628 ElimStorePlain]: treesize reduction 113, result has 2.6 percent of original size [2021-07-09 17:56:15,709 INFO L518 ElimStorePlain]: Eliminatee v_prenex_54 vanished before elimination [2021-07-09 17:56:15,709 INFO L518 ElimStorePlain]: Eliminatee v_prenex_55 vanished before elimination [2021-07-09 17:56:15,709 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 17:56:15,709 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:132, output treesize:3 [2021-07-09 17:56:15,718 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:56:15,718 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [259347674] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:15,718 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:56:15,718 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12] total 17 [2021-07-09 17:56:15,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789199652] [2021-07-09 17:56:15,718 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-09 17:56:15,718 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:56:15,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-09 17:56:15,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2021-07-09 17:56:15,719 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) [2021-07-09 17:56:15,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:56:15,886 INFO L93 Difference]: Finished difference Result 8649 states and 21915 transitions. [2021-07-09 17:56:15,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-09 17:56:15,886 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 [2021-07-09 17:56:15,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:56:15,898 INFO L225 Difference]: With dead ends: 8649 [2021-07-09 17:56:15,898 INFO L226 Difference]: Without dead ends: 8624 [2021-07-09 17:56:15,898 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 280.2ms TimeCoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2021-07-09 17:56:15,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8624 states. [2021-07-09 17:56:15,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8624 to 8091. [2021-07-09 17:56:16,000 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) [2021-07-09 17:56:16,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8091 states to 8091 states and 20770 transitions. [2021-07-09 17:56:16,013 INFO L78 Accepts]: Start accepts. Automaton has 8091 states and 20770 transitions. Word has length 34 [2021-07-09 17:56:16,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:56:16,013 INFO L482 AbstractCegarLoop]: Abstraction has 8091 states and 20770 transitions. [2021-07-09 17:56:16,013 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) [2021-07-09 17:56:16,013 INFO L276 IsEmpty]: Start isEmpty. Operand 8091 states and 20770 transitions. [2021-07-09 17:56:16,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-07-09 17:56:16,019 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:56:16,019 INFO L508 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:56:16,220 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable561,74 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:56:16,220 INFO L430 AbstractCegarLoop]: === Iteration 79 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:56:16,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:56:16,220 INFO L82 PathProgramCache]: Analyzing trace with hash 1306053620, now seen corresponding path program 74 times [2021-07-09 17:56:16,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:56:16,220 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700482687] [2021-07-09 17:56:16,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:56:16,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:56:16,250 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-09 17:56:16,250 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:56:16,250 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700482687] [2021-07-09 17:56:16,250 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700482687] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:16,250 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [22744192] [2021-07-09 17:56:16,250 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 [2021-07-09 17:56:16,283 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 17:56:16,283 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:56:16,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 33 conjunts are in the unsatisfiable core [2021-07-09 17:56:16,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:56:16,421 INFO L354 Elim1Store]: treesize reduction 79, result has 47.7 percent of original size [2021-07-09 17:56:16,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 117 treesize of output 110 [2021-07-09 17:56:16,423 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 17:56:16,445 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:56:16,446 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 17:56:16,446 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:117, output treesize:132 [2021-07-09 17:56:16,527 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-07-09 17:56:16,732 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 35 [2021-07-09 17:56:16,870 INFO L446 ElimStorePlain]: Different costs {6=[v_prenex_58], 10=[f, v_prenex_59]} [2021-07-09 17:56:16,889 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:56:16,890 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 [2021-07-09 17:56:16,891 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 17:56:16,896 INFO L628 ElimStorePlain]: treesize reduction 153, result has 1.9 percent of original size [2021-07-09 17:56:16,896 INFO L518 ElimStorePlain]: Eliminatee f vanished before elimination [2021-07-09 17:56:16,896 INFO L518 ElimStorePlain]: Eliminatee v_prenex_59 vanished before elimination [2021-07-09 17:56:16,897 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 17:56:16,897 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:176, output treesize:3 [2021-07-09 17:56:16,904 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:56:16,905 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [22744192] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:16,905 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:56:16,905 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12] total 17 [2021-07-09 17:56:16,905 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777131524] [2021-07-09 17:56:16,905 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-09 17:56:16,905 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:56:16,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-09 17:56:16,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2021-07-09 17:56:16,905 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) [2021-07-09 17:56:17,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:56:17,083 INFO L93 Difference]: Finished difference Result 9127 states and 23212 transitions. [2021-07-09 17:56:17,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 17:56:17,084 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 [2021-07-09 17:56:17,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:56:17,096 INFO L225 Difference]: With dead ends: 9127 [2021-07-09 17:56:17,097 INFO L226 Difference]: Without dead ends: 9098 [2021-07-09 17:56:17,097 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 335.0ms TimeCoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2021-07-09 17:56:17,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9098 states. [2021-07-09 17:56:17,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9098 to 8475. [2021-07-09 17:56:17,219 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) [2021-07-09 17:56:17,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8475 states to 8475 states and 21838 transitions. [2021-07-09 17:56:17,234 INFO L78 Accepts]: Start accepts. Automaton has 8475 states and 21838 transitions. Word has length 34 [2021-07-09 17:56:17,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:56:17,234 INFO L482 AbstractCegarLoop]: Abstraction has 8475 states and 21838 transitions. [2021-07-09 17:56:17,234 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) [2021-07-09 17:56:17,234 INFO L276 IsEmpty]: Start isEmpty. Operand 8475 states and 21838 transitions. [2021-07-09 17:56:17,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-07-09 17:56:17,241 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:56:17,241 INFO L508 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:56:17,441 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable572,75 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:56:17,442 INFO L430 AbstractCegarLoop]: === Iteration 80 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:56:17,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:56:17,442 INFO L82 PathProgramCache]: Analyzing trace with hash 1062809844, now seen corresponding path program 75 times [2021-07-09 17:56:17,442 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:56:17,442 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624217985] [2021-07-09 17:56:17,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:56:17,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:56:17,475 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-09 17:56:17,476 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:56:17,476 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624217985] [2021-07-09 17:56:17,476 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624217985] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:17,476 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1026556163] [2021-07-09 17:56:17,476 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 [2021-07-09 17:56:17,504 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-07-09 17:56:17,504 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:56:17,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 41 conjunts are in the unsatisfiable core [2021-07-09 17:56:17,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:56:17,685 INFO L446 ElimStorePlain]: Different costs {15=[f_inv], 28=[f]} [2021-07-09 17:56:17,729 INFO L354 Elim1Store]: treesize reduction 74, result has 43.5 percent of original size [2021-07-09 17:56:17,729 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 158 treesize of output 123 [2021-07-09 17:56:17,867 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 17:56:17,887 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:56:17,916 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:56:17,916 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 [2021-07-09 17:56:18,024 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 17:56:18,026 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:56:18,027 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 17:56:18,027 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:158, output treesize:3 [2021-07-09 17:56:18,035 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:56:18,035 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1026556163] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:18,035 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:56:18,035 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12] total 17 [2021-07-09 17:56:18,035 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757678263] [2021-07-09 17:56:18,035 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-09 17:56:18,035 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:56:18,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-09 17:56:18,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2021-07-09 17:56:18,036 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) [2021-07-09 17:56:18,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:56:18,196 INFO L93 Difference]: Finished difference Result 9518 states and 24331 transitions. [2021-07-09 17:56:18,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 17:56:18,196 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 [2021-07-09 17:56:18,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:56:18,210 INFO L225 Difference]: With dead ends: 9518 [2021-07-09 17:56:18,210 INFO L226 Difference]: Without dead ends: 9492 [2021-07-09 17:56:18,210 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 162.3ms TimeCoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2021-07-09 17:56:18,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9492 states. [2021-07-09 17:56:18,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9492 to 8919. [2021-07-09 17:56:18,362 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) [2021-07-09 17:56:18,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8919 states to 8919 states and 23080 transitions. [2021-07-09 17:56:18,378 INFO L78 Accepts]: Start accepts. Automaton has 8919 states and 23080 transitions. Word has length 34 [2021-07-09 17:56:18,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:56:18,378 INFO L482 AbstractCegarLoop]: Abstraction has 8919 states and 23080 transitions. [2021-07-09 17:56:18,378 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) [2021-07-09 17:56:18,378 INFO L276 IsEmpty]: Start isEmpty. Operand 8919 states and 23080 transitions. [2021-07-09 17:56:18,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-07-09 17:56:18,385 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:56:18,385 INFO L508 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:56:18,585 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable595,76 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:56:18,586 INFO L430 AbstractCegarLoop]: === Iteration 81 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:56:18,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:56:18,586 INFO L82 PathProgramCache]: Analyzing trace with hash -766224908, now seen corresponding path program 76 times [2021-07-09 17:56:18,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:56:18,586 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438390825] [2021-07-09 17:56:18,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:56:18,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:56:18,618 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-09 17:56:18,618 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:56:18,619 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438390825] [2021-07-09 17:56:18,619 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438390825] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:18,619 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [598664367] [2021-07-09 17:56:18,619 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 [2021-07-09 17:56:18,643 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-09 17:56:18,643 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:56:18,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 33 conjunts are in the unsatisfiable core [2021-07-09 17:56:18,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:56:18,744 INFO L354 Elim1Store]: treesize reduction 32, result has 60.5 percent of original size [2021-07-09 17:56:18,744 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 [2021-07-09 17:56:18,747 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 17:56:18,767 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:56:18,767 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 17:56:18,768 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:89, output treesize:162 [2021-07-09 17:56:18,873 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-07-09 17:56:19,174 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 38 [2021-07-09 17:56:19,587 INFO L354 Elim1Store]: treesize reduction 48, result has 40.7 percent of original size [2021-07-09 17:56:19,587 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 [2021-07-09 17:56:19,589 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 17:56:19,597 INFO L628 ElimStorePlain]: treesize reduction 393, result has 0.8 percent of original size [2021-07-09 17:56:19,598 INFO L518 ElimStorePlain]: Eliminatee v_prenex_70 vanished before elimination [2021-07-09 17:56:19,598 INFO L518 ElimStorePlain]: Eliminatee f vanished before elimination [2021-07-09 17:56:19,598 INFO L518 ElimStorePlain]: Eliminatee v_prenex_69 vanished before elimination [2021-07-09 17:56:19,598 INFO L518 ElimStorePlain]: Eliminatee v_prenex_68 vanished before elimination [2021-07-09 17:56:19,598 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 17:56:19,598 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 10 variables, input treesize:486, output treesize:3 [2021-07-09 17:56:19,606 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-09 17:56:19,606 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [598664367] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:19,606 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:56:19,606 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12] total 17 [2021-07-09 17:56:19,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393609061] [2021-07-09 17:56:19,606 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-09 17:56:19,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:56:19,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-09 17:56:19,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2021-07-09 17:56:19,607 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) [2021-07-09 17:56:19,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:56:19,884 INFO L93 Difference]: Finished difference Result 9867 states and 25209 transitions. [2021-07-09 17:56:19,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 17:56:19,884 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 [2021-07-09 17:56:19,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:56:19,898 INFO L225 Difference]: With dead ends: 9867 [2021-07-09 17:56:19,898 INFO L226 Difference]: Without dead ends: 9860 [2021-07-09 17:56:19,898 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 531.3ms TimeCoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2021-07-09 17:56:19,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9860 states. [2021-07-09 17:56:20,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9860 to 9257. [2021-07-09 17:56:20,029 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) [2021-07-09 17:56:20,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9257 states to 9257 states and 24025 transitions. [2021-07-09 17:56:20,045 INFO L78 Accepts]: Start accepts. Automaton has 9257 states and 24025 transitions. Word has length 34 [2021-07-09 17:56:20,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:56:20,045 INFO L482 AbstractCegarLoop]: Abstraction has 9257 states and 24025 transitions. [2021-07-09 17:56:20,045 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) [2021-07-09 17:56:20,045 INFO L276 IsEmpty]: Start isEmpty. Operand 9257 states and 24025 transitions. [2021-07-09 17:56:20,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-07-09 17:56:20,053 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:56:20,053 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:56:20,254 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable691,77 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:56:20,254 INFO L430 AbstractCegarLoop]: === Iteration 82 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:56:20,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:56:20,254 INFO L82 PathProgramCache]: Analyzing trace with hash 1975981686, now seen corresponding path program 77 times [2021-07-09 17:56:20,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:56:20,254 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518473638] [2021-07-09 17:56:20,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:56:20,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:56:20,364 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 25 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:56:20,365 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:56:20,365 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518473638] [2021-07-09 17:56:20,365 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518473638] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:20,365 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1415330585] [2021-07-09 17:56:20,365 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 [2021-07-09 17:56:20,391 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-07-09 17:56:20,392 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:56:20,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-09 17:56:20,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:56:20,673 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 25 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:56:20,674 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1415330585] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:20,674 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:56:20,674 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 29 [2021-07-09 17:56:20,674 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891222465] [2021-07-09 17:56:20,674 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-09 17:56:20,674 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:56:20,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-09 17:56:20,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=700, Unknown=0, NotChecked=0, Total=870 [2021-07-09 17:56:20,675 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) [2021-07-09 17:56:22,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:56:22,114 INFO L93 Difference]: Finished difference Result 10763 states and 27124 transitions. [2021-07-09 17:56:22,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-09 17:56:22,114 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 [2021-07-09 17:56:22,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:56:22,132 INFO L225 Difference]: With dead ends: 10763 [2021-07-09 17:56:22,132 INFO L226 Difference]: Without dead ends: 10763 [2021-07-09 17:56:22,133 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2236 ImplicationChecksByTransitivity, 1287.1ms TimeCoverageRelationStatistics Valid=2085, Invalid=5925, Unknown=0, NotChecked=0, Total=8010 [2021-07-09 17:56:22,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10763 states. [2021-07-09 17:56:22,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10763 to 8556. [2021-07-09 17:56:22,264 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) [2021-07-09 17:56:22,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8556 states to 8556 states and 22130 transitions. [2021-07-09 17:56:22,285 INFO L78 Accepts]: Start accepts. Automaton has 8556 states and 22130 transitions. Word has length 36 [2021-07-09 17:56:22,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:56:22,285 INFO L482 AbstractCegarLoop]: Abstraction has 8556 states and 22130 transitions. [2021-07-09 17:56:22,285 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) [2021-07-09 17:56:22,285 INFO L276 IsEmpty]: Start isEmpty. Operand 8556 states and 22130 transitions. [2021-07-09 17:56:22,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-07-09 17:56:22,295 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:56:22,295 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:56:22,501 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 78 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable731 [2021-07-09 17:56:22,501 INFO L430 AbstractCegarLoop]: === Iteration 83 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:56:22,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:56:22,501 INFO L82 PathProgramCache]: Analyzing trace with hash -1533628238, now seen corresponding path program 78 times [2021-07-09 17:56:22,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:56:22,501 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392985707] [2021-07-09 17:56:22,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:56:22,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:56:22,596 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 36 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:56:22,596 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:56:22,597 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392985707] [2021-07-09 17:56:22,597 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392985707] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:22,597 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1512550750] [2021-07-09 17:56:22,597 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 [2021-07-09 17:56:22,625 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-09 17:56:22,625 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:56:22,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-09 17:56:22,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:56:22,903 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 36 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:56:22,903 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1512550750] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:22,903 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:56:22,903 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2021-07-09 17:56:22,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341376686] [2021-07-09 17:56:22,904 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-09 17:56:22,904 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:56:22,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-09 17:56:22,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=670, Unknown=0, NotChecked=0, Total=812 [2021-07-09 17:56:22,904 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) [2021-07-09 17:56:25,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:56:25,019 INFO L93 Difference]: Finished difference Result 12764 states and 31601 transitions. [2021-07-09 17:56:25,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2021-07-09 17:56:25,020 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 [2021-07-09 17:56:25,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:56:25,064 INFO L225 Difference]: With dead ends: 12764 [2021-07-09 17:56:25,065 INFO L226 Difference]: Without dead ends: 12621 [2021-07-09 17:56:25,065 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4553 ImplicationChecksByTransitivity, 2007.3ms TimeCoverageRelationStatistics Valid=2979, Invalid=10827, Unknown=0, NotChecked=0, Total=13806 [2021-07-09 17:56:25,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12621 states. [2021-07-09 17:56:25,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12621 to 8919. [2021-07-09 17:56:25,204 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) [2021-07-09 17:56:25,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8919 states to 8919 states and 23058 transitions. [2021-07-09 17:56:25,221 INFO L78 Accepts]: Start accepts. Automaton has 8919 states and 23058 transitions. Word has length 36 [2021-07-09 17:56:25,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:56:25,222 INFO L482 AbstractCegarLoop]: Abstraction has 8919 states and 23058 transitions. [2021-07-09 17:56:25,222 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) [2021-07-09 17:56:25,222 INFO L276 IsEmpty]: Start isEmpty. Operand 8919 states and 23058 transitions. [2021-07-09 17:56:25,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-07-09 17:56:25,230 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:56:25,230 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:56:25,430 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 79 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable732 [2021-07-09 17:56:25,431 INFO L430 AbstractCegarLoop]: === Iteration 84 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:56:25,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:56:25,431 INFO L82 PathProgramCache]: Analyzing trace with hash 800183698, now seen corresponding path program 79 times [2021-07-09 17:56:25,431 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:56:25,431 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904443782] [2021-07-09 17:56:25,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:56:25,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:56:25,486 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 36 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:56:25,487 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:56:25,487 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904443782] [2021-07-09 17:56:25,487 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904443782] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:25,487 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [52632062] [2021-07-09 17:56:25,487 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 [2021-07-09 17:56:25,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:56:25,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-09 17:56:25,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:56:25,711 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 36 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:56:25,711 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [52632062] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:25,711 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:56:25,711 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 15] total 23 [2021-07-09 17:56:25,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790827480] [2021-07-09 17:56:25,711 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-09 17:56:25,711 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:56:25,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-09 17:56:25,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=455, Unknown=0, NotChecked=0, Total=552 [2021-07-09 17:56:25,712 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) [2021-07-09 17:56:27,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:56:27,461 INFO L93 Difference]: Finished difference Result 16283 states and 41247 transitions. [2021-07-09 17:56:27,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-07-09 17:56:27,461 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 [2021-07-09 17:56:27,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:56:27,488 INFO L225 Difference]: With dead ends: 16283 [2021-07-09 17:56:27,489 INFO L226 Difference]: Without dead ends: 16267 [2021-07-09 17:56:27,489 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3729 ImplicationChecksByTransitivity, 1474.3ms TimeCoverageRelationStatistics Valid=2811, Invalid=7695, Unknown=0, NotChecked=0, Total=10506 [2021-07-09 17:56:27,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16267 states. [2021-07-09 17:56:27,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16267 to 11626. [2021-07-09 17:56:27,698 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) [2021-07-09 17:56:27,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11626 states to 11626 states and 30046 transitions. [2021-07-09 17:56:27,720 INFO L78 Accepts]: Start accepts. Automaton has 11626 states and 30046 transitions. Word has length 36 [2021-07-09 17:56:27,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:56:27,720 INFO L482 AbstractCegarLoop]: Abstraction has 11626 states and 30046 transitions. [2021-07-09 17:56:27,720 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) [2021-07-09 17:56:27,720 INFO L276 IsEmpty]: Start isEmpty. Operand 11626 states and 30046 transitions. [2021-07-09 17:56:27,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-07-09 17:56:27,730 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:56:27,730 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:56:27,930 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable733,80 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:56:27,931 INFO L430 AbstractCegarLoop]: === Iteration 85 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:56:27,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:56:27,931 INFO L82 PathProgramCache]: Analyzing trace with hash -583714384, now seen corresponding path program 80 times [2021-07-09 17:56:27,931 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:56:27,931 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701563226] [2021-07-09 17:56:27,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:56:27,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:56:27,996 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 31 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:56:27,997 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:56:27,997 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701563226] [2021-07-09 17:56:27,997 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701563226] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:27,997 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2089404055] [2021-07-09 17:56:27,997 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 [2021-07-09 17:56:28,025 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 17:56:28,025 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:56:28,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-09 17:56:28,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:56:28,235 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 31 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:56:28,235 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2089404055] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:28,235 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:56:28,235 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 15] total 23 [2021-07-09 17:56:28,235 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124623569] [2021-07-09 17:56:28,235 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-09 17:56:28,235 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:56:28,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-09 17:56:28,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=424, Unknown=0, NotChecked=0, Total=552 [2021-07-09 17:56:28,236 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) [2021-07-09 17:56:29,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:56:29,522 INFO L93 Difference]: Finished difference Result 12191 states and 31159 transitions. [2021-07-09 17:56:29,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-09 17:56:29,523 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 [2021-07-09 17:56:29,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:56:29,542 INFO L225 Difference]: With dead ends: 12191 [2021-07-09 17:56:29,542 INFO L226 Difference]: Without dead ends: 12187 [2021-07-09 17:56:29,543 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2261 ImplicationChecksByTransitivity, 1190.7ms TimeCoverageRelationStatistics Valid=1724, Invalid=5416, Unknown=0, NotChecked=0, Total=7140 [2021-07-09 17:56:29,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12187 states. [2021-07-09 17:56:29,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12187 to 11626. [2021-07-09 17:56:29,697 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) [2021-07-09 17:56:29,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11626 states to 11626 states and 30038 transitions. [2021-07-09 17:56:29,719 INFO L78 Accepts]: Start accepts. Automaton has 11626 states and 30038 transitions. Word has length 36 [2021-07-09 17:56:29,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:56:29,719 INFO L482 AbstractCegarLoop]: Abstraction has 11626 states and 30038 transitions. [2021-07-09 17:56:29,719 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) [2021-07-09 17:56:29,719 INFO L276 IsEmpty]: Start isEmpty. Operand 11626 states and 30038 transitions. [2021-07-09 17:56:29,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-07-09 17:56:29,729 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:56:29,729 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:56:29,929 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 81 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable734 [2021-07-09 17:56:29,929 INFO L430 AbstractCegarLoop]: === Iteration 86 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:56:29,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:56:29,930 INFO L82 PathProgramCache]: Analyzing trace with hash 1643832242, now seen corresponding path program 81 times [2021-07-09 17:56:29,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:56:29,930 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185708420] [2021-07-09 17:56:29,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:56:29,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:56:29,983 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 39 proven. 21 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:56:29,983 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:56:29,984 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185708420] [2021-07-09 17:56:29,984 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185708420] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:29,984 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1798167901] [2021-07-09 17:56:29,984 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 [2021-07-09 17:56:30,011 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-07-09 17:56:30,011 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:56:30,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-09 17:56:30,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:56:30,213 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 31 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:56:30,214 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1798167901] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:30,214 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:56:30,214 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 15] total 23 [2021-07-09 17:56:30,214 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543830039] [2021-07-09 17:56:30,214 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-09 17:56:30,214 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:56:30,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-09 17:56:30,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=455, Unknown=0, NotChecked=0, Total=552 [2021-07-09 17:56:30,215 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) [2021-07-09 17:56:31,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:56:31,245 INFO L93 Difference]: Finished difference Result 15216 states and 38818 transitions. [2021-07-09 17:56:31,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-07-09 17:56:31,245 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 [2021-07-09 17:56:31,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:56:31,269 INFO L225 Difference]: With dead ends: 15216 [2021-07-09 17:56:31,269 INFO L226 Difference]: Without dead ends: 15195 [2021-07-09 17:56:31,269 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1417 ImplicationChecksByTransitivity, 833.0ms TimeCoverageRelationStatistics Valid=1176, Invalid=3654, Unknown=0, NotChecked=0, Total=4830 [2021-07-09 17:56:31,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15195 states. [2021-07-09 17:56:31,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15195 to 11850. [2021-07-09 17:56:31,458 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) [2021-07-09 17:56:31,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11850 states to 11850 states and 30730 transitions. [2021-07-09 17:56:31,481 INFO L78 Accepts]: Start accepts. Automaton has 11850 states and 30730 transitions. Word has length 36 [2021-07-09 17:56:31,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:56:31,481 INFO L482 AbstractCegarLoop]: Abstraction has 11850 states and 30730 transitions. [2021-07-09 17:56:31,481 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) [2021-07-09 17:56:31,481 INFO L276 IsEmpty]: Start isEmpty. Operand 11850 states and 30730 transitions. [2021-07-09 17:56:31,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-07-09 17:56:31,490 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:56:31,490 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:56:31,690 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable735,82 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:56:31,690 INFO L430 AbstractCegarLoop]: === Iteration 87 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:56:31,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:56:31,691 INFO L82 PathProgramCache]: Analyzing trace with hash -1511339966, now seen corresponding path program 82 times [2021-07-09 17:56:31,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:56:31,691 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549575341] [2021-07-09 17:56:31,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:56:31,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:56:31,753 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 27 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:56:31,754 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:56:31,754 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549575341] [2021-07-09 17:56:31,754 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549575341] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:31,754 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [608716523] [2021-07-09 17:56:31,754 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 [2021-07-09 17:56:31,779 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-09 17:56:31,780 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:56:31,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-09 17:56:31,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:56:31,985 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 27 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:56:31,985 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [608716523] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:31,985 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:56:31,986 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 15] total 24 [2021-07-09 17:56:31,986 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152528766] [2021-07-09 17:56:31,986 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-09 17:56:31,986 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:56:31,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-09 17:56:31,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=475, Unknown=0, NotChecked=0, Total=600 [2021-07-09 17:56:31,986 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) [2021-07-09 17:56:33,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:56:33,393 INFO L93 Difference]: Finished difference Result 13259 states and 33760 transitions. [2021-07-09 17:56:33,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-09 17:56:33,394 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 [2021-07-09 17:56:33,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:56:33,419 INFO L225 Difference]: With dead ends: 13259 [2021-07-09 17:56:33,420 INFO L226 Difference]: Without dead ends: 13241 [2021-07-09 17:56:33,420 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2419 ImplicationChecksByTransitivity, 1219.1ms TimeCoverageRelationStatistics Valid=1777, Invalid=5705, Unknown=0, NotChecked=0, Total=7482 [2021-07-09 17:56:33,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13241 states. [2021-07-09 17:56:33,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13241 to 12104. [2021-07-09 17:56:33,596 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) [2021-07-09 17:56:33,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12104 states to 12104 states and 31415 transitions. [2021-07-09 17:56:33,621 INFO L78 Accepts]: Start accepts. Automaton has 12104 states and 31415 transitions. Word has length 36 [2021-07-09 17:56:33,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:56:33,621 INFO L482 AbstractCegarLoop]: Abstraction has 12104 states and 31415 transitions. [2021-07-09 17:56:33,621 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) [2021-07-09 17:56:33,621 INFO L276 IsEmpty]: Start isEmpty. Operand 12104 states and 31415 transitions. [2021-07-09 17:56:33,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-07-09 17:56:33,630 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:56:33,630 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:56:33,830 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable736,83 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:56:33,831 INFO L430 AbstractCegarLoop]: === Iteration 88 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:56:33,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:56:33,831 INFO L82 PathProgramCache]: Analyzing trace with hash 1219841470, now seen corresponding path program 83 times [2021-07-09 17:56:33,831 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:56:33,831 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616531427] [2021-07-09 17:56:33,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:56:33,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:56:33,905 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 22 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:56:33,905 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:56:33,905 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616531427] [2021-07-09 17:56:33,905 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616531427] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:33,905 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [560671880] [2021-07-09 17:56:33,905 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-07-09 17:56:33,939 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2021-07-09 17:56:33,940 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:56:33,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-09 17:56:33,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:56:34,159 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 22 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:56:34,159 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [560671880] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:34,159 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:56:34,159 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15] total 25 [2021-07-09 17:56:34,159 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216652728] [2021-07-09 17:56:34,159 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-09 17:56:34,160 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:56:34,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-09 17:56:34,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=524, Unknown=0, NotChecked=0, Total=650 [2021-07-09 17:56:34,160 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) [2021-07-09 17:56:35,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:56:35,527 INFO L93 Difference]: Finished difference Result 13923 states and 35275 transitions. [2021-07-09 17:56:35,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-09 17:56:35,528 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 [2021-07-09 17:56:35,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:56:35,548 INFO L225 Difference]: With dead ends: 13923 [2021-07-09 17:56:35,549 INFO L226 Difference]: Without dead ends: 13889 [2021-07-09 17:56:35,549 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2629 ImplicationChecksByTransitivity, 1170.6ms TimeCoverageRelationStatistics Valid=1841, Invalid=5991, Unknown=0, NotChecked=0, Total=7832 [2021-07-09 17:56:35,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13889 states. [2021-07-09 17:56:35,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13889 to 11939. [2021-07-09 17:56:35,703 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) [2021-07-09 17:56:35,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11939 states to 11939 states and 31019 transitions. [2021-07-09 17:56:35,724 INFO L78 Accepts]: Start accepts. Automaton has 11939 states and 31019 transitions. Word has length 36 [2021-07-09 17:56:35,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:56:35,724 INFO L482 AbstractCegarLoop]: Abstraction has 11939 states and 31019 transitions. [2021-07-09 17:56:35,724 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) [2021-07-09 17:56:35,725 INFO L276 IsEmpty]: Start isEmpty. Operand 11939 states and 31019 transitions. [2021-07-09 17:56:35,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-07-09 17:56:35,734 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:56:35,734 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:56:35,935 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable737,84 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:56:35,935 INFO L430 AbstractCegarLoop]: === Iteration 89 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:56:35,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:56:35,935 INFO L82 PathProgramCache]: Analyzing trace with hash 1660183610, now seen corresponding path program 84 times [2021-07-09 17:56:35,935 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:56:35,935 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288320816] [2021-07-09 17:56:35,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:56:35,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:56:36,010 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 21 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:56:36,010 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:56:36,010 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288320816] [2021-07-09 17:56:36,010 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288320816] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:36,010 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [859332662] [2021-07-09 17:56:36,010 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 [2021-07-09 17:56:36,040 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2021-07-09 17:56:36,040 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:56:36,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-09 17:56:36,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:56:36,251 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 21 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:56:36,251 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [859332662] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:36,251 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:56:36,251 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15] total 26 [2021-07-09 17:56:36,251 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037089903] [2021-07-09 17:56:36,252 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-09 17:56:36,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:56:36,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-09 17:56:36,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=571, Unknown=0, NotChecked=0, Total=702 [2021-07-09 17:56:36,252 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) [2021-07-09 17:56:37,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:56:37,645 INFO L93 Difference]: Finished difference Result 14229 states and 35822 transitions. [2021-07-09 17:56:37,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-09 17:56:37,645 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 [2021-07-09 17:56:37,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:56:37,669 INFO L225 Difference]: With dead ends: 14229 [2021-07-09 17:56:37,669 INFO L226 Difference]: Without dead ends: 14185 [2021-07-09 17:56:37,670 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2812 ImplicationChecksByTransitivity, 1162.7ms TimeCoverageRelationStatistics Valid=1915, Invalid=6275, Unknown=0, NotChecked=0, Total=8190 [2021-07-09 17:56:37,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14185 states. [2021-07-09 17:56:37,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14185 to 11149. [2021-07-09 17:56:37,843 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) [2021-07-09 17:56:37,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11149 states to 11149 states and 28998 transitions. [2021-07-09 17:56:37,863 INFO L78 Accepts]: Start accepts. Automaton has 11149 states and 28998 transitions. Word has length 36 [2021-07-09 17:56:37,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:56:37,863 INFO L482 AbstractCegarLoop]: Abstraction has 11149 states and 28998 transitions. [2021-07-09 17:56:37,863 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) [2021-07-09 17:56:37,863 INFO L276 IsEmpty]: Start isEmpty. Operand 11149 states and 28998 transitions. [2021-07-09 17:56:37,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-07-09 17:56:37,872 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:56:37,872 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:56:38,072 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 85 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable738 [2021-07-09 17:56:38,073 INFO L430 AbstractCegarLoop]: === Iteration 90 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:56:38,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:56:38,073 INFO L82 PathProgramCache]: Analyzing trace with hash -372782154, now seen corresponding path program 85 times [2021-07-09 17:56:38,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:56:38,073 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704554408] [2021-07-09 17:56:38,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:56:38,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:56:38,165 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 24 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:56:38,166 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:56:38,166 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704554408] [2021-07-09 17:56:38,166 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704554408] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:38,166 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2090428972] [2021-07-09 17:56:38,166 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 [2021-07-09 17:56:38,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:56:38,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-09 17:56:38,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:56:38,410 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 24 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:56:38,411 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2090428972] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:38,411 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:56:38,411 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 27 [2021-07-09 17:56:38,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251171404] [2021-07-09 17:56:38,411 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-09 17:56:38,411 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:56:38,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-09 17:56:38,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=616, Unknown=0, NotChecked=0, Total=756 [2021-07-09 17:56:38,411 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) [2021-07-09 17:56:39,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:56:39,779 INFO L93 Difference]: Finished difference Result 13990 states and 34960 transitions. [2021-07-09 17:56:39,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-09 17:56:39,779 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 [2021-07-09 17:56:39,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:56:39,801 INFO L225 Difference]: With dead ends: 13990 [2021-07-09 17:56:39,801 INFO L226 Difference]: Without dead ends: 13948 [2021-07-09 17:56:39,801 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2949 ImplicationChecksByTransitivity, 1234.1ms TimeCoverageRelationStatistics Valid=1998, Invalid=6558, Unknown=0, NotChecked=0, Total=8556 [2021-07-09 17:56:39,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13948 states. [2021-07-09 17:56:39,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13948 to 9962. [2021-07-09 17:56:39,953 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) [2021-07-09 17:56:39,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9962 states to 9962 states and 25876 transitions. [2021-07-09 17:56:39,971 INFO L78 Accepts]: Start accepts. Automaton has 9962 states and 25876 transitions. Word has length 36 [2021-07-09 17:56:39,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:56:39,971 INFO L482 AbstractCegarLoop]: Abstraction has 9962 states and 25876 transitions. [2021-07-09 17:56:39,971 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) [2021-07-09 17:56:39,971 INFO L276 IsEmpty]: Start isEmpty. Operand 9962 states and 25876 transitions. [2021-07-09 17:56:39,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-07-09 17:56:39,978 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:56:39,978 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:56:40,178 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable739,86 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:56:40,179 INFO L430 AbstractCegarLoop]: === Iteration 91 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:56:40,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:56:40,179 INFO L82 PathProgramCache]: Analyzing trace with hash -1742466442, now seen corresponding path program 86 times [2021-07-09 17:56:40,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:56:40,179 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737755412] [2021-07-09 17:56:40,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:56:40,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:56:40,279 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 24 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:56:40,280 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:56:40,280 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737755412] [2021-07-09 17:56:40,280 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737755412] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:40,280 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1196751020] [2021-07-09 17:56:40,280 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 [2021-07-09 17:56:40,306 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 17:56:40,306 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:56:40,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-09 17:56:40,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:56:40,524 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 20 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:56:40,525 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1196751020] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:40,525 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:56:40,525 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2021-07-09 17:56:40,525 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916226915] [2021-07-09 17:56:40,525 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-09 17:56:40,525 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:56:40,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-09 17:56:40,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=665, Unknown=0, NotChecked=0, Total=812 [2021-07-09 17:56:40,526 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) [2021-07-09 17:56:41,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:56:41,957 INFO L93 Difference]: Finished difference Result 12322 states and 30673 transitions. [2021-07-09 17:56:41,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-09 17:56:41,957 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 [2021-07-09 17:56:41,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:56:41,976 INFO L225 Difference]: With dead ends: 12322 [2021-07-09 17:56:41,977 INFO L226 Difference]: Without dead ends: 12322 [2021-07-09 17:56:41,977 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2304 ImplicationChecksByTransitivity, 1238.0ms TimeCoverageRelationStatistics Valid=1981, Invalid=6029, Unknown=0, NotChecked=0, Total=8010 [2021-07-09 17:56:41,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12322 states. [2021-07-09 17:56:42,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12322 to 8944. [2021-07-09 17:56:42,104 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) [2021-07-09 17:56:42,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8944 states to 8944 states and 23159 transitions. [2021-07-09 17:56:42,120 INFO L78 Accepts]: Start accepts. Automaton has 8944 states and 23159 transitions. Word has length 36 [2021-07-09 17:56:42,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:56:42,120 INFO L482 AbstractCegarLoop]: Abstraction has 8944 states and 23159 transitions. [2021-07-09 17:56:42,121 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) [2021-07-09 17:56:42,121 INFO L276 IsEmpty]: Start isEmpty. Operand 8944 states and 23159 transitions. [2021-07-09 17:56:42,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-07-09 17:56:42,127 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:56:42,127 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:56:42,328 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 87 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable740 [2021-07-09 17:56:42,328 INFO L430 AbstractCegarLoop]: === Iteration 92 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:56:42,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:56:42,328 INFO L82 PathProgramCache]: Analyzing trace with hash 1833765810, now seen corresponding path program 87 times [2021-07-09 17:56:42,328 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:56:42,328 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446771906] [2021-07-09 17:56:42,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:56:42,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:56:42,411 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 27 proven. 33 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:56:42,411 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:56:42,411 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446771906] [2021-07-09 17:56:42,411 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446771906] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:42,411 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [787750084] [2021-07-09 17:56:42,411 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 [2021-07-09 17:56:42,438 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-07-09 17:56:42,438 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:56:42,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-09 17:56:42,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:56:42,656 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 27 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:56:42,656 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [787750084] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:42,656 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:56:42,656 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 27 [2021-07-09 17:56:42,656 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704171759] [2021-07-09 17:56:42,656 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-09 17:56:42,657 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:56:42,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-09 17:56:42,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=626, Unknown=0, NotChecked=0, Total=756 [2021-07-09 17:56:42,657 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) [2021-07-09 17:56:44,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:56:44,185 INFO L93 Difference]: Finished difference Result 10626 states and 26434 transitions. [2021-07-09 17:56:44,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-09 17:56:44,186 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 [2021-07-09 17:56:44,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:56:44,200 INFO L225 Difference]: With dead ends: 10626 [2021-07-09 17:56:44,200 INFO L226 Difference]: Without dead ends: 10527 [2021-07-09 17:56:44,201 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3285 ImplicationChecksByTransitivity, 1367.0ms TimeCoverageRelationStatistics Valid=2020, Invalid=7486, Unknown=0, NotChecked=0, Total=9506 [2021-07-09 17:56:44,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10527 states. [2021-07-09 17:56:44,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10527 to 8656. [2021-07-09 17:56:44,326 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) [2021-07-09 17:56:44,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8656 states to 8656 states and 22304 transitions. [2021-07-09 17:56:44,341 INFO L78 Accepts]: Start accepts. Automaton has 8656 states and 22304 transitions. Word has length 36 [2021-07-09 17:56:44,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:56:44,341 INFO L482 AbstractCegarLoop]: Abstraction has 8656 states and 22304 transitions. [2021-07-09 17:56:44,341 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) [2021-07-09 17:56:44,341 INFO L276 IsEmpty]: Start isEmpty. Operand 8656 states and 22304 transitions. [2021-07-09 17:56:44,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-07-09 17:56:44,347 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:56:44,347 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:56:44,548 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 88 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable741 [2021-07-09 17:56:44,548 INFO L430 AbstractCegarLoop]: === Iteration 93 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:56:44,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:56:44,548 INFO L82 PathProgramCache]: Analyzing trace with hash 1703939702, now seen corresponding path program 88 times [2021-07-09 17:56:44,548 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:56:44,548 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910083114] [2021-07-09 17:56:44,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:56:44,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:56:44,637 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 23 proven. 37 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:56:44,637 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:56:44,637 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910083114] [2021-07-09 17:56:44,637 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910083114] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:44,637 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [733149645] [2021-07-09 17:56:44,637 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 [2021-07-09 17:56:44,664 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-09 17:56:44,664 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:56:44,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-09 17:56:44,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:56:44,874 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 20 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:56:44,874 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [733149645] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:44,874 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:56:44,874 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 27 [2021-07-09 17:56:44,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099443636] [2021-07-09 17:56:44,875 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-09 17:56:44,875 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:56:44,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-09 17:56:44,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=624, Unknown=0, NotChecked=0, Total=756 [2021-07-09 17:56:44,875 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) [2021-07-09 17:56:46,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:56:46,419 INFO L93 Difference]: Finished difference Result 11669 states and 28734 transitions. [2021-07-09 17:56:46,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-07-09 17:56:46,419 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 [2021-07-09 17:56:46,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:56:46,437 INFO L225 Difference]: With dead ends: 11669 [2021-07-09 17:56:46,437 INFO L226 Difference]: Without dead ends: 11669 [2021-07-09 17:56:46,438 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2824 ImplicationChecksByTransitivity, 1301.4ms TimeCoverageRelationStatistics Valid=2270, Invalid=6660, Unknown=0, NotChecked=0, Total=8930 [2021-07-09 17:56:46,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11669 states. [2021-07-09 17:56:46,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11669 to 7769. [2021-07-09 17:56:46,564 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) [2021-07-09 17:56:46,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7769 states to 7769 states and 19892 transitions. [2021-07-09 17:56:46,577 INFO L78 Accepts]: Start accepts. Automaton has 7769 states and 19892 transitions. Word has length 36 [2021-07-09 17:56:46,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:56:46,578 INFO L482 AbstractCegarLoop]: Abstraction has 7769 states and 19892 transitions. [2021-07-09 17:56:46,578 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) [2021-07-09 17:56:46,578 INFO L276 IsEmpty]: Start isEmpty. Operand 7769 states and 19892 transitions. [2021-07-09 17:56:46,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-07-09 17:56:46,584 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:56:46,584 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:56:46,784 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable742,89 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:56:46,785 INFO L430 AbstractCegarLoop]: === Iteration 94 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:56:46,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:56:46,785 INFO L82 PathProgramCache]: Analyzing trace with hash 366880434, now seen corresponding path program 89 times [2021-07-09 17:56:46,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:56:46,785 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776402289] [2021-07-09 17:56:46,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:56:46,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:56:46,857 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 23 proven. 37 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:56:46,857 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:56:46,858 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776402289] [2021-07-09 17:56:46,858 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776402289] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:46,858 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1892907021] [2021-07-09 17:56:46,858 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 [2021-07-09 17:56:46,884 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-09 17:56:46,884 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:56:46,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-09 17:56:46,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:56:47,093 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 22 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:56:47,094 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1892907021] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:47,094 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:56:47,094 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15] total 26 [2021-07-09 17:56:47,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594874444] [2021-07-09 17:56:47,094 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-09 17:56:47,094 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:56:47,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-09 17:56:47,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=580, Unknown=0, NotChecked=0, Total=702 [2021-07-09 17:56:47,094 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) [2021-07-09 17:56:48,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:56:48,459 INFO L93 Difference]: Finished difference Result 9358 states and 23204 transitions. [2021-07-09 17:56:48,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-07-09 17:56:48,459 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 [2021-07-09 17:56:48,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:56:48,475 INFO L225 Difference]: With dead ends: 9358 [2021-07-09 17:56:48,475 INFO L226 Difference]: Without dead ends: 9292 [2021-07-09 17:56:48,476 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2837 ImplicationChecksByTransitivity, 1198.6ms TimeCoverageRelationStatistics Valid=1697, Invalid=6313, Unknown=0, NotChecked=0, Total=8010 [2021-07-09 17:56:48,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9292 states. [2021-07-09 17:56:48,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9292 to 7746. [2021-07-09 17:56:48,600 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) [2021-07-09 17:56:48,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7746 states to 7746 states and 19778 transitions. [2021-07-09 17:56:48,614 INFO L78 Accepts]: Start accepts. Automaton has 7746 states and 19778 transitions. Word has length 36 [2021-07-09 17:56:48,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:56:48,614 INFO L482 AbstractCegarLoop]: Abstraction has 7746 states and 19778 transitions. [2021-07-09 17:56:48,614 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) [2021-07-09 17:56:48,614 INFO L276 IsEmpty]: Start isEmpty. Operand 7746 states and 19778 transitions. [2021-07-09 17:56:48,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-07-09 17:56:48,620 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:56:48,620 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:56:48,821 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable743,90 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:56:48,821 INFO L430 AbstractCegarLoop]: === Iteration 95 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:56:48,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:56:48,821 INFO L82 PathProgramCache]: Analyzing trace with hash 1439369846, now seen corresponding path program 90 times [2021-07-09 17:56:48,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:56:48,821 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238043679] [2021-07-09 17:56:48,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:56:48,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:56:48,897 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 22 proven. 38 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:56:48,897 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:56:48,897 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238043679] [2021-07-09 17:56:48,897 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238043679] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:48,897 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1831249969] [2021-07-09 17:56:48,897 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 [2021-07-09 17:56:48,924 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-09 17:56:48,924 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:56:48,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-09 17:56:48,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:56:49,136 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 20 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:56:49,136 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1831249969] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:49,137 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:56:49,137 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15] total 26 [2021-07-09 17:56:49,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422108670] [2021-07-09 17:56:49,137 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-09 17:56:49,137 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:56:49,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-09 17:56:49,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=581, Unknown=0, NotChecked=0, Total=702 [2021-07-09 17:56:49,137 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) [2021-07-09 17:56:50,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:56:50,872 INFO L93 Difference]: Finished difference Result 11275 states and 27529 transitions. [2021-07-09 17:56:50,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-09 17:56:50,872 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 [2021-07-09 17:56:50,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:56:50,888 INFO L225 Difference]: With dead ends: 11275 [2021-07-09 17:56:50,888 INFO L226 Difference]: Without dead ends: 11275 [2021-07-09 17:56:50,889 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3564 ImplicationChecksByTransitivity, 1483.0ms TimeCoverageRelationStatistics Valid=2740, Invalid=7562, Unknown=0, NotChecked=0, Total=10302 [2021-07-09 17:56:50,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11275 states. [2021-07-09 17:56:51,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11275 to 7094. [2021-07-09 17:56:51,017 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) [2021-07-09 17:56:51,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7094 states to 7094 states and 17958 transitions. [2021-07-09 17:56:51,030 INFO L78 Accepts]: Start accepts. Automaton has 7094 states and 17958 transitions. Word has length 36 [2021-07-09 17:56:51,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:56:51,030 INFO L482 AbstractCegarLoop]: Abstraction has 7094 states and 17958 transitions. [2021-07-09 17:56:51,030 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) [2021-07-09 17:56:51,031 INFO L276 IsEmpty]: Start isEmpty. Operand 7094 states and 17958 transitions. [2021-07-09 17:56:51,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-07-09 17:56:51,036 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:56:51,036 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:56:51,236 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 91 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable744 [2021-07-09 17:56:51,237 INFO L430 AbstractCegarLoop]: === Iteration 96 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:56:51,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:56:51,237 INFO L82 PathProgramCache]: Analyzing trace with hash 1442447794, now seen corresponding path program 91 times [2021-07-09 17:56:51,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:56:51,237 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673172351] [2021-07-09 17:56:51,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:56:51,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:56:51,307 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 23 proven. 37 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:56:51,307 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:56:51,307 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673172351] [2021-07-09 17:56:51,307 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673172351] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:51,307 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [979673816] [2021-07-09 17:56:51,307 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 [2021-07-09 17:56:51,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:56:51,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-09 17:56:51,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:56:51,550 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 21 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:56:51,550 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [979673816] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:51,550 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:56:51,550 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15] total 25 [2021-07-09 17:56:51,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729389434] [2021-07-09 17:56:51,551 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-09 17:56:51,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:56:51,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-09 17:56:51,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=532, Unknown=0, NotChecked=0, Total=650 [2021-07-09 17:56:51,552 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) [2021-07-09 17:56:52,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:56:52,858 INFO L93 Difference]: Finished difference Result 8391 states and 20772 transitions. [2021-07-09 17:56:52,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-09 17:56:52,858 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 [2021-07-09 17:56:52,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:56:52,870 INFO L225 Difference]: With dead ends: 8391 [2021-07-09 17:56:52,870 INFO L226 Difference]: Without dead ends: 8352 [2021-07-09 17:56:52,870 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2476 ImplicationChecksByTransitivity, 1128.1ms TimeCoverageRelationStatistics Valid=1507, Invalid=5465, Unknown=0, NotChecked=0, Total=6972 [2021-07-09 17:56:52,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8352 states. [2021-07-09 17:56:52,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8352 to 7183. [2021-07-09 17:56:52,973 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) [2021-07-09 17:56:52,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7183 states to 7183 states and 18188 transitions. [2021-07-09 17:56:52,985 INFO L78 Accepts]: Start accepts. Automaton has 7183 states and 18188 transitions. Word has length 36 [2021-07-09 17:56:52,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:56:52,985 INFO L482 AbstractCegarLoop]: Abstraction has 7183 states and 18188 transitions. [2021-07-09 17:56:52,985 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) [2021-07-09 17:56:52,985 INFO L276 IsEmpty]: Start isEmpty. Operand 7183 states and 18188 transitions. [2021-07-09 17:56:52,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-07-09 17:56:52,991 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:56:52,991 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:56:53,191 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 92 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable745 [2021-07-09 17:56:53,192 INFO L430 AbstractCegarLoop]: === Iteration 97 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:56:53,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:56:53,192 INFO L82 PathProgramCache]: Analyzing trace with hash -795539850, now seen corresponding path program 92 times [2021-07-09 17:56:53,192 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:56:53,192 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667082537] [2021-07-09 17:56:53,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:56:53,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:56:53,260 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 21 proven. 39 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:56:53,261 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:56:53,261 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667082537] [2021-07-09 17:56:53,261 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667082537] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:53,261 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1732025500] [2021-07-09 17:56:53,261 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 [2021-07-09 17:56:53,289 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 17:56:53,289 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:56:53,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-09 17:56:53,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:56:53,502 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 20 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:56:53,502 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1732025500] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:53,502 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:56:53,502 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15] total 25 [2021-07-09 17:56:53,502 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683424259] [2021-07-09 17:56:53,502 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-09 17:56:53,502 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:56:53,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-09 17:56:53,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=536, Unknown=0, NotChecked=0, Total=650 [2021-07-09 17:56:53,503 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) [2021-07-09 17:56:55,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:56:55,320 INFO L93 Difference]: Finished difference Result 11937 states and 29010 transitions. [2021-07-09 17:56:55,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-07-09 17:56:55,321 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 [2021-07-09 17:56:55,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:56:55,338 INFO L225 Difference]: With dead ends: 11937 [2021-07-09 17:56:55,338 INFO L226 Difference]: Without dead ends: 11937 [2021-07-09 17:56:55,339 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4334 ImplicationChecksByTransitivity, 1577.9ms TimeCoverageRelationStatistics Valid=3216, Invalid=8340, Unknown=0, NotChecked=0, Total=11556 [2021-07-09 17:56:55,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11937 states. [2021-07-09 17:56:55,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11937 to 8770. [2021-07-09 17:56:55,480 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) [2021-07-09 17:56:55,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8770 states to 8770 states and 21984 transitions. [2021-07-09 17:56:55,495 INFO L78 Accepts]: Start accepts. Automaton has 8770 states and 21984 transitions. Word has length 36 [2021-07-09 17:56:55,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:56:55,495 INFO L482 AbstractCegarLoop]: Abstraction has 8770 states and 21984 transitions. [2021-07-09 17:56:55,495 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) [2021-07-09 17:56:55,495 INFO L276 IsEmpty]: Start isEmpty. Operand 8770 states and 21984 transitions. [2021-07-09 17:56:55,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-07-09 17:56:55,502 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:56:55,502 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:56:55,702 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable746,93 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:56:55,703 INFO L430 AbstractCegarLoop]: === Iteration 98 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:56:55,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:56:55,703 INFO L82 PathProgramCache]: Analyzing trace with hash 290495666, now seen corresponding path program 93 times [2021-07-09 17:56:55,703 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:56:55,703 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98106230] [2021-07-09 17:56:55,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:56:55,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:56:55,769 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 27 proven. 33 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:56:55,769 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:56:55,769 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98106230] [2021-07-09 17:56:55,769 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98106230] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:55,769 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [853770039] [2021-07-09 17:56:55,769 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 [2021-07-09 17:56:55,800 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-07-09 17:56:55,800 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:56:55,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-09 17:56:55,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:56:56,013 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 24 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:56:56,013 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [853770039] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:56,013 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:56:56,013 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 15] total 24 [2021-07-09 17:56:56,013 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427464016] [2021-07-09 17:56:56,014 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-09 17:56:56,014 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:56:56,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-09 17:56:56,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=482, Unknown=0, NotChecked=0, Total=600 [2021-07-09 17:56:56,014 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) [2021-07-09 17:56:57,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:56:57,217 INFO L93 Difference]: Finished difference Result 9544 states and 23558 transitions. [2021-07-09 17:56:57,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-09 17:56:57,217 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 [2021-07-09 17:56:57,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:56:57,230 INFO L225 Difference]: With dead ends: 9544 [2021-07-09 17:56:57,230 INFO L226 Difference]: Without dead ends: 9526 [2021-07-09 17:56:57,231 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2221 ImplicationChecksByTransitivity, 1027.4ms TimeCoverageRelationStatistics Valid=1407, Invalid=4913, Unknown=0, NotChecked=0, Total=6320 [2021-07-09 17:56:57,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9526 states. [2021-07-09 17:56:57,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9526 to 8902. [2021-07-09 17:56:57,350 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) [2021-07-09 17:56:57,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8902 states to 8902 states and 22342 transitions. [2021-07-09 17:56:57,365 INFO L78 Accepts]: Start accepts. Automaton has 8902 states and 22342 transitions. Word has length 36 [2021-07-09 17:56:57,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:56:57,365 INFO L482 AbstractCegarLoop]: Abstraction has 8902 states and 22342 transitions. [2021-07-09 17:56:57,365 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) [2021-07-09 17:56:57,365 INFO L276 IsEmpty]: Start isEmpty. Operand 8902 states and 22342 transitions. [2021-07-09 17:56:57,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-07-09 17:56:57,372 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:56:57,372 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:56:57,572 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 94 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable747 [2021-07-09 17:56:57,572 INFO L430 AbstractCegarLoop]: === Iteration 99 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:56:57,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:56:57,573 INFO L82 PathProgramCache]: Analyzing trace with hash 766378614, now seen corresponding path program 94 times [2021-07-09 17:56:57,573 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:56:57,573 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874399437] [2021-07-09 17:56:57,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:56:57,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:56:57,640 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 20 proven. 40 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:56:57,640 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:56:57,640 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874399437] [2021-07-09 17:56:57,640 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874399437] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:57,640 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1084177582] [2021-07-09 17:56:57,641 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 [2021-07-09 17:56:57,665 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-09 17:56:57,665 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:56:57,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-09 17:56:57,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:56:57,870 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 20 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:56:57,870 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1084177582] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:56:57,871 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:56:57,871 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 15] total 24 [2021-07-09 17:56:57,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360744257] [2021-07-09 17:56:57,871 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-09 17:56:57,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:56:57,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-09 17:56:57,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=489, Unknown=0, NotChecked=0, Total=600 [2021-07-09 17:56:57,871 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) [2021-07-09 17:56:59,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:56:59,705 INFO L93 Difference]: Finished difference Result 15319 states and 37889 transitions. [2021-07-09 17:56:59,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-07-09 17:56:59,705 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 [2021-07-09 17:56:59,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:56:59,726 INFO L225 Difference]: With dead ends: 15319 [2021-07-09 17:56:59,726 INFO L226 Difference]: Without dead ends: 15319 [2021-07-09 17:56:59,727 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4780 ImplicationChecksByTransitivity, 1587.5ms TimeCoverageRelationStatistics Valid=3440, Invalid=8770, Unknown=0, NotChecked=0, Total=12210 [2021-07-09 17:56:59,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15319 states. [2021-07-09 17:56:59,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15319 to 13330. [2021-07-09 17:56:59,944 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) [2021-07-09 17:56:59,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13330 states to 13330 states and 33712 transitions. [2021-07-09 17:56:59,970 INFO L78 Accepts]: Start accepts. Automaton has 13330 states and 33712 transitions. Word has length 36 [2021-07-09 17:56:59,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:56:59,970 INFO L482 AbstractCegarLoop]: Abstraction has 13330 states and 33712 transitions. [2021-07-09 17:56:59,971 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) [2021-07-09 17:56:59,971 INFO L276 IsEmpty]: Start isEmpty. Operand 13330 states and 33712 transitions. [2021-07-09 17:56:59,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-07-09 17:56:59,979 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:56:59,980 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:57:00,180 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable748,95 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:57:00,180 INFO L430 AbstractCegarLoop]: === Iteration 100 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:57:00,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:57:00,181 INFO L82 PathProgramCache]: Analyzing trace with hash -1179642020, now seen corresponding path program 95 times [2021-07-09 17:57:00,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:57:00,181 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28837175] [2021-07-09 17:57:00,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:57:00,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:57:00,252 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 31 proven. 29 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:57:00,252 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:57:00,252 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28837175] [2021-07-09 17:57:00,252 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28837175] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:57:00,252 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [377388912] [2021-07-09 17:57:00,252 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 [2021-07-09 17:57:00,289 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-07-09 17:57:00,289 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:57:00,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-09 17:57:00,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:57:00,503 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 27 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:57:00,503 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [377388912] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:57:00,503 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:57:00,503 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 15] total 23 [2021-07-09 17:57:00,504 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355163092] [2021-07-09 17:57:00,504 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-09 17:57:00,504 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:57:00,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-09 17:57:00,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=443, Unknown=0, NotChecked=0, Total=552 [2021-07-09 17:57:00,504 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) [2021-07-09 17:57:01,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:57:01,685 INFO L93 Difference]: Finished difference Result 14924 states and 36958 transitions. [2021-07-09 17:57:01,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-07-09 17:57:01,685 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 [2021-07-09 17:57:01,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:57:01,708 INFO L225 Difference]: With dead ends: 14924 [2021-07-09 17:57:01,708 INFO L226 Difference]: Without dead ends: 14920 [2021-07-09 17:57:01,709 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2102 ImplicationChecksByTransitivity, 1018.7ms TimeCoverageRelationStatistics Valid=1750, Invalid=4570, Unknown=0, NotChecked=0, Total=6320 [2021-07-09 17:57:01,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14920 states. [2021-07-09 17:57:01,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14920 to 13086. [2021-07-09 17:57:01,901 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) [2021-07-09 17:57:01,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13086 states to 13086 states and 33050 transitions. [2021-07-09 17:57:01,926 INFO L78 Accepts]: Start accepts. Automaton has 13086 states and 33050 transitions. Word has length 36 [2021-07-09 17:57:01,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:57:01,926 INFO L482 AbstractCegarLoop]: Abstraction has 13086 states and 33050 transitions. [2021-07-09 17:57:01,926 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) [2021-07-09 17:57:01,926 INFO L276 IsEmpty]: Start isEmpty. Operand 13086 states and 33050 transitions. [2021-07-09 17:57:01,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-07-09 17:57:01,935 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:57:01,935 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:57:02,135 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable749,96 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:57:02,135 INFO L430 AbstractCegarLoop]: === Iteration 101 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:57:02,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:57:02,136 INFO L82 PathProgramCache]: Analyzing trace with hash -1685988286, now seen corresponding path program 96 times [2021-07-09 17:57:02,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:57:02,136 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383247890] [2021-07-09 17:57:02,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:57:02,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:57:02,202 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 26 proven. 34 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:57:02,203 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:57:02,203 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383247890] [2021-07-09 17:57:02,203 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383247890] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:57:02,203 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1156235516] [2021-07-09 17:57:02,203 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 [2021-07-09 17:57:02,231 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-09 17:57:02,231 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:57:02,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-09 17:57:02,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:57:02,436 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 23 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:57:02,436 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1156235516] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:57:02,436 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:57:02,436 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 15] total 24 [2021-07-09 17:57:02,436 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535153586] [2021-07-09 17:57:02,436 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-09 17:57:02,436 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:57:02,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-09 17:57:02,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=491, Unknown=0, NotChecked=0, Total=600 [2021-07-09 17:57:02,437 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) [2021-07-09 17:57:03,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:57:03,575 INFO L93 Difference]: Finished difference Result 15282 states and 37884 transitions. [2021-07-09 17:57:03,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-09 17:57:03,575 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 [2021-07-09 17:57:03,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:57:03,599 INFO L225 Difference]: With dead ends: 15282 [2021-07-09 17:57:03,599 INFO L226 Difference]: Without dead ends: 15270 [2021-07-09 17:57:03,599 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2023 ImplicationChecksByTransitivity, 989.3ms TimeCoverageRelationStatistics Valid=1595, Invalid=4567, Unknown=0, NotChecked=0, Total=6162 [2021-07-09 17:57:03,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15270 states. [2021-07-09 17:57:03,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15270 to 13017. [2021-07-09 17:57:03,813 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) [2021-07-09 17:57:03,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13017 states to 13017 states and 32908 transitions. [2021-07-09 17:57:03,836 INFO L78 Accepts]: Start accepts. Automaton has 13017 states and 32908 transitions. Word has length 36 [2021-07-09 17:57:03,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:57:03,836 INFO L482 AbstractCegarLoop]: Abstraction has 13017 states and 32908 transitions. [2021-07-09 17:57:03,836 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) [2021-07-09 17:57:03,836 INFO L276 IsEmpty]: Start isEmpty. Operand 13017 states and 32908 transitions. [2021-07-09 17:57:03,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-07-09 17:57:03,845 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:57:03,845 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:57:04,045 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 97 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable750 [2021-07-09 17:57:04,045 INFO L430 AbstractCegarLoop]: === Iteration 102 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:57:04,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:57:04,045 INFO L82 PathProgramCache]: Analyzing trace with hash -1913209666, now seen corresponding path program 97 times [2021-07-09 17:57:04,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:57:04,046 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417863135] [2021-07-09 17:57:04,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:57:04,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:57:04,118 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 21 proven. 39 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:57:04,118 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:57:04,119 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417863135] [2021-07-09 17:57:04,119 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417863135] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:57:04,119 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [387014656] [2021-07-09 17:57:04,119 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 [2021-07-09 17:57:04,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:57:04,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-09 17:57:04,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:57:04,360 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 19 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:57:04,360 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [387014656] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:57:04,360 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:57:04,360 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15] total 25 [2021-07-09 17:57:04,360 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966913396] [2021-07-09 17:57:04,361 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-09 17:57:04,361 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:57:04,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-09 17:57:04,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=536, Unknown=0, NotChecked=0, Total=650 [2021-07-09 17:57:04,361 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) [2021-07-09 17:57:05,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:57:05,515 INFO L93 Difference]: Finished difference Result 16039 states and 39737 transitions. [2021-07-09 17:57:05,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-09 17:57:05,516 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 [2021-07-09 17:57:05,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:57:05,540 INFO L225 Difference]: With dead ends: 16039 [2021-07-09 17:57:05,540 INFO L226 Difference]: Without dead ends: 16019 [2021-07-09 17:57:05,541 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2051 ImplicationChecksByTransitivity, 999.2ms TimeCoverageRelationStatistics Valid=1551, Invalid=4769, Unknown=0, NotChecked=0, Total=6320 [2021-07-09 17:57:05,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16019 states. [2021-07-09 17:57:05,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16019 to 13397. [2021-07-09 17:57:05,745 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) [2021-07-09 17:57:05,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13397 states to 13397 states and 33927 transitions. [2021-07-09 17:57:05,770 INFO L78 Accepts]: Start accepts. Automaton has 13397 states and 33927 transitions. Word has length 36 [2021-07-09 17:57:05,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:57:05,772 INFO L482 AbstractCegarLoop]: Abstraction has 13397 states and 33927 transitions. [2021-07-09 17:57:05,773 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) [2021-07-09 17:57:05,773 INFO L276 IsEmpty]: Start isEmpty. Operand 13397 states and 33927 transitions. [2021-07-09 17:57:05,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-07-09 17:57:05,782 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:57:05,782 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:57:05,982 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 98 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable751 [2021-07-09 17:57:05,982 INFO L430 AbstractCegarLoop]: === Iteration 103 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:57:05,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:57:05,982 INFO L82 PathProgramCache]: Analyzing trace with hash -1229623750, now seen corresponding path program 98 times [2021-07-09 17:57:05,983 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:57:05,983 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983496831] [2021-07-09 17:57:05,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:57:05,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:57:06,059 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 20 proven. 40 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:57:06,059 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:57:06,059 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983496831] [2021-07-09 17:57:06,059 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983496831] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:57:06,059 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [27649465] [2021-07-09 17:57:06,059 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 [2021-07-09 17:57:06,084 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 17:57:06,084 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:57:06,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-09 17:57:06,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:57:06,301 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 19 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:57:06,302 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [27649465] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:57:06,302 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:57:06,302 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15] total 26 [2021-07-09 17:57:06,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84663361] [2021-07-09 17:57:06,302 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-09 17:57:06,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:57:06,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-09 17:57:06,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=579, Unknown=0, NotChecked=0, Total=702 [2021-07-09 17:57:06,302 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) [2021-07-09 17:57:07,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:57:07,500 INFO L93 Difference]: Finished difference Result 17468 states and 43250 transitions. [2021-07-09 17:57:07,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-07-09 17:57:07,501 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 [2021-07-09 17:57:07,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:57:07,528 INFO L225 Difference]: With dead ends: 17468 [2021-07-09 17:57:07,529 INFO L226 Difference]: Without dead ends: 17440 [2021-07-09 17:57:07,529 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2204 ImplicationChecksByTransitivity, 1044.1ms TimeCoverageRelationStatistics Valid=1619, Invalid=5187, Unknown=0, NotChecked=0, Total=6806 [2021-07-09 17:57:07,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17440 states. [2021-07-09 17:57:07,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17440 to 15583. [2021-07-09 17:57:07,791 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) [2021-07-09 17:57:07,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15583 states to 15583 states and 39517 transitions. [2021-07-09 17:57:07,820 INFO L78 Accepts]: Start accepts. Automaton has 15583 states and 39517 transitions. Word has length 36 [2021-07-09 17:57:07,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:57:07,820 INFO L482 AbstractCegarLoop]: Abstraction has 15583 states and 39517 transitions. [2021-07-09 17:57:07,820 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) [2021-07-09 17:57:07,820 INFO L276 IsEmpty]: Start isEmpty. Operand 15583 states and 39517 transitions. [2021-07-09 17:57:07,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-07-09 17:57:07,830 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:57:07,830 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:57:08,031 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable752,99 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:57:08,031 INFO L430 AbstractCegarLoop]: === Iteration 104 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:57:08,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:57:08,031 INFO L82 PathProgramCache]: Analyzing trace with hash -1433554762, now seen corresponding path program 99 times [2021-07-09 17:57:08,031 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:57:08,031 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577797689] [2021-07-09 17:57:08,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:57:08,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:57:08,114 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 23 proven. 37 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:57:08,114 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:57:08,114 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577797689] [2021-07-09 17:57:08,114 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577797689] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:57:08,114 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2105765454] [2021-07-09 17:57:08,115 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 [2021-07-09 17:57:08,144 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-07-09 17:57:08,144 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:57:08,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-09 17:57:08,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:57:08,412 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 23 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:57:08,412 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2105765454] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:57:08,412 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:57:08,412 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 27 [2021-07-09 17:57:08,413 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736703932] [2021-07-09 17:57:08,413 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-09 17:57:08,413 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:57:08,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-09 17:57:08,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=620, Unknown=0, NotChecked=0, Total=756 [2021-07-09 17:57:08,413 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) [2021-07-09 17:57:09,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:57:09,722 INFO L93 Difference]: Finished difference Result 20026 states and 49571 transitions. [2021-07-09 17:57:09,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-09 17:57:09,723 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 [2021-07-09 17:57:09,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:57:09,761 INFO L225 Difference]: With dead ends: 20026 [2021-07-09 17:57:09,761 INFO L226 Difference]: Without dead ends: 19990 [2021-07-09 17:57:09,762 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2515 ImplicationChecksByTransitivity, 1229.4ms TimeCoverageRelationStatistics Valid=1799, Invalid=5857, Unknown=0, NotChecked=0, Total=7656 [2021-07-09 17:57:09,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19990 states. [2021-07-09 17:57:10,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19990 to 17983. [2021-07-09 17:57:10,093 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) [2021-07-09 17:57:10,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17983 states to 17983 states and 45560 transitions. [2021-07-09 17:57:10,127 INFO L78 Accepts]: Start accepts. Automaton has 17983 states and 45560 transitions. Word has length 36 [2021-07-09 17:57:10,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:57:10,128 INFO L482 AbstractCegarLoop]: Abstraction has 17983 states and 45560 transitions. [2021-07-09 17:57:10,128 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) [2021-07-09 17:57:10,128 INFO L276 IsEmpty]: Start isEmpty. Operand 17983 states and 45560 transitions. [2021-07-09 17:57:10,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-07-09 17:57:10,140 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:57:10,140 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:57:10,340 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 100 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable753 [2021-07-09 17:57:10,341 INFO L430 AbstractCegarLoop]: === Iteration 105 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:57:10,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:57:10,341 INFO L82 PathProgramCache]: Analyzing trace with hash 157238322, now seen corresponding path program 100 times [2021-07-09 17:57:10,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:57:10,341 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651123531] [2021-07-09 17:57:10,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:57:10,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:57:10,458 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 31 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:57:10,458 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:57:10,458 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651123531] [2021-07-09 17:57:10,458 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651123531] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:57:10,458 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [532394047] [2021-07-09 17:57:10,458 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-07-09 17:57:10,488 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-09 17:57:10,488 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:57:10,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-09 17:57:10,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:57:10,708 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 31 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:57:10,709 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [532394047] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:57:10,709 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:57:10,709 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2021-07-09 17:57:10,709 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332510015] [2021-07-09 17:57:10,709 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-09 17:57:10,709 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:57:10,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-09 17:57:10,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=659, Unknown=0, NotChecked=0, Total=812 [2021-07-09 17:57:10,710 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) [2021-07-09 17:57:12,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:57:12,064 INFO L93 Difference]: Finished difference Result 19957 states and 49654 transitions. [2021-07-09 17:57:12,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-07-09 17:57:12,064 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 [2021-07-09 17:57:12,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:57:12,163 INFO L225 Difference]: With dead ends: 19957 [2021-07-09 17:57:12,163 INFO L226 Difference]: Without dead ends: 19913 [2021-07-09 17:57:12,163 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3033 ImplicationChecksByTransitivity, 1273.7ms TimeCoverageRelationStatistics Valid=2089, Invalid=6841, Unknown=0, NotChecked=0, Total=8930 [2021-07-09 17:57:12,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19913 states. [2021-07-09 17:57:12,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19913 to 18106. [2021-07-09 17:57:12,416 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) [2021-07-09 17:57:12,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18106 states to 18106 states and 45968 transitions. [2021-07-09 17:57:12,450 INFO L78 Accepts]: Start accepts. Automaton has 18106 states and 45968 transitions. Word has length 36 [2021-07-09 17:57:12,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:57:12,451 INFO L482 AbstractCegarLoop]: Abstraction has 18106 states and 45968 transitions. [2021-07-09 17:57:12,451 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) [2021-07-09 17:57:12,451 INFO L276 IsEmpty]: Start isEmpty. Operand 18106 states and 45968 transitions. [2021-07-09 17:57:12,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-07-09 17:57:12,463 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:57:12,464 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:57:12,665 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable754,101 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:57:12,665 INFO L430 AbstractCegarLoop]: === Iteration 106 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:57:12,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:57:12,665 INFO L82 PathProgramCache]: Analyzing trace with hash -380198988, now seen corresponding path program 101 times [2021-07-09 17:57:12,666 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:57:12,666 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323285196] [2021-07-09 17:57:12,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:57:12,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:57:12,705 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:57:12,705 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:57:12,705 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323285196] [2021-07-09 17:57:12,705 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323285196] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:57:12,705 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [765952891] [2021-07-09 17:57:12,705 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 [2021-07-09 17:57:12,733 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-07-09 17:57:12,733 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:57:12,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 43 conjunts are in the unsatisfiable core [2021-07-09 17:57:12,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:57:12,961 INFO L354 Elim1Store]: treesize reduction 96, result has 43.2 percent of original size [2021-07-09 17:57:12,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2021-07-09 17:57:13,748 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 17:57:13,781 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:57:14,238 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 17:57:14,238 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:163, output treesize:285 [2021-07-09 17:57:14,988 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2021-07-09 17:57:15,110 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 181 [2021-07-09 17:57:16,862 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2021-07-09 17:57:16,988 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 181 [2021-07-09 17:57:19,457 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 324 DAG size of output: 48 [2021-07-09 17:57:19,830 INFO L354 Elim1Store]: treesize reduction 101, result has 16.5 percent of original size [2021-07-09 17:57:19,830 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 156 treesize of output 76 [2021-07-09 17:57:19,832 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 17:57:19,954 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 85 [2021-07-09 17:57:19,954 INFO L628 ElimStorePlain]: treesize reduction 440, result has 43.3 percent of original size [2021-07-09 17:57:19,998 INFO L354 Elim1Store]: treesize reduction 94, result has 22.3 percent of original size [2021-07-09 17:57:19,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 17:57:20,000 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 17:57:20,038 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:57:20,067 INFO L354 Elim1Store]: treesize reduction 111, result has 8.3 percent of original size [2021-07-09 17:57:20,067 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 75 treesize of output 41 [2021-07-09 17:57:20,068 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 17:57:20,101 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:57:20,132 INFO L354 Elim1Store]: treesize reduction 108, result has 10.7 percent of original size [2021-07-09 17:57:20,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 17:57:20,133 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 17:57:20,162 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:57:20,197 INFO L354 Elim1Store]: treesize reduction 103, result has 14.9 percent of original size [2021-07-09 17:57:20,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 54 treesize of output 46 [2021-07-09 17:57:20,198 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 17:57:20,224 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:57:20,294 INFO L354 Elim1Store]: treesize reduction 60, result has 50.4 percent of original size [2021-07-09 17:57:20,295 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 81 treesize of output 102 [2021-07-09 17:57:20,298 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 17:57:20,306 INFO L628 ElimStorePlain]: treesize reduction 38, result has 7.3 percent of original size [2021-07-09 17:57:20,307 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 6 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 17:57:20,307 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 12 variables, input treesize:920, output treesize:3 [2021-07-09 17:57:20,312 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:57:20,312 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [765952891] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:57:20,312 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:57:20,312 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 14] total 20 [2021-07-09 17:57:20,312 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468855041] [2021-07-09 17:57:20,313 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-09 17:57:20,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:57:20,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-09 17:57:20,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2021-07-09 17:57:20,313 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) [2021-07-09 17:57:20,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:57:20,959 INFO L93 Difference]: Finished difference Result 20298 states and 51395 transitions. [2021-07-09 17:57:20,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-09 17:57:20,960 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 [2021-07-09 17:57:20,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:57:20,993 INFO L225 Difference]: With dead ends: 20298 [2021-07-09 17:57:20,993 INFO L226 Difference]: Without dead ends: 20291 [2021-07-09 17:57:20,994 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 32 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 3701.6ms TimeCoverageRelationStatistics Valid=65, Invalid=441, Unknown=0, NotChecked=0, Total=506 [2021-07-09 17:57:21,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20291 states. [2021-07-09 17:57:21,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20291 to 19572. [2021-07-09 17:57:21,297 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) [2021-07-09 17:57:21,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19572 states to 19572 states and 49819 transitions. [2021-07-09 17:57:21,335 INFO L78 Accepts]: Start accepts. Automaton has 19572 states and 49819 transitions. Word has length 38 [2021-07-09 17:57:21,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:57:21,336 INFO L482 AbstractCegarLoop]: Abstraction has 19572 states and 49819 transitions. [2021-07-09 17:57:21,336 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) [2021-07-09 17:57:21,336 INFO L276 IsEmpty]: Start isEmpty. Operand 19572 states and 49819 transitions. [2021-07-09 17:57:21,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-07-09 17:57:21,349 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:57:21,349 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:57:21,565 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 102 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable755 [2021-07-09 17:57:21,565 INFO L430 AbstractCegarLoop]: === Iteration 107 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:57:21,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:57:21,565 INFO L82 PathProgramCache]: Analyzing trace with hash 1616439732, now seen corresponding path program 102 times [2021-07-09 17:57:21,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:57:21,565 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681735750] [2021-07-09 17:57:21,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:57:21,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:57:21,606 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-09 17:57:21,606 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:57:21,606 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681735750] [2021-07-09 17:57:21,606 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681735750] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:57:21,606 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [144054659] [2021-07-09 17:57:21,606 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 [2021-07-09 17:57:21,637 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-07-09 17:57:21,637 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:57:21,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 47 conjunts are in the unsatisfiable core [2021-07-09 17:57:21,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:57:21,998 INFO L446 ElimStorePlain]: Different costs {15=[f], 55=[f_inv]} [2021-07-09 17:57:22,064 INFO L354 Elim1Store]: treesize reduction 48, result has 60.3 percent of original size [2021-07-09 17:57:22,065 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 201 treesize of output 158 [2021-07-09 17:57:24,310 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 17:57:24,346 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:57:24,397 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:57:24,398 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 307 treesize of output 214 [2021-07-09 17:57:24,473 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 17:57:24,474 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:57:24,475 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 17:57:24,475 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:201, output treesize:3 [2021-07-09 17:57:24,483 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:57:24,483 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [144054659] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:57:24,483 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:57:24,483 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 14] total 20 [2021-07-09 17:57:24,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882667522] [2021-07-09 17:57:24,484 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-09 17:57:24,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:57:24,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-09 17:57:24,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2021-07-09 17:57:24,484 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) [2021-07-09 17:57:24,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:57:24,706 INFO L93 Difference]: Finished difference Result 20658 states and 52485 transitions. [2021-07-09 17:57:24,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 17:57:24,706 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 [2021-07-09 17:57:24,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:57:24,739 INFO L225 Difference]: With dead ends: 20658 [2021-07-09 17:57:24,739 INFO L226 Difference]: Without dead ends: 20649 [2021-07-09 17:57:24,740 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 338.9ms TimeCoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2021-07-09 17:57:24,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20649 states. [2021-07-09 17:57:25,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20649 to 20358. [2021-07-09 17:57:25,144 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) [2021-07-09 17:57:25,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20358 states to 20358 states and 51975 transitions. [2021-07-09 17:57:25,185 INFO L78 Accepts]: Start accepts. Automaton has 20358 states and 51975 transitions. Word has length 38 [2021-07-09 17:57:25,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:57:25,185 INFO L482 AbstractCegarLoop]: Abstraction has 20358 states and 51975 transitions. [2021-07-09 17:57:25,185 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) [2021-07-09 17:57:25,185 INFO L276 IsEmpty]: Start isEmpty. Operand 20358 states and 51975 transitions. [2021-07-09 17:57:25,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-07-09 17:57:25,199 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:57:25,199 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:57:25,412 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1616,103 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:57:25,413 INFO L430 AbstractCegarLoop]: === Iteration 108 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:57:25,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:57:25,413 INFO L82 PathProgramCache]: Analyzing trace with hash 945582004, now seen corresponding path program 103 times [2021-07-09 17:57:25,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:57:25,414 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673928020] [2021-07-09 17:57:25,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:57:25,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:57:25,449 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-09 17:57:25,450 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:57:25,450 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673928020] [2021-07-09 17:57:25,450 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673928020] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:57:25,450 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [778513296] [2021-07-09 17:57:25,450 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 [2021-07-09 17:57:25,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:57:25,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 39 conjunts are in the unsatisfiable core [2021-07-09 17:57:25,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:57:25,785 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 59 [2021-07-09 17:57:25,785 INFO L354 Elim1Store]: treesize reduction 301, result has 33.0 percent of original size [2021-07-09 17:57:25,785 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 [2021-07-09 17:57:25,789 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 17:57:25,825 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:57:25,826 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 17:57:25,826 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:158, output treesize:232 [2021-07-09 17:57:25,901 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2021-07-09 17:57:26,114 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 42 [2021-07-09 17:57:26,137 INFO L446 ElimStorePlain]: Different costs {3=[v_prenex_87], 6=[v_prenex_88], 10=[f], 15=[v_prenex_89]} [2021-07-09 17:57:26,149 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:57:26,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-09 17:57:26,155 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 17:57:26,163 INFO L628 ElimStorePlain]: treesize reduction 180, result has 1.6 percent of original size [2021-07-09 17:57:26,163 INFO L518 ElimStorePlain]: Eliminatee v_prenex_88 vanished before elimination [2021-07-09 17:57:26,163 INFO L518 ElimStorePlain]: Eliminatee f vanished before elimination [2021-07-09 17:57:26,163 INFO L518 ElimStorePlain]: Eliminatee v_prenex_89 vanished before elimination [2021-07-09 17:57:26,163 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 17:57:26,163 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:199, output treesize:3 [2021-07-09 17:57:26,173 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:57:26,173 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [778513296] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:57:26,173 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:57:26,174 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 14] total 20 [2021-07-09 17:57:26,174 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922952874] [2021-07-09 17:57:26,174 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-09 17:57:26,174 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:57:26,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-09 17:57:26,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-07-09 17:57:26,174 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) [2021-07-09 17:57:26,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:57:26,497 INFO L93 Difference]: Finished difference Result 21714 states and 55240 transitions. [2021-07-09 17:57:26,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 17:57:26,497 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 [2021-07-09 17:57:26,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:57:26,534 INFO L225 Difference]: With dead ends: 21714 [2021-07-09 17:57:26,534 INFO L226 Difference]: Without dead ends: 21689 [2021-07-09 17:57:26,535 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 400.9ms TimeCoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-07-09 17:57:26,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21689 states. [2021-07-09 17:57:26,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21689 to 20898. [2021-07-09 17:57:26,832 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) [2021-07-09 17:57:26,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20898 states to 20898 states and 53495 transitions. [2021-07-09 17:57:26,999 INFO L78 Accepts]: Start accepts. Automaton has 20898 states and 53495 transitions. Word has length 38 [2021-07-09 17:57:26,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:57:26,999 INFO L482 AbstractCegarLoop]: Abstraction has 20898 states and 53495 transitions. [2021-07-09 17:57:27,000 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) [2021-07-09 17:57:27,000 INFO L276 IsEmpty]: Start isEmpty. Operand 20898 states and 53495 transitions. [2021-07-09 17:57:27,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-07-09 17:57:27,013 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:57:27,013 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:57:27,215 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 104 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2397 [2021-07-09 17:57:27,215 INFO L430 AbstractCegarLoop]: === Iteration 109 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:57:27,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:57:27,216 INFO L82 PathProgramCache]: Analyzing trace with hash 496399796, now seen corresponding path program 104 times [2021-07-09 17:57:27,216 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:57:27,216 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028407097] [2021-07-09 17:57:27,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:57:27,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:57:27,260 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-09 17:57:27,261 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:57:27,261 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028407097] [2021-07-09 17:57:27,261 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028407097] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:57:27,261 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [119516402] [2021-07-09 17:57:27,261 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 [2021-07-09 17:57:27,439 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 17:57:27,439 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:57:27,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 39 conjunts are in the unsatisfiable core [2021-07-09 17:57:27,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:57:27,721 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 57 [2021-07-09 17:57:27,721 INFO L354 Elim1Store]: treesize reduction 186, result has 39.8 percent of original size [2021-07-09 17:57:27,722 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 [2021-07-09 17:57:27,725 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 17:57:27,762 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:57:27,763 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 17:57:27,763 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:160, output treesize:186 [2021-07-09 17:57:27,872 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2021-07-09 17:57:28,096 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 42 [2021-07-09 17:57:28,189 INFO L446 ElimStorePlain]: Different costs {3=[v_prenex_90], 6=[v_prenex_92], 10=[f], 15=[v_prenex_91]} [2021-07-09 17:57:28,203 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:57:28,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-09 17:57:28,215 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 17:57:28,222 INFO L628 ElimStorePlain]: treesize reduction 162, result has 1.8 percent of original size [2021-07-09 17:57:28,222 INFO L518 ElimStorePlain]: Eliminatee v_prenex_92 vanished before elimination [2021-07-09 17:57:28,222 INFO L518 ElimStorePlain]: Eliminatee f vanished before elimination [2021-07-09 17:57:28,222 INFO L518 ElimStorePlain]: Eliminatee v_prenex_91 vanished before elimination [2021-07-09 17:57:28,223 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 17:57:28,223 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:181, output treesize:3 [2021-07-09 17:57:28,232 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:57:28,232 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [119516402] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:57:28,232 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:57:28,232 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 14] total 20 [2021-07-09 17:57:28,232 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498398706] [2021-07-09 17:57:28,232 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-09 17:57:28,233 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:57:28,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-09 17:57:28,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2021-07-09 17:57:28,233 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) [2021-07-09 17:57:28,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:57:28,693 INFO L93 Difference]: Finished difference Result 22481 states and 57375 transitions. [2021-07-09 17:57:28,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 17:57:28,693 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 [2021-07-09 17:57:28,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:57:28,736 INFO L225 Difference]: With dead ends: 22481 [2021-07-09 17:57:28,736 INFO L226 Difference]: Without dead ends: 22452 [2021-07-09 17:57:28,736 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 451.7ms TimeCoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2021-07-09 17:57:28,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22452 states. [2021-07-09 17:57:29,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22452 to 21528. [2021-07-09 17:57:29,099 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) [2021-07-09 17:57:29,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21528 states to 21528 states and 55246 transitions. [2021-07-09 17:57:29,138 INFO L78 Accepts]: Start accepts. Automaton has 21528 states and 55246 transitions. Word has length 38 [2021-07-09 17:57:29,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:57:29,138 INFO L482 AbstractCegarLoop]: Abstraction has 21528 states and 55246 transitions. [2021-07-09 17:57:29,138 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) [2021-07-09 17:57:29,138 INFO L276 IsEmpty]: Start isEmpty. Operand 21528 states and 55246 transitions. [2021-07-09 17:57:29,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-07-09 17:57:29,154 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:57:29,154 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:57:29,354 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 105 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2408 [2021-07-09 17:57:29,355 INFO L430 AbstractCegarLoop]: === Iteration 110 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:57:29,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:57:29,355 INFO L82 PathProgramCache]: Analyzing trace with hash -1670972492, now seen corresponding path program 105 times [2021-07-09 17:57:29,355 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:57:29,355 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405018009] [2021-07-09 17:57:29,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:57:29,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:57:29,391 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-09 17:57:29,391 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:57:29,391 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405018009] [2021-07-09 17:57:29,392 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405018009] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:57:29,392 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [549862456] [2021-07-09 17:57:29,392 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 [2021-07-09 17:57:29,440 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-07-09 17:57:29,440 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:57:29,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 45 conjunts are in the unsatisfiable core [2021-07-09 17:57:29,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:57:29,702 INFO L446 ElimStorePlain]: Different costs {28=[f_inv], 36=[f]} [2021-07-09 17:57:29,786 INFO L354 Elim1Store]: treesize reduction 167, result has 37.5 percent of original size [2021-07-09 17:57:29,786 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 [2021-07-09 17:57:30,039 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 17:57:30,070 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:57:30,115 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:57:30,115 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 10 new quantified variables, introduced 15 case distinctions, treesize of input 191 treesize of output 211 [2021-07-09 17:57:30,388 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 17:57:30,389 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:57:30,389 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 17:57:30,390 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:213, output treesize:3 [2021-07-09 17:57:30,397 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:57:30,397 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [549862456] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:57:30,397 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:57:30,397 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 14] total 20 [2021-07-09 17:57:30,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55650183] [2021-07-09 17:57:30,398 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-09 17:57:30,398 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:57:30,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-09 17:57:30,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2021-07-09 17:57:30,398 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) [2021-07-09 17:57:30,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:57:30,739 INFO L93 Difference]: Finished difference Result 23080 states and 59124 transitions. [2021-07-09 17:57:30,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 17:57:30,740 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 [2021-07-09 17:57:30,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:57:30,780 INFO L225 Difference]: With dead ends: 23080 [2021-07-09 17:57:30,780 INFO L226 Difference]: Without dead ends: 23054 [2021-07-09 17:57:30,781 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 240.9ms TimeCoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2021-07-09 17:57:30,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23054 states. [2021-07-09 17:57:31,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23054 to 22204. [2021-07-09 17:57:31,137 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) [2021-07-09 17:57:31,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22204 states to 22204 states and 57118 transitions. [2021-07-09 17:57:31,184 INFO L78 Accepts]: Start accepts. Automaton has 22204 states and 57118 transitions. Word has length 38 [2021-07-09 17:57:31,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:57:31,184 INFO L482 AbstractCegarLoop]: Abstraction has 22204 states and 57118 transitions. [2021-07-09 17:57:31,184 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) [2021-07-09 17:57:31,184 INFO L276 IsEmpty]: Start isEmpty. Operand 22204 states and 57118 transitions. [2021-07-09 17:57:31,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-07-09 17:57:31,202 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:57:31,202 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:57:31,403 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 106 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2423 [2021-07-09 17:57:31,403 INFO L430 AbstractCegarLoop]: === Iteration 111 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:57:31,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:57:31,404 INFO L82 PathProgramCache]: Analyzing trace with hash -1456602700, now seen corresponding path program 106 times [2021-07-09 17:57:31,404 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:57:31,404 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326058812] [2021-07-09 17:57:31,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:57:31,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:57:31,443 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-09 17:57:31,443 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:57:31,444 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326058812] [2021-07-09 17:57:31,444 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326058812] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:57:31,444 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1571954757] [2021-07-09 17:57:31,444 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 [2021-07-09 17:57:31,471 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-09 17:57:31,471 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:57:31,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 39 conjunts are in the unsatisfiable core [2021-07-09 17:57:31,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:57:31,631 INFO L354 Elim1Store]: treesize reduction 48, result has 63.4 percent of original size [2021-07-09 17:57:31,631 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 140 treesize of output 129 [2021-07-09 17:57:31,634 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 17:57:31,667 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:57:31,668 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 17:57:31,668 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:140, output treesize:284 [2021-07-09 17:57:32,132 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2021-07-09 17:57:32,270 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 181 [2021-07-09 17:57:34,406 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 324 DAG size of output: 48 [2021-07-09 17:57:35,038 INFO L446 ElimStorePlain]: Different costs {10=[f], 15=[v_prenex_107, v_prenex_103, v_prenex_104, v_prenex_105, v_prenex_106]} [2021-07-09 17:57:35,049 INFO L354 Elim1Store]: treesize reduction 80, result has 1.2 percent of original size [2021-07-09 17:57:35,049 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 [2021-07-09 17:57:35,050 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 17:57:35,166 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 82 [2021-07-09 17:57:35,167 INFO L628 ElimStorePlain]: treesize reduction 447, result has 42.9 percent of original size [2021-07-09 17:57:35,198 INFO L354 Elim1Store]: treesize reduction 57, result has 29.6 percent of original size [2021-07-09 17:57:35,199 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 [2021-07-09 17:57:35,200 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 17:57:35,236 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:57:35,304 INFO L354 Elim1Store]: treesize reduction 60, result has 50.4 percent of original size [2021-07-09 17:57:35,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2021-07-09 17:57:35,308 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 17:57:35,337 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:57:35,356 INFO L354 Elim1Store]: treesize reduction 74, result has 8.6 percent of original size [2021-07-09 17:57:35,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 [2021-07-09 17:57:35,357 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 17:57:35,381 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:57:35,422 INFO L354 Elim1Store]: treesize reduction 44, result has 45.7 percent of original size [2021-07-09 17:57:35,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 [2021-07-09 17:57:35,425 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 17:57:35,445 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:57:35,477 INFO L354 Elim1Store]: treesize reduction 103, result has 14.9 percent of original size [2021-07-09 17:57:35,477 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 10 new quantified variables, introduced 15 case distinctions, treesize of input 52 treesize of output 43 [2021-07-09 17:57:35,479 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 17:57:35,496 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:57:35,498 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 6 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 17:57:35,498 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 12 variables, input treesize:936, output treesize:3 [2021-07-09 17:57:35,506 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:57:35,506 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1571954757] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:57:35,506 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:57:35,506 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 14] total 20 [2021-07-09 17:57:35,506 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113942074] [2021-07-09 17:57:35,506 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-09 17:57:35,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:57:35,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-09 17:57:35,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-07-09 17:57:35,507 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) [2021-07-09 17:57:36,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:57:36,084 INFO L93 Difference]: Finished difference Result 23947 states and 61327 transitions. [2021-07-09 17:57:36,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 17:57:36,085 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 [2021-07-09 17:57:36,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:57:36,125 INFO L225 Difference]: With dead ends: 23947 [2021-07-09 17:57:36,125 INFO L226 Difference]: Without dead ends: 23910 [2021-07-09 17:57:36,125 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 2189.4ms TimeCoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-07-09 17:57:36,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23910 states. [2021-07-09 17:57:36,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23910 to 22942. [2021-07-09 17:57:36,546 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) [2021-07-09 17:57:36,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22942 states to 22942 states and 59199 transitions. [2021-07-09 17:57:36,589 INFO L78 Accepts]: Start accepts. Automaton has 22942 states and 59199 transitions. Word has length 38 [2021-07-09 17:57:36,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:57:36,589 INFO L482 AbstractCegarLoop]: Abstraction has 22942 states and 59199 transitions. [2021-07-09 17:57:36,589 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) [2021-07-09 17:57:36,589 INFO L276 IsEmpty]: Start isEmpty. Operand 22942 states and 59199 transitions. [2021-07-09 17:57:36,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-07-09 17:57:36,605 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:57:36,606 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:57:36,806 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2552,107 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:57:36,806 INFO L430 AbstractCegarLoop]: === Iteration 112 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:57:36,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:57:36,806 INFO L82 PathProgramCache]: Analyzing trace with hash -1605662796, now seen corresponding path program 107 times [2021-07-09 17:57:36,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:57:36,807 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112349574] [2021-07-09 17:57:36,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:57:36,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:57:36,861 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-09 17:57:36,861 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:57:36,861 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112349574] [2021-07-09 17:57:36,861 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112349574] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:57:36,862 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1988055885] [2021-07-09 17:57:36,862 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 [2021-07-09 17:57:36,890 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-07-09 17:57:36,890 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:57:36,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 39 conjunts are in the unsatisfiable core [2021-07-09 17:57:36,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:57:37,036 INFO L354 Elim1Store]: treesize reduction 48, result has 60.3 percent of original size [2021-07-09 17:57:37,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 118 treesize of output 121 [2021-07-09 17:57:37,039 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 17:57:37,078 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:57:37,079 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 17:57:37,079 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:118, output treesize:276 [2021-07-09 17:57:37,426 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2021-07-09 17:57:37,621 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2021-07-09 17:57:37,745 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 181 [2021-07-09 17:57:39,891 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 324 DAG size of output: 48 [2021-07-09 17:57:40,694 INFO L354 Elim1Store]: treesize reduction 118, result has 2.5 percent of original size [2021-07-09 17:57:40,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 17:57:40,696 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 17:57:40,798 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 83 [2021-07-09 17:57:40,799 INFO L628 ElimStorePlain]: treesize reduction 462, result has 40.3 percent of original size [2021-07-09 17:57:40,832 INFO L354 Elim1Store]: treesize reduction 103, result has 14.9 percent of original size [2021-07-09 17:57:40,832 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 54 treesize of output 46 [2021-07-09 17:57:40,833 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 17:57:40,867 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:57:40,905 INFO L354 Elim1Store]: treesize reduction 94, result has 22.3 percent of original size [2021-07-09 17:57:40,906 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 54 treesize of output 55 [2021-07-09 17:57:40,907 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 17:57:40,936 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:57:40,966 INFO L354 Elim1Store]: treesize reduction 108, result has 10.7 percent of original size [2021-07-09 17:57:40,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 17:57:40,967 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 17:57:40,994 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:57:41,041 INFO L354 Elim1Store]: treesize reduction 81, result has 33.1 percent of original size [2021-07-09 17:57:41,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 56 treesize of output 68 [2021-07-09 17:57:41,043 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 17:57:41,067 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:57:41,128 INFO L354 Elim1Store]: treesize reduction 60, result has 50.4 percent of original size [2021-07-09 17:57:41,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 81 treesize of output 102 [2021-07-09 17:57:41,131 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 17:57:41,139 INFO L628 ElimStorePlain]: treesize reduction 38, result has 7.3 percent of original size [2021-07-09 17:57:41,139 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 6 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 17:57:41,139 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 12 variables, input treesize:920, output treesize:3 [2021-07-09 17:57:41,147 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-09 17:57:41,148 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1988055885] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:57:41,148 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:57:41,148 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 14] total 20 [2021-07-09 17:57:41,148 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93325441] [2021-07-09 17:57:41,148 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-09 17:57:41,148 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:57:41,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-09 17:57:41,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-07-09 17:57:41,148 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) [2021-07-09 17:57:41,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:57:41,592 INFO L93 Difference]: Finished difference Result 24204 states and 62062 transitions. [2021-07-09 17:57:41,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-09 17:57:41,593 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 [2021-07-09 17:57:41,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:57:41,635 INFO L225 Difference]: With dead ends: 24204 [2021-07-09 17:57:41,635 INFO L226 Difference]: Without dead ends: 24197 [2021-07-09 17:57:41,636 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 2286.2ms TimeCoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-07-09 17:57:41,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24197 states. [2021-07-09 17:57:41,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24197 to 23411. [2021-07-09 17:57:41,980 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) [2021-07-09 17:57:42,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23411 states to 23411 states and 60517 transitions. [2021-07-09 17:57:42,032 INFO L78 Accepts]: Start accepts. Automaton has 23411 states and 60517 transitions. Word has length 38 [2021-07-09 17:57:42,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:57:42,032 INFO L482 AbstractCegarLoop]: Abstraction has 23411 states and 60517 transitions. [2021-07-09 17:57:42,032 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) [2021-07-09 17:57:42,032 INFO L276 IsEmpty]: Start isEmpty. Operand 23411 states and 60517 transitions. [2021-07-09 17:57:42,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-07-09 17:57:42,052 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:57:42,052 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:57:42,253 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 108 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2700 [2021-07-09 17:57:42,253 INFO L430 AbstractCegarLoop]: === Iteration 113 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:57:42,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:57:42,253 INFO L82 PathProgramCache]: Analyzing trace with hash -36252106, now seen corresponding path program 108 times [2021-07-09 17:57:42,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:57:42,254 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444644969] [2021-07-09 17:57:42,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:57:42,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:57:42,387 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 36 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:57:42,387 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:57:42,387 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444644969] [2021-07-09 17:57:42,387 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444644969] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:57:42,387 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1057142836] [2021-07-09 17:57:42,387 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 [2021-07-09 17:57:42,415 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-07-09 17:57:42,416 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:57:42,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-09 17:57:42,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:57:42,693 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 36 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:57:42,693 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1057142836] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:57:42,693 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:57:42,693 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17] total 33 [2021-07-09 17:57:42,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879925879] [2021-07-09 17:57:42,693 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-09 17:57:42,693 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:57:42,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-09 17:57:42,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=214, Invalid=908, Unknown=0, NotChecked=0, Total=1122 [2021-07-09 17:57:42,694 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) [2021-07-09 17:57:44,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:57:44,888 INFO L93 Difference]: Finished difference Result 25898 states and 65777 transitions. [2021-07-09 17:57:44,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-09 17:57:44,889 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 [2021-07-09 17:57:44,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:57:44,937 INFO L225 Difference]: With dead ends: 25898 [2021-07-09 17:57:44,937 INFO L226 Difference]: Without dead ends: 25898 [2021-07-09 17:57:44,938 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3673 ImplicationChecksByTransitivity, 1769.4ms TimeCoverageRelationStatistics Valid=3180, Invalid=9030, Unknown=0, NotChecked=0, Total=12210 [2021-07-09 17:57:44,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25898 states. [2021-07-09 17:57:45,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25898 to 21896. [2021-07-09 17:57:45,268 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) [2021-07-09 17:57:45,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21896 states to 21896 states and 56447 transitions. [2021-07-09 17:57:45,310 INFO L78 Accepts]: Start accepts. Automaton has 21896 states and 56447 transitions. Word has length 40 [2021-07-09 17:57:45,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:57:45,310 INFO L482 AbstractCegarLoop]: Abstraction has 21896 states and 56447 transitions. [2021-07-09 17:57:45,310 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) [2021-07-09 17:57:45,310 INFO L276 IsEmpty]: Start isEmpty. Operand 21896 states and 56447 transitions. [2021-07-09 17:57:45,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-07-09 17:57:45,328 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:57:45,328 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:57:45,528 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2849,109 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:57:45,528 INFO L430 AbstractCegarLoop]: === Iteration 114 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:57:45,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:57:45,529 INFO L82 PathProgramCache]: Analyzing trace with hash -1222061710, now seen corresponding path program 109 times [2021-07-09 17:57:45,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:57:45,529 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130130087] [2021-07-09 17:57:45,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:57:45,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:57:45,652 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 49 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:57:45,652 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:57:45,652 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130130087] [2021-07-09 17:57:45,652 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130130087] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:57:45,652 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1706968832] [2021-07-09 17:57:45,653 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 [2021-07-09 17:57:45,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:57:45,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-09 17:57:45,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:57:45,997 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 49 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:57:45,997 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1706968832] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:57:45,997 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:57:45,998 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-07-09 17:57:45,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087614172] [2021-07-09 17:57:45,998 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-09 17:57:45,998 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:57:45,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-09 17:57:45,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=875, Unknown=0, NotChecked=0, Total=1056 [2021-07-09 17:57:45,998 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) [2021-07-09 17:57:49,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:57:49,549 INFO L93 Difference]: Finished difference Result 30410 states and 76384 transitions. [2021-07-09 17:57:49,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2021-07-09 17:57:49,549 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 [2021-07-09 17:57:49,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:57:49,613 INFO L225 Difference]: With dead ends: 30410 [2021-07-09 17:57:49,613 INFO L226 Difference]: Without dead ends: 30222 [2021-07-09 17:57:49,614 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7844 ImplicationChecksByTransitivity, 3239.9ms TimeCoverageRelationStatistics Valid=4727, Invalid=17923, Unknown=0, NotChecked=0, Total=22650 [2021-07-09 17:57:49,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30222 states. [2021-07-09 17:57:50,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30222 to 22632. [2021-07-09 17:57:50,084 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) [2021-07-09 17:57:50,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22632 states to 22632 states and 58343 transitions. [2021-07-09 17:57:50,128 INFO L78 Accepts]: Start accepts. Automaton has 22632 states and 58343 transitions. Word has length 40 [2021-07-09 17:57:50,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:57:50,128 INFO L482 AbstractCegarLoop]: Abstraction has 22632 states and 58343 transitions. [2021-07-09 17:57:50,128 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) [2021-07-09 17:57:50,128 INFO L276 IsEmpty]: Start isEmpty. Operand 22632 states and 58343 transitions. [2021-07-09 17:57:50,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-07-09 17:57:50,146 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:57:50,146 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:57:50,347 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 110 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2850 [2021-07-09 17:57:50,347 INFO L430 AbstractCegarLoop]: === Iteration 115 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:57:50,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:57:50,347 INFO L82 PathProgramCache]: Analyzing trace with hash -714294378, now seen corresponding path program 110 times [2021-07-09 17:57:50,347 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:57:50,347 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35601498] [2021-07-09 17:57:50,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:57:50,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:57:50,435 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 49 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:57:50,435 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:57:50,435 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35601498] [2021-07-09 17:57:50,435 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35601498] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:57:50,435 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1892451273] [2021-07-09 17:57:50,436 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 [2021-07-09 17:57:50,463 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 17:57:50,463 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:57:50,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-09 17:57:50,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:57:50,734 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 49 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:57:50,734 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1892451273] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:57:50,734 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:57:50,734 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 17] total 26 [2021-07-09 17:57:50,734 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092922622] [2021-07-09 17:57:50,734 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-09 17:57:50,735 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:57:50,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-09 17:57:50,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=581, Unknown=0, NotChecked=0, Total=702 [2021-07-09 17:57:50,735 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) [2021-07-09 17:57:53,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:57:53,655 INFO L93 Difference]: Finished difference Result 39864 states and 101563 transitions. [2021-07-09 17:57:53,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2021-07-09 17:57:53,655 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 [2021-07-09 17:57:53,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:57:53,730 INFO L225 Difference]: With dead ends: 39864 [2021-07-09 17:57:53,730 INFO L226 Difference]: Without dead ends: 39844 [2021-07-09 17:57:53,731 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6651 ImplicationChecksByTransitivity, 2428.4ms TimeCoverageRelationStatistics Valid=4595, Invalid=12961, Unknown=0, NotChecked=0, Total=17556 [2021-07-09 17:57:53,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39844 states. [2021-07-09 17:57:54,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39844 to 29497. [2021-07-09 17:57:54,292 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) [2021-07-09 17:57:54,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29497 states to 29497 states and 76018 transitions. [2021-07-09 17:57:54,354 INFO L78 Accepts]: Start accepts. Automaton has 29497 states and 76018 transitions. Word has length 40 [2021-07-09 17:57:54,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:57:54,355 INFO L482 AbstractCegarLoop]: Abstraction has 29497 states and 76018 transitions. [2021-07-09 17:57:54,355 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) [2021-07-09 17:57:54,355 INFO L276 IsEmpty]: Start isEmpty. Operand 29497 states and 76018 transitions. [2021-07-09 17:57:54,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-07-09 17:57:54,374 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:57:54,375 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:57:54,575 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 111 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2851 [2021-07-09 17:57:54,575 INFO L430 AbstractCegarLoop]: === Iteration 116 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:57:54,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:57:54,575 INFO L82 PathProgramCache]: Analyzing trace with hash -2098192460, now seen corresponding path program 111 times [2021-07-09 17:57:54,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:57:54,575 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602150475] [2021-07-09 17:57:54,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:57:54,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:57:54,644 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 43 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:57:54,644 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:57:54,644 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602150475] [2021-07-09 17:57:54,645 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602150475] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:57:54,645 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1865806104] [2021-07-09 17:57:54,645 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 [2021-07-09 17:57:54,674 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-07-09 17:57:54,674 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:57:54,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-09 17:57:54,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:57:54,936 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 43 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:57:54,936 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1865806104] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:57:54,936 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:57:54,936 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 17] total 26 [2021-07-09 17:57:54,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174746549] [2021-07-09 17:57:54,936 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-09 17:57:54,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:57:54,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-09 17:57:54,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=544, Unknown=0, NotChecked=0, Total=702 [2021-07-09 17:57:54,937 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) [2021-07-09 17:57:56,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:57:56,682 INFO L93 Difference]: Finished difference Result 30394 states and 77833 transitions. [2021-07-09 17:57:56,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-07-09 17:57:56,683 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 [2021-07-09 17:57:56,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:57:56,837 INFO L225 Difference]: With dead ends: 30394 [2021-07-09 17:57:56,838 INFO L226 Difference]: Without dead ends: 30390 [2021-07-09 17:57:56,838 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3712 ImplicationChecksByTransitivity, 1570.3ms TimeCoverageRelationStatistics Valid=2606, Invalid=8314, Unknown=0, NotChecked=0, Total=10920 [2021-07-09 17:57:56,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30390 states. [2021-07-09 17:57:57,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30390 to 29497. [2021-07-09 17:57:57,225 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) [2021-07-09 17:57:57,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29497 states to 29497 states and 76002 transitions. [2021-07-09 17:57:57,286 INFO L78 Accepts]: Start accepts. Automaton has 29497 states and 76002 transitions. Word has length 40 [2021-07-09 17:57:57,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:57:57,287 INFO L482 AbstractCegarLoop]: Abstraction has 29497 states and 76002 transitions. [2021-07-09 17:57:57,287 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) [2021-07-09 17:57:57,287 INFO L276 IsEmpty]: Start isEmpty. Operand 29497 states and 76002 transitions. [2021-07-09 17:57:57,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-07-09 17:57:57,307 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:57:57,307 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:57:57,507 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 112 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2852 [2021-07-09 17:57:57,508 INFO L430 AbstractCegarLoop]: === Iteration 117 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:57:57,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:57:57,508 INFO L82 PathProgramCache]: Analyzing trace with hash 1992334194, now seen corresponding path program 112 times [2021-07-09 17:57:57,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:57:57,508 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634121723] [2021-07-09 17:57:57,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:57:57,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:57:57,576 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 53 proven. 31 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:57:57,576 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:57:57,576 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634121723] [2021-07-09 17:57:57,576 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634121723] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:57:57,576 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2030144849] [2021-07-09 17:57:57,576 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 [2021-07-09 17:57:57,602 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-09 17:57:57,602 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:57:57,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-09 17:57:57,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:57:57,847 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 43 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:57:57,848 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2030144849] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:57:57,848 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:57:57,848 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 17] total 26 [2021-07-09 17:57:57,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082241809] [2021-07-09 17:57:57,848 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-09 17:57:57,848 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:57:57,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-09 17:57:57,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=582, Unknown=0, NotChecked=0, Total=702 [2021-07-09 17:57:57,848 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) [2021-07-09 17:57:59,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:57:59,265 INFO L93 Difference]: Finished difference Result 37584 states and 96225 transitions. [2021-07-09 17:57:59,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-07-09 17:57:59,266 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 [2021-07-09 17:57:59,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:57:59,331 INFO L225 Difference]: With dead ends: 37584 [2021-07-09 17:57:59,331 INFO L226 Difference]: Without dead ends: 37560 [2021-07-09 17:57:59,332 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2330 ImplicationChecksByTransitivity, 1108.5ms TimeCoverageRelationStatistics Valid=1833, Invalid=5649, Unknown=0, NotChecked=0, Total=7482 [2021-07-09 17:57:59,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37560 states. [2021-07-09 17:57:59,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37560 to 29719. [2021-07-09 17:57:59,910 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) [2021-07-09 17:57:59,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29719 states to 29719 states and 76828 transitions. [2021-07-09 17:57:59,969 INFO L78 Accepts]: Start accepts. Automaton has 29719 states and 76828 transitions. Word has length 40 [2021-07-09 17:57:59,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:57:59,969 INFO L482 AbstractCegarLoop]: Abstraction has 29719 states and 76828 transitions. [2021-07-09 17:57:59,970 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) [2021-07-09 17:57:59,970 INFO L276 IsEmpty]: Start isEmpty. Operand 29719 states and 76828 transitions. [2021-07-09 17:57:59,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-07-09 17:57:59,988 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:57:59,988 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:58:00,189 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 113 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2853 [2021-07-09 17:58:00,189 INFO L430 AbstractCegarLoop]: === Iteration 118 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:58:00,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:58:00,189 INFO L82 PathProgramCache]: Analyzing trace with hash -1162838014, now seen corresponding path program 113 times [2021-07-09 17:58:00,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:58:00,190 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596934638] [2021-07-09 17:58:00,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:58:00,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:58:00,261 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 38 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:58:00,261 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:58:00,262 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596934638] [2021-07-09 17:58:00,262 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596934638] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:58:00,262 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1827994050] [2021-07-09 17:58:00,262 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 [2021-07-09 17:58:00,292 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-07-09 17:58:00,292 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:58:00,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-09 17:58:00,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:58:00,554 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 38 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:58:00,555 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1827994050] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:58:00,555 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:58:00,555 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 17] total 27 [2021-07-09 17:58:00,555 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157091993] [2021-07-09 17:58:00,555 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-09 17:58:00,555 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:58:00,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-09 17:58:00,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=602, Unknown=0, NotChecked=0, Total=756 [2021-07-09 17:58:00,556 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) [2021-07-09 17:58:02,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:58:02,438 INFO L93 Difference]: Finished difference Result 32131 states and 82168 transitions. [2021-07-09 17:58:02,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-07-09 17:58:02,439 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 [2021-07-09 17:58:02,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:58:02,497 INFO L225 Difference]: With dead ends: 32131 [2021-07-09 17:58:02,497 INFO L226 Difference]: Without dead ends: 32111 [2021-07-09 17:58:02,498 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3894 ImplicationChecksByTransitivity, 1584.1ms TimeCoverageRelationStatistics Valid=2672, Invalid=8670, Unknown=0, NotChecked=0, Total=11342 [2021-07-09 17:58:02,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32111 states. [2021-07-09 17:58:02,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32111 to 30307. [2021-07-09 17:58:02,950 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) [2021-07-09 17:58:03,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30307 states to 30307 states and 78403 transitions. [2021-07-09 17:58:03,009 INFO L78 Accepts]: Start accepts. Automaton has 30307 states and 78403 transitions. Word has length 40 [2021-07-09 17:58:03,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:58:03,010 INFO L482 AbstractCegarLoop]: Abstraction has 30307 states and 78403 transitions. [2021-07-09 17:58:03,010 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) [2021-07-09 17:58:03,010 INFO L276 IsEmpty]: Start isEmpty. Operand 30307 states and 78403 transitions. [2021-07-09 17:58:03,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-07-09 17:58:03,029 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:58:03,029 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:58:03,229 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 114 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2854 [2021-07-09 17:58:03,229 INFO L430 AbstractCegarLoop]: === Iteration 119 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:58:03,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:58:03,229 INFO L82 PathProgramCache]: Analyzing trace with hash -1839241602, now seen corresponding path program 114 times [2021-07-09 17:58:03,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:58:03,229 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122314802] [2021-07-09 17:58:03,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:58:03,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:58:03,455 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 31 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:58:03,456 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:58:03,456 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122314802] [2021-07-09 17:58:03,456 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122314802] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:58:03,456 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2015878747] [2021-07-09 17:58:03,456 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 [2021-07-09 17:58:03,487 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2021-07-09 17:58:03,488 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:58:03,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-09 17:58:03,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:58:03,745 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 31 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:58:03,745 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2015878747] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:58:03,745 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:58:03,746 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 17] total 28 [2021-07-09 17:58:03,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994564161] [2021-07-09 17:58:03,746 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-09 17:58:03,746 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:58:03,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-09 17:58:03,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=658, Unknown=0, NotChecked=0, Total=812 [2021-07-09 17:58:03,746 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) [2021-07-09 17:58:05,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:58:05,590 INFO L93 Difference]: Finished difference Result 33401 states and 85130 transitions. [2021-07-09 17:58:05,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-07-09 17:58:05,591 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 [2021-07-09 17:58:05,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:58:05,653 INFO L225 Difference]: With dead ends: 33401 [2021-07-09 17:58:05,654 INFO L226 Difference]: Without dead ends: 33361 [2021-07-09 17:58:05,655 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4153 ImplicationChecksByTransitivity, 1709.1ms TimeCoverageRelationStatistics Valid=2749, Invalid=9023, Unknown=0, NotChecked=0, Total=11772 [2021-07-09 17:58:05,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33361 states. [2021-07-09 17:58:06,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33361 to 30181. [2021-07-09 17:58:06,153 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) [2021-07-09 17:58:06,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30181 states to 30181 states and 78202 transitions. [2021-07-09 17:58:06,215 INFO L78 Accepts]: Start accepts. Automaton has 30181 states and 78202 transitions. Word has length 40 [2021-07-09 17:58:06,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:58:06,215 INFO L482 AbstractCegarLoop]: Abstraction has 30181 states and 78202 transitions. [2021-07-09 17:58:06,215 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) [2021-07-09 17:58:06,215 INFO L276 IsEmpty]: Start isEmpty. Operand 30181 states and 78202 transitions. [2021-07-09 17:58:06,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-07-09 17:58:06,234 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:58:06,234 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:58:06,436 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2855,115 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:58:06,436 INFO L430 AbstractCegarLoop]: === Iteration 120 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:58:06,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:58:06,436 INFO L82 PathProgramCache]: Analyzing trace with hash 971939322, now seen corresponding path program 115 times [2021-07-09 17:58:06,436 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:58:06,436 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165939831] [2021-07-09 17:58:06,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:58:06,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:58:06,518 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 28 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:58:06,519 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:58:06,519 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165939831] [2021-07-09 17:58:06,519 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165939831] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:58:06,519 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1371668271] [2021-07-09 17:58:06,519 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 [2021-07-09 17:58:06,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:58:06,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-09 17:58:06,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:58:06,799 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 28 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:58:06,799 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1371668271] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:58:06,799 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:58:06,799 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 17] total 29 [2021-07-09 17:58:06,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656809507] [2021-07-09 17:58:06,799 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-09 17:58:06,799 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:58:06,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-09 17:58:06,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=712, Unknown=0, NotChecked=0, Total=870 [2021-07-09 17:58:06,800 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) [2021-07-09 17:58:08,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:58:08,698 INFO L93 Difference]: Finished difference Result 33916 states and 86143 transitions. [2021-07-09 17:58:08,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2021-07-09 17:58:08,698 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 [2021-07-09 17:58:08,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:58:08,764 INFO L225 Difference]: With dead ends: 33916 [2021-07-09 17:58:08,765 INFO L226 Difference]: Without dead ends: 33862 [2021-07-09 17:58:08,766 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4387 ImplicationChecksByTransitivity, 1628.2ms TimeCoverageRelationStatistics Valid=2836, Invalid=9374, Unknown=0, NotChecked=0, Total=12210 [2021-07-09 17:58:08,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33862 states. [2021-07-09 17:58:09,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33862 to 28876. [2021-07-09 17:58:09,257 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) [2021-07-09 17:58:09,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28876 states to 28876 states and 74988 transitions. [2021-07-09 17:58:09,318 INFO L78 Accepts]: Start accepts. Automaton has 28876 states and 74988 transitions. Word has length 40 [2021-07-09 17:58:09,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:58:09,318 INFO L482 AbstractCegarLoop]: Abstraction has 28876 states and 74988 transitions. [2021-07-09 17:58:09,318 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) [2021-07-09 17:58:09,318 INFO L276 IsEmpty]: Start isEmpty. Operand 28876 states and 74988 transitions. [2021-07-09 17:58:09,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-07-09 17:58:09,337 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:58:09,337 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:58:09,537 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 116 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2856 [2021-07-09 17:58:09,538 INFO L430 AbstractCegarLoop]: === Iteration 121 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:58:09,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:58:09,538 INFO L82 PathProgramCache]: Analyzing trace with hash 982378102, now seen corresponding path program 116 times [2021-07-09 17:58:09,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:58:09,538 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355050712] [2021-07-09 17:58:09,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:58:09,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:58:09,647 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 29 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:58:09,647 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:58:09,647 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355050712] [2021-07-09 17:58:09,647 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355050712] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:58:09,647 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [558899687] [2021-07-09 17:58:09,648 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 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 [2021-07-09 17:58:09,677 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 17:58:09,677 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:58:09,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-09 17:58:09,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:58:09,984 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 29 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:58:09,984 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [558899687] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:58:09,984 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:58:09,985 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17] total 30 [2021-07-09 17:58:09,985 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119549937] [2021-07-09 17:58:09,985 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-09 17:58:09,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:58:09,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-09 17:58:09,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=764, Unknown=0, NotChecked=0, Total=930 [2021-07-09 17:58:09,985 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) [2021-07-09 17:58:11,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:58:11,940 INFO L93 Difference]: Finished difference Result 33473 states and 84685 transitions. [2021-07-09 17:58:11,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-07-09 17:58:11,940 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 [2021-07-09 17:58:11,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:58:12,002 INFO L225 Difference]: With dead ends: 33473 [2021-07-09 17:58:12,002 INFO L226 Difference]: Without dead ends: 33417 [2021-07-09 17:58:12,003 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4604 ImplicationChecksByTransitivity, 1665.6ms TimeCoverageRelationStatistics Valid=2932, Invalid=9724, Unknown=0, NotChecked=0, Total=12656 [2021-07-09 17:58:12,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33417 states. [2021-07-09 17:58:12,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33417 to 26468. [2021-07-09 17:58:12,506 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) [2021-07-09 17:58:12,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26468 states to 26468 states and 68855 transitions. [2021-07-09 17:58:12,560 INFO L78 Accepts]: Start accepts. Automaton has 26468 states and 68855 transitions. Word has length 40 [2021-07-09 17:58:12,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:58:12,560 INFO L482 AbstractCegarLoop]: Abstraction has 26468 states and 68855 transitions. [2021-07-09 17:58:12,560 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) [2021-07-09 17:58:12,560 INFO L276 IsEmpty]: Start isEmpty. Operand 26468 states and 68855 transitions. [2021-07-09 17:58:12,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-07-09 17:58:12,577 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:58:12,577 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:58:12,777 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2857,117 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:58:12,778 INFO L430 AbstractCegarLoop]: === Iteration 122 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:58:12,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:58:12,778 INFO L82 PathProgramCache]: Analyzing trace with hash -1870856206, now seen corresponding path program 117 times [2021-07-09 17:58:12,778 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:58:12,778 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191866898] [2021-07-09 17:58:12,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:58:12,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:58:12,883 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 34 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:58:12,883 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:58:12,884 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191866898] [2021-07-09 17:58:12,884 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191866898] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:58:12,884 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1191777636] [2021-07-09 17:58:12,884 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 [2021-07-09 17:58:12,914 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-07-09 17:58:12,915 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:58:12,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-09 17:58:12,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:58:13,189 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 34 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:58:13,189 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1191777636] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:58:13,189 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:58:13,189 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17] total 31 [2021-07-09 17:58:13,189 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488030066] [2021-07-09 17:58:13,189 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-07-09 17:58:13,189 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:58:13,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-07-09 17:58:13,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=814, Unknown=0, NotChecked=0, Total=992 [2021-07-09 17:58:13,190 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) [2021-07-09 17:58:15,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:58:15,131 INFO L93 Difference]: Finished difference Result 32096 states and 80790 transitions. [2021-07-09 17:58:15,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-09 17:58:15,132 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 [2021-07-09 17:58:15,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:58:15,187 INFO L225 Difference]: With dead ends: 32096 [2021-07-09 17:58:15,187 INFO L226 Difference]: Without dead ends: 32046 [2021-07-09 17:58:15,188 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4740 ImplicationChecksByTransitivity, 1651.1ms TimeCoverageRelationStatistics Valid=3036, Invalid=10074, Unknown=0, NotChecked=0, Total=13110 [2021-07-09 17:58:15,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32046 states. [2021-07-09 17:58:15,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32046 to 24004. [2021-07-09 17:58:15,566 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) [2021-07-09 17:58:15,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24004 states to 24004 states and 62399 transitions. [2021-07-09 17:58:15,611 INFO L78 Accepts]: Start accepts. Automaton has 24004 states and 62399 transitions. Word has length 40 [2021-07-09 17:58:15,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:58:15,612 INFO L482 AbstractCegarLoop]: Abstraction has 24004 states and 62399 transitions. [2021-07-09 17:58:15,612 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) [2021-07-09 17:58:15,612 INFO L276 IsEmpty]: Start isEmpty. Operand 24004 states and 62399 transitions. [2021-07-09 17:58:15,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-07-09 17:58:15,627 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:58:15,627 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:58:15,828 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2858,118 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:58:15,828 INFO L430 AbstractCegarLoop]: === Iteration 123 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:58:15,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:58:15,828 INFO L82 PathProgramCache]: Analyzing trace with hash -69717194, now seen corresponding path program 118 times [2021-07-09 17:58:15,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:58:15,828 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560734192] [2021-07-09 17:58:15,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:58:15,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:58:15,970 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 35 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:58:15,970 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:58:15,970 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560734192] [2021-07-09 17:58:15,970 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560734192] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:58:15,970 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [687397762] [2021-07-09 17:58:15,971 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 [2021-07-09 17:58:15,997 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-09 17:58:15,997 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:58:15,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-09 17:58:15,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:58:16,289 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 30 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:58:16,290 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [687397762] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:58:16,290 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:58:16,290 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-07-09 17:58:16,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645930898] [2021-07-09 17:58:16,290 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-09 17:58:16,290 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:58:16,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-09 17:58:16,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=187, Invalid=869, Unknown=0, NotChecked=0, Total=1056 [2021-07-09 17:58:16,291 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) [2021-07-09 17:58:18,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:58:18,292 INFO L93 Difference]: Finished difference Result 28131 states and 70967 transitions. [2021-07-09 17:58:18,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-07-09 17:58:18,292 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 [2021-07-09 17:58:18,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:58:18,347 INFO L225 Difference]: With dead ends: 28131 [2021-07-09 17:58:18,348 INFO L226 Difference]: Without dead ends: 28131 [2021-07-09 17:58:18,349 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3698 ImplicationChecksByTransitivity, 1734.3ms TimeCoverageRelationStatistics Valid=2970, Invalid=9240, Unknown=0, NotChecked=0, Total=12210 [2021-07-09 17:58:18,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28131 states. [2021-07-09 17:58:18,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28131 to 21876. [2021-07-09 17:58:18,772 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) [2021-07-09 17:58:18,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21876 states to 21876 states and 56775 transitions. [2021-07-09 17:58:18,815 INFO L78 Accepts]: Start accepts. Automaton has 21876 states and 56775 transitions. Word has length 40 [2021-07-09 17:58:18,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:58:18,816 INFO L482 AbstractCegarLoop]: Abstraction has 21876 states and 56775 transitions. [2021-07-09 17:58:18,816 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) [2021-07-09 17:58:18,816 INFO L276 IsEmpty]: Start isEmpty. Operand 21876 states and 56775 transitions. [2021-07-09 17:58:18,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-07-09 17:58:18,830 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:58:18,830 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:58:19,030 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 119 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2859 [2021-07-09 17:58:19,030 INFO L430 AbstractCegarLoop]: === Iteration 124 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:58:19,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:58:19,031 INFO L82 PathProgramCache]: Analyzing trace with hash 715640178, now seen corresponding path program 119 times [2021-07-09 17:58:19,031 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:58:19,031 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460136438] [2021-07-09 17:58:19,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:58:19,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:58:19,135 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 38 proven. 46 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:58:19,135 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:58:19,135 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460136438] [2021-07-09 17:58:19,135 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460136438] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:58:19,135 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [715541937] [2021-07-09 17:58:19,136 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 [2021-07-09 17:58:19,164 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-07-09 17:58:19,165 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:58:19,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-09 17:58:19,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:58:19,443 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 38 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:58:19,443 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [715541937] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:58:19,443 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:58:19,443 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17] total 31 [2021-07-09 17:58:19,443 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772868088] [2021-07-09 17:58:19,444 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-07-09 17:58:19,444 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:58:19,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-07-09 17:58:19,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=826, Unknown=0, NotChecked=0, Total=992 [2021-07-09 17:58:19,444 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) [2021-07-09 17:58:21,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:58:21,668 INFO L93 Difference]: Finished difference Result 25120 states and 63294 transitions. [2021-07-09 17:58:21,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2021-07-09 17:58:21,669 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 [2021-07-09 17:58:21,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:58:21,716 INFO L225 Difference]: With dead ends: 25120 [2021-07-09 17:58:21,716 INFO L226 Difference]: Without dead ends: 24982 [2021-07-09 17:58:21,718 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5780 ImplicationChecksByTransitivity, 2024.2ms TimeCoverageRelationStatistics Valid=3320, Invalid=12682, Unknown=0, NotChecked=0, Total=16002 [2021-07-09 17:58:21,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24982 states. [2021-07-09 17:58:22,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24982 to 21296. [2021-07-09 17:58:22,097 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) [2021-07-09 17:58:22,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21296 states to 21296 states and 55035 transitions. [2021-07-09 17:58:22,139 INFO L78 Accepts]: Start accepts. Automaton has 21296 states and 55035 transitions. Word has length 40 [2021-07-09 17:58:22,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:58:22,139 INFO L482 AbstractCegarLoop]: Abstraction has 21296 states and 55035 transitions. [2021-07-09 17:58:22,139 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) [2021-07-09 17:58:22,139 INFO L276 IsEmpty]: Start isEmpty. Operand 21296 states and 55035 transitions. [2021-07-09 17:58:22,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-07-09 17:58:22,153 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:58:22,153 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:58:22,356 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 120 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2860 [2021-07-09 17:58:22,357 INFO L430 AbstractCegarLoop]: === Iteration 125 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:58:22,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:58:22,357 INFO L82 PathProgramCache]: Analyzing trace with hash 1418514486, now seen corresponding path program 120 times [2021-07-09 17:58:22,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:58:22,357 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595089798] [2021-07-09 17:58:22,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:58:22,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:58:22,466 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 34 proven. 50 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:58:22,466 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:58:22,467 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595089798] [2021-07-09 17:58:22,467 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595089798] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:58:22,467 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2088639306] [2021-07-09 17:58:22,467 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 [2021-07-09 17:58:22,496 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-07-09 17:58:22,496 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:58:22,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-09 17:58:22,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:58:22,878 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 30 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:58:22,878 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2088639306] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:58:22,878 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:58:22,878 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17] total 31 [2021-07-09 17:58:22,878 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470237702] [2021-07-09 17:58:22,878 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-07-09 17:58:22,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:58:22,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-07-09 17:58:22,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=823, Unknown=0, NotChecked=0, Total=992 [2021-07-09 17:58:22,879 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) [2021-07-09 17:58:24,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:58:24,975 INFO L93 Difference]: Finished difference Result 26874 states and 67135 transitions. [2021-07-09 17:58:24,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-07-09 17:58:24,976 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 [2021-07-09 17:58:24,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:58:25,027 INFO L225 Difference]: With dead ends: 26874 [2021-07-09 17:58:25,027 INFO L226 Difference]: Without dead ends: 26874 [2021-07-09 17:58:25,029 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4431 ImplicationChecksByTransitivity, 1814.2ms TimeCoverageRelationStatistics Valid=3338, Invalid=10234, Unknown=0, NotChecked=0, Total=13572 [2021-07-09 17:58:25,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26874 states. [2021-07-09 17:58:25,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26874 to 19476. [2021-07-09 17:58:25,358 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) [2021-07-09 17:58:25,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19476 states to 19476 states and 50170 transitions. [2021-07-09 17:58:25,395 INFO L78 Accepts]: Start accepts. Automaton has 19476 states and 50170 transitions. Word has length 40 [2021-07-09 17:58:25,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:58:25,395 INFO L482 AbstractCegarLoop]: Abstraction has 19476 states and 50170 transitions. [2021-07-09 17:58:25,395 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) [2021-07-09 17:58:25,395 INFO L276 IsEmpty]: Start isEmpty. Operand 19476 states and 50170 transitions. [2021-07-09 17:58:25,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-07-09 17:58:25,408 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:58:25,408 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:58:25,608 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2861,121 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:58:25,609 INFO L430 AbstractCegarLoop]: === Iteration 126 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:58:25,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:58:25,609 INFO L82 PathProgramCache]: Analyzing trace with hash 699779442, now seen corresponding path program 121 times [2021-07-09 17:58:25,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:58:25,609 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476016436] [2021-07-09 17:58:25,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:58:25,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:58:25,710 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 32 proven. 52 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:58:25,710 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:58:25,710 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476016436] [2021-07-09 17:58:25,710 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476016436] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:58:25,710 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1851955418] [2021-07-09 17:58:25,710 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 [2021-07-09 17:58:25,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:58:25,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-09 17:58:25,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:58:25,997 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 31 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:58:25,997 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1851955418] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:58:25,997 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:58:25,997 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17] total 30 [2021-07-09 17:58:25,997 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971278687] [2021-07-09 17:58:25,998 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-09 17:58:25,998 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:58:25,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-09 17:58:25,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=775, Unknown=0, NotChecked=0, Total=930 [2021-07-09 17:58:25,998 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) [2021-07-09 17:58:28,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:58:28,003 INFO L93 Difference]: Finished difference Result 22442 states and 56490 transitions. [2021-07-09 17:58:28,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-07-09 17:58:28,003 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 [2021-07-09 17:58:28,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:58:28,038 INFO L225 Difference]: With dead ends: 22442 [2021-07-09 17:58:28,039 INFO L226 Difference]: Without dead ends: 22343 [2021-07-09 17:58:28,040 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5030 ImplicationChecksByTransitivity, 1768.3ms TimeCoverageRelationStatistics Valid=2802, Invalid=10770, Unknown=0, NotChecked=0, Total=13572 [2021-07-09 17:58:28,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22343 states. [2021-07-09 17:58:28,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22343 to 19294. [2021-07-09 17:58:28,368 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) [2021-07-09 17:58:28,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19294 states to 19294 states and 49525 transitions. [2021-07-09 17:58:28,405 INFO L78 Accepts]: Start accepts. Automaton has 19294 states and 49525 transitions. Word has length 40 [2021-07-09 17:58:28,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:58:28,405 INFO L482 AbstractCegarLoop]: Abstraction has 19294 states and 49525 transitions. [2021-07-09 17:58:28,405 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) [2021-07-09 17:58:28,405 INFO L276 IsEmpty]: Start isEmpty. Operand 19294 states and 49525 transitions. [2021-07-09 17:58:28,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-07-09 17:58:28,418 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:58:28,419 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:58:28,619 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 122 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2862 [2021-07-09 17:58:28,619 INFO L430 AbstractCegarLoop]: === Iteration 127 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:58:28,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:58:28,619 INFO L82 PathProgramCache]: Analyzing trace with hash -1681609418, now seen corresponding path program 122 times [2021-07-09 17:58:28,619 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:58:28,620 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385530566] [2021-07-09 17:58:28,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:58:28,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:58:28,724 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 33 proven. 51 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:58:28,724 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:58:28,724 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385530566] [2021-07-09 17:58:28,724 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385530566] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:58:28,724 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1384979386] [2021-07-09 17:58:28,724 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 [2021-07-09 17:58:28,750 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 17:58:28,750 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:58:28,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-09 17:58:28,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:58:29,013 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 30 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:58:29,014 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1384979386] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:58:29,014 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:58:29,014 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17] total 30 [2021-07-09 17:58:29,014 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398199303] [2021-07-09 17:58:29,014 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-09 17:58:29,014 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:58:29,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-09 17:58:29,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=775, Unknown=0, NotChecked=0, Total=930 [2021-07-09 17:58:29,014 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) [2021-07-09 17:58:31,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:58:31,446 INFO L93 Difference]: Finished difference Result 25902 states and 64230 transitions. [2021-07-09 17:58:31,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-07-09 17:58:31,447 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 [2021-07-09 17:58:31,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:58:31,494 INFO L225 Difference]: With dead ends: 25902 [2021-07-09 17:58:31,494 INFO L226 Difference]: Without dead ends: 25902 [2021-07-09 17:58:31,495 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5410 ImplicationChecksByTransitivity, 2013.4ms TimeCoverageRelationStatistics Valid=3958, Invalid=11542, Unknown=0, NotChecked=0, Total=15500 [2021-07-09 17:58:31,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25902 states. [2021-07-09 17:58:31,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25902 to 17898. [2021-07-09 17:58:31,802 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) [2021-07-09 17:58:31,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17898 states to 17898 states and 45734 transitions. [2021-07-09 17:58:31,836 INFO L78 Accepts]: Start accepts. Automaton has 17898 states and 45734 transitions. Word has length 40 [2021-07-09 17:58:31,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:58:31,836 INFO L482 AbstractCegarLoop]: Abstraction has 17898 states and 45734 transitions. [2021-07-09 17:58:31,836 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) [2021-07-09 17:58:31,837 INFO L276 IsEmpty]: Start isEmpty. Operand 17898 states and 45734 transitions. [2021-07-09 17:58:31,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-07-09 17:58:31,849 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:58:31,849 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:58:32,052 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2863,123 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:58:32,053 INFO L430 AbstractCegarLoop]: === Iteration 128 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:58:32,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:58:32,053 INFO L82 PathProgramCache]: Analyzing trace with hash 1276298610, now seen corresponding path program 123 times [2021-07-09 17:58:32,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:58:32,053 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736084856] [2021-07-09 17:58:32,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:58:32,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:58:32,134 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 30 proven. 54 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:58:32,135 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:58:32,135 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736084856] [2021-07-09 17:58:32,135 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736084856] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:58:32,135 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [879608747] [2021-07-09 17:58:32,135 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 [2021-07-09 17:58:32,164 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-07-09 17:58:32,164 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:58:32,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-09 17:58:32,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:58:32,426 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 28 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:58:32,427 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [879608747] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:58:32,427 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:58:32,427 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 17] total 29 [2021-07-09 17:58:32,427 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358613260] [2021-07-09 17:58:32,427 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-09 17:58:32,427 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:58:32,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-09 17:58:32,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=722, Unknown=0, NotChecked=0, Total=870 [2021-07-09 17:58:32,428 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) [2021-07-09 17:58:34,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:58:34,212 INFO L93 Difference]: Finished difference Result 20487 states and 51579 transitions. [2021-07-09 17:58:34,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-09 17:58:34,213 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 [2021-07-09 17:58:34,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:58:34,249 INFO L225 Difference]: With dead ends: 20487 [2021-07-09 17:58:34,249 INFO L226 Difference]: Without dead ends: 20421 [2021-07-09 17:58:34,251 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4431 ImplicationChecksByTransitivity, 1564.3ms TimeCoverageRelationStatistics Valid=2466, Invalid=9306, Unknown=0, NotChecked=0, Total=11772 [2021-07-09 17:58:34,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20421 states. [2021-07-09 17:58:34,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20421 to 18251. [2021-07-09 17:58:34,553 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) [2021-07-09 17:58:34,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18251 states to 18251 states and 46655 transitions. [2021-07-09 17:58:34,589 INFO L78 Accepts]: Start accepts. Automaton has 18251 states and 46655 transitions. Word has length 40 [2021-07-09 17:58:34,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:58:34,590 INFO L482 AbstractCegarLoop]: Abstraction has 18251 states and 46655 transitions. [2021-07-09 17:58:34,590 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) [2021-07-09 17:58:34,590 INFO L276 IsEmpty]: Start isEmpty. Operand 18251 states and 46655 transitions. [2021-07-09 17:58:34,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-07-09 17:58:34,602 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:58:34,602 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:58:34,803 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 124 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2864 [2021-07-09 17:58:34,803 INFO L430 AbstractCegarLoop]: === Iteration 129 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:58:34,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:58:34,804 INFO L82 PathProgramCache]: Analyzing trace with hash 424659510, now seen corresponding path program 124 times [2021-07-09 17:58:34,804 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:58:34,804 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803870271] [2021-07-09 17:58:34,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:58:34,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:58:34,890 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 32 proven. 52 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:58:34,891 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:58:34,891 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803870271] [2021-07-09 17:58:34,891 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803870271] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:58:34,891 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2074935748] [2021-07-09 17:58:34,891 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 [2021-07-09 17:58:34,916 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-09 17:58:34,917 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:58:34,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-09 17:58:34,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:58:35,280 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 30 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:58:35,280 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2074935748] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:58:35,280 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:58:35,281 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 17] total 29 [2021-07-09 17:58:35,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074947862] [2021-07-09 17:58:35,281 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-09 17:58:35,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:58:35,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-09 17:58:35,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=725, Unknown=0, NotChecked=0, Total=870 [2021-07-09 17:58:35,281 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) [2021-07-09 17:58:37,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:58:37,868 INFO L93 Difference]: Finished difference Result 25865 states and 63837 transitions. [2021-07-09 17:58:37,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-07-09 17:58:37,869 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 [2021-07-09 17:58:37,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:58:37,917 INFO L225 Difference]: With dead ends: 25865 [2021-07-09 17:58:37,918 INFO L226 Difference]: Without dead ends: 25865 [2021-07-09 17:58:37,920 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6848 ImplicationChecksByTransitivity, 2270.1ms TimeCoverageRelationStatistics Valid=4818, Invalid=13272, Unknown=0, NotChecked=0, Total=18090 [2021-07-09 17:58:37,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25865 states. [2021-07-09 17:58:38,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25865 to 17253. [2021-07-09 17:58:38,261 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) [2021-07-09 17:58:38,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17253 states to 17253 states and 43844 transitions. [2021-07-09 17:58:38,294 INFO L78 Accepts]: Start accepts. Automaton has 17253 states and 43844 transitions. Word has length 40 [2021-07-09 17:58:38,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:58:38,294 INFO L482 AbstractCegarLoop]: Abstraction has 17253 states and 43844 transitions. [2021-07-09 17:58:38,294 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) [2021-07-09 17:58:38,294 INFO L276 IsEmpty]: Start isEmpty. Operand 17253 states and 43844 transitions. [2021-07-09 17:58:38,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-07-09 17:58:38,306 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:58:38,306 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:58:38,506 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2865,125 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:58:38,507 INFO L430 AbstractCegarLoop]: === Iteration 130 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:58:38,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:58:38,507 INFO L82 PathProgramCache]: Analyzing trace with hash 427737458, now seen corresponding path program 125 times [2021-07-09 17:58:38,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:58:38,507 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356457936] [2021-07-09 17:58:38,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:58:38,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:58:38,585 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 32 proven. 52 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:58:38,585 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:58:38,585 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356457936] [2021-07-09 17:58:38,585 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356457936] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:58:38,585 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1512826495] [2021-07-09 17:58:38,585 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 [2021-07-09 17:58:38,613 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-07-09 17:58:38,613 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:58:38,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-09 17:58:38,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:58:38,865 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 29 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:58:38,865 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1512826495] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:58:38,865 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:58:38,865 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 17] total 28 [2021-07-09 17:58:38,865 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130846675] [2021-07-09 17:58:38,865 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-09 17:58:38,865 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:58:38,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-09 17:58:38,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=667, Unknown=0, NotChecked=0, Total=812 [2021-07-09 17:58:38,866 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) [2021-07-09 17:58:40,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:58:40,636 INFO L93 Difference]: Finished difference Result 19251 states and 48390 transitions. [2021-07-09 17:58:40,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-07-09 17:58:40,636 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 [2021-07-09 17:58:40,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:58:40,674 INFO L225 Difference]: With dead ends: 19251 [2021-07-09 17:58:40,674 INFO L226 Difference]: Without dead ends: 19212 [2021-07-09 17:58:40,676 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3960 ImplicationChecksByTransitivity, 1478.0ms TimeCoverageRelationStatistics Valid=2263, Invalid=8243, Unknown=0, NotChecked=0, Total=10506 [2021-07-09 17:58:40,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19212 states. [2021-07-09 17:58:40,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19212 to 17619. [2021-07-09 17:58:40,954 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) [2021-07-09 17:58:40,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17619 states to 17619 states and 44856 transitions. [2021-07-09 17:58:40,985 INFO L78 Accepts]: Start accepts. Automaton has 17619 states and 44856 transitions. Word has length 40 [2021-07-09 17:58:40,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:58:40,985 INFO L482 AbstractCegarLoop]: Abstraction has 17619 states and 44856 transitions. [2021-07-09 17:58:40,986 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) [2021-07-09 17:58:40,986 INFO L276 IsEmpty]: Start isEmpty. Operand 17619 states and 44856 transitions. [2021-07-09 17:58:40,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-07-09 17:58:40,997 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:58:40,997 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:58:41,198 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 126 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2866 [2021-07-09 17:58:41,198 INFO L430 AbstractCegarLoop]: === Iteration 131 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:58:41,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:58:41,198 INFO L82 PathProgramCache]: Analyzing trace with hash -922867914, now seen corresponding path program 126 times [2021-07-09 17:58:41,198 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:58:41,198 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51866076] [2021-07-09 17:58:41,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:58:41,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:58:41,281 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 31 proven. 53 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:58:41,282 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:58:41,282 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51866076] [2021-07-09 17:58:41,282 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51866076] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:58:41,282 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [152987349] [2021-07-09 17:58:41,282 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 [2021-07-09 17:58:41,311 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-07-09 17:58:41,311 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:58:41,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-09 17:58:41,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:58:41,570 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 30 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:58:41,570 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [152987349] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:58:41,570 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:58:41,570 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 17] total 28 [2021-07-09 17:58:41,570 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510896591] [2021-07-09 17:58:41,570 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-09 17:58:41,570 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:58:41,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-09 17:58:41,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=673, Unknown=0, NotChecked=0, Total=812 [2021-07-09 17:58:41,571 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) [2021-07-09 17:58:44,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:58:44,279 INFO L93 Difference]: Finished difference Result 28254 states and 69498 transitions. [2021-07-09 17:58:44,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2021-07-09 17:58:44,280 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 [2021-07-09 17:58:44,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:58:44,331 INFO L225 Difference]: With dead ends: 28254 [2021-07-09 17:58:44,331 INFO L226 Difference]: Without dead ends: 28254 [2021-07-09 17:58:44,332 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7942 ImplicationChecksByTransitivity, 2321.9ms TimeCoverageRelationStatistics Valid=5440, Invalid=14300, Unknown=0, NotChecked=0, Total=19740 [2021-07-09 17:58:44,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28254 states. [2021-07-09 17:58:44,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28254 to 22012. [2021-07-09 17:58:44,727 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) [2021-07-09 17:58:44,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22012 states to 22012 states and 55487 transitions. [2021-07-09 17:58:44,769 INFO L78 Accepts]: Start accepts. Automaton has 22012 states and 55487 transitions. Word has length 40 [2021-07-09 17:58:44,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:58:44,769 INFO L482 AbstractCegarLoop]: Abstraction has 22012 states and 55487 transitions. [2021-07-09 17:58:44,770 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) [2021-07-09 17:58:44,770 INFO L276 IsEmpty]: Start isEmpty. Operand 22012 states and 55487 transitions. [2021-07-09 17:58:44,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-07-09 17:58:44,783 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:58:44,783 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:58:44,984 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2867,127 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:58:44,984 INFO L430 AbstractCegarLoop]: === Iteration 132 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:58:44,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:58:44,984 INFO L82 PathProgramCache]: Analyzing trace with hash 163167602, now seen corresponding path program 127 times [2021-07-09 17:58:44,984 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:58:44,984 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330024956] [2021-07-09 17:58:44,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:58:44,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:58:45,060 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 38 proven. 46 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:58:45,061 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:58:45,061 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330024956] [2021-07-09 17:58:45,061 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330024956] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:58:45,061 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1468896845] [2021-07-09 17:58:45,061 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 [2021-07-09 17:58:45,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:58:45,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-09 17:58:45,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:58:45,338 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 34 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:58:45,338 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1468896845] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:58:45,338 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:58:45,339 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 17] total 27 [2021-07-09 17:58:45,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208282037] [2021-07-09 17:58:45,339 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-09 17:58:45,339 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:58:45,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-09 17:58:45,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=610, Unknown=0, NotChecked=0, Total=756 [2021-07-09 17:58:45,339 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) [2021-07-09 17:58:46,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:58:46,996 INFO L93 Difference]: Finished difference Result 23071 states and 57669 transitions. [2021-07-09 17:58:46,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-07-09 17:58:46,997 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 [2021-07-09 17:58:46,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:58:47,035 INFO L225 Difference]: With dead ends: 23071 [2021-07-09 17:58:47,035 INFO L226 Difference]: Without dead ends: 23053 [2021-07-09 17:58:47,036 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3632 ImplicationChecksByTransitivity, 1371.3ms TimeCoverageRelationStatistics Valid=2150, Invalid=7552, Unknown=0, NotChecked=0, Total=9702 [2021-07-09 17:58:47,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23053 states. [2021-07-09 17:58:47,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23053 to 22214. [2021-07-09 17:58:47,496 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) [2021-07-09 17:58:47,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22214 states to 22214 states and 56037 transitions. [2021-07-09 17:58:47,537 INFO L78 Accepts]: Start accepts. Automaton has 22214 states and 56037 transitions. Word has length 40 [2021-07-09 17:58:47,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:58:47,537 INFO L482 AbstractCegarLoop]: Abstraction has 22214 states and 56037 transitions. [2021-07-09 17:58:47,538 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) [2021-07-09 17:58:47,538 INFO L276 IsEmpty]: Start isEmpty. Operand 22214 states and 56037 transitions. [2021-07-09 17:58:47,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-07-09 17:58:47,551 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:58:47,551 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:58:47,751 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 128 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2868 [2021-07-09 17:58:47,752 INFO L430 AbstractCegarLoop]: === Iteration 133 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:58:47,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:58:47,752 INFO L82 PathProgramCache]: Analyzing trace with hash 1520419894, now seen corresponding path program 128 times [2021-07-09 17:58:47,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:58:47,752 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597755083] [2021-07-09 17:58:47,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:58:47,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:58:47,830 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 30 proven. 54 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:58:47,830 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:58:47,830 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597755083] [2021-07-09 17:58:47,831 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597755083] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:58:47,831 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [807311429] [2021-07-09 17:58:47,831 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 [2021-07-09 17:58:47,862 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 17:58:47,862 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:58:47,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-09 17:58:47,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:58:48,122 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 30 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:58:48,122 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [807311429] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:58:48,122 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:58:48,122 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 17] total 27 [2021-07-09 17:58:48,122 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152885948] [2021-07-09 17:58:48,123 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-09 17:58:48,123 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:58:48,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-09 17:58:48,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=619, Unknown=0, NotChecked=0, Total=756 [2021-07-09 17:58:48,123 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) [2021-07-09 17:58:50,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:58:50,796 INFO L93 Difference]: Finished difference Result 36775 states and 91582 transitions. [2021-07-09 17:58:50,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2021-07-09 17:58:50,797 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 [2021-07-09 17:58:50,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:58:50,868 INFO L225 Difference]: With dead ends: 36775 [2021-07-09 17:58:50,868 INFO L226 Difference]: Without dead ends: 36775 [2021-07-09 17:58:50,871 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8274 ImplicationChecksByTransitivity, 2263.1ms TimeCoverageRelationStatistics Valid=5518, Invalid=14504, Unknown=0, NotChecked=0, Total=20022 [2021-07-09 17:58:50,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36775 states. [2021-07-09 17:58:51,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36775 to 32904. [2021-07-09 17:58:51,511 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) [2021-07-09 17:58:51,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32904 states to 32904 states and 83244 transitions. [2021-07-09 17:58:51,577 INFO L78 Accepts]: Start accepts. Automaton has 32904 states and 83244 transitions. Word has length 40 [2021-07-09 17:58:51,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:58:51,577 INFO L482 AbstractCegarLoop]: Abstraction has 32904 states and 83244 transitions. [2021-07-09 17:58:51,577 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) [2021-07-09 17:58:51,577 INFO L276 IsEmpty]: Start isEmpty. Operand 32904 states and 83244 transitions. [2021-07-09 17:58:51,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-07-09 17:58:51,595 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:58:51,595 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:58:51,847 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 129 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2869 [2021-07-09 17:58:51,848 INFO L430 AbstractCegarLoop]: === Iteration 134 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:58:51,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:58:51,848 INFO L82 PathProgramCache]: Analyzing trace with hash -425600740, now seen corresponding path program 129 times [2021-07-09 17:58:51,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:58:51,848 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876737731] [2021-07-09 17:58:51,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:58:51,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:58:51,930 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 43 proven. 41 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:58:51,931 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:58:51,931 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876737731] [2021-07-09 17:58:51,931 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876737731] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:58:51,931 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1462237449] [2021-07-09 17:58:51,931 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 [2021-07-09 17:58:51,959 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-07-09 17:58:51,959 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:58:51,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-09 17:58:51,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:58:52,249 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 38 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:58:52,249 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1462237449] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:58:52,250 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:58:52,250 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 17] total 26 [2021-07-09 17:58:52,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765713321] [2021-07-09 17:58:52,250 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-09 17:58:52,250 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:58:52,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-09 17:58:52,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=567, Unknown=0, NotChecked=0, Total=702 [2021-07-09 17:58:52,250 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) [2021-07-09 17:58:53,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:58:53,852 INFO L93 Difference]: Finished difference Result 35887 states and 89458 transitions. [2021-07-09 17:58:53,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-07-09 17:58:53,852 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 [2021-07-09 17:58:53,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:58:53,921 INFO L225 Difference]: With dead ends: 35887 [2021-07-09 17:58:53,921 INFO L226 Difference]: Without dead ends: 35883 [2021-07-09 17:58:53,922 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3426 ImplicationChecksByTransitivity, 1360.1ms TimeCoverageRelationStatistics Valid=2678, Invalid=7024, Unknown=0, NotChecked=0, Total=9702 [2021-07-09 17:58:53,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35883 states. [2021-07-09 17:58:54,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35883 to 32269. [2021-07-09 17:58:54,490 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) [2021-07-09 17:58:54,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32269 states to 32269 states and 81524 transitions. [2021-07-09 17:58:54,558 INFO L78 Accepts]: Start accepts. Automaton has 32269 states and 81524 transitions. Word has length 40 [2021-07-09 17:58:54,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:58:54,558 INFO L482 AbstractCegarLoop]: Abstraction has 32269 states and 81524 transitions. [2021-07-09 17:58:54,558 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) [2021-07-09 17:58:54,558 INFO L276 IsEmpty]: Start isEmpty. Operand 32269 states and 81524 transitions. [2021-07-09 17:58:54,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-07-09 17:58:54,577 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:58:54,577 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:58:54,777 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 130 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2870 [2021-07-09 17:58:54,777 INFO L430 AbstractCegarLoop]: === Iteration 135 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:58:54,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:58:54,778 INFO L82 PathProgramCache]: Analyzing trace with hash -931947006, now seen corresponding path program 130 times [2021-07-09 17:58:54,778 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:58:54,778 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340168312] [2021-07-09 17:58:54,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:58:54,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:58:54,850 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 37 proven. 47 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:58:54,851 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:58:54,851 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340168312] [2021-07-09 17:58:54,851 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340168312] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:58:54,851 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [400046959] [2021-07-09 17:58:54,851 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 [2021-07-09 17:58:54,876 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-09 17:58:54,877 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:58:54,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-09 17:58:54,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:58:55,214 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 33 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:58:55,215 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [400046959] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:58:55,215 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:58:55,215 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 17] total 27 [2021-07-09 17:58:55,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205617340] [2021-07-09 17:58:55,215 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-09 17:58:55,215 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:58:55,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-09 17:58:55,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=622, Unknown=0, NotChecked=0, Total=756 [2021-07-09 17:58:55,215 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) [2021-07-09 17:58:56,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:58:56,851 INFO L93 Difference]: Finished difference Result 36401 states and 90806 transitions. [2021-07-09 17:58:56,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-07-09 17:58:56,852 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 [2021-07-09 17:58:56,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:58:56,920 INFO L225 Difference]: With dead ends: 36401 [2021-07-09 17:58:56,920 INFO L226 Difference]: Without dead ends: 36389 [2021-07-09 17:58:56,921 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3240 ImplicationChecksByTransitivity, 1428.5ms TimeCoverageRelationStatistics Valid=2417, Invalid=6895, Unknown=0, NotChecked=0, Total=9312 [2021-07-09 17:58:56,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36389 states. [2021-07-09 17:58:57,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36389 to 31831. [2021-07-09 17:58:57,468 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) [2021-07-09 17:58:57,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31831 states to 31831 states and 80454 transitions. [2021-07-09 17:58:57,533 INFO L78 Accepts]: Start accepts. Automaton has 31831 states and 80454 transitions. Word has length 40 [2021-07-09 17:58:57,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:58:57,533 INFO L482 AbstractCegarLoop]: Abstraction has 31831 states and 80454 transitions. [2021-07-09 17:58:57,533 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) [2021-07-09 17:58:57,533 INFO L276 IsEmpty]: Start isEmpty. Operand 31831 states and 80454 transitions. [2021-07-09 17:58:57,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-07-09 17:58:57,550 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:58:57,550 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:58:57,750 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2871,131 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:58:57,750 INFO L430 AbstractCegarLoop]: === Iteration 136 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:58:57,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:58:57,751 INFO L82 PathProgramCache]: Analyzing trace with hash -1159168386, now seen corresponding path program 131 times [2021-07-09 17:58:57,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:58:57,751 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491884008] [2021-07-09 17:58:57,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:58:57,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:58:57,832 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 30 proven. 54 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:58:57,832 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:58:57,832 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491884008] [2021-07-09 17:58:57,832 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491884008] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:58:57,832 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [228278065] [2021-07-09 17:58:57,832 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 [2021-07-09 17:58:57,860 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-07-09 17:58:57,860 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:58:57,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-09 17:58:57,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:58:58,196 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 27 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:58:58,196 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [228278065] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:58:58,197 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:58:58,197 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 17] total 28 [2021-07-09 17:58:58,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920080084] [2021-07-09 17:58:58,197 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-09 17:58:58,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:58:58,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-09 17:58:58,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=674, Unknown=0, NotChecked=0, Total=812 [2021-07-09 17:58:58,197 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) [2021-07-09 17:58:59,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:58:59,798 INFO L93 Difference]: Finished difference Result 37561 states and 93690 transitions. [2021-07-09 17:58:59,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-07-09 17:58:59,799 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 [2021-07-09 17:58:59,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:58:59,869 INFO L225 Difference]: With dead ends: 37561 [2021-07-09 17:58:59,869 INFO L226 Difference]: Without dead ends: 37541 [2021-07-09 17:58:59,869 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3190 ImplicationChecksByTransitivity, 1426.0ms TimeCoverageRelationStatistics Valid=2289, Invalid=7023, Unknown=0, NotChecked=0, Total=9312 [2021-07-09 17:58:59,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37541 states. [2021-07-09 17:59:00,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37541 to 32042. [2021-07-09 17:59:00,431 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) [2021-07-09 17:59:00,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32042 states to 32042 states and 81056 transitions. [2021-07-09 17:59:00,497 INFO L78 Accepts]: Start accepts. Automaton has 32042 states and 81056 transitions. Word has length 40 [2021-07-09 17:59:00,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:59:00,497 INFO L482 AbstractCegarLoop]: Abstraction has 32042 states and 81056 transitions. [2021-07-09 17:59:00,497 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) [2021-07-09 17:59:00,497 INFO L276 IsEmpty]: Start isEmpty. Operand 32042 states and 81056 transitions. [2021-07-09 17:59:00,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-07-09 17:59:00,515 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:59:00,515 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:59:00,716 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 132 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2872 [2021-07-09 17:59:00,716 INFO L430 AbstractCegarLoop]: === Iteration 137 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:59:00,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:59:00,716 INFO L82 PathProgramCache]: Analyzing trace with hash -475582470, now seen corresponding path program 132 times [2021-07-09 17:59:00,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:59:00,717 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986310358] [2021-07-09 17:59:00,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:59:00,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:59:00,803 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 27 proven. 57 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:59:00,804 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:59:00,804 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986310358] [2021-07-09 17:59:00,804 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986310358] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:59:00,804 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [795691737] [2021-07-09 17:59:00,804 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 [2021-07-09 17:59:00,834 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-07-09 17:59:00,834 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:59:00,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-09 17:59:00,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:59:01,180 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 25 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:59:01,180 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [795691737] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:59:01,180 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:59:01,180 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 17] total 29 [2021-07-09 17:59:01,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093673840] [2021-07-09 17:59:01,181 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-09 17:59:01,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:59:01,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-09 17:59:01,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=724, Unknown=0, NotChecked=0, Total=870 [2021-07-09 17:59:01,181 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) [2021-07-09 17:59:02,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:59:02,940 INFO L93 Difference]: Finished difference Result 39838 states and 99403 transitions. [2021-07-09 17:59:02,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-07-09 17:59:02,940 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 [2021-07-09 17:59:02,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:59:03,024 INFO L225 Difference]: With dead ends: 39838 [2021-07-09 17:59:03,024 INFO L226 Difference]: Without dead ends: 39810 [2021-07-09 17:59:03,025 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3289 ImplicationChecksByTransitivity, 1494.4ms TimeCoverageRelationStatistics Valid=2297, Invalid=7405, Unknown=0, NotChecked=0, Total=9702 [2021-07-09 17:59:03,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39810 states. [2021-07-09 17:59:03,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39810 to 33837. [2021-07-09 17:59:03,706 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) [2021-07-09 17:59:03,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33837 states to 33837 states and 85808 transitions. [2021-07-09 17:59:03,897 INFO L78 Accepts]: Start accepts. Automaton has 33837 states and 85808 transitions. Word has length 40 [2021-07-09 17:59:03,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:59:03,897 INFO L482 AbstractCegarLoop]: Abstraction has 33837 states and 85808 transitions. [2021-07-09 17:59:03,897 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) [2021-07-09 17:59:03,897 INFO L276 IsEmpty]: Start isEmpty. Operand 33837 states and 85808 transitions. [2021-07-09 17:59:03,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-07-09 17:59:03,914 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:59:03,914 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:59:04,115 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 133 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2873 [2021-07-09 17:59:04,115 INFO L430 AbstractCegarLoop]: === Iteration 138 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:59:04,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:59:04,115 INFO L82 PathProgramCache]: Analyzing trace with hash -679513482, now seen corresponding path program 133 times [2021-07-09 17:59:04,115 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:59:04,115 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987480961] [2021-07-09 17:59:04,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:59:04,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:59:04,214 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 28 proven. 56 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:59:04,214 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:59:04,214 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987480961] [2021-07-09 17:59:04,214 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987480961] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:59:04,214 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1866460538] [2021-07-09 17:59:04,214 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 [2021-07-09 17:59:04,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:59:04,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-09 17:59:04,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:59:04,610 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 27 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:59:04,610 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1866460538] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:59:04,610 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:59:04,610 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17] total 30 [2021-07-09 17:59:04,610 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222958967] [2021-07-09 17:59:04,610 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-09 17:59:04,610 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:59:04,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-09 17:59:04,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=772, Unknown=0, NotChecked=0, Total=930 [2021-07-09 17:59:04,611 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) [2021-07-09 17:59:06,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:59:06,490 INFO L93 Difference]: Finished difference Result 43908 states and 109576 transitions. [2021-07-09 17:59:06,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-07-09 17:59:06,491 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 [2021-07-09 17:59:06,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:59:06,571 INFO L225 Difference]: With dead ends: 43908 [2021-07-09 17:59:06,572 INFO L226 Difference]: Without dead ends: 43872 [2021-07-09 17:59:06,572 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3564 ImplicationChecksByTransitivity, 1574.1ms TimeCoverageRelationStatistics Valid=2443, Invalid=8063, Unknown=0, NotChecked=0, Total=10506 [2021-07-09 17:59:06,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43872 states. [2021-07-09 17:59:07,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43872 to 40323. [2021-07-09 17:59:07,321 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) [2021-07-09 17:59:07,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40323 states to 40323 states and 102333 transitions. [2021-07-09 17:59:07,412 INFO L78 Accepts]: Start accepts. Automaton has 40323 states and 102333 transitions. Word has length 40 [2021-07-09 17:59:07,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:59:07,412 INFO L482 AbstractCegarLoop]: Abstraction has 40323 states and 102333 transitions. [2021-07-09 17:59:07,412 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) [2021-07-09 17:59:07,412 INFO L276 IsEmpty]: Start isEmpty. Operand 40323 states and 102333 transitions. [2021-07-09 17:59:07,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-07-09 17:59:07,434 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:59:07,434 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:59:07,635 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 134 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2874 [2021-07-09 17:59:07,635 INFO L430 AbstractCegarLoop]: === Iteration 139 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:59:07,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:59:07,635 INFO L82 PathProgramCache]: Analyzing trace with hash 911279602, now seen corresponding path program 134 times [2021-07-09 17:59:07,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:59:07,636 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820504198] [2021-07-09 17:59:07,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:59:07,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:59:07,843 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 33 proven. 51 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 17:59:07,844 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:59:07,844 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820504198] [2021-07-09 17:59:07,844 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820504198] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:59:07,844 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [784332946] [2021-07-09 17:59:07,844 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 [2021-07-09 17:59:07,870 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 17:59:07,870 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:59:07,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-09 17:59:07,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:59:08,214 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 33 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:59:08,215 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [784332946] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:59:08,215 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:59:08,215 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17] total 31 [2021-07-09 17:59:08,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158910621] [2021-07-09 17:59:08,215 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-07-09 17:59:08,215 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:59:08,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-07-09 17:59:08,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=818, Unknown=0, NotChecked=0, Total=992 [2021-07-09 17:59:08,216 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) [2021-07-09 17:59:10,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:59:10,227 INFO L93 Difference]: Finished difference Result 50681 states and 126374 transitions. [2021-07-09 17:59:10,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-09 17:59:10,227 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 [2021-07-09 17:59:10,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:59:10,355 INFO L225 Difference]: With dead ends: 50681 [2021-07-09 17:59:10,355 INFO L226 Difference]: Without dead ends: 50637 [2021-07-09 17:59:10,356 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4059 ImplicationChecksByTransitivity, 1689.2ms TimeCoverageRelationStatistics Valid=2727, Invalid=9045, Unknown=0, NotChecked=0, Total=11772 [2021-07-09 17:59:10,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50637 states. [2021-07-09 17:59:11,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50637 to 46817. [2021-07-09 17:59:11,406 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) [2021-07-09 17:59:11,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46817 states to 46817 states and 118617 transitions. [2021-07-09 17:59:11,513 INFO L78 Accepts]: Start accepts. Automaton has 46817 states and 118617 transitions. Word has length 40 [2021-07-09 17:59:11,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:59:11,513 INFO L482 AbstractCegarLoop]: Abstraction has 46817 states and 118617 transitions. [2021-07-09 17:59:11,513 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) [2021-07-09 17:59:11,513 INFO L276 IsEmpty]: Start isEmpty. Operand 46817 states and 118617 transitions. [2021-07-09 17:59:11,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-07-09 17:59:11,540 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:59:11,540 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:59:11,740 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2875,135 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:59:11,741 INFO L430 AbstractCegarLoop]: === Iteration 140 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:59:11,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:59:11,741 INFO L82 PathProgramCache]: Analyzing trace with hash 655075950, now seen corresponding path program 135 times [2021-07-09 17:59:11,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:59:11,741 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830883739] [2021-07-09 17:59:11,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:59:11,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:59:11,860 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 43 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:59:11,860 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:59:11,860 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830883739] [2021-07-09 17:59:11,860 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830883739] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:59:11,860 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [767039323] [2021-07-09 17:59:11,860 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 [2021-07-09 17:59:11,892 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-07-09 17:59:11,892 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:59:11,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-09 17:59:11,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:59:12,180 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 43 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:59:12,180 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [767039323] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:59:12,180 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:59:12,180 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-07-09 17:59:12,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501763418] [2021-07-09 17:59:12,180 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-09 17:59:12,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:59:12,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-09 17:59:12,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=862, Unknown=0, NotChecked=0, Total=1056 [2021-07-09 17:59:12,181 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) [2021-07-09 17:59:14,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:59:14,499 INFO L93 Difference]: Finished difference Result 50538 states and 126417 transitions. [2021-07-09 17:59:14,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-07-09 17:59:14,499 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 [2021-07-09 17:59:14,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:59:14,614 INFO L225 Difference]: With dead ends: 50538 [2021-07-09 17:59:14,615 INFO L226 Difference]: Without dead ends: 50486 [2021-07-09 17:59:14,616 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4831 ImplicationChecksByTransitivity, 2046.1ms TimeCoverageRelationStatistics Valid=3147, Invalid=10425, Unknown=0, NotChecked=0, Total=13572 [2021-07-09 17:59:14,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50486 states. [2021-07-09 17:59:15,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50486 to 46981. [2021-07-09 17:59:15,614 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) [2021-07-09 17:59:15,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46981 states to 46981 states and 119175 transitions. [2021-07-09 17:59:15,720 INFO L78 Accepts]: Start accepts. Automaton has 46981 states and 119175 transitions. Word has length 40 [2021-07-09 17:59:15,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:59:15,720 INFO L482 AbstractCegarLoop]: Abstraction has 46981 states and 119175 transitions. [2021-07-09 17:59:15,721 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) [2021-07-09 17:59:15,721 INFO L276 IsEmpty]: Start isEmpty. Operand 46981 states and 119175 transitions. [2021-07-09 17:59:15,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-07-09 17:59:15,754 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:59:15,754 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:59:15,954 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 136 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2876 [2021-07-09 17:59:15,955 INFO L430 AbstractCegarLoop]: === Iteration 141 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:59:15,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:59:15,955 INFO L82 PathProgramCache]: Analyzing trace with hash -1401589900, now seen corresponding path program 136 times [2021-07-09 17:59:15,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:59:15,955 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939430310] [2021-07-09 17:59:15,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:59:15,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:59:16,015 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:59:16,015 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:59:16,015 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939430310] [2021-07-09 17:59:16,015 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939430310] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:59:16,015 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [891961476] [2021-07-09 17:59:16,015 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 [2021-07-09 17:59:16,048 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-09 17:59:16,048 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:59:16,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 45 conjunts are in the unsatisfiable core [2021-07-09 17:59:16,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:59:16,374 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 63 [2021-07-09 17:59:16,374 INFO L354 Elim1Store]: treesize reduction 72, result has 57.4 percent of original size [2021-07-09 17:59:16,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 151 treesize of output 153 [2021-07-09 17:59:16,378 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:16,424 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:59:16,425 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 17:59:16,425 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:151, output treesize:422 [2021-07-09 17:59:18,134 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2021-07-09 17:59:20,157 WARN L205 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 621 DAG size of output: 621 [2021-07-09 17:59:21,735 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 1196 [2021-07-09 17:59:22,941 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 1196 [2021-07-09 17:59:24,508 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 1196 [2021-07-09 17:59:41,210 WARN L205 SmtUtils]: Spent 11.52 s on a formula simplification. DAG size of input: 1196 DAG size of output: 58 [2021-07-09 17:59:42,583 INFO L354 Elim1Store]: treesize reduction 153, result has 9.5 percent of original size [2021-07-09 17:59:42,584 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 13 new quantified variables, introduced 21 case distinctions, treesize of input 223 treesize of output 86 [2021-07-09 17:59:42,586 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:42,752 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 111 [2021-07-09 17:59:42,752 INFO L628 ElimStorePlain]: treesize reduction 863, result has 37.4 percent of original size [2021-07-09 17:59:42,827 INFO L354 Elim1Store]: treesize reduction 113, result has 33.1 percent of original size [2021-07-09 17:59:42,827 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 13 new quantified variables, introduced 21 case distinctions, treesize of input 86 treesize of output 91 [2021-07-09 17:59:42,830 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:42,877 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:59:42,918 INFO L354 Elim1Store]: treesize reduction 151, result has 10.7 percent of original size [2021-07-09 17:59:42,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 87 treesize of output 52 [2021-07-09 17:59:42,920 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:42,962 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:59:42,999 INFO L354 Elim1Store]: treesize reduction 156, result has 7.7 percent of original size [2021-07-09 17:59:42,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2021-07-09 17:59:43,000 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:43,037 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:59:43,134 INFO L354 Elim1Store]: treesize reduction 84, result has 50.3 percent of original size [2021-07-09 17:59:43,134 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 13 new quantified variables, introduced 21 case distinctions, treesize of input 101 treesize of output 133 [2021-07-09 17:59:43,138 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:43,148 INFO L628 ElimStorePlain]: treesize reduction 179, result has 1.6 percent of original size [2021-07-09 17:59:43,148 INFO L518 ElimStorePlain]: Eliminatee v_prenex_138 vanished before elimination [2021-07-09 17:59:43,148 INFO L518 ElimStorePlain]: Eliminatee v_prenex_139 vanished before elimination [2021-07-09 17:59:43,148 INFO L550 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 7 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 17:59:43,148 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 14 variables, input treesize:1590, output treesize:3 [2021-07-09 17:59:43,154 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 17:59:43,154 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [891961476] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:59:43,154 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 17:59:43,154 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 16] total 23 [2021-07-09 17:59:43,154 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402333127] [2021-07-09 17:59:43,154 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-09 17:59:43,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 17:59:43,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-09 17:59:43,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2021-07-09 17:59:43,155 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) [2021-07-09 17:59:43,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 17:59:43,953 INFO L93 Difference]: Finished difference Result 50920 states and 128844 transitions. [2021-07-09 17:59:43,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-09 17:59:43,953 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 [2021-07-09 17:59:43,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 17:59:44,071 INFO L225 Difference]: With dead ends: 50920 [2021-07-09 17:59:44,071 INFO L226 Difference]: Without dead ends: 50913 [2021-07-09 17:59:44,072 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 17636.5ms TimeCoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2021-07-09 17:59:44,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50913 states. [2021-07-09 17:59:44,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50913 to 49976. [2021-07-09 17:59:45,005 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) [2021-07-09 17:59:45,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49976 states to 49976 states and 127041 transitions. [2021-07-09 17:59:45,116 INFO L78 Accepts]: Start accepts. Automaton has 49976 states and 127041 transitions. Word has length 42 [2021-07-09 17:59:45,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 17:59:45,116 INFO L482 AbstractCegarLoop]: Abstraction has 49976 states and 127041 transitions. [2021-07-09 17:59:45,116 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) [2021-07-09 17:59:45,117 INFO L276 IsEmpty]: Start isEmpty. Operand 49976 states and 127041 transitions. [2021-07-09 17:59:45,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-07-09 17:59:45,151 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 17:59:45,151 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 17:59:45,351 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2877,137 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 17:59:45,351 INFO L430 AbstractCegarLoop]: === Iteration 142 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 17:59:45,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 17:59:45,352 INFO L82 PathProgramCache]: Analyzing trace with hash 631984244, now seen corresponding path program 137 times [2021-07-09 17:59:45,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 17:59:45,352 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272367486] [2021-07-09 17:59:45,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 17:59:45,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 17:59:45,397 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-09 17:59:45,398 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 17:59:45,398 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272367486] [2021-07-09 17:59:45,398 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272367486] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 17:59:45,398 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1383876434] [2021-07-09 17:59:45,398 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 [2021-07-09 17:59:45,427 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-07-09 17:59:45,427 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 17:59:45,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 49 conjunts are in the unsatisfiable core [2021-07-09 17:59:45,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 17:59:45,962 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2021-07-09 17:59:45,962 INFO L354 Elim1Store]: treesize reduction 755, result has 23.8 percent of original size [2021-07-09 17:59:45,962 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 [2021-07-09 17:59:45,969 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:46,016 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 17:59:46,018 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 17:59:46,018 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:187, output treesize:412 [2021-07-09 17:59:47,020 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2021-07-09 17:59:47,630 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2021-07-09 17:59:47,866 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:47,866 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 196 treesize of output 53 [2021-07-09 17:59:47,868 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:47,928 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:47,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 17:59:47,930 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:48,002 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:48,003 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 173 treesize of output 1 [2021-07-09 17:59:48,003 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:48,067 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:48,067 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 234 treesize of output 61 [2021-07-09 17:59:48,069 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:48,133 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:48,133 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 192 treesize of output 55 [2021-07-09 17:59:48,134 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:48,197 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:48,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 169 treesize of output 50 [2021-07-09 17:59:48,198 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:48,261 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:48,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 17:59:48,274 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:48,348 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:48,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 192 treesize of output 55 [2021-07-09 17:59:48,350 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:48,434 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 17:59:48,434 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 212 treesize of output 65 [2021-07-09 17:59:48,436 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:48,511 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:48,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 17:59:48,514 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:48,589 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:48,590 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 178 treesize of output 1 [2021-07-09 17:59:48,590 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:48,659 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:48,659 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 210 treesize of output 55 [2021-07-09 17:59:48,660 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:48,722 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:48,723 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 194 treesize of output 55 [2021-07-09 17:59:48,724 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:48,805 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 17:59:48,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 227 treesize of output 1 [2021-07-09 17:59:48,806 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:48,880 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:48,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 17:59:48,881 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:48,961 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 17:59:48,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 207 treesize of output 64 [2021-07-09 17:59:48,965 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:49,039 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:49,040 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 213 treesize of output 1 [2021-07-09 17:59:49,040 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:49,112 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:49,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 154 treesize of output 1 [2021-07-09 17:59:49,113 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:49,181 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:49,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 213 treesize of output 58 [2021-07-09 17:59:49,182 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:49,255 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:49,256 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 159 treesize of output 1 [2021-07-09 17:59:49,256 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:49,325 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:49,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 213 treesize of output 58 [2021-07-09 17:59:49,327 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:49,401 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:49,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 207 treesize of output 1 [2021-07-09 17:59:49,402 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:49,477 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:49,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 17:59:49,479 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:49,573 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:49,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 172 treesize of output 1 [2021-07-09 17:59:49,574 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:49,648 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:49,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 210 treesize of output 55 [2021-07-09 17:59:49,650 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:49,735 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 17:59:49,736 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 217 treesize of output 66 [2021-07-09 17:59:49,737 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:49,811 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:49,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 184 treesize of output 53 [2021-07-09 17:59:49,812 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:49,905 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 17:59:49,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 17:59:49,907 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:49,999 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 17:59:49,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 17:59:50,000 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:50,078 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:50,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 194 treesize of output 55 [2021-07-09 17:59:50,080 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:50,163 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:50,163 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 172 treesize of output 1 [2021-07-09 17:59:50,164 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:50,242 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:50,242 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 177 treesize of output 52 [2021-07-09 17:59:50,244 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:50,323 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:50,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 175 treesize of output 52 [2021-07-09 17:59:50,325 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:50,409 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:50,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 199 treesize of output 56 [2021-07-09 17:59:50,411 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:50,492 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:50,493 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 206 treesize of output 57 [2021-07-09 17:59:50,495 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:50,578 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:50,578 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 179 treesize of output 52 [2021-07-09 17:59:50,579 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:50,671 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:50,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 17:59:50,671 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:50,761 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:50,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 17:59:50,763 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:50,857 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 17:59:50,857 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 227 treesize of output 68 [2021-07-09 17:59:50,858 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:50,958 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 17:59:50,958 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 232 treesize of output 69 [2021-07-09 17:59:50,959 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:51,046 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:51,046 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 205 treesize of output 56 [2021-07-09 17:59:51,047 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:51,139 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:51,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 223 treesize of output 1 [2021-07-09 17:59:51,140 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:51,227 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:51,227 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 207 treesize of output 58 [2021-07-09 17:59:51,229 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:51,321 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:51,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 17:59:51,323 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:51,410 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:51,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 208 treesize of output 57 [2021-07-09 17:59:51,411 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:51,499 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:51,500 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 199 treesize of output 56 [2021-07-09 17:59:51,501 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:51,604 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 17:59:51,604 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 207 treesize of output 64 [2021-07-09 17:59:51,605 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:51,700 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:51,701 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 154 treesize of output 1 [2021-07-09 17:59:51,701 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:51,791 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:51,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 191 treesize of output 52 [2021-07-09 17:59:51,793 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:51,885 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:51,885 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 189 treesize of output 54 [2021-07-09 17:59:51,887 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:51,982 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:51,982 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 195 treesize of output 54 [2021-07-09 17:59:51,983 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:52,078 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:52,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 213 treesize of output 58 [2021-07-09 17:59:52,079 INFO L550 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:52,177 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:52,178 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 195 treesize of output 56 [2021-07-09 17:59:52,179 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:52,273 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:52,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 224 treesize of output 59 [2021-07-09 17:59:52,274 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:52,382 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 17:59:52,382 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 207 treesize of output 64 [2021-07-09 17:59:52,384 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:52,488 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:52,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 17:59:52,489 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:52,595 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 17:59:52,596 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 227 treesize of output 68 [2021-07-09 17:59:52,597 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:52,695 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:52,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 17:59:52,696 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:52,796 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:52,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 195 treesize of output 54 [2021-07-09 17:59:52,798 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:52,896 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:52,896 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 218 treesize of output 59 [2021-07-09 17:59:52,897 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:53,133 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:53,133 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 187 treesize of output 54 [2021-07-09 17:59:53,134 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:53,200 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 17:59:53,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 222 treesize of output 67 [2021-07-09 17:59:53,201 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:53,255 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:53,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 17:59:53,256 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:53,315 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:53,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 194 treesize of output 55 [2021-07-09 17:59:53,317 INFO L550 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:53,376 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:53,377 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 191 treesize of output 52 [2021-07-09 17:59:53,378 INFO L550 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:53,437 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:53,437 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 192 treesize of output 55 [2021-07-09 17:59:53,438 INFO L550 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:53,498 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:53,499 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 203 treesize of output 58 [2021-07-09 17:59:53,500 INFO L550 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:53,556 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:53,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 17:59:53,558 INFO L550 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:53,624 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 17:59:53,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 17:59:53,626 INFO L550 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:53,683 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:53,683 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 177 treesize of output 52 [2021-07-09 17:59:53,684 INFO L550 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:53,742 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:53,742 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 204 treesize of output 57 [2021-07-09 17:59:53,743 INFO L550 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:53,803 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:53,803 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 227 treesize of output 62 [2021-07-09 17:59:53,804 INFO L550 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:53,862 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:53,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 17:59:53,864 INFO L550 ElimStorePlain]: Start of recursive call 74: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:53,935 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:53,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 17:59:53,936 INFO L550 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:54,000 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:54,000 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 179 treesize of output 52 [2021-07-09 17:59:54,002 INFO L550 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:54,079 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 17:59:54,080 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 212 treesize of output 65 [2021-07-09 17:59:54,081 INFO L550 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:54,142 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:54,143 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 209 treesize of output 56 [2021-07-09 17:59:54,144 INFO L550 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:54,206 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:54,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 17:59:54,208 INFO L550 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:54,270 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:54,270 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 177 treesize of output 52 [2021-07-09 17:59:54,272 INFO L550 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:54,346 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 17:59:54,347 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 222 treesize of output 67 [2021-07-09 17:59:54,348 INFO L550 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:54,412 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:54,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 17:59:54,414 INFO L550 ElimStorePlain]: Start of recursive call 82: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:54,480 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:54,480 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 194 treesize of output 55 [2021-07-09 17:59:54,481 INFO L550 ElimStorePlain]: Start of recursive call 83: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:54,550 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:54,550 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 203 treesize of output 58 [2021-07-09 17:59:54,551 INFO L550 ElimStorePlain]: Start of recursive call 84: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:54,625 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:54,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 232 treesize of output 63 [2021-07-09 17:59:54,626 INFO L550 ElimStorePlain]: Start of recursive call 85: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:54,694 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:54,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 17:59:54,696 INFO L550 ElimStorePlain]: Start of recursive call 86: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:54,765 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:54,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 17:59:54,766 INFO L550 ElimStorePlain]: Start of recursive call 87: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:54,847 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 17:59:54,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 17:59:54,849 INFO L550 ElimStorePlain]: Start of recursive call 88: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:54,918 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:54,919 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 203 treesize of output 56 [2021-07-09 17:59:54,920 INFO L550 ElimStorePlain]: Start of recursive call 89: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:54,989 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:54,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 191 treesize of output 52 [2021-07-09 17:59:54,991 INFO L550 ElimStorePlain]: Start of recursive call 90: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:55,065 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:55,065 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 209 treesize of output 58 [2021-07-09 17:59:55,066 INFO L550 ElimStorePlain]: Start of recursive call 91: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:55,145 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:55,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 17:59:55,147 INFO L550 ElimStorePlain]: Start of recursive call 92: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:55,237 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 17:59:55,237 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 217 treesize of output 66 [2021-07-09 17:59:55,239 INFO L550 ElimStorePlain]: Start of recursive call 93: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:55,312 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:55,312 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 203 treesize of output 58 [2021-07-09 17:59:55,314 INFO L550 ElimStorePlain]: Start of recursive call 94: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:55,386 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:55,386 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 194 treesize of output 55 [2021-07-09 17:59:55,387 INFO L550 ElimStorePlain]: Start of recursive call 95: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:55,461 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:55,461 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 199 treesize of output 56 [2021-07-09 17:59:55,462 INFO L550 ElimStorePlain]: Start of recursive call 96: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:55,535 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:55,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 169 treesize of output 50 [2021-07-09 17:59:55,537 INFO L550 ElimStorePlain]: Start of recursive call 97: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:55,610 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:55,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 215 treesize of output 56 [2021-07-09 17:59:55,612 INFO L550 ElimStorePlain]: Start of recursive call 98: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:55,687 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:55,687 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 175 treesize of output 52 [2021-07-09 17:59:55,688 INFO L550 ElimStorePlain]: Start of recursive call 99: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:55,769 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:55,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 17:59:55,771 INFO L550 ElimStorePlain]: Start of recursive call 100: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:55,846 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:55,846 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 189 treesize of output 54 [2021-07-09 17:59:55,848 INFO L550 ElimStorePlain]: Start of recursive call 101: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:55,924 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:55,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 182 treesize of output 53 [2021-07-09 17:59:55,925 INFO L550 ElimStorePlain]: Start of recursive call 102: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:56,012 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 17:59:56,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 222 treesize of output 67 [2021-07-09 17:59:56,016 INFO L550 ElimStorePlain]: Start of recursive call 103: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:56,104 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 17:59:56,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 212 treesize of output 65 [2021-07-09 17:59:56,117 INFO L550 ElimStorePlain]: Start of recursive call 104: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:56,196 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:56,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 222 treesize of output 61 [2021-07-09 17:59:56,198 INFO L550 ElimStorePlain]: Start of recursive call 105: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:56,277 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:56,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 17:59:56,278 INFO L550 ElimStorePlain]: Start of recursive call 106: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:56,358 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:56,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 184 treesize of output 53 [2021-07-09 17:59:56,360 INFO L550 ElimStorePlain]: Start of recursive call 107: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:56,441 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:56,441 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 197 treesize of output 56 [2021-07-09 17:59:56,442 INFO L550 ElimStorePlain]: Start of recursive call 108: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:56,522 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:56,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 180 treesize of output 51 [2021-07-09 17:59:56,524 INFO L550 ElimStorePlain]: Start of recursive call 109: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:56,604 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:56,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 17:59:56,606 INFO L550 ElimStorePlain]: Start of recursive call 110: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:56,689 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:56,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 190 treesize of output 53 [2021-07-09 17:59:56,691 INFO L550 ElimStorePlain]: Start of recursive call 111: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:56,784 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 17:59:56,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 17:59:56,785 INFO L550 ElimStorePlain]: Start of recursive call 112: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:56,868 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:56,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 17:59:56,874 INFO L550 ElimStorePlain]: Start of recursive call 113: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:56,957 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:56,957 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 224 treesize of output 59 [2021-07-09 17:59:56,959 INFO L550 ElimStorePlain]: Start of recursive call 114: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:57,042 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:57,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 17:59:57,044 INFO L550 ElimStorePlain]: Start of recursive call 115: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:57,135 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:57,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 17:59:57,136 INFO L550 ElimStorePlain]: Start of recursive call 116: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:57,229 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:57,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 212 treesize of output 59 [2021-07-09 17:59:57,231 INFO L550 ElimStorePlain]: Start of recursive call 117: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:57,325 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:57,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 206 treesize of output 55 [2021-07-09 17:59:57,326 INFO L550 ElimStorePlain]: Start of recursive call 118: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:57,417 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:57,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 218 treesize of output 61 [2021-07-09 17:59:57,419 INFO L550 ElimStorePlain]: Start of recursive call 119: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:57,506 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:57,507 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 194 treesize of output 55 [2021-07-09 17:59:57,508 INFO L550 ElimStorePlain]: Start of recursive call 120: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:57,597 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:57,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 17:59:57,599 INFO L550 ElimStorePlain]: Start of recursive call 121: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:57,688 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:57,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 17:59:57,690 INFO L550 ElimStorePlain]: Start of recursive call 122: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:57,779 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:57,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 17:59:57,780 INFO L550 ElimStorePlain]: Start of recursive call 123: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:57,870 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:57,871 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 201 treesize of output 54 [2021-07-09 17:59:57,872 INFO L550 ElimStorePlain]: Start of recursive call 124: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:57,964 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:57,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 201 treesize of output 56 [2021-07-09 17:59:57,965 INFO L550 ElimStorePlain]: Start of recursive call 125: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:58,055 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:58,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 202 treesize of output 57 [2021-07-09 17:59:58,057 INFO L550 ElimStorePlain]: Start of recursive call 126: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:58,157 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 17:59:58,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 17:59:58,158 INFO L550 ElimStorePlain]: Start of recursive call 127: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:58,249 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:58,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 17:59:58,250 INFO L550 ElimStorePlain]: Start of recursive call 128: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:58,341 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:58,341 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 201 treesize of output 56 [2021-07-09 17:59:58,342 INFO L550 ElimStorePlain]: Start of recursive call 129: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:58,434 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:58,434 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 179 treesize of output 52 [2021-07-09 17:59:58,435 INFO L550 ElimStorePlain]: Start of recursive call 130: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:58,526 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:58,526 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 201 treesize of output 56 [2021-07-09 17:59:58,527 INFO L550 ElimStorePlain]: Start of recursive call 131: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:58,619 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:58,619 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 216 treesize of output 59 [2021-07-09 17:59:58,620 INFO L550 ElimStorePlain]: Start of recursive call 132: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:58,727 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 17:59:58,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 17:59:58,728 INFO L550 ElimStorePlain]: Start of recursive call 133: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:58,822 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:58,822 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 169 treesize of output 50 [2021-07-09 17:59:58,824 INFO L550 ElimStorePlain]: Start of recursive call 134: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:58,927 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 17:59:58,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 217 treesize of output 66 [2021-07-09 17:59:58,929 INFO L550 ElimStorePlain]: Start of recursive call 135: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:59,022 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:59,023 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 212 treesize of output 59 [2021-07-09 17:59:59,024 INFO L550 ElimStorePlain]: Start of recursive call 136: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:59,118 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:59,118 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 52 [2021-07-09 17:59:59,119 INFO L550 ElimStorePlain]: Start of recursive call 137: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:59,213 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:59,213 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 204 treesize of output 57 [2021-07-09 17:59:59,214 INFO L550 ElimStorePlain]: Start of recursive call 138: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:59,308 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:59,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 186 treesize of output 51 [2021-07-09 17:59:59,310 INFO L550 ElimStorePlain]: Start of recursive call 139: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:59,406 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:59,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 17:59:59,408 INFO L550 ElimStorePlain]: Start of recursive call 140: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:59,533 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:59,533 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 225 treesize of output 60 [2021-07-09 17:59:59,534 INFO L550 ElimStorePlain]: Start of recursive call 141: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:59,633 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:59,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 17:59:59,635 INFO L550 ElimStorePlain]: Start of recursive call 142: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:59,732 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:59,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 196 treesize of output 55 [2021-07-09 17:59:59,734 INFO L550 ElimStorePlain]: Start of recursive call 143: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:59,840 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 17:59:59,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 17:59:59,841 INFO L550 ElimStorePlain]: Start of recursive call 144: End of recursive call: and 1 xjuncts. [2021-07-09 17:59:59,940 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 17:59:59,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 17:59:59,942 INFO L550 ElimStorePlain]: Start of recursive call 145: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:00,041 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:00,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 190 treesize of output 53 [2021-07-09 18:00:00,043 INFO L550 ElimStorePlain]: Start of recursive call 146: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:00,141 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:00,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:00,143 INFO L550 ElimStorePlain]: Start of recursive call 147: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:00,243 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:00,243 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 196 treesize of output 55 [2021-07-09 18:00:00,244 INFO L550 ElimStorePlain]: Start of recursive call 148: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:00,346 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:00,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:00,348 INFO L550 ElimStorePlain]: Start of recursive call 149: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:00,452 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:00,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 220 treesize of output 59 [2021-07-09 18:00:00,453 INFO L550 ElimStorePlain]: Start of recursive call 150: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:00,555 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:00,555 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 190 treesize of output 53 [2021-07-09 18:00:00,557 INFO L550 ElimStorePlain]: Start of recursive call 151: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:00,659 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:00,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:00,661 INFO L550 ElimStorePlain]: Start of recursive call 152: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:00,763 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:00,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 182 treesize of output 53 [2021-07-09 18:00:00,765 INFO L550 ElimStorePlain]: Start of recursive call 153: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:00,870 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:00,870 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 53 [2021-07-09 18:00:00,872 INFO L550 ElimStorePlain]: Start of recursive call 154: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:00,977 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:00,978 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 201 treesize of output 54 [2021-07-09 18:00:00,979 INFO L550 ElimStorePlain]: Start of recursive call 155: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:01,081 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:01,081 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 179 treesize of output 52 [2021-07-09 18:00:01,083 INFO L550 ElimStorePlain]: Start of recursive call 156: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:01,187 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:01,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 220 treesize of output 59 [2021-07-09 18:00:01,188 INFO L550 ElimStorePlain]: Start of recursive call 157: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:01,292 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:01,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:01,294 INFO L550 ElimStorePlain]: Start of recursive call 158: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:01,399 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:01,399 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 184 treesize of output 53 [2021-07-09 18:00:01,401 INFO L550 ElimStorePlain]: Start of recursive call 159: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:01,508 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:01,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:01,510 INFO L550 ElimStorePlain]: Start of recursive call 160: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:01,621 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:01,621 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 198 treesize of output 57 [2021-07-09 18:00:01,622 INFO L550 ElimStorePlain]: Start of recursive call 161: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:01,728 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:01,729 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 197 treesize of output 56 [2021-07-09 18:00:01,730 INFO L550 ElimStorePlain]: Start of recursive call 162: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:01,845 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:01,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:01,847 INFO L550 ElimStorePlain]: Start of recursive call 163: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:01,954 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:01,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:01,955 INFO L550 ElimStorePlain]: Start of recursive call 164: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:02,071 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:00:02,072 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 222 treesize of output 67 [2021-07-09 18:00:02,073 INFO L550 ElimStorePlain]: Start of recursive call 165: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:02,178 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:02,178 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 206 treesize of output 57 [2021-07-09 18:00:02,180 INFO L550 ElimStorePlain]: Start of recursive call 166: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:02,286 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:02,287 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 204 treesize of output 57 [2021-07-09 18:00:02,288 INFO L550 ElimStorePlain]: Start of recursive call 167: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:02,395 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:02,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 194 treesize of output 55 [2021-07-09 18:00:02,397 INFO L550 ElimStorePlain]: Start of recursive call 168: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:02,506 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:02,506 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 218 treesize of output 59 [2021-07-09 18:00:02,507 INFO L550 ElimStorePlain]: Start of recursive call 169: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:02,617 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:02,617 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 207 treesize of output 58 [2021-07-09 18:00:02,619 INFO L550 ElimStorePlain]: Start of recursive call 170: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:02,738 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:00:02,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 237 treesize of output 70 [2021-07-09 18:00:02,741 INFO L550 ElimStorePlain]: Start of recursive call 171: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:02,853 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:02,853 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 234 treesize of output 61 [2021-07-09 18:00:02,855 INFO L550 ElimStorePlain]: Start of recursive call 172: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:02,963 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:02,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 212 treesize of output 59 [2021-07-09 18:00:02,965 INFO L550 ElimStorePlain]: Start of recursive call 173: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:03,076 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:03,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 211 treesize of output 58 [2021-07-09 18:00:03,077 INFO L550 ElimStorePlain]: Start of recursive call 174: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:03,188 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:03,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 194 treesize of output 55 [2021-07-09 18:00:03,190 INFO L550 ElimStorePlain]: Start of recursive call 175: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:03,301 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:03,301 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 215 treesize of output 56 [2021-07-09 18:00:03,302 INFO L550 ElimStorePlain]: Start of recursive call 176: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:03,420 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:03,420 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 178 treesize of output 51 [2021-07-09 18:00:03,421 INFO L550 ElimStorePlain]: Start of recursive call 177: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:03,535 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:03,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 189 treesize of output 54 [2021-07-09 18:00:03,547 INFO L550 ElimStorePlain]: Start of recursive call 178: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:03,660 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:03,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:03,662 INFO L550 ElimStorePlain]: Start of recursive call 179: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:03,773 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:03,773 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 239 treesize of output 62 [2021-07-09 18:00:03,774 INFO L550 ElimStorePlain]: Start of recursive call 180: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:03,890 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:03,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:03,892 INFO L550 ElimStorePlain]: Start of recursive call 181: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:04,006 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:04,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:04,008 INFO L550 ElimStorePlain]: Start of recursive call 182: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:04,125 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:04,125 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 205 treesize of output 56 [2021-07-09 18:00:04,126 INFO L550 ElimStorePlain]: Start of recursive call 183: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:04,242 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:04,243 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 210 treesize of output 57 [2021-07-09 18:00:04,245 INFO L550 ElimStorePlain]: Start of recursive call 184: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:04,367 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:04,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:04,369 INFO L550 ElimStorePlain]: Start of recursive call 185: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:04,495 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:00:04,495 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 212 treesize of output 65 [2021-07-09 18:00:04,498 INFO L550 ElimStorePlain]: Start of recursive call 186: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:04,626 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:00:04,626 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 217 treesize of output 66 [2021-07-09 18:00:04,627 INFO L550 ElimStorePlain]: Start of recursive call 187: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:04,742 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:04,742 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 184 treesize of output 53 [2021-07-09 18:00:04,745 INFO L550 ElimStorePlain]: Start of recursive call 188: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:04,860 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:04,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:04,861 INFO L550 ElimStorePlain]: Start of recursive call 189: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:04,985 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:00:04,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 232 treesize of output 69 [2021-07-09 18:00:04,987 INFO L550 ElimStorePlain]: Start of recursive call 190: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:05,105 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:05,105 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 189 treesize of output 54 [2021-07-09 18:00:05,107 INFO L550 ElimStorePlain]: Start of recursive call 191: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:05,224 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:05,225 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 214 treesize of output 57 [2021-07-09 18:00:05,226 INFO L550 ElimStorePlain]: Start of recursive call 192: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:05,343 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:05,344 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 244 treesize of output 63 [2021-07-09 18:00:05,345 INFO L550 ElimStorePlain]: Start of recursive call 193: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:05,468 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:05,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:05,470 INFO L550 ElimStorePlain]: Start of recursive call 194: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:05,588 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:05,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 217 treesize of output 60 [2021-07-09 18:00:05,590 INFO L550 ElimStorePlain]: Start of recursive call 195: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:05,709 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:05,709 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 200 treesize of output 55 [2021-07-09 18:00:05,711 INFO L550 ElimStorePlain]: Start of recursive call 196: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:05,829 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:05,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:05,830 INFO L550 ElimStorePlain]: Start of recursive call 197: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:05,947 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:05,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:05,949 INFO L550 ElimStorePlain]: Start of recursive call 198: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:06,066 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:06,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:06,068 INFO L550 ElimStorePlain]: Start of recursive call 199: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:06,186 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:06,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 202 treesize of output 57 [2021-07-09 18:00:06,188 INFO L550 ElimStorePlain]: Start of recursive call 200: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:06,306 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:06,306 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 211 treesize of output 58 [2021-07-09 18:00:06,307 INFO L550 ElimStorePlain]: Start of recursive call 201: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:06,425 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:06,425 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 164 treesize of output 49 [2021-07-09 18:00:06,426 INFO L550 ElimStorePlain]: Start of recursive call 202: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:06,544 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:06,544 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 193 treesize of output 56 [2021-07-09 18:00:06,546 INFO L550 ElimStorePlain]: Start of recursive call 203: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:06,664 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:06,664 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 200 treesize of output 55 [2021-07-09 18:00:06,666 INFO L550 ElimStorePlain]: Start of recursive call 204: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:06,791 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:06,791 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 183 treesize of output 52 [2021-07-09 18:00:06,792 INFO L550 ElimStorePlain]: Start of recursive call 205: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:06,834 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:06,834 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 197 treesize of output 56 [2021-07-09 18:00:06,835 INFO L550 ElimStorePlain]: Start of recursive call 206: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:06,877 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:06,878 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 189 treesize of output 54 [2021-07-09 18:00:06,879 INFO L550 ElimStorePlain]: Start of recursive call 207: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:06,921 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:06,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:06,922 INFO L550 ElimStorePlain]: Start of recursive call 208: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:06,965 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:06,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 189 treesize of output 54 [2021-07-09 18:00:06,967 INFO L550 ElimStorePlain]: Start of recursive call 209: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:07,010 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:07,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 207 treesize of output 58 [2021-07-09 18:00:07,011 INFO L550 ElimStorePlain]: Start of recursive call 210: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:07,066 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:00:07,067 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 222 treesize of output 67 [2021-07-09 18:00:07,068 INFO L550 ElimStorePlain]: Start of recursive call 211: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:07,122 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:00:07,122 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 222 treesize of output 67 [2021-07-09 18:00:07,123 INFO L550 ElimStorePlain]: Start of recursive call 212: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:07,168 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:07,169 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 217 treesize of output 60 [2021-07-09 18:00:07,170 INFO L550 ElimStorePlain]: Start of recursive call 213: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:07,215 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:07,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:07,216 INFO L550 ElimStorePlain]: Start of recursive call 214: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:07,263 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:07,263 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 229 treesize of output 60 [2021-07-09 18:00:07,265 INFO L550 ElimStorePlain]: Start of recursive call 215: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:07,313 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:07,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:07,314 INFO L550 ElimStorePlain]: Start of recursive call 216: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:07,361 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:07,361 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 219 treesize of output 58 [2021-07-09 18:00:07,362 INFO L550 ElimStorePlain]: Start of recursive call 217: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:07,413 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:07,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:07,415 INFO L550 ElimStorePlain]: Start of recursive call 218: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:07,466 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:07,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 188 treesize of output 53 [2021-07-09 18:00:07,468 INFO L550 ElimStorePlain]: Start of recursive call 219: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:07,518 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:07,518 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 216 treesize of output 59 [2021-07-09 18:00:07,519 INFO L550 ElimStorePlain]: Start of recursive call 220: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:07,567 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:07,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 164 treesize of output 49 [2021-07-09 18:00:07,569 INFO L550 ElimStorePlain]: Start of recursive call 221: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:07,616 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:07,617 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 207 treesize of output 58 [2021-07-09 18:00:07,618 INFO L550 ElimStorePlain]: Start of recursive call 222: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:07,676 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:00:07,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 202 treesize of output 63 [2021-07-09 18:00:07,678 INFO L550 ElimStorePlain]: Start of recursive call 223: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:07,728 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:07,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:07,729 INFO L550 ElimStorePlain]: Start of recursive call 224: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:07,778 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:07,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:07,780 INFO L550 ElimStorePlain]: Start of recursive call 225: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:07,831 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:07,831 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 174 treesize of output 51 [2021-07-09 18:00:07,832 INFO L550 ElimStorePlain]: Start of recursive call 226: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:07,886 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:07,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:07,887 INFO L550 ElimStorePlain]: Start of recursive call 227: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:07,941 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:07,941 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 175 treesize of output 50 [2021-07-09 18:00:07,942 INFO L550 ElimStorePlain]: Start of recursive call 228: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:07,991 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:07,992 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 [2021-07-09 18:00:07,993 INFO L550 ElimStorePlain]: Start of recursive call 229: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:08,040 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:08,040 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 218 treesize of output 61 [2021-07-09 18:00:08,041 INFO L550 ElimStorePlain]: Start of recursive call 230: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:08,089 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:08,089 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 213 treesize of output 60 [2021-07-09 18:00:08,090 INFO L550 ElimStorePlain]: Start of recursive call 231: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:08,142 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:08,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:08,143 INFO L550 ElimStorePlain]: Start of recursive call 232: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:08,209 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:00:08,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:00:08,211 INFO L550 ElimStorePlain]: Start of recursive call 233: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:08,266 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:08,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 189 treesize of output 54 [2021-07-09 18:00:08,267 INFO L550 ElimStorePlain]: Start of recursive call 234: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:08,325 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:08,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 179 treesize of output 52 [2021-07-09 18:00:08,327 INFO L550 ElimStorePlain]: Start of recursive call 235: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:08,380 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:08,381 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 222 treesize of output 61 [2021-07-09 18:00:08,382 INFO L550 ElimStorePlain]: Start of recursive call 236: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:08,439 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:08,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 199 treesize of output 56 [2021-07-09 18:00:08,441 INFO L550 ElimStorePlain]: Start of recursive call 237: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:08,496 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:08,496 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 177 treesize of output 52 [2021-07-09 18:00:08,497 INFO L550 ElimStorePlain]: Start of recursive call 238: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:08,562 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:00:08,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:00:08,563 INFO L550 ElimStorePlain]: Start of recursive call 239: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:08,619 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:08,619 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 190 treesize of output 55 [2021-07-09 18:00:08,620 INFO L550 ElimStorePlain]: Start of recursive call 240: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:08,677 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:08,677 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 198 treesize of output 57 [2021-07-09 18:00:08,678 INFO L550 ElimStorePlain]: Start of recursive call 241: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:08,734 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:08,735 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 213 treesize of output 58 [2021-07-09 18:00:08,736 INFO L550 ElimStorePlain]: Start of recursive call 242: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:08,793 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:08,793 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 207 treesize of output 58 [2021-07-09 18:00:08,794 INFO L550 ElimStorePlain]: Start of recursive call 243: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:08,851 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:08,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:08,853 INFO L550 ElimStorePlain]: Start of recursive call 244: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:08,910 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:08,910 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 232 treesize of output 63 [2021-07-09 18:00:08,912 INFO L550 ElimStorePlain]: Start of recursive call 245: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:08,970 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:08,970 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 195 treesize of output 54 [2021-07-09 18:00:08,971 INFO L550 ElimStorePlain]: Start of recursive call 246: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:09,034 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:09,034 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 189 treesize of output 54 [2021-07-09 18:00:09,036 INFO L550 ElimStorePlain]: Start of recursive call 247: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:09,096 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:09,096 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 202 treesize of output 57 [2021-07-09 18:00:09,098 INFO L550 ElimStorePlain]: Start of recursive call 248: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:09,158 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:09,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 220 treesize of output 57 [2021-07-09 18:00:09,159 INFO L550 ElimStorePlain]: Start of recursive call 249: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:09,222 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:09,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:09,223 INFO L550 ElimStorePlain]: Start of recursive call 250: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:09,285 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:09,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 180 treesize of output 53 [2021-07-09 18:00:09,286 INFO L550 ElimStorePlain]: Start of recursive call 251: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:09,348 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:09,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 208 treesize of output 57 [2021-07-09 18:00:09,350 INFO L550 ElimStorePlain]: Start of recursive call 252: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:09,416 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:09,416 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 187 treesize of output 54 [2021-07-09 18:00:09,417 INFO L550 ElimStorePlain]: Start of recursive call 253: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:09,481 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:09,482 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 204 treesize of output 57 [2021-07-09 18:00:09,483 INFO L550 ElimStorePlain]: Start of recursive call 254: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:09,545 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:09,545 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 199 treesize of output 56 [2021-07-09 18:00:09,546 INFO L550 ElimStorePlain]: Start of recursive call 255: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:09,609 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:09,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 193 treesize of output 56 [2021-07-09 18:00:09,611 INFO L550 ElimStorePlain]: Start of recursive call 256: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:09,674 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:09,674 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 187 treesize of output 54 [2021-07-09 18:00:09,675 INFO L550 ElimStorePlain]: Start of recursive call 257: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:09,740 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:09,740 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 169 treesize of output 50 [2021-07-09 18:00:09,741 INFO L550 ElimStorePlain]: Start of recursive call 258: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:09,806 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:09,806 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 201 treesize of output 54 [2021-07-09 18:00:09,807 INFO L550 ElimStorePlain]: Start of recursive call 259: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:09,871 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:09,871 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 180 treesize of output 51 [2021-07-09 18:00:09,872 INFO L550 ElimStorePlain]: Start of recursive call 260: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:09,941 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:09,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:09,943 INFO L550 ElimStorePlain]: Start of recursive call 261: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:10,009 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:10,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 200 treesize of output 55 [2021-07-09 18:00:10,011 INFO L550 ElimStorePlain]: Start of recursive call 262: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:10,079 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:10,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 191 treesize of output 54 [2021-07-09 18:00:10,080 INFO L550 ElimStorePlain]: Start of recursive call 263: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:10,153 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:10,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:10,154 INFO L550 ElimStorePlain]: Start of recursive call 264: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:10,223 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:10,224 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 207 treesize of output 58 [2021-07-09 18:00:10,225 INFO L550 ElimStorePlain]: Start of recursive call 265: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:10,297 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:10,297 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 185 treesize of output 52 [2021-07-09 18:00:10,298 INFO L550 ElimStorePlain]: Start of recursive call 266: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:10,366 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:10,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 182 treesize of output 53 [2021-07-09 18:00:10,367 INFO L550 ElimStorePlain]: Start of recursive call 267: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:10,436 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:10,436 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 192 treesize of output 55 [2021-07-09 18:00:10,437 INFO L550 ElimStorePlain]: Start of recursive call 268: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:10,507 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:10,507 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 205 treesize of output 56 [2021-07-09 18:00:10,509 INFO L550 ElimStorePlain]: Start of recursive call 269: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:10,578 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:10,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 170 treesize of output 51 [2021-07-09 18:00:10,580 INFO L550 ElimStorePlain]: Start of recursive call 270: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:10,649 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:10,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:10,651 INFO L550 ElimStorePlain]: Start of recursive call 271: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:10,725 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:10,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 159 treesize of output 48 [2021-07-09 18:00:10,727 INFO L550 ElimStorePlain]: Start of recursive call 272: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:10,815 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:00:10,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:00:10,816 INFO L550 ElimStorePlain]: Start of recursive call 273: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:10,887 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:10,887 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 189 treesize of output 54 [2021-07-09 18:00:10,889 INFO L550 ElimStorePlain]: Start of recursive call 274: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:10,957 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:10,957 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 187 treesize of output 54 [2021-07-09 18:00:10,958 INFO L550 ElimStorePlain]: Start of recursive call 275: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:11,035 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:00:11,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 217 treesize of output 66 [2021-07-09 18:00:11,037 INFO L550 ElimStorePlain]: Start of recursive call 276: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:11,106 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:11,106 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 217 treesize of output 60 [2021-07-09 18:00:11,107 INFO L550 ElimStorePlain]: Start of recursive call 277: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:11,177 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:11,177 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 217 treesize of output 60 [2021-07-09 18:00:11,178 INFO L550 ElimStorePlain]: Start of recursive call 278: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:11,250 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:11,250 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 194 treesize of output 55 [2021-07-09 18:00:11,251 INFO L550 ElimStorePlain]: Start of recursive call 279: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:11,324 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:11,324 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 189 treesize of output 54 [2021-07-09 18:00:11,325 INFO L550 ElimStorePlain]: Start of recursive call 280: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:11,406 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:00:11,407 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 212 treesize of output 65 [2021-07-09 18:00:11,408 INFO L550 ElimStorePlain]: Start of recursive call 281: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:11,476 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:11,476 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 195 treesize of output 54 [2021-07-09 18:00:11,478 INFO L550 ElimStorePlain]: Start of recursive call 282: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:11,547 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:11,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 174 treesize of output 51 [2021-07-09 18:00:11,549 INFO L550 ElimStorePlain]: Start of recursive call 283: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:11,625 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:11,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 217 treesize of output 60 [2021-07-09 18:00:11,626 INFO L550 ElimStorePlain]: Start of recursive call 284: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:11,710 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:00:11,710 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 227 treesize of output 68 [2021-07-09 18:00:11,713 INFO L550 ElimStorePlain]: Start of recursive call 285: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:11,787 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:11,787 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 182 treesize of output 53 [2021-07-09 18:00:11,788 INFO L550 ElimStorePlain]: Start of recursive call 286: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:11,871 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:00:11,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 207 treesize of output 64 [2021-07-09 18:00:11,872 INFO L550 ElimStorePlain]: Start of recursive call 287: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:11,946 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:11,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:11,948 INFO L550 ElimStorePlain]: Start of recursive call 288: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:12,020 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:12,020 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 197 treesize of output 56 [2021-07-09 18:00:12,022 INFO L550 ElimStorePlain]: Start of recursive call 289: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:12,107 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:00:12,108 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 217 treesize of output 66 [2021-07-09 18:00:12,109 INFO L550 ElimStorePlain]: Start of recursive call 290: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:12,182 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:12,182 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 172 treesize of output 51 [2021-07-09 18:00:12,183 INFO L550 ElimStorePlain]: Start of recursive call 291: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:12,258 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:12,259 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 187 treesize of output 54 [2021-07-09 18:00:12,260 INFO L550 ElimStorePlain]: Start of recursive call 292: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:12,332 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:12,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:12,334 INFO L550 ElimStorePlain]: Start of recursive call 293: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:12,406 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:12,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 174 treesize of output 51 [2021-07-09 18:00:12,408 INFO L550 ElimStorePlain]: Start of recursive call 294: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:12,483 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:12,484 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 208 treesize of output 59 [2021-07-09 18:00:12,485 INFO L550 ElimStorePlain]: Start of recursive call 295: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:12,561 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:12,561 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 205 treesize of output 56 [2021-07-09 18:00:12,563 INFO L550 ElimStorePlain]: Start of recursive call 296: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:12,646 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:00:12,646 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 212 treesize of output 65 [2021-07-09 18:00:12,648 INFO L550 ElimStorePlain]: Start of recursive call 297: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:12,722 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:12,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:12,723 INFO L550 ElimStorePlain]: Start of recursive call 298: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:12,797 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:12,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 188 treesize of output 55 [2021-07-09 18:00:12,799 INFO L550 ElimStorePlain]: Start of recursive call 299: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:12,874 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:12,874 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 192 treesize of output 55 [2021-07-09 18:00:12,875 INFO L550 ElimStorePlain]: Start of recursive call 300: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:12,952 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:12,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 184 treesize of output 53 [2021-07-09 18:00:12,954 INFO L550 ElimStorePlain]: Start of recursive call 301: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:13,031 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:13,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:13,033 INFO L550 ElimStorePlain]: Start of recursive call 302: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:13,110 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:13,110 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 187 treesize of output 54 [2021-07-09 18:00:13,111 INFO L550 ElimStorePlain]: Start of recursive call 303: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:13,187 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:13,188 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 186 treesize of output 51 [2021-07-09 18:00:13,190 INFO L550 ElimStorePlain]: Start of recursive call 304: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:13,267 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:13,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 185 treesize of output 52 [2021-07-09 18:00:13,268 INFO L550 ElimStorePlain]: Start of recursive call 305: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:13,346 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:13,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:13,347 INFO L550 ElimStorePlain]: Start of recursive call 306: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:13,425 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:13,426 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 164 treesize of output 49 [2021-07-09 18:00:13,427 INFO L550 ElimStorePlain]: Start of recursive call 307: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:13,506 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:13,506 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 198 treesize of output 57 [2021-07-09 18:00:13,507 INFO L550 ElimStorePlain]: Start of recursive call 308: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:13,585 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:13,586 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 208 treesize of output 57 [2021-07-09 18:00:13,587 INFO L550 ElimStorePlain]: Start of recursive call 309: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:13,664 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:13,664 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 159 treesize of output 48 [2021-07-09 18:00:13,666 INFO L550 ElimStorePlain]: Start of recursive call 310: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:13,747 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:13,748 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 187 treesize of output 54 [2021-07-09 18:00:13,749 INFO L550 ElimStorePlain]: Start of recursive call 311: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:13,829 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:13,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:13,831 INFO L550 ElimStorePlain]: Start of recursive call 312: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:13,911 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:13,911 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 180 treesize of output 53 [2021-07-09 18:00:13,912 INFO L550 ElimStorePlain]: Start of recursive call 313: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:13,991 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:13,992 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 194 treesize of output 55 [2021-07-09 18:00:13,993 INFO L550 ElimStorePlain]: Start of recursive call 314: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:14,072 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:14,072 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 177 treesize of output 52 [2021-07-09 18:00:14,074 INFO L550 ElimStorePlain]: Start of recursive call 315: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:14,154 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:14,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 164 treesize of output 49 [2021-07-09 18:00:14,156 INFO L550 ElimStorePlain]: Start of recursive call 316: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:14,238 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:14,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 215 treesize of output 58 [2021-07-09 18:00:14,240 INFO L550 ElimStorePlain]: Start of recursive call 317: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:14,321 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:14,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:14,322 INFO L550 ElimStorePlain]: Start of recursive call 318: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:14,403 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:14,403 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 211 treesize of output 58 [2021-07-09 18:00:14,404 INFO L550 ElimStorePlain]: Start of recursive call 319: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:14,484 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:14,484 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 217 treesize of output 60 [2021-07-09 18:00:14,485 INFO L550 ElimStorePlain]: Start of recursive call 320: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:14,567 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:14,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 196 treesize of output 53 [2021-07-09 18:00:14,569 INFO L550 ElimStorePlain]: Start of recursive call 321: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:14,647 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:14,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:14,649 INFO L550 ElimStorePlain]: Start of recursive call 322: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:14,728 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:14,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:14,729 INFO L550 ElimStorePlain]: Start of recursive call 323: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:14,808 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:14,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:14,810 INFO L550 ElimStorePlain]: Start of recursive call 324: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:14,888 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:14,889 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 194 treesize of output 55 [2021-07-09 18:00:14,891 INFO L550 ElimStorePlain]: Start of recursive call 325: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:14,980 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:00:14,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:00:14,982 INFO L550 ElimStorePlain]: Start of recursive call 326: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:15,062 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:15,062 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 174 treesize of output 51 [2021-07-09 18:00:15,064 INFO L550 ElimStorePlain]: Start of recursive call 327: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:15,145 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:15,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:15,146 INFO L550 ElimStorePlain]: Start of recursive call 328: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:15,227 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:15,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:15,229 INFO L550 ElimStorePlain]: Start of recursive call 329: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:15,319 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:00:15,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 217 treesize of output 66 [2021-07-09 18:00:15,321 INFO L550 ElimStorePlain]: Start of recursive call 330: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:15,403 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:15,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:15,405 INFO L550 ElimStorePlain]: Start of recursive call 331: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:15,485 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:15,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:15,486 INFO L550 ElimStorePlain]: Start of recursive call 332: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:15,567 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:15,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 172 treesize of output 51 [2021-07-09 18:00:15,568 INFO L550 ElimStorePlain]: Start of recursive call 333: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:15,650 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:15,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:15,651 INFO L550 ElimStorePlain]: Start of recursive call 334: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:15,731 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:15,731 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 203 treesize of output 58 [2021-07-09 18:00:15,732 INFO L550 ElimStorePlain]: Start of recursive call 335: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:15,819 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:00:15,819 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 217 treesize of output 66 [2021-07-09 18:00:15,820 INFO L550 ElimStorePlain]: Start of recursive call 336: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:15,899 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:15,899 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 192 treesize of output 55 [2021-07-09 18:00:15,901 INFO L550 ElimStorePlain]: Start of recursive call 337: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:15,990 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:00:15,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:00:15,992 INFO L550 ElimStorePlain]: Start of recursive call 338: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:16,071 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:16,072 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 203 treesize of output 56 [2021-07-09 18:00:16,073 INFO L550 ElimStorePlain]: Start of recursive call 339: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:16,152 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:16,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:16,154 INFO L550 ElimStorePlain]: Start of recursive call 340: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:16,233 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:16,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 206 treesize of output 57 [2021-07-09 18:00:16,234 INFO L550 ElimStorePlain]: Start of recursive call 341: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:16,314 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:16,314 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 194 treesize of output 55 [2021-07-09 18:00:16,315 INFO L550 ElimStorePlain]: Start of recursive call 342: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:16,395 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:16,395 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 213 treesize of output 58 [2021-07-09 18:00:16,397 INFO L550 ElimStorePlain]: Start of recursive call 343: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:16,477 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:16,477 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 199 treesize of output 56 [2021-07-09 18:00:16,479 INFO L550 ElimStorePlain]: Start of recursive call 344: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:16,563 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:16,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 220 treesize of output 57 [2021-07-09 18:00:16,565 INFO L550 ElimStorePlain]: Start of recursive call 345: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:16,647 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:16,647 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 187 treesize of output 54 [2021-07-09 18:00:16,649 INFO L550 ElimStorePlain]: Start of recursive call 346: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:16,734 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:16,734 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 205 treesize of output 54 [2021-07-09 18:00:16,735 INFO L550 ElimStorePlain]: Start of recursive call 347: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:16,817 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:16,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 199 treesize of output 56 [2021-07-09 18:00:16,819 INFO L550 ElimStorePlain]: Start of recursive call 348: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:16,901 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:16,902 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 185 treesize of output 52 [2021-07-09 18:00:16,903 INFO L550 ElimStorePlain]: Start of recursive call 349: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:16,985 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:16,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 217 treesize of output 60 [2021-07-09 18:00:16,987 INFO L550 ElimStorePlain]: Start of recursive call 350: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:17,067 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:17,067 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 185 treesize of output 54 [2021-07-09 18:00:17,068 INFO L550 ElimStorePlain]: Start of recursive call 351: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:17,148 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:17,148 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 200 treesize of output 53 [2021-07-09 18:00:17,149 INFO L550 ElimStorePlain]: Start of recursive call 352: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:17,232 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:17,232 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 184 treesize of output 53 [2021-07-09 18:00:17,233 INFO L550 ElimStorePlain]: Start of recursive call 353: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:17,314 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:17,314 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 197 treesize of output 56 [2021-07-09 18:00:17,316 INFO L550 ElimStorePlain]: Start of recursive call 354: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:17,396 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:17,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 189 treesize of output 54 [2021-07-09 18:00:17,397 INFO L550 ElimStorePlain]: Start of recursive call 355: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:17,477 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:17,477 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 212 treesize of output 59 [2021-07-09 18:00:17,479 INFO L550 ElimStorePlain]: Start of recursive call 356: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:17,559 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:17,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:17,560 INFO L550 ElimStorePlain]: Start of recursive call 357: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:17,655 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:00:17,655 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 197 treesize of output 62 [2021-07-09 18:00:17,657 INFO L550 ElimStorePlain]: Start of recursive call 358: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:17,741 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:17,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:17,743 INFO L550 ElimStorePlain]: Start of recursive call 359: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:17,825 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:17,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 201 treesize of output 54 [2021-07-09 18:00:17,827 INFO L550 ElimStorePlain]: Start of recursive call 360: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:17,910 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:17,911 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 220 treesize of output 59 [2021-07-09 18:00:17,912 INFO L550 ElimStorePlain]: Start of recursive call 361: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:17,996 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:17,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:17,998 INFO L550 ElimStorePlain]: Start of recursive call 362: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:18,083 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:18,083 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 194 treesize of output 55 [2021-07-09 18:00:18,084 INFO L550 ElimStorePlain]: Start of recursive call 363: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:18,168 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:18,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 184 treesize of output 53 [2021-07-09 18:00:18,170 INFO L550 ElimStorePlain]: Start of recursive call 364: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:18,253 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:18,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 187 treesize of output 54 [2021-07-09 18:00:18,255 INFO L550 ElimStorePlain]: Start of recursive call 365: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:18,338 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:18,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 213 treesize of output 60 [2021-07-09 18:00:18,340 INFO L550 ElimStorePlain]: Start of recursive call 366: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:18,424 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:18,425 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 225 treesize of output 60 [2021-07-09 18:00:18,426 INFO L550 ElimStorePlain]: Start of recursive call 367: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:18,510 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:18,510 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 187 treesize of output 54 [2021-07-09 18:00:18,512 INFO L550 ElimStorePlain]: Start of recursive call 368: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:18,595 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:18,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 187 treesize of output 54 [2021-07-09 18:00:18,597 INFO L550 ElimStorePlain]: Start of recursive call 369: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:18,734 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:18,734 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 60 [2021-07-09 18:00:18,736 INFO L550 ElimStorePlain]: Start of recursive call 370: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:18,766 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:18,767 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 194 treesize of output 55 [2021-07-09 18:00:18,768 INFO L550 ElimStorePlain]: Start of recursive call 371: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:18,798 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:18,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:18,799 INFO L550 ElimStorePlain]: Start of recursive call 372: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:18,830 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:18,830 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 [2021-07-09 18:00:18,831 INFO L550 ElimStorePlain]: Start of recursive call 373: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:18,862 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:18,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 211 treesize of output 58 [2021-07-09 18:00:18,863 INFO L550 ElimStorePlain]: Start of recursive call 374: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:18,893 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:18,893 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 203 treesize of output 56 [2021-07-09 18:00:18,894 INFO L550 ElimStorePlain]: Start of recursive call 375: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:18,925 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:18,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 196 treesize of output 53 [2021-07-09 18:00:18,926 INFO L550 ElimStorePlain]: Start of recursive call 376: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:18,956 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:18,957 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 167 treesize of output 50 [2021-07-09 18:00:18,958 INFO L550 ElimStorePlain]: Start of recursive call 377: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:18,989 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:18,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 212 treesize of output 59 [2021-07-09 18:00:18,991 INFO L550 ElimStorePlain]: Start of recursive call 378: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:19,023 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:19,024 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 187 treesize of output 54 [2021-07-09 18:00:19,025 INFO L550 ElimStorePlain]: Start of recursive call 379: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:19,066 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:00:19,066 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 202 treesize of output 63 [2021-07-09 18:00:19,068 INFO L550 ElimStorePlain]: Start of recursive call 380: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:19,100 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:19,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:19,102 INFO L550 ElimStorePlain]: Start of recursive call 381: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:19,135 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:19,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:19,137 INFO L550 ElimStorePlain]: Start of recursive call 382: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:19,170 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:19,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 184 treesize of output 53 [2021-07-09 18:00:19,172 INFO L550 ElimStorePlain]: Start of recursive call 383: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:19,207 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:19,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:19,209 INFO L550 ElimStorePlain]: Start of recursive call 384: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:19,251 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:00:19,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 222 treesize of output 67 [2021-07-09 18:00:19,253 INFO L550 ElimStorePlain]: Start of recursive call 385: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:19,288 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:19,288 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 189 treesize of output 54 [2021-07-09 18:00:19,290 INFO L550 ElimStorePlain]: Start of recursive call 386: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:19,324 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:19,324 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 200 treesize of output 55 [2021-07-09 18:00:19,325 INFO L550 ElimStorePlain]: Start of recursive call 387: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:19,357 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:19,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 204 treesize of output 55 [2021-07-09 18:00:19,358 INFO L550 ElimStorePlain]: Start of recursive call 388: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:19,390 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:19,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 203 treesize of output 58 [2021-07-09 18:00:19,391 INFO L550 ElimStorePlain]: Start of recursive call 389: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:19,422 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:19,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:19,424 INFO L550 ElimStorePlain]: Start of recursive call 390: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:19,455 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:19,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 192 treesize of output 55 [2021-07-09 18:00:19,457 INFO L550 ElimStorePlain]: Start of recursive call 391: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:19,489 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:19,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:19,490 INFO L550 ElimStorePlain]: Start of recursive call 392: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:19,525 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:19,525 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 213 treesize of output 60 [2021-07-09 18:00:19,527 INFO L550 ElimStorePlain]: Start of recursive call 393: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:19,566 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:19,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:19,567 INFO L550 ElimStorePlain]: Start of recursive call 394: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:19,602 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:19,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 213 treesize of output 60 [2021-07-09 18:00:19,603 INFO L550 ElimStorePlain]: Start of recursive call 395: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:19,637 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:19,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 196 treesize of output 53 [2021-07-09 18:00:19,639 INFO L550 ElimStorePlain]: Start of recursive call 396: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:19,673 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:19,673 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 204 treesize of output 55 [2021-07-09 18:00:19,674 INFO L550 ElimStorePlain]: Start of recursive call 397: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:19,708 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:19,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 197 treesize of output 56 [2021-07-09 18:00:19,709 INFO L550 ElimStorePlain]: Start of recursive call 398: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:19,753 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:00:19,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 207 treesize of output 64 [2021-07-09 18:00:19,756 INFO L550 ElimStorePlain]: Start of recursive call 399: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:19,799 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:00:19,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 227 treesize of output 68 [2021-07-09 18:00:19,801 INFO L550 ElimStorePlain]: Start of recursive call 400: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:19,837 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:19,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 215 treesize of output 58 [2021-07-09 18:00:19,838 INFO L550 ElimStorePlain]: Start of recursive call 401: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:19,874 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:19,875 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 199 treesize of output 56 [2021-07-09 18:00:19,876 INFO L550 ElimStorePlain]: Start of recursive call 402: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:19,913 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:19,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 184 treesize of output 53 [2021-07-09 18:00:19,914 INFO L550 ElimStorePlain]: Start of recursive call 403: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:19,950 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:19,950 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 197 treesize of output 56 [2021-07-09 18:00:19,951 INFO L550 ElimStorePlain]: Start of recursive call 404: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:19,986 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:19,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 223 treesize of output 60 [2021-07-09 18:00:19,988 INFO L550 ElimStorePlain]: Start of recursive call 405: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:20,023 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:20,024 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 208 treesize of output 59 [2021-07-09 18:00:20,025 INFO L550 ElimStorePlain]: Start of recursive call 406: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:20,061 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:20,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 186 treesize of output 51 [2021-07-09 18:00:20,062 INFO L550 ElimStorePlain]: Start of recursive call 407: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:20,097 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:20,098 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 198 treesize of output 57 [2021-07-09 18:00:20,099 INFO L550 ElimStorePlain]: Start of recursive call 408: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:20,134 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:20,134 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 184 treesize of output 53 [2021-07-09 18:00:20,135 INFO L550 ElimStorePlain]: Start of recursive call 409: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:20,171 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:20,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 203 treesize of output 56 [2021-07-09 18:00:20,172 INFO L550 ElimStorePlain]: Start of recursive call 410: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:20,209 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:20,209 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 197 treesize of output 56 [2021-07-09 18:00:20,211 INFO L550 ElimStorePlain]: Start of recursive call 411: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:20,258 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:00:20,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:00:20,260 INFO L550 ElimStorePlain]: Start of recursive call 412: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:20,296 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:20,297 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 221 treesize of output 60 [2021-07-09 18:00:20,298 INFO L550 ElimStorePlain]: Start of recursive call 413: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:20,335 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:20,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 227 treesize of output 62 [2021-07-09 18:00:20,337 INFO L550 ElimStorePlain]: Start of recursive call 414: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:20,373 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:20,373 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 192 treesize of output 55 [2021-07-09 18:00:20,374 INFO L550 ElimStorePlain]: Start of recursive call 415: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:20,411 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:20,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 192 treesize of output 55 [2021-07-09 18:00:20,413 INFO L550 ElimStorePlain]: Start of recursive call 416: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:20,451 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:20,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 159 treesize of output 48 [2021-07-09 18:00:20,453 INFO L550 ElimStorePlain]: Start of recursive call 417: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:20,493 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:20,493 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 210 treesize of output 57 [2021-07-09 18:00:20,495 INFO L550 ElimStorePlain]: Start of recursive call 418: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:20,544 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:00:20,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 212 treesize of output 65 [2021-07-09 18:00:20,545 INFO L550 ElimStorePlain]: Start of recursive call 419: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:20,592 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:00:20,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 212 treesize of output 65 [2021-07-09 18:00:20,595 INFO L550 ElimStorePlain]: Start of recursive call 420: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:20,631 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:20,631 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 237 treesize of output 64 [2021-07-09 18:00:20,633 INFO L550 ElimStorePlain]: Start of recursive call 421: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:20,669 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:20,669 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 182 treesize of output 53 [2021-07-09 18:00:20,670 INFO L550 ElimStorePlain]: Start of recursive call 422: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:20,708 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:20,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 190 treesize of output 53 [2021-07-09 18:00:20,710 INFO L550 ElimStorePlain]: Start of recursive call 423: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:20,756 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:20,756 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 197 treesize of output 56 [2021-07-09 18:00:20,758 INFO L550 ElimStorePlain]: Start of recursive call 424: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:20,800 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:20,801 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 193 treesize of output 56 [2021-07-09 18:00:20,802 INFO L550 ElimStorePlain]: Start of recursive call 425: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:20,849 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:00:20,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:00:20,850 INFO L550 ElimStorePlain]: Start of recursive call 426: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:20,887 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:20,887 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 190 treesize of output 53 [2021-07-09 18:00:20,889 INFO L550 ElimStorePlain]: Start of recursive call 427: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:20,928 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:20,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 199 treesize of output 56 [2021-07-09 18:00:20,930 INFO L550 ElimStorePlain]: Start of recursive call 428: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:20,977 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:00:20,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 202 treesize of output 63 [2021-07-09 18:00:20,979 INFO L550 ElimStorePlain]: Start of recursive call 429: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:21,017 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:21,017 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 202 treesize of output 57 [2021-07-09 18:00:21,019 INFO L550 ElimStorePlain]: Start of recursive call 430: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:21,057 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:21,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 210 treesize of output 55 [2021-07-09 18:00:21,058 INFO L550 ElimStorePlain]: Start of recursive call 431: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:21,096 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:21,096 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 198 treesize of output 57 [2021-07-09 18:00:21,097 INFO L550 ElimStorePlain]: Start of recursive call 432: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:21,134 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:21,134 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 58 [2021-07-09 18:00:21,135 INFO L550 ElimStorePlain]: Start of recursive call 433: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:21,172 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:21,172 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 227 treesize of output 62 [2021-07-09 18:00:21,174 INFO L550 ElimStorePlain]: Start of recursive call 434: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:21,212 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:21,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:21,213 INFO L550 ElimStorePlain]: Start of recursive call 435: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:21,251 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:21,251 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 230 treesize of output 61 [2021-07-09 18:00:21,259 INFO L550 ElimStorePlain]: Start of recursive call 436: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:21,309 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:00:21,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 207 treesize of output 64 [2021-07-09 18:00:21,311 INFO L550 ElimStorePlain]: Start of recursive call 437: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:21,349 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:21,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 185 treesize of output 54 [2021-07-09 18:00:21,350 INFO L550 ElimStorePlain]: Start of recursive call 438: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:21,388 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:21,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 209 treesize of output 56 [2021-07-09 18:00:21,389 INFO L550 ElimStorePlain]: Start of recursive call 439: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:21,428 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:21,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 210 treesize of output 57 [2021-07-09 18:00:21,429 INFO L550 ElimStorePlain]: Start of recursive call 440: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:21,477 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:00:21,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:00:21,479 INFO L550 ElimStorePlain]: Start of recursive call 441: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:21,518 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:21,518 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 187 treesize of output 54 [2021-07-09 18:00:21,520 INFO L550 ElimStorePlain]: Start of recursive call 442: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:21,558 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:21,558 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 215 treesize of output 58 [2021-07-09 18:00:21,560 INFO L550 ElimStorePlain]: Start of recursive call 443: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:21,597 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:21,597 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 208 treesize of output 59 [2021-07-09 18:00:21,599 INFO L550 ElimStorePlain]: Start of recursive call 444: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:21,646 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:00:21,646 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 227 treesize of output 68 [2021-07-09 18:00:21,648 INFO L550 ElimStorePlain]: Start of recursive call 445: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:21,685 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:21,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 189 treesize of output 54 [2021-07-09 18:00:21,687 INFO L550 ElimStorePlain]: Start of recursive call 446: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:21,725 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:21,725 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 222 treesize of output 61 [2021-07-09 18:00:21,727 INFO L550 ElimStorePlain]: Start of recursive call 447: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:21,773 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:00:21,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 217 treesize of output 66 [2021-07-09 18:00:21,775 INFO L550 ElimStorePlain]: Start of recursive call 448: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:21,811 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:21,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 182 treesize of output 53 [2021-07-09 18:00:21,813 INFO L550 ElimStorePlain]: Start of recursive call 449: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:21,850 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:21,851 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 225 treesize of output 60 [2021-07-09 18:00:21,852 INFO L550 ElimStorePlain]: Start of recursive call 450: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:21,890 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:21,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:21,892 INFO L550 ElimStorePlain]: Start of recursive call 451: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:21,930 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:21,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 202 treesize of output 57 [2021-07-09 18:00:21,932 INFO L550 ElimStorePlain]: Start of recursive call 452: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:21,970 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:21,970 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 164 treesize of output 49 [2021-07-09 18:00:21,971 INFO L550 ElimStorePlain]: Start of recursive call 453: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:22,007 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:22,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 194 treesize of output 55 [2021-07-09 18:00:22,009 INFO L550 ElimStorePlain]: Start of recursive call 454: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:22,043 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:22,044 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 202 treesize of output 57 [2021-07-09 18:00:22,045 INFO L550 ElimStorePlain]: Start of recursive call 455: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:22,078 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:22,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 211 treesize of output 56 [2021-07-09 18:00:22,080 INFO L550 ElimStorePlain]: Start of recursive call 456: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:22,114 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:22,114 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 203 treesize of output 58 [2021-07-09 18:00:22,116 INFO L550 ElimStorePlain]: Start of recursive call 457: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:22,151 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:22,151 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 184 treesize of output 53 [2021-07-09 18:00:22,153 INFO L550 ElimStorePlain]: Start of recursive call 458: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:22,189 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:22,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 211 treesize of output 58 [2021-07-09 18:00:22,190 INFO L550 ElimStorePlain]: Start of recursive call 459: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:22,226 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:22,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 206 treesize of output 57 [2021-07-09 18:00:22,227 INFO L550 ElimStorePlain]: Start of recursive call 460: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:22,274 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:00:22,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:00:22,276 INFO L550 ElimStorePlain]: Start of recursive call 461: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:22,325 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:00:22,325 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 217 treesize of output 66 [2021-07-09 18:00:22,327 INFO L550 ElimStorePlain]: Start of recursive call 462: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:22,367 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:22,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:22,369 INFO L550 ElimStorePlain]: Start of recursive call 463: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:22,410 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:22,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:22,412 INFO L550 ElimStorePlain]: Start of recursive call 464: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:22,453 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:22,453 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 202 treesize of output 57 [2021-07-09 18:00:22,454 INFO L550 ElimStorePlain]: Start of recursive call 465: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:22,500 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:22,500 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 183 treesize of output 52 [2021-07-09 18:00:22,501 INFO L550 ElimStorePlain]: Start of recursive call 466: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:22,542 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:22,542 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 179 treesize of output 52 [2021-07-09 18:00:22,543 INFO L550 ElimStorePlain]: Start of recursive call 467: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:22,578 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:22,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 187 treesize of output 54 [2021-07-09 18:00:22,580 INFO L550 ElimStorePlain]: Start of recursive call 468: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:22,615 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:22,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 239 treesize of output 62 [2021-07-09 18:00:22,617 INFO L550 ElimStorePlain]: Start of recursive call 469: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:22,652 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:22,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:22,653 INFO L550 ElimStorePlain]: Start of recursive call 470: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:22,688 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:22,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:22,689 INFO L550 ElimStorePlain]: Start of recursive call 471: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:22,723 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:22,723 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 164 treesize of output 49 [2021-07-09 18:00:22,724 INFO L550 ElimStorePlain]: Start of recursive call 472: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:22,769 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:00:22,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 207 treesize of output 64 [2021-07-09 18:00:22,770 INFO L550 ElimStorePlain]: Start of recursive call 473: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:22,814 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:00:22,814 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 232 treesize of output 69 [2021-07-09 18:00:22,816 INFO L550 ElimStorePlain]: Start of recursive call 474: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:22,860 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:00:22,860 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 217 treesize of output 66 [2021-07-09 18:00:22,861 INFO L550 ElimStorePlain]: Start of recursive call 475: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:22,898 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:22,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 209 treesize of output 58 [2021-07-09 18:00:22,900 INFO L550 ElimStorePlain]: Start of recursive call 476: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:22,936 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:22,936 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 198 treesize of output 57 [2021-07-09 18:00:22,937 INFO L550 ElimStorePlain]: Start of recursive call 477: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:22,972 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:22,973 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 196 treesize of output 53 [2021-07-09 18:00:22,974 INFO L550 ElimStorePlain]: Start of recursive call 478: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:23,013 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:23,014 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 212 treesize of output 59 [2021-07-09 18:00:23,015 INFO L550 ElimStorePlain]: Start of recursive call 479: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:23,049 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:23,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:23,051 INFO L550 ElimStorePlain]: Start of recursive call 480: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:23,086 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:23,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 202 treesize of output 57 [2021-07-09 18:00:23,087 INFO L550 ElimStorePlain]: Start of recursive call 481: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:23,130 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:23,131 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 192 treesize of output 55 [2021-07-09 18:00:23,132 INFO L550 ElimStorePlain]: Start of recursive call 482: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:23,168 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:23,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 210 treesize of output 57 [2021-07-09 18:00:23,169 INFO L550 ElimStorePlain]: Start of recursive call 483: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:23,206 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:23,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 202 treesize of output 57 [2021-07-09 18:00:23,208 INFO L550 ElimStorePlain]: Start of recursive call 484: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:23,250 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:00:23,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:00:23,252 INFO L550 ElimStorePlain]: Start of recursive call 485: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:23,285 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:23,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 201 treesize of output 56 [2021-07-09 18:00:23,286 INFO L550 ElimStorePlain]: Start of recursive call 486: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:23,328 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:00:23,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:00:23,330 INFO L550 ElimStorePlain]: Start of recursive call 487: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:23,364 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:23,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 215 treesize of output 58 [2021-07-09 18:00:23,365 INFO L550 ElimStorePlain]: Start of recursive call 488: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:23,410 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:00:23,410 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 227 treesize of output 68 [2021-07-09 18:00:23,412 INFO L550 ElimStorePlain]: Start of recursive call 489: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:23,446 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:23,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:23,447 INFO L550 ElimStorePlain]: Start of recursive call 490: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:23,481 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:23,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:23,483 INFO L550 ElimStorePlain]: Start of recursive call 491: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:23,518 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:23,518 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 208 treesize of output 57 [2021-07-09 18:00:23,519 INFO L550 ElimStorePlain]: Start of recursive call 492: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:23,554 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:23,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:23,555 INFO L550 ElimStorePlain]: Start of recursive call 493: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:23,585 INFO L354 Elim1Store]: treesize reduction 80, result has 1.2 percent of original size [2021-07-09 18:00:23,585 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 [2021-07-09 18:00:23,586 INFO L550 ElimStorePlain]: Start of recursive call 494: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:23,623 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:23,624 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 199 treesize of output 56 [2021-07-09 18:00:23,625 INFO L550 ElimStorePlain]: Start of recursive call 495: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:23,662 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:23,663 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 202 treesize of output 57 [2021-07-09 18:00:23,664 INFO L550 ElimStorePlain]: Start of recursive call 496: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:23,716 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:23,717 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 201 treesize of output 54 [2021-07-09 18:00:23,718 INFO L550 ElimStorePlain]: Start of recursive call 497: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:23,749 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:23,750 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 188 treesize of output 53 [2021-07-09 18:00:23,751 INFO L550 ElimStorePlain]: Start of recursive call 498: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:23,782 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:23,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 216 treesize of output 59 [2021-07-09 18:00:23,783 INFO L550 ElimStorePlain]: Start of recursive call 499: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:23,812 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:23,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:23,813 INFO L550 ElimStorePlain]: Start of recursive call 500: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:23,842 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:23,842 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 211 treesize of output 58 [2021-07-09 18:00:23,843 INFO L550 ElimStorePlain]: Start of recursive call 501: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:23,871 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:23,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 208 treesize of output 59 [2021-07-09 18:00:23,873 INFO L550 ElimStorePlain]: Start of recursive call 502: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:23,910 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:00:23,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 212 treesize of output 65 [2021-07-09 18:00:23,911 INFO L550 ElimStorePlain]: Start of recursive call 503: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:23,941 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:23,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:23,943 INFO L550 ElimStorePlain]: Start of recursive call 504: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:23,972 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:23,973 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 199 treesize of output 56 [2021-07-09 18:00:23,974 INFO L550 ElimStorePlain]: Start of recursive call 505: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:24,008 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:24,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 190 treesize of output 55 [2021-07-09 18:00:24,010 INFO L550 ElimStorePlain]: Start of recursive call 506: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:24,041 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:24,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 182 treesize of output 53 [2021-07-09 18:00:24,043 INFO L550 ElimStorePlain]: Start of recursive call 507: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:24,074 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:24,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:24,075 INFO L550 ElimStorePlain]: Start of recursive call 508: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:24,104 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:24,104 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 201 treesize of output 56 [2021-07-09 18:00:24,106 INFO L550 ElimStorePlain]: Start of recursive call 509: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:24,134 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:24,134 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 177 treesize of output 52 [2021-07-09 18:00:24,135 INFO L550 ElimStorePlain]: Start of recursive call 510: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:24,162 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:24,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:24,164 INFO L550 ElimStorePlain]: Start of recursive call 511: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:24,191 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:24,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 189 treesize of output 54 [2021-07-09 18:00:24,192 INFO L550 ElimStorePlain]: Start of recursive call 512: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:24,228 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:00:24,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 217 treesize of output 66 [2021-07-09 18:00:24,230 INFO L550 ElimStorePlain]: Start of recursive call 513: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:24,267 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:00:24,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:00:24,269 INFO L550 ElimStorePlain]: Start of recursive call 514: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:24,305 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:00:24,305 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 217 treesize of output 66 [2021-07-09 18:00:24,306 INFO L550 ElimStorePlain]: Start of recursive call 515: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:24,333 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:24,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:24,334 INFO L550 ElimStorePlain]: Start of recursive call 516: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:24,360 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:24,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 189 treesize of output 54 [2021-07-09 18:00:24,362 INFO L550 ElimStorePlain]: Start of recursive call 517: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:24,387 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:24,387 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 195 treesize of output 54 [2021-07-09 18:00:24,388 INFO L550 ElimStorePlain]: Start of recursive call 518: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:24,414 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:24,415 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 222 treesize of output 61 [2021-07-09 18:00:24,416 INFO L550 ElimStorePlain]: Start of recursive call 519: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:24,442 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:24,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:24,444 INFO L550 ElimStorePlain]: Start of recursive call 520: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:24,471 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:24,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:24,472 INFO L550 ElimStorePlain]: Start of recursive call 521: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:24,499 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:24,499 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 234 treesize of output 61 [2021-07-09 18:00:24,501 INFO L550 ElimStorePlain]: Start of recursive call 522: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:24,526 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:24,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:24,528 INFO L550 ElimStorePlain]: Start of recursive call 523: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:24,553 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:24,553 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 191 treesize of output 52 [2021-07-09 18:00:24,554 INFO L550 ElimStorePlain]: Start of recursive call 524: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:24,579 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:24,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 187 treesize of output 54 [2021-07-09 18:00:24,580 INFO L550 ElimStorePlain]: Start of recursive call 525: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:24,606 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:00:24,606 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 217 treesize of output 66 [2021-07-09 18:00:24,608 INFO L550 ElimStorePlain]: Start of recursive call 526: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:24,630 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:24,631 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 229 treesize of output 60 [2021-07-09 18:00:24,632 INFO L550 ElimStorePlain]: Start of recursive call 527: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:24,653 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:24,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:00:24,654 INFO L550 ElimStorePlain]: Start of recursive call 528: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:24,658 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:00:24,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 197 treesize of output 56 [2021-07-09 18:00:24,659 INFO L550 ElimStorePlain]: Start of recursive call 529: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:24,660 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:00:24,660 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:00:24,660 INFO L247 ElimStorePlain]: Needed 529 recursive calls to eliminate 2 variables, input treesize:105977, output treesize:3 [2021-07-09 18:00:24,668 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 97 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 18:00:24,668 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1383876434] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:00:24,668 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:00:24,668 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 16] total 23 [2021-07-09 18:00:24,669 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641342644] [2021-07-09 18:00:24,669 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-09 18:00:24,669 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:00:24,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-09 18:00:24,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2021-07-09 18:00:24,669 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) [2021-07-09 18:00:25,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:00:25,152 INFO L93 Difference]: Finished difference Result 52344 states and 132850 transitions. [2021-07-09 18:00:25,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 18:00:25,153 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 [2021-07-09 18:00:25,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:00:25,273 INFO L225 Difference]: With dead ends: 52344 [2021-07-09 18:00:25,273 INFO L226 Difference]: Without dead ends: 52328 [2021-07-09 18:00:25,273 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 351.6ms TimeCoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2021-07-09 18:00:25,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52328 states. [2021-07-09 18:00:26,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52328 to 51480. [2021-07-09 18:00:26,229 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) [2021-07-09 18:00:26,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51480 states to 51480 states and 131161 transitions. [2021-07-09 18:00:26,350 INFO L78 Accepts]: Start accepts. Automaton has 51480 states and 131161 transitions. Word has length 42 [2021-07-09 18:00:26,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:00:26,350 INFO L482 AbstractCegarLoop]: Abstraction has 51480 states and 131161 transitions. [2021-07-09 18:00:26,351 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) [2021-07-09 18:00:26,351 INFO L276 IsEmpty]: Start isEmpty. Operand 51480 states and 131161 transitions. [2021-07-09 18:00:26,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-07-09 18:00:26,387 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:00:26,387 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 18:00:26,587 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 138 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3459 [2021-07-09 18:00:26,587 INFO L430 AbstractCegarLoop]: === Iteration 143 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:00:26,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:00:26,592 INFO L82 PathProgramCache]: Analyzing trace with hash 848508788, now seen corresponding path program 138 times [2021-07-09 18:00:26,592 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:00:26,592 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479105852] [2021-07-09 18:00:26,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:00:26,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:00:26,655 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-09 18:00:26,656 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:00:26,656 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479105852] [2021-07-09 18:00:26,656 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479105852] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:00:26,656 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [19906835] [2021-07-09 18:00:26,656 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-07-09 18:00:26,689 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2021-07-09 18:00:26,689 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 18:00:26,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 55 conjunts are in the unsatisfiable core [2021-07-09 18:00:26,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:00:27,034 INFO L446 ElimStorePlain]: Different costs {28=[f], 66=[f_inv]} [2021-07-09 18:00:27,139 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 66 [2021-07-09 18:00:27,140 INFO L354 Elim1Store]: treesize reduction 125, result has 44.4 percent of original size [2021-07-09 18:00:27,140 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 [2021-07-09 18:00:34,963 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:00:35,011 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:00:35,082 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:00:35,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 485 treesize of output 289 [2021-07-09 18:00:35,258 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:35,259 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:00:35,259 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:00:35,259 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:264, output treesize:3 [2021-07-09 18:00:35,267 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 97 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 18:00:35,267 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [19906835] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:00:35,267 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:00:35,267 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 16] total 23 [2021-07-09 18:00:35,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953059019] [2021-07-09 18:00:35,267 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-09 18:00:35,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:00:35,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-09 18:00:35,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2021-07-09 18:00:35,268 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) [2021-07-09 18:00:35,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:00:35,717 INFO L93 Difference]: Finished difference Result 53250 states and 135691 transitions. [2021-07-09 18:00:35,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 18:00:35,718 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 [2021-07-09 18:00:35,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:00:35,860 INFO L225 Difference]: With dead ends: 53250 [2021-07-09 18:00:35,860 INFO L226 Difference]: Without dead ends: 53232 [2021-07-09 18:00:35,861 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 330.0ms TimeCoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2021-07-09 18:00:35,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53232 states. [2021-07-09 18:00:36,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53232 to 52433. [2021-07-09 18:00:36,788 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) [2021-07-09 18:00:36,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52433 states to 52433 states and 133831 transitions. [2021-07-09 18:00:36,918 INFO L78 Accepts]: Start accepts. Automaton has 52433 states and 133831 transitions. Word has length 42 [2021-07-09 18:00:36,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:00:36,918 INFO L482 AbstractCegarLoop]: Abstraction has 52433 states and 133831 transitions. [2021-07-09 18:00:36,919 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) [2021-07-09 18:00:36,919 INFO L276 IsEmpty]: Start isEmpty. Operand 52433 states and 133831 transitions. [2021-07-09 18:00:36,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-07-09 18:00:36,956 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:00:36,956 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 18:00:37,156 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3933,139 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 18:00:37,157 INFO L430 AbstractCegarLoop]: === Iteration 144 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:00:37,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:00:37,158 INFO L82 PathProgramCache]: Analyzing trace with hash -1524801932, now seen corresponding path program 139 times [2021-07-09 18:00:37,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:00:37,158 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630716388] [2021-07-09 18:00:37,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:00:37,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:00:37,203 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-09 18:00:37,204 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:00:37,204 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630716388] [2021-07-09 18:00:37,204 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630716388] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:00:37,204 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [31030737] [2021-07-09 18:00:37,204 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 [2021-07-09 18:00:37,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:00:37,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 45 conjunts are in the unsatisfiable core [2021-07-09 18:00:37,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:00:37,611 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 74 [2021-07-09 18:00:37,611 INFO L354 Elim1Store]: treesize reduction 365, result has 32.5 percent of original size [2021-07-09 18:00:37,611 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 [2021-07-09 18:00:37,615 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:37,663 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:00:37,664 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:00:37,664 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:207, output treesize:294 [2021-07-09 18:00:37,763 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2021-07-09 18:00:38,611 WARN L205 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 47 [2021-07-09 18:00:38,696 INFO L446 ElimStorePlain]: Different costs {6=[v_prenex_142], 10=[f], 15=[v_prenex_143], 21=[v_prenex_141]} [2021-07-09 18:00:38,717 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:00:38,717 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 [2021-07-09 18:00:38,719 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:38,725 INFO L628 ElimStorePlain]: treesize reduction 216, result has 1.4 percent of original size [2021-07-09 18:00:38,725 INFO L518 ElimStorePlain]: Eliminatee f vanished before elimination [2021-07-09 18:00:38,725 INFO L518 ElimStorePlain]: Eliminatee v_prenex_143 vanished before elimination [2021-07-09 18:00:38,725 INFO L518 ElimStorePlain]: Eliminatee v_prenex_141 vanished before elimination [2021-07-09 18:00:38,726 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:00:38,726 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:239, output treesize:3 [2021-07-09 18:00:38,735 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 97 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 18:00:38,735 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [31030737] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:00:38,735 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:00:38,735 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 16] total 23 [2021-07-09 18:00:38,735 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46811127] [2021-07-09 18:00:38,735 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-09 18:00:38,735 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:00:38,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-09 18:00:38,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=447, Unknown=0, NotChecked=0, Total=506 [2021-07-09 18:00:38,736 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) [2021-07-09 18:00:39,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:00:39,194 INFO L93 Difference]: Finished difference Result 54975 states and 140281 transitions. [2021-07-09 18:00:39,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 18:00:39,195 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 [2021-07-09 18:00:39,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:00:39,320 INFO L225 Difference]: With dead ends: 54975 [2021-07-09 18:00:39,321 INFO L226 Difference]: Without dead ends: 54946 [2021-07-09 18:00:39,321 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 893.0ms TimeCoverageRelationStatistics Valid=59, Invalid=447, Unknown=0, NotChecked=0, Total=506 [2021-07-09 18:00:39,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54946 states. [2021-07-09 18:00:40,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54946 to 53500. [2021-07-09 18:00:40,922 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) [2021-07-09 18:00:41,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53500 states to 53500 states and 136793 transitions. [2021-07-09 18:00:41,049 INFO L78 Accepts]: Start accepts. Automaton has 53500 states and 136793 transitions. Word has length 42 [2021-07-09 18:00:41,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:00:41,050 INFO L482 AbstractCegarLoop]: Abstraction has 53500 states and 136793 transitions. [2021-07-09 18:00:41,050 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) [2021-07-09 18:00:41,050 INFO L276 IsEmpty]: Start isEmpty. Operand 53500 states and 136793 transitions. [2021-07-09 18:00:41,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-07-09 18:00:41,087 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:00:41,087 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 18:00:41,287 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6556,140 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 18:00:41,287 INFO L430 AbstractCegarLoop]: === Iteration 145 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:00:41,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:00:41,288 INFO L82 PathProgramCache]: Analyzing trace with hash -1648769676, now seen corresponding path program 140 times [2021-07-09 18:00:41,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:00:41,288 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746155089] [2021-07-09 18:00:41,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:00:41,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:00:41,543 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-09 18:00:41,543 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:00:41,543 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746155089] [2021-07-09 18:00:41,543 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746155089] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:00:41,543 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [868201595] [2021-07-09 18:00:41,543 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 [2021-07-09 18:00:41,574 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 18:00:41,574 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 18:00:41,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 45 conjunts are in the unsatisfiable core [2021-07-09 18:00:41,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:00:41,883 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 71 [2021-07-09 18:00:41,883 INFO L354 Elim1Store]: treesize reduction 226, result has 41.3 percent of original size [2021-07-09 18:00:41,883 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 [2021-07-09 18:00:41,887 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:41,934 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:00:41,935 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:00:41,936 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:205, output treesize:260 [2021-07-09 18:00:42,046 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2021-07-09 18:00:43,111 WARN L205 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 51 [2021-07-09 18:00:43,275 INFO L446 ElimStorePlain]: Different costs {6=[v_prenex_145], 10=[f], 15=[v_prenex_146], 21=[v_prenex_144]} [2021-07-09 18:00:43,295 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:00:43,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 64 [2021-07-09 18:00:43,297 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:00:43,303 INFO L628 ElimStorePlain]: treesize reduction 214, result has 1.4 percent of original size [2021-07-09 18:00:43,303 INFO L518 ElimStorePlain]: Eliminatee f vanished before elimination [2021-07-09 18:00:43,303 INFO L518 ElimStorePlain]: Eliminatee v_prenex_146 vanished before elimination [2021-07-09 18:00:43,304 INFO L518 ElimStorePlain]: Eliminatee v_prenex_144 vanished before elimination [2021-07-09 18:00:43,304 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:00:43,304 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:237, output treesize:3 [2021-07-09 18:00:43,312 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 97 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 18:00:43,312 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [868201595] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:00:43,312 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:00:43,312 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 16] total 23 [2021-07-09 18:00:43,312 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774075240] [2021-07-09 18:00:43,312 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-09 18:00:43,312 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:00:43,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-09 18:00:43,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=448, Unknown=0, NotChecked=0, Total=506 [2021-07-09 18:00:43,313 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) [2021-07-09 18:00:43,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:00:43,901 INFO L93 Difference]: Finished difference Result 56192 states and 143625 transitions. [2021-07-09 18:00:43,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-09 18:00:43,902 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 [2021-07-09 18:00:43,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:00:44,042 INFO L225 Difference]: With dead ends: 56192 [2021-07-09 18:00:44,042 INFO L226 Difference]: Without dead ends: 56159 [2021-07-09 18:00:44,042 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 1054.3ms TimeCoverageRelationStatistics Valid=58, Invalid=448, Unknown=0, NotChecked=0, Total=506 [2021-07-09 18:00:44,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56159 states. [2021-07-09 18:00:45,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56159 to 54544. [2021-07-09 18:00:45,289 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) [2021-07-09 18:00:45,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54544 states to 54544 states and 139665 transitions. [2021-07-09 18:00:45,417 INFO L78 Accepts]: Start accepts. Automaton has 54544 states and 139665 transitions. Word has length 42 [2021-07-09 18:00:45,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:00:45,418 INFO L482 AbstractCegarLoop]: Abstraction has 54544 states and 139665 transitions. [2021-07-09 18:00:45,418 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) [2021-07-09 18:00:45,418 INFO L276 IsEmpty]: Start isEmpty. Operand 54544 states and 139665 transitions. [2021-07-09 18:00:45,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-07-09 18:00:45,456 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:00:45,456 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 18:00:45,656 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6567,141 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 18:00:45,657 INFO L430 AbstractCegarLoop]: === Iteration 146 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:00:45,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:00:45,657 INFO L82 PathProgramCache]: Analyzing trace with hash -522687372, now seen corresponding path program 141 times [2021-07-09 18:00:45,657 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:00:45,657 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861103734] [2021-07-09 18:00:45,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:00:45,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:00:45,703 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-09 18:00:45,703 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:00:45,703 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861103734] [2021-07-09 18:00:45,703 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861103734] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:00:45,703 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [277726398] [2021-07-09 18:00:45,703 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 [2021-07-09 18:00:45,735 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2021-07-09 18:00:45,735 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 18:00:45,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 49 conjunts are in the unsatisfiable core [2021-07-09 18:00:45,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:00:46,284 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 68 [2021-07-09 18:00:46,284 INFO L354 Elim1Store]: treesize reduction 205, result has 39.2 percent of original size [2021-07-09 18:00:46,284 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 [2021-07-09 18:00:48,277 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:00:48,323 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:00:49,287 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:00:49,288 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:258, output treesize:303 [2021-07-09 18:00:51,143 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2021-07-09 18:00:56,530 WARN L205 SmtUtils]: Spent 5.11 s on a formula simplification. DAG size of input: 960 DAG size of output: 960 [2021-07-09 18:01:02,123 WARN L205 SmtUtils]: Spent 5.36 s on a formula simplification. DAG size of input: 1607 DAG size of output: 1607 [2021-07-09 18:01:07,509 WARN L205 SmtUtils]: Spent 5.37 s on a formula simplification. DAG size of input: 1607 DAG size of output: 1607 [2021-07-09 18:01:10,463 WARN L205 SmtUtils]: Spent 2.74 s on a formula simplification that was a NOOP. DAG size: 1607 [2021-07-09 18:01:31,066 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2021-07-09 18:01:31,509 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:31,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 145 treesize of output 62 [2021-07-09 18:01:31,511 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:31,625 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:01:31,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 163 treesize of output 56 [2021-07-09 18:01:31,626 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:31,736 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:01:31,737 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 183 treesize of output 62 [2021-07-09 18:01:31,738 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:31,846 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:01:31,846 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 163 treesize of output 56 [2021-07-09 18:01:31,848 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:31,975 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:31,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-07-09 18:01:31,976 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:32,114 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:32,115 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 165 treesize of output 66 [2021-07-09 18:01:32,116 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:32,246 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:32,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 68 [2021-07-09 18:01:32,248 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:32,386 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:32,387 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 64 [2021-07-09 18:01:32,388 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:32,504 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:01:32,504 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 153 treesize of output 56 [2021-07-09 18:01:32,506 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:32,649 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:32,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:01:32,650 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:32,797 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:32,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:01:32,798 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:32,946 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:32,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-07-09 18:01:32,948 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:33,088 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:33,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-07-09 18:01:33,090 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:33,228 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:33,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 63 [2021-07-09 18:01:33,230 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:33,384 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:33,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:01:33,386 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:33,531 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:01:33,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 165 treesize of output 56 [2021-07-09 18:01:33,533 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:33,674 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:01:33,674 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 175 treesize of output 58 [2021-07-09 18:01:33,676 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:33,824 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:33,825 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 66 [2021-07-09 18:01:33,826 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:33,970 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:33,970 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 170 treesize of output 65 [2021-07-09 18:01:33,971 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:34,125 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:34,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 1 [2021-07-09 18:01:34,126 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:34,272 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:34,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-07-09 18:01:34,275 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:34,414 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:01:34,414 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 145 treesize of output 52 [2021-07-09 18:01:34,415 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:34,574 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:34,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-07-09 18:01:34,576 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:34,714 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:01:34,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 180 treesize of output 59 [2021-07-09 18:01:34,716 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:34,821 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:01:34,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:01:34,822 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:34,950 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:34,950 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 165 treesize of output 66 [2021-07-09 18:01:34,951 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:35,070 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:35,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-07-09 18:01:35,071 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:35,192 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:35,192 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 150 treesize of output 63 [2021-07-09 18:01:35,194 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:35,319 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:35,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 67 [2021-07-09 18:01:35,321 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:35,454 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:35,454 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 170 treesize of output 65 [2021-07-09 18:01:35,456 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:35,590 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:35,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:01:35,591 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:35,721 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:35,721 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 170 treesize of output 67 [2021-07-09 18:01:35,722 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:35,856 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:35,857 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 140 treesize of output 61 [2021-07-09 18:01:35,858 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:35,997 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:35,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-07-09 18:01:35,999 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:36,119 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:01:36,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 158 treesize of output 55 [2021-07-09 18:01:36,121 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:36,251 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:36,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-07-09 18:01:36,253 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:36,386 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:36,387 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 175 treesize of output 68 [2021-07-09 18:01:36,388 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:36,524 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:36,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 61 [2021-07-09 18:01:36,527 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:36,667 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:36,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-07-09 18:01:36,668 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:36,810 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:36,810 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 155 treesize of output 62 [2021-07-09 18:01:36,812 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:36,950 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:36,950 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 170 treesize of output 65 [2021-07-09 18:01:36,952 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:37,094 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:37,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-07-09 18:01:37,095 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:37,237 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:37,237 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 [2021-07-09 18:01:37,239 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:37,371 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:01:37,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:01:37,373 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:37,524 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:37,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 67 [2021-07-09 18:01:37,525 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:37,679 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:37,679 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 165 treesize of output 64 [2021-07-09 18:01:37,680 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:37,825 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:37,825 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 185 treesize of output 68 [2021-07-09 18:01:37,827 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:37,976 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:37,976 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 165 treesize of output 64 [2021-07-09 18:01:37,978 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:38,111 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:01:38,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 158 treesize of output 55 [2021-07-09 18:01:38,112 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:38,265 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:38,265 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 170 treesize of output 65 [2021-07-09 18:01:38,267 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:38,402 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:01:38,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 168 treesize of output 59 [2021-07-09 18:01:38,403 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:38,556 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:38,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-07-09 18:01:38,558 INFO L550 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:38,697 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:01:38,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 163 treesize of output 58 [2021-07-09 18:01:38,698 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:38,868 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:38,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-07-09 18:01:38,870 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:39,049 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:39,049 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 165 treesize of output 64 [2021-07-09 18:01:39,050 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:39,205 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:39,206 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 180 treesize of output 69 [2021-07-09 18:01:39,207 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:39,363 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:39,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-07-09 18:01:39,364 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:39,527 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:39,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:01:39,529 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:39,677 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:01:39,677 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 190 treesize of output 61 [2021-07-09 18:01:39,678 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:39,826 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:01:39,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 165 treesize of output 56 [2021-07-09 18:01:39,827 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:39,992 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:39,992 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 63 [2021-07-09 18:01:39,994 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:40,164 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:40,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:01:40,165 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:40,316 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:01:40,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 200 treesize of output 63 [2021-07-09 18:01:40,318 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:40,482 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:40,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:01:40,484 INFO L550 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:40,651 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:40,651 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 63 [2021-07-09 18:01:40,653 INFO L550 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:40,819 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:40,819 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 180 treesize of output 67 [2021-07-09 18:01:40,821 INFO L550 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:40,998 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:40,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:01:41,000 INFO L550 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:41,155 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:01:41,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 153 treesize of output 56 [2021-07-09 18:01:41,156 INFO L550 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:41,325 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:41,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:01:41,327 INFO L550 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:41,498 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:41,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:01:41,500 INFO L550 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:41,656 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:01:41,656 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 170 treesize of output 57 [2021-07-09 18:01:41,657 INFO L550 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:41,829 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:41,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-07-09 18:01:41,831 INFO L550 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:42,005 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:42,005 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 160 treesize of output 65 [2021-07-09 18:01:42,006 INFO L550 ElimStorePlain]: Start of recursive call 74: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:42,189 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:42,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-07-09 18:01:42,191 INFO L550 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:42,373 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:42,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-07-09 18:01:42,375 INFO L550 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:42,538 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:01:42,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:01:42,539 INFO L550 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:42,719 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:42,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-07-09 18:01:42,720 INFO L550 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:42,901 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:42,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-07-09 18:01:42,903 INFO L550 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:43,083 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:43,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-07-09 18:01:43,085 INFO L550 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:43,266 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:43,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-07-09 18:01:43,268 INFO L550 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:43,436 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:01:43,436 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 153 treesize of output 54 [2021-07-09 18:01:43,437 INFO L550 ElimStorePlain]: Start of recursive call 82: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:43,605 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:01:43,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:01:43,607 INFO L550 ElimStorePlain]: Start of recursive call 83: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:43,778 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:01:43,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:01:43,780 INFO L550 ElimStorePlain]: Start of recursive call 84: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:43,968 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:43,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:01:43,969 INFO L550 ElimStorePlain]: Start of recursive call 85: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:44,155 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:44,155 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 150 treesize of output 61 [2021-07-09 18:01:44,157 INFO L550 ElimStorePlain]: Start of recursive call 86: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:44,342 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:44,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-07-09 18:01:44,344 INFO L550 ElimStorePlain]: Start of recursive call 87: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:44,517 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:01:44,517 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 168 treesize of output 59 [2021-07-09 18:01:44,518 INFO L550 ElimStorePlain]: Start of recursive call 88: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:44,710 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:44,711 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 155 treesize of output 64 [2021-07-09 18:01:44,712 INFO L550 ElimStorePlain]: Start of recursive call 89: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:44,903 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:44,903 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 175 treesize of output 66 [2021-07-09 18:01:44,904 INFO L550 ElimStorePlain]: Start of recursive call 90: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:45,097 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:45,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-07-09 18:01:45,100 INFO L550 ElimStorePlain]: Start of recursive call 91: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:45,276 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:01:45,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:01:45,279 INFO L550 ElimStorePlain]: Start of recursive call 92: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:45,489 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:45,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:01:45,491 INFO L550 ElimStorePlain]: Start of recursive call 93: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:45,683 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:45,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:01:45,684 INFO L550 ElimStorePlain]: Start of recursive call 94: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:45,884 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:45,884 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 64 [2021-07-09 18:01:45,885 INFO L550 ElimStorePlain]: Start of recursive call 95: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:46,064 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:01:46,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 173 treesize of output 60 [2021-07-09 18:01:46,066 INFO L550 ElimStorePlain]: Start of recursive call 96: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:46,245 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:01:46,246 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 [2021-07-09 18:01:46,247 INFO L550 ElimStorePlain]: Start of recursive call 97: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:46,445 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:46,445 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:01:46,446 INFO L550 ElimStorePlain]: Start of recursive call 98: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:46,645 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:46,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:01:46,646 INFO L550 ElimStorePlain]: Start of recursive call 99: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:46,850 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:46,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:01:46,852 INFO L550 ElimStorePlain]: Start of recursive call 100: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:47,043 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:01:47,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:01:47,044 INFO L550 ElimStorePlain]: Start of recursive call 101: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:47,248 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:47,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-07-09 18:01:47,250 INFO L550 ElimStorePlain]: Start of recursive call 102: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:47,439 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:01:47,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 170 treesize of output 57 [2021-07-09 18:01:47,440 INFO L550 ElimStorePlain]: Start of recursive call 103: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:47,641 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:47,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-07-09 18:01:47,643 INFO L550 ElimStorePlain]: Start of recursive call 104: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:47,845 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:47,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:01:47,847 INFO L550 ElimStorePlain]: Start of recursive call 105: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:48,052 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:48,052 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 [2021-07-09 18:01:48,054 INFO L550 ElimStorePlain]: Start of recursive call 106: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:48,267 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:48,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:01:48,269 INFO L550 ElimStorePlain]: Start of recursive call 107: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:48,495 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:48,495 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 62 [2021-07-09 18:01:48,496 INFO L550 ElimStorePlain]: Start of recursive call 108: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:48,707 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:48,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:01:48,708 INFO L550 ElimStorePlain]: Start of recursive call 109: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:48,929 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:48,929 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 170 treesize of output 65 [2021-07-09 18:01:48,931 INFO L550 ElimStorePlain]: Start of recursive call 110: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:49,139 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:49,139 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 160 treesize of output 63 [2021-07-09 18:01:49,140 INFO L550 ElimStorePlain]: Start of recursive call 111: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:49,371 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:49,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:01:49,373 INFO L550 ElimStorePlain]: Start of recursive call 112: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:49,603 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:49,603 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 185 treesize of output 70 [2021-07-09 18:01:49,605 INFO L550 ElimStorePlain]: Start of recursive call 113: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:49,818 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:49,819 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 160 treesize of output 63 [2021-07-09 18:01:49,821 INFO L550 ElimStorePlain]: Start of recursive call 114: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:50,035 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:50,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:01:50,037 INFO L550 ElimStorePlain]: Start of recursive call 115: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:50,268 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:50,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:01:50,270 INFO L550 ElimStorePlain]: Start of recursive call 116: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:50,488 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:50,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-07-09 18:01:50,490 INFO L550 ElimStorePlain]: Start of recursive call 117: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:50,691 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:01:50,691 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 163 treesize of output 58 [2021-07-09 18:01:50,693 INFO L550 ElimStorePlain]: Start of recursive call 118: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:51,009 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:51,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 61 [2021-07-09 18:01:51,011 INFO L550 ElimStorePlain]: Start of recursive call 119: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:51,235 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:51,235 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 160 treesize of output 63 [2021-07-09 18:01:51,238 INFO L550 ElimStorePlain]: Start of recursive call 120: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:51,453 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:51,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:01:51,454 INFO L550 ElimStorePlain]: Start of recursive call 121: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:51,658 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:01:51,659 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 190 treesize of output 61 [2021-07-09 18:01:51,660 INFO L550 ElimStorePlain]: Start of recursive call 122: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:51,882 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:51,883 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 [2021-07-09 18:01:51,885 INFO L550 ElimStorePlain]: Start of recursive call 123: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:52,107 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:52,107 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 150 treesize of output 63 [2021-07-09 18:01:52,109 INFO L550 ElimStorePlain]: Start of recursive call 124: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:52,332 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:52,333 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 145 treesize of output 62 [2021-07-09 18:01:52,334 INFO L550 ElimStorePlain]: Start of recursive call 125: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:52,574 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:52,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-07-09 18:01:52,576 INFO L550 ElimStorePlain]: Start of recursive call 126: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:52,807 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:52,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:01:52,809 INFO L550 ElimStorePlain]: Start of recursive call 127: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:53,031 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:53,031 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 175 treesize of output 68 [2021-07-09 18:01:53,032 INFO L550 ElimStorePlain]: Start of recursive call 128: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:53,241 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:01:53,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 163 treesize of output 56 [2021-07-09 18:01:53,242 INFO L550 ElimStorePlain]: Start of recursive call 129: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:53,472 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:53,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-07-09 18:01:53,474 INFO L550 ElimStorePlain]: Start of recursive call 130: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:53,683 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:01:53,683 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 180 treesize of output 59 [2021-07-09 18:01:53,685 INFO L550 ElimStorePlain]: Start of recursive call 131: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:53,916 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:01:53,917 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 163 treesize of output 56 [2021-07-09 18:01:53,918 INFO L550 ElimStorePlain]: Start of recursive call 132: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:54,144 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:54,144 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 165 treesize of output 66 [2021-07-09 18:01:54,146 INFO L550 ElimStorePlain]: Start of recursive call 133: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:54,382 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:54,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-07-09 18:01:54,384 INFO L550 ElimStorePlain]: Start of recursive call 134: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:54,615 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:54,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 67 [2021-07-09 18:01:54,617 INFO L550 ElimStorePlain]: Start of recursive call 135: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:54,847 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:54,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:01:54,849 INFO L550 ElimStorePlain]: Start of recursive call 136: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:55,072 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:01:55,072 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 173 treesize of output 58 [2021-07-09 18:01:55,073 INFO L550 ElimStorePlain]: Start of recursive call 137: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:55,307 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:55,307 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 150 treesize of output 61 [2021-07-09 18:01:55,309 INFO L550 ElimStorePlain]: Start of recursive call 138: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:55,544 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:55,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-07-09 18:01:55,546 INFO L550 ElimStorePlain]: Start of recursive call 139: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:55,780 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:55,780 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 165 treesize of output 64 [2021-07-09 18:01:55,782 INFO L550 ElimStorePlain]: Start of recursive call 140: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:56,000 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:01:56,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 150 treesize of output 53 [2021-07-09 18:01:56,002 INFO L550 ElimStorePlain]: Start of recursive call 141: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:56,240 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:56,240 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 155 treesize of output 62 [2021-07-09 18:01:56,242 INFO L550 ElimStorePlain]: Start of recursive call 142: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:56,477 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:56,478 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 160 treesize of output 63 [2021-07-09 18:01:56,479 INFO L550 ElimStorePlain]: Start of recursive call 143: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:56,697 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:01:56,698 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 175 treesize of output 58 [2021-07-09 18:01:56,699 INFO L550 ElimStorePlain]: Start of recursive call 144: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:56,957 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:56,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:01:56,959 INFO L550 ElimStorePlain]: Start of recursive call 145: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:57,252 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:01:57,253 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 190 treesize of output 61 [2021-07-09 18:01:57,254 INFO L550 ElimStorePlain]: Start of recursive call 146: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:57,369 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:01:57,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 158 treesize of output 55 [2021-07-09 18:01:57,371 INFO L550 ElimStorePlain]: Start of recursive call 147: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:57,499 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:57,499 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 175 treesize of output 68 [2021-07-09 18:01:57,501 INFO L550 ElimStorePlain]: Start of recursive call 148: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:57,634 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:57,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-07-09 18:01:57,636 INFO L550 ElimStorePlain]: Start of recursive call 149: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:57,747 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:01:57,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:01:57,749 INFO L550 ElimStorePlain]: Start of recursive call 150: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:57,882 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:57,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:01:57,883 INFO L550 ElimStorePlain]: Start of recursive call 151: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:58,022 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:58,022 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 170 treesize of output 65 [2021-07-09 18:01:58,024 INFO L550 ElimStorePlain]: Start of recursive call 152: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:58,161 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:58,162 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 175 treesize of output 66 [2021-07-09 18:01:58,163 INFO L550 ElimStorePlain]: Start of recursive call 153: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:58,299 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:58,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-07-09 18:01:58,302 INFO L550 ElimStorePlain]: Start of recursive call 154: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:58,428 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:01:58,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 148 treesize of output 55 [2021-07-09 18:01:58,430 INFO L550 ElimStorePlain]: Start of recursive call 155: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:58,569 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:58,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:01:58,571 INFO L550 ElimStorePlain]: Start of recursive call 156: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:58,714 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:58,714 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 170 treesize of output 65 [2021-07-09 18:01:58,716 INFO L550 ElimStorePlain]: Start of recursive call 157: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:58,862 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:58,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:01:58,864 INFO L550 ElimStorePlain]: Start of recursive call 158: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:58,988 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:01:58,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 173 treesize of output 58 [2021-07-09 18:01:58,990 INFO L550 ElimStorePlain]: Start of recursive call 159: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:59,131 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:59,131 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 [2021-07-09 18:01:59,133 INFO L550 ElimStorePlain]: Start of recursive call 160: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:59,256 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:01:59,256 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 170 treesize of output 57 [2021-07-09 18:01:59,257 INFO L550 ElimStorePlain]: Start of recursive call 161: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:59,381 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:01:59,381 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 160 treesize of output 55 [2021-07-09 18:01:59,383 INFO L550 ElimStorePlain]: Start of recursive call 162: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:59,507 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:01:59,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:01:59,509 INFO L550 ElimStorePlain]: Start of recursive call 163: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:59,634 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:01:59,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:01:59,635 INFO L550 ElimStorePlain]: Start of recursive call 164: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:59,762 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:01:59,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:01:59,764 INFO L550 ElimStorePlain]: Start of recursive call 165: End of recursive call: and 1 xjuncts. [2021-07-09 18:01:59,919 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:01:59,919 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 175 treesize of output 66 [2021-07-09 18:01:59,921 INFO L550 ElimStorePlain]: Start of recursive call 166: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:00,072 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:00,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:02:00,075 INFO L550 ElimStorePlain]: Start of recursive call 167: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:00,224 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:00,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-07-09 18:02:00,226 INFO L550 ElimStorePlain]: Start of recursive call 168: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:00,383 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:00,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 67 [2021-07-09 18:02:00,385 INFO L550 ElimStorePlain]: Start of recursive call 169: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:00,515 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:00,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:02:00,517 INFO L550 ElimStorePlain]: Start of recursive call 170: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:00,665 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:00,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-07-09 18:02:00,667 INFO L550 ElimStorePlain]: Start of recursive call 171: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:00,798 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:00,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:02:00,800 INFO L550 ElimStorePlain]: Start of recursive call 172: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:00,951 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:00,952 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 [2021-07-09 18:02:00,953 INFO L550 ElimStorePlain]: Start of recursive call 173: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:01,110 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:01,110 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 150 treesize of output 63 [2021-07-09 18:02:01,112 INFO L550 ElimStorePlain]: Start of recursive call 174: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:01,265 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:01,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-07-09 18:02:01,267 INFO L550 ElimStorePlain]: Start of recursive call 175: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:01,423 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:01,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-07-09 18:02:01,425 INFO L550 ElimStorePlain]: Start of recursive call 176: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:01,580 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:01,581 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 155 treesize of output 64 [2021-07-09 18:02:01,582 INFO L550 ElimStorePlain]: Start of recursive call 177: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:01,729 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:01,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 175 treesize of output 58 [2021-07-09 18:02:01,731 INFO L550 ElimStorePlain]: Start of recursive call 178: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:01,889 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:01,889 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 170 treesize of output 65 [2021-07-09 18:02:01,891 INFO L550 ElimStorePlain]: Start of recursive call 179: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:02,031 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:02,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 170 treesize of output 57 [2021-07-09 18:02:02,033 INFO L550 ElimStorePlain]: Start of recursive call 180: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:02,184 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:02,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-07-09 18:02:02,186 INFO L550 ElimStorePlain]: Start of recursive call 181: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:02,329 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:02,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-07-09 18:02:02,330 INFO L550 ElimStorePlain]: Start of recursive call 182: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:02,470 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:02,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:02:02,472 INFO L550 ElimStorePlain]: Start of recursive call 183: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:02,598 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:02,599 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 143 treesize of output 54 [2021-07-09 18:02:02,600 INFO L550 ElimStorePlain]: Start of recursive call 184: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:02,741 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:02,741 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 160 treesize of output 65 [2021-07-09 18:02:02,742 INFO L550 ElimStorePlain]: Start of recursive call 185: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:02,888 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:02,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-07-09 18:02:02,889 INFO L550 ElimStorePlain]: Start of recursive call 186: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:03,019 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:03,019 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 170 treesize of output 57 [2021-07-09 18:02:03,020 INFO L550 ElimStorePlain]: Start of recursive call 187: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:03,166 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:03,166 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 150 treesize of output 61 [2021-07-09 18:02:03,168 INFO L550 ElimStorePlain]: Start of recursive call 188: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:03,320 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:03,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:02:03,322 INFO L550 ElimStorePlain]: Start of recursive call 189: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:03,484 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:03,484 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 165 treesize of output 64 [2021-07-09 18:02:03,486 INFO L550 ElimStorePlain]: Start of recursive call 190: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:03,670 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:03,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:02:03,672 INFO L550 ElimStorePlain]: Start of recursive call 191: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:03,858 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:03,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:02:03,860 INFO L550 ElimStorePlain]: Start of recursive call 192: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:04,004 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:04,004 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 158 treesize of output 55 [2021-07-09 18:02:04,005 INFO L550 ElimStorePlain]: Start of recursive call 193: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:04,157 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:04,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:02:04,159 INFO L550 ElimStorePlain]: Start of recursive call 194: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:04,312 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:04,312 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 165 treesize of output 64 [2021-07-09 18:02:04,314 INFO L550 ElimStorePlain]: Start of recursive call 195: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:04,452 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:04,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 160 treesize of output 55 [2021-07-09 18:02:04,453 INFO L550 ElimStorePlain]: Start of recursive call 196: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:04,611 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:04,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:02:04,613 INFO L550 ElimStorePlain]: Start of recursive call 197: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:04,751 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:04,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 170 treesize of output 57 [2021-07-09 18:02:04,753 INFO L550 ElimStorePlain]: Start of recursive call 198: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:04,908 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:04,908 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 170 treesize of output 65 [2021-07-09 18:02:04,910 INFO L550 ElimStorePlain]: Start of recursive call 199: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:05,068 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:05,068 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 175 treesize of output 66 [2021-07-09 18:02:05,069 INFO L550 ElimStorePlain]: Start of recursive call 200: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:05,225 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:05,225 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 160 treesize of output 63 [2021-07-09 18:02:05,226 INFO L550 ElimStorePlain]: Start of recursive call 201: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:05,385 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:05,386 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 155 treesize of output 62 [2021-07-09 18:02:05,387 INFO L550 ElimStorePlain]: Start of recursive call 202: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:05,546 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:05,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-07-09 18:02:05,548 INFO L550 ElimStorePlain]: Start of recursive call 203: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:05,754 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:05,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-07-09 18:02:05,757 INFO L550 ElimStorePlain]: Start of recursive call 204: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:05,904 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:05,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:02:05,905 INFO L550 ElimStorePlain]: Start of recursive call 205: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:06,052 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:06,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:02:06,054 INFO L550 ElimStorePlain]: Start of recursive call 206: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:06,218 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:06,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:02:06,219 INFO L550 ElimStorePlain]: Start of recursive call 207: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:06,379 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:06,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:02:06,380 INFO L550 ElimStorePlain]: Start of recursive call 208: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:06,543 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:06,543 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 150 treesize of output 61 [2021-07-09 18:02:06,544 INFO L550 ElimStorePlain]: Start of recursive call 209: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:06,706 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:06,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:02:06,708 INFO L550 ElimStorePlain]: Start of recursive call 210: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:06,880 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:06,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 185 treesize of output 68 [2021-07-09 18:02:06,883 INFO L550 ElimStorePlain]: Start of recursive call 211: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:07,049 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:07,050 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 170 treesize of output 67 [2021-07-09 18:02:07,051 INFO L550 ElimStorePlain]: Start of recursive call 212: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:07,220 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:07,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-07-09 18:02:07,222 INFO L550 ElimStorePlain]: Start of recursive call 213: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:07,389 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:07,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-07-09 18:02:07,390 INFO L550 ElimStorePlain]: Start of recursive call 214: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:07,560 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:07,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-07-09 18:02:07,562 INFO L550 ElimStorePlain]: Start of recursive call 215: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:07,734 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:07,734 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 175 treesize of output 68 [2021-07-09 18:02:07,736 INFO L550 ElimStorePlain]: Start of recursive call 216: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:07,904 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:07,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:02:07,906 INFO L550 ElimStorePlain]: Start of recursive call 217: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:08,060 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:08,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 180 treesize of output 59 [2021-07-09 18:02:08,062 INFO L550 ElimStorePlain]: Start of recursive call 218: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:08,235 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:08,235 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 145 treesize of output 62 [2021-07-09 18:02:08,237 INFO L550 ElimStorePlain]: Start of recursive call 219: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:08,413 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:08,413 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 170 treesize of output 65 [2021-07-09 18:02:08,415 INFO L550 ElimStorePlain]: Start of recursive call 220: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:08,584 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:08,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 145 treesize of output 62 [2021-07-09 18:02:08,586 INFO L550 ElimStorePlain]: Start of recursive call 221: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:08,759 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:08,759 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 [2021-07-09 18:02:08,760 INFO L550 ElimStorePlain]: Start of recursive call 222: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:08,933 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:08,933 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 160 treesize of output 63 [2021-07-09 18:02:08,934 INFO L550 ElimStorePlain]: Start of recursive call 223: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:09,093 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:09,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:02:09,094 INFO L550 ElimStorePlain]: Start of recursive call 224: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:09,269 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:09,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-07-09 18:02:09,270 INFO L550 ElimStorePlain]: Start of recursive call 225: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:09,453 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:09,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 61 [2021-07-09 18:02:09,455 INFO L550 ElimStorePlain]: Start of recursive call 226: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:09,636 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:09,637 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 170 treesize of output 67 [2021-07-09 18:02:09,638 INFO L550 ElimStorePlain]: Start of recursive call 227: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:09,822 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:09,822 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 65 [2021-07-09 18:02:09,823 INFO L550 ElimStorePlain]: Start of recursive call 228: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:09,987 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:09,987 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 165 treesize of output 56 [2021-07-09 18:02:09,988 INFO L550 ElimStorePlain]: Start of recursive call 229: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:10,170 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:10,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:02:10,172 INFO L550 ElimStorePlain]: Start of recursive call 230: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:10,340 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:10,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 148 treesize of output 53 [2021-07-09 18:02:10,342 INFO L550 ElimStorePlain]: Start of recursive call 231: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:10,523 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:10,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-07-09 18:02:10,525 INFO L550 ElimStorePlain]: Start of recursive call 232: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:10,687 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:10,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:02:10,689 INFO L550 ElimStorePlain]: Start of recursive call 233: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:10,853 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:10,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 175 treesize of output 58 [2021-07-09 18:02:10,855 INFO L550 ElimStorePlain]: Start of recursive call 234: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:11,036 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:11,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-07-09 18:02:11,037 INFO L550 ElimStorePlain]: Start of recursive call 235: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:11,219 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:11,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:02:11,221 INFO L550 ElimStorePlain]: Start of recursive call 236: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:11,404 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:11,404 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 165 treesize of output 66 [2021-07-09 18:02:11,405 INFO L550 ElimStorePlain]: Start of recursive call 237: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:11,590 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:11,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:02:11,592 INFO L550 ElimStorePlain]: Start of recursive call 238: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:11,776 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:11,776 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 160 treesize of output 65 [2021-07-09 18:02:11,777 INFO L550 ElimStorePlain]: Start of recursive call 239: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:11,945 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:11,945 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 165 treesize of output 56 [2021-07-09 18:02:11,946 INFO L550 ElimStorePlain]: Start of recursive call 240: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:12,132 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:12,132 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 180 treesize of output 67 [2021-07-09 18:02:12,134 INFO L550 ElimStorePlain]: Start of recursive call 241: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:12,324 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:12,324 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 170 treesize of output 65 [2021-07-09 18:02:12,326 INFO L550 ElimStorePlain]: Start of recursive call 242: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:12,500 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:12,500 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 173 treesize of output 60 [2021-07-09 18:02:12,502 INFO L550 ElimStorePlain]: Start of recursive call 243: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:12,699 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:12,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-07-09 18:02:12,701 INFO L550 ElimStorePlain]: Start of recursive call 244: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:12,889 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:12,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-07-09 18:02:12,891 INFO L550 ElimStorePlain]: Start of recursive call 245: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:13,086 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:13,086 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 145 treesize of output 60 [2021-07-09 18:02:13,088 INFO L550 ElimStorePlain]: Start of recursive call 246: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:13,262 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:13,262 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 150 treesize of output 53 [2021-07-09 18:02:13,264 INFO L550 ElimStorePlain]: Start of recursive call 247: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:13,454 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:13,454 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 175 treesize of output 66 [2021-07-09 18:02:13,455 INFO L550 ElimStorePlain]: Start of recursive call 248: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:13,651 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:13,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:02:13,653 INFO L550 ElimStorePlain]: Start of recursive call 249: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:13,830 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:13,830 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 170 treesize of output 57 [2021-07-09 18:02:13,831 INFO L550 ElimStorePlain]: Start of recursive call 250: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:14,008 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:14,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 163 treesize of output 58 [2021-07-09 18:02:14,010 INFO L550 ElimStorePlain]: Start of recursive call 251: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:14,201 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:14,201 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 [2021-07-09 18:02:14,203 INFO L550 ElimStorePlain]: Start of recursive call 252: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:14,400 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:14,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-07-09 18:02:14,402 INFO L550 ElimStorePlain]: Start of recursive call 253: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:14,581 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:14,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 158 treesize of output 55 [2021-07-09 18:02:14,583 INFO L550 ElimStorePlain]: Start of recursive call 254: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:14,762 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:14,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:02:14,763 INFO L550 ElimStorePlain]: Start of recursive call 255: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:14,958 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:14,958 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 [2021-07-09 18:02:14,960 INFO L550 ElimStorePlain]: Start of recursive call 256: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:15,159 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:15,159 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 165 treesize of output 64 [2021-07-09 18:02:15,161 INFO L550 ElimStorePlain]: Start of recursive call 257: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:15,343 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:15,344 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 148 treesize of output 55 [2021-07-09 18:02:15,345 INFO L550 ElimStorePlain]: Start of recursive call 258: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:15,543 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:15,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-07-09 18:02:15,545 INFO L550 ElimStorePlain]: Start of recursive call 259: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:15,751 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:15,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:02:15,753 INFO L550 ElimStorePlain]: Start of recursive call 260: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:15,956 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:15,956 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 155 treesize of output 62 [2021-07-09 18:02:15,958 INFO L550 ElimStorePlain]: Start of recursive call 261: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:16,142 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:16,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:02:16,144 INFO L550 ElimStorePlain]: Start of recursive call 262: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:16,345 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:16,346 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 170 treesize of output 67 [2021-07-09 18:02:16,347 INFO L550 ElimStorePlain]: Start of recursive call 263: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:16,538 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:16,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:02:16,539 INFO L550 ElimStorePlain]: Start of recursive call 264: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:16,746 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:16,746 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 155 treesize of output 64 [2021-07-09 18:02:16,748 INFO L550 ElimStorePlain]: Start of recursive call 265: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:16,958 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:16,958 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 160 treesize of output 63 [2021-07-09 18:02:16,959 INFO L550 ElimStorePlain]: Start of recursive call 266: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:17,146 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:17,146 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 180 treesize of output 59 [2021-07-09 18:02:17,148 INFO L550 ElimStorePlain]: Start of recursive call 267: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:17,349 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:17,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 185 treesize of output 60 [2021-07-09 18:02:17,350 INFO L550 ElimStorePlain]: Start of recursive call 268: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:17,549 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:17,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:02:17,551 INFO L550 ElimStorePlain]: Start of recursive call 269: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:17,758 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:17,758 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 [2021-07-09 18:02:17,759 INFO L550 ElimStorePlain]: Start of recursive call 270: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:17,976 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:17,976 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 185 treesize of output 68 [2021-07-09 18:02:17,978 INFO L550 ElimStorePlain]: Start of recursive call 271: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:18,185 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:18,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-07-09 18:02:18,186 INFO L550 ElimStorePlain]: Start of recursive call 272: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:18,399 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:18,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 69 [2021-07-09 18:02:18,401 INFO L550 ElimStorePlain]: Start of recursive call 273: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:18,617 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:18,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:02:18,619 INFO L550 ElimStorePlain]: Start of recursive call 274: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:18,822 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:18,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 163 treesize of output 56 [2021-07-09 18:02:18,824 INFO L550 ElimStorePlain]: Start of recursive call 275: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:19,034 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:19,034 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 155 treesize of output 64 [2021-07-09 18:02:19,036 INFO L550 ElimStorePlain]: Start of recursive call 276: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:19,244 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:19,244 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 160 treesize of output 63 [2021-07-09 18:02:19,246 INFO L550 ElimStorePlain]: Start of recursive call 277: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:19,457 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:19,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-07-09 18:02:19,458 INFO L550 ElimStorePlain]: Start of recursive call 278: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:19,676 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:19,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-07-09 18:02:19,678 INFO L550 ElimStorePlain]: Start of recursive call 279: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:19,896 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:19,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-07-09 18:02:19,898 INFO L550 ElimStorePlain]: Start of recursive call 280: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:20,105 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:20,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 190 treesize of output 61 [2021-07-09 18:02:20,107 INFO L550 ElimStorePlain]: Start of recursive call 281: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:20,325 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:20,325 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 160 treesize of output 63 [2021-07-09 18:02:20,327 INFO L550 ElimStorePlain]: Start of recursive call 282: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:20,531 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:20,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:02:20,533 INFO L550 ElimStorePlain]: Start of recursive call 283: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:20,762 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:20,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-07-09 18:02:20,764 INFO L550 ElimStorePlain]: Start of recursive call 284: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:20,985 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:20,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-07-09 18:02:20,987 INFO L550 ElimStorePlain]: Start of recursive call 285: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:21,210 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:21,211 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 165 treesize of output 64 [2021-07-09 18:02:21,212 INFO L550 ElimStorePlain]: Start of recursive call 286: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:21,309 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:21,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-07-09 18:02:21,311 INFO L550 ElimStorePlain]: Start of recursive call 287: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:21,389 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:21,389 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 158 treesize of output 55 [2021-07-09 18:02:21,390 INFO L550 ElimStorePlain]: Start of recursive call 288: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:21,484 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:21,485 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 175 treesize of output 66 [2021-07-09 18:02:21,486 INFO L550 ElimStorePlain]: Start of recursive call 289: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:21,567 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:21,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 160 treesize of output 55 [2021-07-09 18:02:21,569 INFO L550 ElimStorePlain]: Start of recursive call 290: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:21,665 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:21,665 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 160 treesize of output 63 [2021-07-09 18:02:21,667 INFO L550 ElimStorePlain]: Start of recursive call 291: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:21,764 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:21,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-07-09 18:02:21,766 INFO L550 ElimStorePlain]: Start of recursive call 292: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:21,868 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:21,868 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 175 treesize of output 68 [2021-07-09 18:02:21,870 INFO L550 ElimStorePlain]: Start of recursive call 293: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:21,975 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:21,975 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 150 treesize of output 61 [2021-07-09 18:02:21,977 INFO L550 ElimStorePlain]: Start of recursive call 294: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:22,076 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:22,076 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 165 treesize of output 66 [2021-07-09 18:02:22,077 INFO L550 ElimStorePlain]: Start of recursive call 295: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:22,184 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:22,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:02:22,185 INFO L550 ElimStorePlain]: Start of recursive call 296: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:22,290 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:22,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-07-09 18:02:22,292 INFO L550 ElimStorePlain]: Start of recursive call 297: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:22,406 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:22,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-07-09 18:02:22,408 INFO L550 ElimStorePlain]: Start of recursive call 298: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:22,516 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:22,516 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 155 treesize of output 64 [2021-07-09 18:02:22,517 INFO L550 ElimStorePlain]: Start of recursive call 299: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:22,631 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:22,631 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 [2021-07-09 18:02:22,633 INFO L550 ElimStorePlain]: Start of recursive call 300: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:22,744 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:22,744 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 185 treesize of output 68 [2021-07-09 18:02:22,746 INFO L550 ElimStorePlain]: Start of recursive call 301: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:22,841 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:22,842 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 170 treesize of output 57 [2021-07-09 18:02:22,843 INFO L550 ElimStorePlain]: Start of recursive call 302: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:22,947 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:22,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-07-09 18:02:22,950 INFO L550 ElimStorePlain]: Start of recursive call 303: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:23,062 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:23,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-07-09 18:02:23,063 INFO L550 ElimStorePlain]: Start of recursive call 304: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:23,160 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:23,160 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 [2021-07-09 18:02:23,161 INFO L550 ElimStorePlain]: Start of recursive call 305: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:23,269 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:23,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:02:23,271 INFO L550 ElimStorePlain]: Start of recursive call 306: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:23,378 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:23,378 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 [2021-07-09 18:02:23,379 INFO L550 ElimStorePlain]: Start of recursive call 307: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:23,486 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:23,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:02:23,488 INFO L550 ElimStorePlain]: Start of recursive call 308: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:23,596 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:23,597 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 [2021-07-09 18:02:23,598 INFO L550 ElimStorePlain]: Start of recursive call 309: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:23,708 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:23,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 69 [2021-07-09 18:02:23,710 INFO L550 ElimStorePlain]: Start of recursive call 310: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:23,820 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:23,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-07-09 18:02:23,822 INFO L550 ElimStorePlain]: Start of recursive call 311: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:23,934 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:23,934 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 170 treesize of output 67 [2021-07-09 18:02:23,935 INFO L550 ElimStorePlain]: Start of recursive call 312: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:24,053 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:24,053 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 175 treesize of output 66 [2021-07-09 18:02:24,055 INFO L550 ElimStorePlain]: Start of recursive call 313: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:24,172 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:24,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:02:24,174 INFO L550 ElimStorePlain]: Start of recursive call 314: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:24,288 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:24,288 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 170 treesize of output 65 [2021-07-09 18:02:24,289 INFO L550 ElimStorePlain]: Start of recursive call 315: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:24,404 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:24,405 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 165 treesize of output 66 [2021-07-09 18:02:24,406 INFO L550 ElimStorePlain]: Start of recursive call 316: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:24,511 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:24,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:02:24,513 INFO L550 ElimStorePlain]: Start of recursive call 317: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:24,635 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:24,635 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 165 treesize of output 64 [2021-07-09 18:02:24,636 INFO L550 ElimStorePlain]: Start of recursive call 318: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:24,755 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:24,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:02:24,758 INFO L550 ElimStorePlain]: Start of recursive call 319: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:24,879 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:24,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 61 [2021-07-09 18:02:24,880 INFO L550 ElimStorePlain]: Start of recursive call 320: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:24,989 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:24,989 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 170 treesize of output 57 [2021-07-09 18:02:24,990 INFO L550 ElimStorePlain]: Start of recursive call 321: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:25,100 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:25,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:02:25,101 INFO L550 ElimStorePlain]: Start of recursive call 322: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:25,214 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:25,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:02:25,216 INFO L550 ElimStorePlain]: Start of recursive call 323: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:25,326 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:25,326 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 158 treesize of output 57 [2021-07-09 18:02:25,327 INFO L550 ElimStorePlain]: Start of recursive call 324: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:25,434 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:25,435 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 153 treesize of output 56 [2021-07-09 18:02:25,436 INFO L550 ElimStorePlain]: Start of recursive call 325: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:25,563 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:25,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:02:25,565 INFO L550 ElimStorePlain]: Start of recursive call 326: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:25,687 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:25,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-07-09 18:02:25,689 INFO L550 ElimStorePlain]: Start of recursive call 327: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:25,811 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:25,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 61 [2021-07-09 18:02:25,812 INFO L550 ElimStorePlain]: Start of recursive call 328: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:25,924 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:25,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 163 treesize of output 58 [2021-07-09 18:02:25,926 INFO L550 ElimStorePlain]: Start of recursive call 329: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:26,057 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:26,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 69 [2021-07-09 18:02:26,059 INFO L550 ElimStorePlain]: Start of recursive call 330: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:26,171 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:26,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 165 treesize of output 56 [2021-07-09 18:02:26,173 INFO L550 ElimStorePlain]: Start of recursive call 331: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:26,301 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:26,302 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 145 treesize of output 62 [2021-07-09 18:02:26,303 INFO L550 ElimStorePlain]: Start of recursive call 332: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:26,436 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:26,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-07-09 18:02:26,438 INFO L550 ElimStorePlain]: Start of recursive call 333: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:26,566 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:26,566 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 170 treesize of output 65 [2021-07-09 18:02:26,567 INFO L550 ElimStorePlain]: Start of recursive call 334: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:26,696 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:26,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-07-09 18:02:26,698 INFO L550 ElimStorePlain]: Start of recursive call 335: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:26,826 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:26,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:02:26,828 INFO L550 ElimStorePlain]: Start of recursive call 336: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:26,957 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:26,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:02:26,959 INFO L550 ElimStorePlain]: Start of recursive call 337: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:27,093 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:27,093 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 175 treesize of output 66 [2021-07-09 18:02:27,094 INFO L550 ElimStorePlain]: Start of recursive call 338: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:27,228 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:27,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 67 [2021-07-09 18:02:27,230 INFO L550 ElimStorePlain]: Start of recursive call 339: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:27,350 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:27,350 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 158 treesize of output 57 [2021-07-09 18:02:27,352 INFO L550 ElimStorePlain]: Start of recursive call 340: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:27,472 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:27,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 165 treesize of output 56 [2021-07-09 18:02:27,473 INFO L550 ElimStorePlain]: Start of recursive call 341: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:27,606 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:27,606 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 150 treesize of output 61 [2021-07-09 18:02:27,607 INFO L550 ElimStorePlain]: Start of recursive call 342: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:27,740 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:27,740 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 165 treesize of output 66 [2021-07-09 18:02:27,742 INFO L550 ElimStorePlain]: Start of recursive call 343: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:27,874 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:27,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-07-09 18:02:27,875 INFO L550 ElimStorePlain]: Start of recursive call 344: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:28,014 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:28,015 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 165 treesize of output 64 [2021-07-09 18:02:28,016 INFO L550 ElimStorePlain]: Start of recursive call 345: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:28,155 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:28,155 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 155 treesize of output 62 [2021-07-09 18:02:28,156 INFO L550 ElimStorePlain]: Start of recursive call 346: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:28,296 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:28,296 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 150 treesize of output 61 [2021-07-09 18:02:28,298 INFO L550 ElimStorePlain]: Start of recursive call 347: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:28,420 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:28,420 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 150 treesize of output 53 [2021-07-09 18:02:28,421 INFO L550 ElimStorePlain]: Start of recursive call 348: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:28,545 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:28,545 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 173 treesize of output 60 [2021-07-09 18:02:28,546 INFO L550 ElimStorePlain]: Start of recursive call 349: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:28,684 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:28,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 67 [2021-07-09 18:02:28,686 INFO L550 ElimStorePlain]: Start of recursive call 350: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:28,811 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:28,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 165 treesize of output 56 [2021-07-09 18:02:28,813 INFO L550 ElimStorePlain]: Start of recursive call 351: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:28,952 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:28,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-07-09 18:02:28,954 INFO L550 ElimStorePlain]: Start of recursive call 352: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:29,096 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:29,096 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 165 treesize of output 66 [2021-07-09 18:02:29,097 INFO L550 ElimStorePlain]: Start of recursive call 353: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:29,244 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:29,244 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 155 treesize of output 62 [2021-07-09 18:02:29,246 INFO L550 ElimStorePlain]: Start of recursive call 354: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:29,388 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:29,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:02:29,390 INFO L550 ElimStorePlain]: Start of recursive call 355: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:29,538 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:29,539 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 175 treesize of output 66 [2021-07-09 18:02:29,540 INFO L550 ElimStorePlain]: Start of recursive call 356: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:29,687 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:29,687 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 165 treesize of output 64 [2021-07-09 18:02:29,689 INFO L550 ElimStorePlain]: Start of recursive call 357: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:29,821 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:29,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:02:29,823 INFO L550 ElimStorePlain]: Start of recursive call 358: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:29,968 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:29,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-07-09 18:02:29,971 INFO L550 ElimStorePlain]: Start of recursive call 359: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:30,101 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:30,101 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 175 treesize of output 58 [2021-07-09 18:02:30,102 INFO L550 ElimStorePlain]: Start of recursive call 360: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:30,247 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:30,247 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 175 treesize of output 66 [2021-07-09 18:02:30,248 INFO L550 ElimStorePlain]: Start of recursive call 361: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:30,395 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:30,395 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 160 treesize of output 65 [2021-07-09 18:02:30,396 INFO L550 ElimStorePlain]: Start of recursive call 362: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:30,547 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:30,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 145 treesize of output 60 [2021-07-09 18:02:30,548 INFO L550 ElimStorePlain]: Start of recursive call 363: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:30,685 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:30,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 160 treesize of output 55 [2021-07-09 18:02:30,688 INFO L550 ElimStorePlain]: Start of recursive call 364: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:30,838 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:30,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-07-09 18:02:30,841 INFO L550 ElimStorePlain]: Start of recursive call 365: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:30,974 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:30,975 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 160 treesize of output 55 [2021-07-09 18:02:30,976 INFO L550 ElimStorePlain]: Start of recursive call 366: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:31,125 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:31,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:02:31,127 INFO L550 ElimStorePlain]: Start of recursive call 367: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:31,276 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:31,276 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 165 treesize of output 64 [2021-07-09 18:02:31,278 INFO L550 ElimStorePlain]: Start of recursive call 368: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:31,429 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:31,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-07-09 18:02:31,431 INFO L550 ElimStorePlain]: Start of recursive call 369: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:31,585 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:31,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-07-09 18:02:31,587 INFO L550 ElimStorePlain]: Start of recursive call 370: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:31,739 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:31,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-07-09 18:02:31,741 INFO L550 ElimStorePlain]: Start of recursive call 371: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:31,891 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:31,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-07-09 18:02:31,892 INFO L550 ElimStorePlain]: Start of recursive call 372: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:32,044 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:32,044 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 160 treesize of output 63 [2021-07-09 18:02:32,045 INFO L550 ElimStorePlain]: Start of recursive call 373: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:32,197 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:32,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:02:32,199 INFO L550 ElimStorePlain]: Start of recursive call 374: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:32,358 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:32,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 185 treesize of output 68 [2021-07-09 18:02:32,360 INFO L550 ElimStorePlain]: Start of recursive call 375: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:32,512 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:32,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:02:32,513 INFO L550 ElimStorePlain]: Start of recursive call 376: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:32,653 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:32,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:02:32,655 INFO L550 ElimStorePlain]: Start of recursive call 377: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:32,810 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:32,810 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 170 treesize of output 67 [2021-07-09 18:02:32,812 INFO L550 ElimStorePlain]: Start of recursive call 378: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:32,967 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:32,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 68 [2021-07-09 18:02:32,969 INFO L550 ElimStorePlain]: Start of recursive call 379: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:33,112 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:33,113 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 180 treesize of output 59 [2021-07-09 18:02:33,114 INFO L550 ElimStorePlain]: Start of recursive call 380: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:33,270 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:33,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:02:33,271 INFO L550 ElimStorePlain]: Start of recursive call 381: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:33,449 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:33,450 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 [2021-07-09 18:02:33,452 INFO L550 ElimStorePlain]: Start of recursive call 382: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:33,615 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:33,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:02:33,617 INFO L550 ElimStorePlain]: Start of recursive call 383: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:33,759 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:33,760 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 185 treesize of output 60 [2021-07-09 18:02:33,761 INFO L550 ElimStorePlain]: Start of recursive call 384: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:33,904 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:33,905 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 168 treesize of output 59 [2021-07-09 18:02:33,906 INFO L550 ElimStorePlain]: Start of recursive call 385: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:34,051 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:34,051 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 155 treesize of output 54 [2021-07-09 18:02:34,053 INFO L550 ElimStorePlain]: Start of recursive call 386: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:34,199 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:34,199 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 180 treesize of output 59 [2021-07-09 18:02:34,201 INFO L550 ElimStorePlain]: Start of recursive call 387: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:34,367 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:34,368 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 175 treesize of output 66 [2021-07-09 18:02:34,369 INFO L550 ElimStorePlain]: Start of recursive call 388: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:34,517 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:34,517 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 163 treesize of output 56 [2021-07-09 18:02:34,518 INFO L550 ElimStorePlain]: Start of recursive call 389: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:34,681 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:34,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:02:34,683 INFO L550 ElimStorePlain]: Start of recursive call 390: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:34,845 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:34,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:02:34,847 INFO L550 ElimStorePlain]: Start of recursive call 391: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:35,009 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:35,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:02:35,011 INFO L550 ElimStorePlain]: Start of recursive call 392: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:35,160 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:35,160 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 148 treesize of output 53 [2021-07-09 18:02:35,161 INFO L550 ElimStorePlain]: Start of recursive call 393: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:35,311 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:35,312 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 163 treesize of output 58 [2021-07-09 18:02:35,313 INFO L550 ElimStorePlain]: Start of recursive call 394: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:35,479 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:35,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:02:35,481 INFO L550 ElimStorePlain]: Start of recursive call 395: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:35,652 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:35,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:02:35,653 INFO L550 ElimStorePlain]: Start of recursive call 396: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:35,817 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:35,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:02:35,819 INFO L550 ElimStorePlain]: Start of recursive call 397: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:35,989 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:35,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-07-09 18:02:35,991 INFO L550 ElimStorePlain]: Start of recursive call 398: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:36,154 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:36,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-07-09 18:02:36,156 INFO L550 ElimStorePlain]: Start of recursive call 399: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:36,324 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:36,324 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 155 treesize of output 64 [2021-07-09 18:02:36,325 INFO L550 ElimStorePlain]: Start of recursive call 400: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:36,475 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:36,476 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 165 treesize of output 56 [2021-07-09 18:02:36,477 INFO L550 ElimStorePlain]: Start of recursive call 401: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:36,645 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:36,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:02:36,647 INFO L550 ElimStorePlain]: Start of recursive call 402: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:36,816 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:36,816 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 160 treesize of output 63 [2021-07-09 18:02:36,817 INFO L550 ElimStorePlain]: Start of recursive call 403: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:36,983 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:36,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:02:36,985 INFO L550 ElimStorePlain]: Start of recursive call 404: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:37,152 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:37,152 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 [2021-07-09 18:02:37,153 INFO L550 ElimStorePlain]: Start of recursive call 405: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:37,323 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:37,324 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 175 treesize of output 68 [2021-07-09 18:02:37,325 INFO L550 ElimStorePlain]: Start of recursive call 406: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:37,482 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:37,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 155 treesize of output 54 [2021-07-09 18:02:37,484 INFO L550 ElimStorePlain]: Start of recursive call 407: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:37,642 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:37,643 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 160 treesize of output 55 [2021-07-09 18:02:37,645 INFO L550 ElimStorePlain]: Start of recursive call 408: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:37,817 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:37,817 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 160 treesize of output 63 [2021-07-09 18:02:37,819 INFO L550 ElimStorePlain]: Start of recursive call 409: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:37,978 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:37,978 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 190 treesize of output 61 [2021-07-09 18:02:37,980 INFO L550 ElimStorePlain]: Start of recursive call 410: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:38,156 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:38,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-07-09 18:02:38,157 INFO L550 ElimStorePlain]: Start of recursive call 411: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:38,318 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:38,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 170 treesize of output 57 [2021-07-09 18:02:38,319 INFO L550 ElimStorePlain]: Start of recursive call 412: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:38,494 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:38,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-07-09 18:02:38,495 INFO L550 ElimStorePlain]: Start of recursive call 413: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:38,668 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:38,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:02:38,669 INFO L550 ElimStorePlain]: Start of recursive call 414: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:38,830 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:38,830 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 178 treesize of output 59 [2021-07-09 18:02:38,831 INFO L550 ElimStorePlain]: Start of recursive call 415: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:38,991 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:38,992 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 175 treesize of output 58 [2021-07-09 18:02:38,993 INFO L550 ElimStorePlain]: Start of recursive call 416: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:39,169 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:39,169 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 155 treesize of output 62 [2021-07-09 18:02:39,171 INFO L550 ElimStorePlain]: Start of recursive call 417: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:39,345 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:39,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:02:39,346 INFO L550 ElimStorePlain]: Start of recursive call 418: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:39,522 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:39,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-07-09 18:02:39,523 INFO L550 ElimStorePlain]: Start of recursive call 419: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:39,703 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:39,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-07-09 18:02:39,705 INFO L550 ElimStorePlain]: Start of recursive call 420: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:39,881 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:39,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:02:39,883 INFO L550 ElimStorePlain]: Start of recursive call 421: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:40,063 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:40,063 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 160 treesize of output 65 [2021-07-09 18:02:40,064 INFO L550 ElimStorePlain]: Start of recursive call 422: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:40,251 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:40,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-07-09 18:02:40,253 INFO L550 ElimStorePlain]: Start of recursive call 423: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:40,429 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:40,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-07-09 18:02:40,431 INFO L550 ElimStorePlain]: Start of recursive call 424: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:40,595 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:40,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 175 treesize of output 58 [2021-07-09 18:02:40,596 INFO L550 ElimStorePlain]: Start of recursive call 425: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:40,776 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:40,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:02:40,778 INFO L550 ElimStorePlain]: Start of recursive call 426: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:40,963 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:40,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-07-09 18:02:40,965 INFO L550 ElimStorePlain]: Start of recursive call 427: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:41,149 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:41,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:02:41,150 INFO L550 ElimStorePlain]: Start of recursive call 428: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:41,316 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:41,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 180 treesize of output 59 [2021-07-09 18:02:41,318 INFO L550 ElimStorePlain]: Start of recursive call 429: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:41,499 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:41,499 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 160 treesize of output 63 [2021-07-09 18:02:41,500 INFO L550 ElimStorePlain]: Start of recursive call 430: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:41,680 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:41,681 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 165 treesize of output 66 [2021-07-09 18:02:41,682 INFO L550 ElimStorePlain]: Start of recursive call 431: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:41,861 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:41,861 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 160 treesize of output 65 [2021-07-09 18:02:41,863 INFO L550 ElimStorePlain]: Start of recursive call 432: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:42,045 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:42,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 145 treesize of output 60 [2021-07-09 18:02:42,047 INFO L550 ElimStorePlain]: Start of recursive call 433: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:42,229 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:42,229 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 160 treesize of output 63 [2021-07-09 18:02:42,230 INFO L550 ElimStorePlain]: Start of recursive call 434: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:42,416 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:42,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-07-09 18:02:42,417 INFO L550 ElimStorePlain]: Start of recursive call 435: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:42,602 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:42,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-07-09 18:02:42,604 INFO L550 ElimStorePlain]: Start of recursive call 436: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:42,787 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:42,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-07-09 18:02:42,788 INFO L550 ElimStorePlain]: Start of recursive call 437: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:42,958 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:42,958 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 165 treesize of output 56 [2021-07-09 18:02:42,960 INFO L550 ElimStorePlain]: Start of recursive call 438: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:43,147 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:43,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-07-09 18:02:43,148 INFO L550 ElimStorePlain]: Start of recursive call 439: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:43,332 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:43,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-07-09 18:02:43,334 INFO L550 ElimStorePlain]: Start of recursive call 440: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:43,518 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:43,519 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 [2021-07-09 18:02:43,520 INFO L550 ElimStorePlain]: Start of recursive call 441: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:43,706 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:43,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:02:43,709 INFO L550 ElimStorePlain]: Start of recursive call 442: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:43,897 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:43,897 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 165 treesize of output 64 [2021-07-09 18:02:43,898 INFO L550 ElimStorePlain]: Start of recursive call 443: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:44,084 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:44,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:02:44,086 INFO L550 ElimStorePlain]: Start of recursive call 444: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:44,270 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:44,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:02:44,272 INFO L550 ElimStorePlain]: Start of recursive call 445: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:44,456 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:44,456 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 170 treesize of output 65 [2021-07-09 18:02:44,458 INFO L550 ElimStorePlain]: Start of recursive call 446: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:44,712 INFO L244 Elim1Store]: Index analysis took 149 ms [2021-07-09 18:02:44,723 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:44,723 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 168 treesize of output 57 [2021-07-09 18:02:44,724 INFO L550 ElimStorePlain]: Start of recursive call 447: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:44,799 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:44,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:02:44,801 INFO L550 ElimStorePlain]: Start of recursive call 448: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:44,875 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:44,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:02:44,877 INFO L550 ElimStorePlain]: Start of recursive call 449: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:44,951 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:44,951 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 155 treesize of output 62 [2021-07-09 18:02:44,953 INFO L550 ElimStorePlain]: Start of recursive call 450: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:45,031 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:45,031 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 170 treesize of output 67 [2021-07-09 18:02:45,032 INFO L550 ElimStorePlain]: Start of recursive call 451: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:45,108 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:45,108 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 160 treesize of output 65 [2021-07-09 18:02:45,110 INFO L550 ElimStorePlain]: Start of recursive call 452: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:45,186 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:45,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-07-09 18:02:45,188 INFO L550 ElimStorePlain]: Start of recursive call 453: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:45,267 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:45,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-07-09 18:02:45,269 INFO L550 ElimStorePlain]: Start of recursive call 454: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:45,348 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:45,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:02:45,350 INFO L550 ElimStorePlain]: Start of recursive call 455: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:45,431 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:45,431 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 [2021-07-09 18:02:45,433 INFO L550 ElimStorePlain]: Start of recursive call 456: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:45,499 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:45,499 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 168 treesize of output 57 [2021-07-09 18:02:45,500 INFO L550 ElimStorePlain]: Start of recursive call 457: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:45,562 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:45,563 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 175 treesize of output 58 [2021-07-09 18:02:45,564 INFO L550 ElimStorePlain]: Start of recursive call 458: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:45,640 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:45,640 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 65 [2021-07-09 18:02:45,642 INFO L550 ElimStorePlain]: Start of recursive call 459: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:45,711 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:45,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 168 treesize of output 59 [2021-07-09 18:02:45,712 INFO L550 ElimStorePlain]: Start of recursive call 460: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:45,782 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:45,783 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 155 treesize of output 54 [2021-07-09 18:02:45,784 INFO L550 ElimStorePlain]: Start of recursive call 461: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:45,867 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:45,867 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 165 treesize of output 64 [2021-07-09 18:02:45,868 INFO L550 ElimStorePlain]: Start of recursive call 462: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:45,950 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:45,951 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 [2021-07-09 18:02:45,952 INFO L550 ElimStorePlain]: Start of recursive call 463: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:46,035 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:46,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:02:46,036 INFO L550 ElimStorePlain]: Start of recursive call 464: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:46,120 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:46,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-07-09 18:02:46,122 INFO L550 ElimStorePlain]: Start of recursive call 465: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:46,208 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:46,208 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 180 treesize of output 67 [2021-07-09 18:02:46,210 INFO L550 ElimStorePlain]: Start of recursive call 466: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:46,297 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:46,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:02:46,299 INFO L550 ElimStorePlain]: Start of recursive call 467: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:46,386 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:46,386 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 155 treesize of output 62 [2021-07-09 18:02:46,388 INFO L550 ElimStorePlain]: Start of recursive call 468: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:46,479 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:46,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-07-09 18:02:46,481 INFO L550 ElimStorePlain]: Start of recursive call 469: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:46,570 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:46,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:02:46,572 INFO L550 ElimStorePlain]: Start of recursive call 470: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:46,660 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:46,661 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 180 treesize of output 67 [2021-07-09 18:02:46,662 INFO L550 ElimStorePlain]: Start of recursive call 471: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:46,737 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:46,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:02:46,739 INFO L550 ElimStorePlain]: Start of recursive call 472: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:46,827 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:46,827 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 165 treesize of output 64 [2021-07-09 18:02:46,829 INFO L550 ElimStorePlain]: Start of recursive call 473: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:46,917 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:46,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:02:46,919 INFO L550 ElimStorePlain]: Start of recursive call 474: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:47,006 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:47,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:02:47,008 INFO L550 ElimStorePlain]: Start of recursive call 475: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:47,085 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:47,085 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 153 treesize of output 54 [2021-07-09 18:02:47,086 INFO L550 ElimStorePlain]: Start of recursive call 476: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:47,176 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:47,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-07-09 18:02:47,178 INFO L550 ElimStorePlain]: Start of recursive call 477: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:47,257 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:47,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:02:47,259 INFO L550 ElimStorePlain]: Start of recursive call 478: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:47,355 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:47,355 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 [2021-07-09 18:02:47,356 INFO L550 ElimStorePlain]: Start of recursive call 479: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:47,448 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:47,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 61 [2021-07-09 18:02:47,450 INFO L550 ElimStorePlain]: Start of recursive call 480: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:47,534 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:47,534 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 178 treesize of output 61 [2021-07-09 18:02:47,536 INFO L550 ElimStorePlain]: Start of recursive call 481: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:47,627 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:47,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-07-09 18:02:47,629 INFO L550 ElimStorePlain]: Start of recursive call 482: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:47,721 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:47,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-07-09 18:02:47,723 INFO L550 ElimStorePlain]: Start of recursive call 483: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:47,818 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:47,819 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 160 treesize of output 63 [2021-07-09 18:02:47,821 INFO L550 ElimStorePlain]: Start of recursive call 484: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:47,920 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:47,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 63 [2021-07-09 18:02:47,922 INFO L550 ElimStorePlain]: Start of recursive call 485: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:48,016 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:48,017 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 155 treesize of output 64 [2021-07-09 18:02:48,018 INFO L550 ElimStorePlain]: Start of recursive call 486: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:48,118 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:48,118 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 160 treesize of output 65 [2021-07-09 18:02:48,120 INFO L550 ElimStorePlain]: Start of recursive call 487: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:48,218 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:48,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:02:48,219 INFO L550 ElimStorePlain]: Start of recursive call 488: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:48,315 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:48,315 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 145 treesize of output 60 [2021-07-09 18:02:48,317 INFO L550 ElimStorePlain]: Start of recursive call 489: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:48,409 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:48,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 153 treesize of output 56 [2021-07-09 18:02:48,411 INFO L550 ElimStorePlain]: Start of recursive call 490: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:48,520 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:48,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:02:48,522 INFO L550 ElimStorePlain]: Start of recursive call 491: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:48,626 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:48,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-07-09 18:02:48,627 INFO L550 ElimStorePlain]: Start of recursive call 492: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:48,727 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:48,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:02:48,729 INFO L550 ElimStorePlain]: Start of recursive call 493: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:48,832 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:48,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-07-09 18:02:48,834 INFO L550 ElimStorePlain]: Start of recursive call 494: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:48,939 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:48,939 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 170 treesize of output 67 [2021-07-09 18:02:48,940 INFO L550 ElimStorePlain]: Start of recursive call 495: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:49,041 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:49,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-07-09 18:02:49,043 INFO L550 ElimStorePlain]: Start of recursive call 496: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:49,143 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:49,143 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 155 treesize of output 62 [2021-07-09 18:02:49,145 INFO L550 ElimStorePlain]: Start of recursive call 497: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:49,235 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:49,235 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 175 treesize of output 58 [2021-07-09 18:02:49,237 INFO L550 ElimStorePlain]: Start of recursive call 498: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:49,347 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:49,347 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 170 treesize of output 65 [2021-07-09 18:02:49,349 INFO L550 ElimStorePlain]: Start of recursive call 499: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:49,448 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:49,448 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 185 treesize of output 60 [2021-07-09 18:02:49,450 INFO L550 ElimStorePlain]: Start of recursive call 500: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:49,561 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:49,561 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 155 treesize of output 62 [2021-07-09 18:02:49,563 INFO L550 ElimStorePlain]: Start of recursive call 501: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:49,674 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:49,674 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 160 treesize of output 65 [2021-07-09 18:02:49,675 INFO L550 ElimStorePlain]: Start of recursive call 502: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:49,782 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:49,782 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 160 treesize of output 63 [2021-07-09 18:02:49,783 INFO L550 ElimStorePlain]: Start of recursive call 503: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:49,877 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:49,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 180 treesize of output 59 [2021-07-09 18:02:49,879 INFO L550 ElimStorePlain]: Start of recursive call 504: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:49,986 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:49,987 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 180 treesize of output 67 [2021-07-09 18:02:49,988 INFO L550 ElimStorePlain]: Start of recursive call 505: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:50,096 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:50,096 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 170 treesize of output 65 [2021-07-09 18:02:50,097 INFO L550 ElimStorePlain]: Start of recursive call 506: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:50,203 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:50,203 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 165 treesize of output 64 [2021-07-09 18:02:50,204 INFO L550 ElimStorePlain]: Start of recursive call 507: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:50,309 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:50,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-07-09 18:02:50,311 INFO L550 ElimStorePlain]: Start of recursive call 508: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:50,404 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:50,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:02:50,406 INFO L550 ElimStorePlain]: Start of recursive call 509: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:50,507 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:50,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:02:50,509 INFO L550 ElimStorePlain]: Start of recursive call 510: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:50,615 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:50,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:02:50,617 INFO L550 ElimStorePlain]: Start of recursive call 511: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:50,724 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:50,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-07-09 18:02:50,725 INFO L550 ElimStorePlain]: Start of recursive call 512: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:50,832 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:50,833 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 155 treesize of output 64 [2021-07-09 18:02:50,834 INFO L550 ElimStorePlain]: Start of recursive call 513: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:50,945 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:50,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:02:50,947 INFO L550 ElimStorePlain]: Start of recursive call 514: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:51,057 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:51,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 61 [2021-07-09 18:02:51,058 INFO L550 ElimStorePlain]: Start of recursive call 515: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:51,155 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:51,155 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 180 treesize of output 59 [2021-07-09 18:02:51,157 INFO L550 ElimStorePlain]: Start of recursive call 516: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:51,255 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:51,256 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 143 treesize of output 52 [2021-07-09 18:02:51,257 INFO L550 ElimStorePlain]: Start of recursive call 517: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:51,366 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:51,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 61 [2021-07-09 18:02:51,368 INFO L550 ElimStorePlain]: Start of recursive call 518: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:51,466 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:51,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 170 treesize of output 57 [2021-07-09 18:02:51,468 INFO L550 ElimStorePlain]: Start of recursive call 519: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:51,578 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:51,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 61 [2021-07-09 18:02:51,580 INFO L550 ElimStorePlain]: Start of recursive call 520: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:51,693 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:51,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-07-09 18:02:51,694 INFO L550 ElimStorePlain]: Start of recursive call 521: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:51,808 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:51,808 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 155 treesize of output 62 [2021-07-09 18:02:51,810 INFO L550 ElimStorePlain]: Start of recursive call 522: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:51,914 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:51,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 148 treesize of output 53 [2021-07-09 18:02:51,916 INFO L550 ElimStorePlain]: Start of recursive call 523: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:52,030 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:52,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:02:52,032 INFO L550 ElimStorePlain]: Start of recursive call 524: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:52,142 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:52,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:02:52,144 INFO L550 ElimStorePlain]: Start of recursive call 525: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:52,256 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:52,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-07-09 18:02:52,258 INFO L550 ElimStorePlain]: Start of recursive call 526: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:52,362 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:52,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:02:52,364 INFO L550 ElimStorePlain]: Start of recursive call 527: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:52,467 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:52,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:02:52,469 INFO L550 ElimStorePlain]: Start of recursive call 528: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:52,583 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:52,583 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 165 treesize of output 64 [2021-07-09 18:02:52,584 INFO L550 ElimStorePlain]: Start of recursive call 529: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:52,698 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:52,699 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 170 treesize of output 65 [2021-07-09 18:02:52,700 INFO L550 ElimStorePlain]: Start of recursive call 530: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:52,817 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:52,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:02:52,819 INFO L550 ElimStorePlain]: Start of recursive call 531: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:52,936 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:52,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-07-09 18:02:52,938 INFO L550 ElimStorePlain]: Start of recursive call 532: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:53,043 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:53,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:02:53,044 INFO L550 ElimStorePlain]: Start of recursive call 533: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:53,164 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:53,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:02:53,166 INFO L550 ElimStorePlain]: Start of recursive call 534: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:53,270 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:53,271 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 155 treesize of output 54 [2021-07-09 18:02:53,272 INFO L550 ElimStorePlain]: Start of recursive call 535: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:53,377 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:53,378 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 158 treesize of output 57 [2021-07-09 18:02:53,379 INFO L550 ElimStorePlain]: Start of recursive call 536: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:53,500 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:53,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-07-09 18:02:53,502 INFO L550 ElimStorePlain]: Start of recursive call 537: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:53,617 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:53,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:02:53,619 INFO L550 ElimStorePlain]: Start of recursive call 538: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:53,736 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:53,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-07-09 18:02:53,738 INFO L550 ElimStorePlain]: Start of recursive call 539: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:53,855 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:53,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:02:53,857 INFO L550 ElimStorePlain]: Start of recursive call 540: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:53,975 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:53,975 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 150 treesize of output 61 [2021-07-09 18:02:53,977 INFO L550 ElimStorePlain]: Start of recursive call 541: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:54,084 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:54,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:02:54,085 INFO L550 ElimStorePlain]: Start of recursive call 542: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:54,204 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:54,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:02:54,205 INFO L550 ElimStorePlain]: Start of recursive call 543: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:54,324 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:54,324 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 175 treesize of output 66 [2021-07-09 18:02:54,326 INFO L550 ElimStorePlain]: Start of recursive call 544: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:54,450 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:54,450 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 160 treesize of output 63 [2021-07-09 18:02:54,452 INFO L550 ElimStorePlain]: Start of recursive call 545: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:54,572 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:54,572 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 66 [2021-07-09 18:02:54,574 INFO L550 ElimStorePlain]: Start of recursive call 546: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:54,696 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:54,696 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 165 treesize of output 64 [2021-07-09 18:02:54,697 INFO L550 ElimStorePlain]: Start of recursive call 547: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:54,810 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:54,810 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 185 treesize of output 60 [2021-07-09 18:02:54,811 INFO L550 ElimStorePlain]: Start of recursive call 548: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:54,922 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:54,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:02:54,923 INFO L550 ElimStorePlain]: Start of recursive call 549: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:55,048 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:55,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-07-09 18:02:55,050 INFO L550 ElimStorePlain]: Start of recursive call 550: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:55,177 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:55,178 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 170 treesize of output 65 [2021-07-09 18:02:55,179 INFO L550 ElimStorePlain]: Start of recursive call 551: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:55,291 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:55,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:02:55,292 INFO L550 ElimStorePlain]: Start of recursive call 552: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:55,414 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:55,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:02:55,415 INFO L550 ElimStorePlain]: Start of recursive call 553: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:55,537 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:55,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-07-09 18:02:55,539 INFO L550 ElimStorePlain]: Start of recursive call 554: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:55,662 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:55,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-07-09 18:02:55,664 INFO L550 ElimStorePlain]: Start of recursive call 555: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:55,788 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:55,788 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 [2021-07-09 18:02:55,789 INFO L550 ElimStorePlain]: Start of recursive call 556: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:55,913 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:55,913 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 175 treesize of output 68 [2021-07-09 18:02:55,915 INFO L550 ElimStorePlain]: Start of recursive call 557: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:56,039 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:56,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-07-09 18:02:56,041 INFO L550 ElimStorePlain]: Start of recursive call 558: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:56,165 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:56,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-07-09 18:02:56,167 INFO L550 ElimStorePlain]: Start of recursive call 559: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:56,277 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:56,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:02:56,279 INFO L550 ElimStorePlain]: Start of recursive call 560: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:56,391 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:56,391 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 185 treesize of output 60 [2021-07-09 18:02:56,392 INFO L550 ElimStorePlain]: Start of recursive call 561: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:56,518 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:56,518 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 170 treesize of output 65 [2021-07-09 18:02:56,519 INFO L550 ElimStorePlain]: Start of recursive call 562: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:56,644 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:56,644 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 170 treesize of output 65 [2021-07-09 18:02:56,646 INFO L550 ElimStorePlain]: Start of recursive call 563: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:56,770 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:56,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-07-09 18:02:56,772 INFO L550 ElimStorePlain]: Start of recursive call 564: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:56,898 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:56,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-07-09 18:02:56,900 INFO L550 ElimStorePlain]: Start of recursive call 565: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:57,014 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:57,014 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 160 treesize of output 55 [2021-07-09 18:02:57,016 INFO L550 ElimStorePlain]: Start of recursive call 566: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:57,130 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:57,130 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 155 treesize of output 54 [2021-07-09 18:02:57,132 INFO L550 ElimStorePlain]: Start of recursive call 567: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:57,260 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:57,260 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 66 [2021-07-09 18:02:57,262 INFO L550 ElimStorePlain]: Start of recursive call 568: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:57,390 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:57,390 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 170 treesize of output 65 [2021-07-09 18:02:57,392 INFO L550 ElimStorePlain]: Start of recursive call 569: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:57,523 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:57,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-07-09 18:02:57,525 INFO L550 ElimStorePlain]: Start of recursive call 570: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:57,653 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:57,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:02:57,656 INFO L550 ElimStorePlain]: Start of recursive call 571: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:57,784 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:57,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:02:57,785 INFO L550 ElimStorePlain]: Start of recursive call 572: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:57,916 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:57,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-07-09 18:02:57,918 INFO L550 ElimStorePlain]: Start of recursive call 573: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:58,049 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:58,050 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 160 treesize of output 63 [2021-07-09 18:02:58,051 INFO L550 ElimStorePlain]: Start of recursive call 574: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:58,181 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:58,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-07-09 18:02:58,183 INFO L550 ElimStorePlain]: Start of recursive call 575: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:58,299 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:58,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 170 treesize of output 57 [2021-07-09 18:02:58,301 INFO L550 ElimStorePlain]: Start of recursive call 576: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:58,432 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:58,433 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 170 treesize of output 65 [2021-07-09 18:02:58,434 INFO L550 ElimStorePlain]: Start of recursive call 577: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:58,565 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:58,565 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 [2021-07-09 18:02:58,567 INFO L550 ElimStorePlain]: Start of recursive call 578: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:58,697 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:58,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-07-09 18:02:58,699 INFO L550 ElimStorePlain]: Start of recursive call 579: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:58,820 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:58,820 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 168 treesize of output 59 [2021-07-09 18:02:58,821 INFO L550 ElimStorePlain]: Start of recursive call 580: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:58,952 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:58,952 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 165 treesize of output 66 [2021-07-09 18:02:58,953 INFO L550 ElimStorePlain]: Start of recursive call 581: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:59,085 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:59,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:02:59,087 INFO L550 ElimStorePlain]: Start of recursive call 582: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:59,219 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:59,220 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 150 treesize of output 63 [2021-07-09 18:02:59,222 INFO L550 ElimStorePlain]: Start of recursive call 583: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:59,342 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:59,342 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 195 treesize of output 62 [2021-07-09 18:02:59,344 INFO L550 ElimStorePlain]: Start of recursive call 584: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:59,475 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:59,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-07-09 18:02:59,477 INFO L550 ElimStorePlain]: Start of recursive call 585: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:59,600 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:59,600 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 180 treesize of output 59 [2021-07-09 18:02:59,601 INFO L550 ElimStorePlain]: Start of recursive call 586: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:59,733 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:59,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-07-09 18:02:59,735 INFO L550 ElimStorePlain]: Start of recursive call 587: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:59,867 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:02:59,867 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 170 treesize of output 65 [2021-07-09 18:02:59,869 INFO L550 ElimStorePlain]: Start of recursive call 588: End of recursive call: and 1 xjuncts. [2021-07-09 18:02:59,991 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:02:59,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 168 treesize of output 59 [2021-07-09 18:02:59,992 INFO L550 ElimStorePlain]: Start of recursive call 589: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:00,127 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:00,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:03:00,128 INFO L550 ElimStorePlain]: Start of recursive call 590: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:00,251 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:00,252 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 175 treesize of output 58 [2021-07-09 18:03:00,253 INFO L550 ElimStorePlain]: Start of recursive call 591: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:00,389 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:00,390 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 [2021-07-09 18:03:00,391 INFO L550 ElimStorePlain]: Start of recursive call 592: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:00,515 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:00,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:03:00,516 INFO L550 ElimStorePlain]: Start of recursive call 593: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:00,639 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:00,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 165 treesize of output 56 [2021-07-09 18:03:00,641 INFO L550 ElimStorePlain]: Start of recursive call 594: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:00,774 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:00,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:03:00,775 INFO L550 ElimStorePlain]: Start of recursive call 595: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:00,908 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:00,908 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 165 treesize of output 64 [2021-07-09 18:03:00,910 INFO L550 ElimStorePlain]: Start of recursive call 596: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:01,031 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:01,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:03:01,033 INFO L550 ElimStorePlain]: Start of recursive call 597: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:01,167 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:01,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:03:01,169 INFO L550 ElimStorePlain]: Start of recursive call 598: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:01,306 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:01,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-07-09 18:03:01,308 INFO L550 ElimStorePlain]: Start of recursive call 599: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:01,443 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:01,443 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 150 treesize of output 61 [2021-07-09 18:03:01,444 INFO L550 ElimStorePlain]: Start of recursive call 600: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:01,570 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:01,570 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 158 treesize of output 57 [2021-07-09 18:03:01,571 INFO L550 ElimStorePlain]: Start of recursive call 601: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:01,696 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:01,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 175 treesize of output 58 [2021-07-09 18:03:01,698 INFO L550 ElimStorePlain]: Start of recursive call 602: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:01,837 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:01,837 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 150 treesize of output 63 [2021-07-09 18:03:01,838 INFO L550 ElimStorePlain]: Start of recursive call 603: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:01,975 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:01,975 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 150 treesize of output 61 [2021-07-09 18:03:01,977 INFO L550 ElimStorePlain]: Start of recursive call 604: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:02,114 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:02,114 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 160 treesize of output 65 [2021-07-09 18:03:02,116 INFO L550 ElimStorePlain]: Start of recursive call 605: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:02,261 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:02,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:03:02,263 INFO L550 ElimStorePlain]: Start of recursive call 606: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:02,402 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:02,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-07-09 18:03:02,403 INFO L550 ElimStorePlain]: Start of recursive call 607: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:02,527 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:02,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:03:02,529 INFO L550 ElimStorePlain]: Start of recursive call 608: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:02,665 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:02,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-07-09 18:03:02,668 INFO L550 ElimStorePlain]: Start of recursive call 609: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:02,808 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:02,808 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 170 treesize of output 67 [2021-07-09 18:03:02,810 INFO L550 ElimStorePlain]: Start of recursive call 610: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:02,949 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:02,950 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 64 [2021-07-09 18:03:02,951 INFO L550 ElimStorePlain]: Start of recursive call 611: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:03,093 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:03,093 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 [2021-07-09 18:03:03,095 INFO L550 ElimStorePlain]: Start of recursive call 612: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:03,231 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:03,231 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 65 [2021-07-09 18:03:03,232 INFO L550 ElimStorePlain]: Start of recursive call 613: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:03,376 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:03,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:03:03,378 INFO L550 ElimStorePlain]: Start of recursive call 614: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:03,521 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:03,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:03:03,523 INFO L550 ElimStorePlain]: Start of recursive call 615: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:03,663 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:03,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-07-09 18:03:03,664 INFO L550 ElimStorePlain]: Start of recursive call 616: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:03,791 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:03,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 173 treesize of output 60 [2021-07-09 18:03:03,793 INFO L550 ElimStorePlain]: Start of recursive call 617: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:03,932 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:03,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:03:03,933 INFO L550 ElimStorePlain]: Start of recursive call 618: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:04,084 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:04,084 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 155 treesize of output 64 [2021-07-09 18:03:04,086 INFO L550 ElimStorePlain]: Start of recursive call 619: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:04,222 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:04,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:03:04,223 INFO L550 ElimStorePlain]: Start of recursive call 620: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:04,349 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:04,350 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 165 treesize of output 56 [2021-07-09 18:03:04,351 INFO L550 ElimStorePlain]: Start of recursive call 621: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:04,490 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:04,490 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 155 treesize of output 62 [2021-07-09 18:03:04,491 INFO L550 ElimStorePlain]: Start of recursive call 622: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:04,636 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:04,637 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 170 treesize of output 65 [2021-07-09 18:03:04,638 INFO L550 ElimStorePlain]: Start of recursive call 623: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:04,782 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:04,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-07-09 18:03:04,783 INFO L550 ElimStorePlain]: Start of recursive call 624: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:04,923 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:04,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:03:04,925 INFO L550 ElimStorePlain]: Start of recursive call 625: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:05,066 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:05,066 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 165 treesize of output 64 [2021-07-09 18:03:05,068 INFO L550 ElimStorePlain]: Start of recursive call 626: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:05,211 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:05,211 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 160 treesize of output 63 [2021-07-09 18:03:05,213 INFO L550 ElimStorePlain]: Start of recursive call 627: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:05,356 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:05,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:03:05,357 INFO L550 ElimStorePlain]: Start of recursive call 628: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:05,499 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:05,499 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 160 treesize of output 65 [2021-07-09 18:03:05,501 INFO L550 ElimStorePlain]: Start of recursive call 629: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:05,642 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:05,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:03:05,644 INFO L550 ElimStorePlain]: Start of recursive call 630: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:05,785 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:05,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:03:05,787 INFO L550 ElimStorePlain]: Start of recursive call 631: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:05,929 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:05,929 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 170 treesize of output 67 [2021-07-09 18:03:05,931 INFO L550 ElimStorePlain]: Start of recursive call 632: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:06,061 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:06,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 165 treesize of output 56 [2021-07-09 18:03:06,062 INFO L550 ElimStorePlain]: Start of recursive call 633: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:06,204 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:06,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:03:06,206 INFO L550 ElimStorePlain]: Start of recursive call 634: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:06,336 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:06,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 153 treesize of output 56 [2021-07-09 18:03:06,337 INFO L550 ElimStorePlain]: Start of recursive call 635: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:06,467 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:06,467 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 160 treesize of output 55 [2021-07-09 18:03:06,468 INFO L550 ElimStorePlain]: Start of recursive call 636: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:06,611 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:06,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:03:06,612 INFO L550 ElimStorePlain]: Start of recursive call 637: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:06,757 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:06,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 185 treesize of output 68 [2021-07-09 18:03:06,758 INFO L550 ElimStorePlain]: Start of recursive call 638: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:06,900 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:06,900 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 65 [2021-07-09 18:03:06,902 INFO L550 ElimStorePlain]: Start of recursive call 639: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:07,045 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:07,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-07-09 18:03:07,046 INFO L550 ElimStorePlain]: Start of recursive call 640: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:07,177 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:07,177 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 168 treesize of output 59 [2021-07-09 18:03:07,178 INFO L550 ElimStorePlain]: Start of recursive call 641: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:07,313 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:07,314 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 180 treesize of output 59 [2021-07-09 18:03:07,315 INFO L550 ElimStorePlain]: Start of recursive call 642: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:07,462 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:07,463 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 [2021-07-09 18:03:07,465 INFO L550 ElimStorePlain]: Start of recursive call 643: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:07,611 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:07,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:03:07,612 INFO L550 ElimStorePlain]: Start of recursive call 644: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:07,756 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:07,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:03:07,757 INFO L550 ElimStorePlain]: Start of recursive call 645: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:07,902 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:07,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:03:07,903 INFO L550 ElimStorePlain]: Start of recursive call 646: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:08,046 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:08,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-07-09 18:03:08,048 INFO L550 ElimStorePlain]: Start of recursive call 647: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:08,192 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:08,192 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 [2021-07-09 18:03:08,193 INFO L550 ElimStorePlain]: Start of recursive call 648: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:08,325 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:08,326 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 173 treesize of output 58 [2021-07-09 18:03:08,327 INFO L550 ElimStorePlain]: Start of recursive call 649: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:08,470 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:08,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:03:08,472 INFO L550 ElimStorePlain]: Start of recursive call 650: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:08,614 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:08,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:03:08,616 INFO L550 ElimStorePlain]: Start of recursive call 651: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:08,763 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:08,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-07-09 18:03:08,765 INFO L550 ElimStorePlain]: Start of recursive call 652: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:08,959 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:08,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 67 [2021-07-09 18:03:08,961 INFO L550 ElimStorePlain]: Start of recursive call 653: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:09,021 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:09,022 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 64 [2021-07-09 18:03:09,023 INFO L550 ElimStorePlain]: Start of recursive call 654: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:09,076 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:09,077 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 165 treesize of output 64 [2021-07-09 18:03:09,078 INFO L550 ElimStorePlain]: Start of recursive call 655: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:09,132 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:09,132 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 175 treesize of output 68 [2021-07-09 18:03:09,134 INFO L550 ElimStorePlain]: Start of recursive call 656: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:09,186 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:09,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-07-09 18:03:09,188 INFO L550 ElimStorePlain]: Start of recursive call 657: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:09,242 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:09,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 67 [2021-07-09 18:03:09,243 INFO L550 ElimStorePlain]: Start of recursive call 658: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:09,285 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:09,286 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 158 treesize of output 55 [2021-07-09 18:03:09,287 INFO L550 ElimStorePlain]: Start of recursive call 659: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:09,341 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:09,341 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 150 treesize of output 63 [2021-07-09 18:03:09,343 INFO L550 ElimStorePlain]: Start of recursive call 660: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:09,385 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:09,385 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 163 treesize of output 56 [2021-07-09 18:03:09,386 INFO L550 ElimStorePlain]: Start of recursive call 661: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:09,442 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:09,442 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 175 treesize of output 66 [2021-07-09 18:03:09,444 INFO L550 ElimStorePlain]: Start of recursive call 662: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:09,499 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:09,499 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 160 treesize of output 65 [2021-07-09 18:03:09,501 INFO L550 ElimStorePlain]: Start of recursive call 663: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:09,555 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:09,555 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 170 treesize of output 65 [2021-07-09 18:03:09,556 INFO L550 ElimStorePlain]: Start of recursive call 664: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:09,615 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:09,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:03:09,617 INFO L550 ElimStorePlain]: Start of recursive call 665: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:09,673 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:09,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:03:09,674 INFO L550 ElimStorePlain]: Start of recursive call 666: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:09,730 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:09,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-07-09 18:03:09,731 INFO L550 ElimStorePlain]: Start of recursive call 667: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:09,775 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:09,775 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 170 treesize of output 57 [2021-07-09 18:03:09,776 INFO L550 ElimStorePlain]: Start of recursive call 668: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:09,831 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:09,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-07-09 18:03:09,833 INFO L550 ElimStorePlain]: Start of recursive call 669: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:09,888 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:09,889 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 66 [2021-07-09 18:03:09,890 INFO L550 ElimStorePlain]: Start of recursive call 670: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:09,947 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:09,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 63 [2021-07-09 18:03:09,949 INFO L550 ElimStorePlain]: Start of recursive call 671: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:10,006 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:10,007 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 145 treesize of output 60 [2021-07-09 18:03:10,008 INFO L550 ElimStorePlain]: Start of recursive call 672: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:10,078 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:10,079 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 180 treesize of output 67 [2021-07-09 18:03:10,080 INFO L550 ElimStorePlain]: Start of recursive call 673: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:10,152 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:10,152 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 170 treesize of output 65 [2021-07-09 18:03:10,154 INFO L550 ElimStorePlain]: Start of recursive call 674: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:10,220 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:10,220 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 175 treesize of output 66 [2021-07-09 18:03:10,222 INFO L550 ElimStorePlain]: Start of recursive call 675: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:10,283 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:10,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-07-09 18:03:10,285 INFO L550 ElimStorePlain]: Start of recursive call 676: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:10,332 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:10,332 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 175 treesize of output 58 [2021-07-09 18:03:10,334 INFO L550 ElimStorePlain]: Start of recursive call 677: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:10,392 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:10,393 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 170 treesize of output 65 [2021-07-09 18:03:10,394 INFO L550 ElimStorePlain]: Start of recursive call 678: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:10,453 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:10,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:03:10,455 INFO L550 ElimStorePlain]: Start of recursive call 679: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:10,501 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:10,502 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 170 treesize of output 57 [2021-07-09 18:03:10,503 INFO L550 ElimStorePlain]: Start of recursive call 680: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:10,549 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:10,550 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 168 treesize of output 57 [2021-07-09 18:03:10,551 INFO L550 ElimStorePlain]: Start of recursive call 681: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:10,610 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:10,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 61 [2021-07-09 18:03:10,612 INFO L550 ElimStorePlain]: Start of recursive call 682: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:10,672 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:10,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-07-09 18:03:10,674 INFO L550 ElimStorePlain]: Start of recursive call 683: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:10,724 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:10,725 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 170 treesize of output 57 [2021-07-09 18:03:10,726 INFO L550 ElimStorePlain]: Start of recursive call 684: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:10,785 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:10,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:03:10,787 INFO L550 ElimStorePlain]: Start of recursive call 685: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:10,836 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:10,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 155 treesize of output 54 [2021-07-09 18:03:10,837 INFO L550 ElimStorePlain]: Start of recursive call 686: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:10,896 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:10,897 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 165 treesize of output 64 [2021-07-09 18:03:10,898 INFO L550 ElimStorePlain]: Start of recursive call 687: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:10,946 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:10,946 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 160 treesize of output 55 [2021-07-09 18:03:10,948 INFO L550 ElimStorePlain]: Start of recursive call 688: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:11,008 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:11,008 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 155 treesize of output 62 [2021-07-09 18:03:11,010 INFO L550 ElimStorePlain]: Start of recursive call 689: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:11,059 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:11,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:03:11,061 INFO L550 ElimStorePlain]: Start of recursive call 690: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:11,122 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:11,123 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 180 treesize of output 69 [2021-07-09 18:03:11,124 INFO L550 ElimStorePlain]: Start of recursive call 691: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:11,192 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:11,192 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 [2021-07-09 18:03:11,193 INFO L550 ElimStorePlain]: Start of recursive call 692: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:11,255 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:11,255 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 150 treesize of output 61 [2021-07-09 18:03:11,256 INFO L550 ElimStorePlain]: Start of recursive call 693: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:11,318 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:11,319 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 155 treesize of output 62 [2021-07-09 18:03:11,320 INFO L550 ElimStorePlain]: Start of recursive call 694: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:11,384 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:11,384 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 165 treesize of output 64 [2021-07-09 18:03:11,386 INFO L550 ElimStorePlain]: Start of recursive call 695: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:11,438 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:11,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:03:11,439 INFO L550 ElimStorePlain]: Start of recursive call 696: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:11,501 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:11,501 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 155 treesize of output 64 [2021-07-09 18:03:11,503 INFO L550 ElimStorePlain]: Start of recursive call 697: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:11,567 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:11,567 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 [2021-07-09 18:03:11,568 INFO L550 ElimStorePlain]: Start of recursive call 698: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:11,631 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:11,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-07-09 18:03:11,632 INFO L550 ElimStorePlain]: Start of recursive call 699: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:11,695 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:11,696 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 155 treesize of output 64 [2021-07-09 18:03:11,697 INFO L550 ElimStorePlain]: Start of recursive call 700: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:11,762 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:11,762 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 170 treesize of output 65 [2021-07-09 18:03:11,763 INFO L550 ElimStorePlain]: Start of recursive call 701: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:11,828 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:11,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-07-09 18:03:11,829 INFO L550 ElimStorePlain]: Start of recursive call 702: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:11,882 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:11,882 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 170 treesize of output 57 [2021-07-09 18:03:11,884 INFO L550 ElimStorePlain]: Start of recursive call 703: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:11,948 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:11,948 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 170 treesize of output 65 [2021-07-09 18:03:11,950 INFO L550 ElimStorePlain]: Start of recursive call 704: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:12,004 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:12,004 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 148 treesize of output 53 [2021-07-09 18:03:12,005 INFO L550 ElimStorePlain]: Start of recursive call 705: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:12,070 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:12,071 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 180 treesize of output 67 [2021-07-09 18:03:12,072 INFO L550 ElimStorePlain]: Start of recursive call 706: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:12,137 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:12,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:03:12,138 INFO L550 ElimStorePlain]: Start of recursive call 707: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:12,206 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:12,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-07-09 18:03:12,208 INFO L550 ElimStorePlain]: Start of recursive call 708: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:12,277 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:12,278 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 170 treesize of output 65 [2021-07-09 18:03:12,279 INFO L550 ElimStorePlain]: Start of recursive call 709: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:12,347 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:12,347 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 155 treesize of output 64 [2021-07-09 18:03:12,348 INFO L550 ElimStorePlain]: Start of recursive call 710: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:12,416 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:12,417 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 155 treesize of output 64 [2021-07-09 18:03:12,418 INFO L550 ElimStorePlain]: Start of recursive call 711: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:12,485 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:12,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:03:12,487 INFO L550 ElimStorePlain]: Start of recursive call 712: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:12,544 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:12,544 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 165 treesize of output 56 [2021-07-09 18:03:12,546 INFO L550 ElimStorePlain]: Start of recursive call 713: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:12,603 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:12,603 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 150 treesize of output 53 [2021-07-09 18:03:12,604 INFO L550 ElimStorePlain]: Start of recursive call 714: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:12,672 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:12,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-07-09 18:03:12,674 INFO L550 ElimStorePlain]: Start of recursive call 715: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:12,732 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:12,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 138 treesize of output 51 [2021-07-09 18:03:12,733 INFO L550 ElimStorePlain]: Start of recursive call 716: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:12,800 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:12,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-07-09 18:03:12,801 INFO L550 ElimStorePlain]: Start of recursive call 717: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:12,870 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:12,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-07-09 18:03:12,871 INFO L550 ElimStorePlain]: Start of recursive call 718: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:12,939 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:12,939 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 180 treesize of output 67 [2021-07-09 18:03:12,940 INFO L550 ElimStorePlain]: Start of recursive call 719: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:13,008 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:13,008 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 165 treesize of output 64 [2021-07-09 18:03:13,009 INFO L550 ElimStorePlain]: Start of recursive call 720: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:13,078 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:13,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:03:13,079 INFO L550 ElimStorePlain]: Start of recursive call 721: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:13,137 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:13,137 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 185 treesize of output 60 [2021-07-09 18:03:13,139 INFO L550 ElimStorePlain]: Start of recursive call 722: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:13,198 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:13,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 175 treesize of output 58 [2021-07-09 18:03:13,199 INFO L550 ElimStorePlain]: Start of recursive call 723: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:13,269 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:13,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 63 [2021-07-09 18:03:13,270 INFO L550 ElimStorePlain]: Start of recursive call 724: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:13,330 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:13,331 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 153 treesize of output 56 [2021-07-09 18:03:13,332 INFO L550 ElimStorePlain]: Start of recursive call 725: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:13,402 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:13,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-07-09 18:03:13,403 INFO L550 ElimStorePlain]: Start of recursive call 726: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:13,474 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:13,474 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 155 treesize of output 62 [2021-07-09 18:03:13,476 INFO L550 ElimStorePlain]: Start of recursive call 727: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:13,546 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:13,546 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 185 treesize of output 68 [2021-07-09 18:03:13,548 INFO L550 ElimStorePlain]: Start of recursive call 728: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:13,609 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:13,609 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 155 treesize of output 54 [2021-07-09 18:03:13,610 INFO L550 ElimStorePlain]: Start of recursive call 729: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:13,683 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:13,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:03:13,685 INFO L550 ElimStorePlain]: Start of recursive call 730: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:13,747 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:13,748 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 153 treesize of output 54 [2021-07-09 18:03:13,749 INFO L550 ElimStorePlain]: Start of recursive call 731: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:13,812 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:13,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 178 treesize of output 61 [2021-07-09 18:03:13,814 INFO L550 ElimStorePlain]: Start of recursive call 732: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:13,887 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:13,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-07-09 18:03:13,889 INFO L550 ElimStorePlain]: Start of recursive call 733: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:13,960 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:13,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-07-09 18:03:13,962 INFO L550 ElimStorePlain]: Start of recursive call 734: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:14,034 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:14,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:03:14,036 INFO L550 ElimStorePlain]: Start of recursive call 735: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:14,108 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:14,108 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 165 treesize of output 64 [2021-07-09 18:03:14,109 INFO L550 ElimStorePlain]: Start of recursive call 736: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:14,172 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:14,172 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 195 treesize of output 62 [2021-07-09 18:03:14,173 INFO L550 ElimStorePlain]: Start of recursive call 737: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:14,246 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:14,247 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 155 treesize of output 62 [2021-07-09 18:03:14,248 INFO L550 ElimStorePlain]: Start of recursive call 738: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:14,322 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:14,323 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 170 treesize of output 65 [2021-07-09 18:03:14,325 INFO L550 ElimStorePlain]: Start of recursive call 739: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:14,395 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:14,396 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 155 treesize of output 62 [2021-07-09 18:03:14,397 INFO L550 ElimStorePlain]: Start of recursive call 740: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:14,469 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:14,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-07-09 18:03:14,470 INFO L550 ElimStorePlain]: Start of recursive call 741: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:14,546 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:14,546 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 155 treesize of output 62 [2021-07-09 18:03:14,548 INFO L550 ElimStorePlain]: Start of recursive call 742: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:14,621 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:14,621 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 160 treesize of output 63 [2021-07-09 18:03:14,623 INFO L550 ElimStorePlain]: Start of recursive call 743: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:14,695 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:14,695 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 165 treesize of output 66 [2021-07-09 18:03:14,696 INFO L550 ElimStorePlain]: Start of recursive call 744: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:14,767 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:14,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-07-09 18:03:14,768 INFO L550 ElimStorePlain]: Start of recursive call 745: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:14,840 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:14,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:03:14,841 INFO L550 ElimStorePlain]: Start of recursive call 746: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:14,913 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:14,913 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 160 treesize of output 63 [2021-07-09 18:03:14,914 INFO L550 ElimStorePlain]: Start of recursive call 747: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:14,986 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:14,987 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 165 treesize of output 64 [2021-07-09 18:03:14,988 INFO L550 ElimStorePlain]: Start of recursive call 748: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:15,064 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:15,065 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 155 treesize of output 62 [2021-07-09 18:03:15,066 INFO L550 ElimStorePlain]: Start of recursive call 749: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:15,140 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:15,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-07-09 18:03:15,142 INFO L550 ElimStorePlain]: Start of recursive call 750: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:15,214 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:15,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-07-09 18:03:15,215 INFO L550 ElimStorePlain]: Start of recursive call 751: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:15,287 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:15,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-07-09 18:03:15,288 INFO L550 ElimStorePlain]: Start of recursive call 752: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:15,359 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:15,359 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 150 treesize of output 63 [2021-07-09 18:03:15,361 INFO L550 ElimStorePlain]: Start of recursive call 753: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:15,432 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:15,433 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 65 [2021-07-09 18:03:15,434 INFO L550 ElimStorePlain]: Start of recursive call 754: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:15,506 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:15,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-07-09 18:03:15,507 INFO L550 ElimStorePlain]: Start of recursive call 755: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:15,569 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:15,569 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 173 treesize of output 60 [2021-07-09 18:03:15,571 INFO L550 ElimStorePlain]: Start of recursive call 756: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:15,632 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:15,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:03:15,634 INFO L550 ElimStorePlain]: Start of recursive call 757: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:15,706 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:15,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:03:15,708 INFO L550 ElimStorePlain]: Start of recursive call 758: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:15,770 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:15,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 153 treesize of output 54 [2021-07-09 18:03:15,772 INFO L550 ElimStorePlain]: Start of recursive call 759: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:15,850 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:15,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:03:15,851 INFO L550 ElimStorePlain]: Start of recursive call 760: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:15,925 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:15,925 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 165 treesize of output 66 [2021-07-09 18:03:15,926 INFO L550 ElimStorePlain]: Start of recursive call 761: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:15,989 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:15,989 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 165 treesize of output 56 [2021-07-09 18:03:15,990 INFO L550 ElimStorePlain]: Start of recursive call 762: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:16,064 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:16,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-07-09 18:03:16,065 INFO L550 ElimStorePlain]: Start of recursive call 763: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:16,139 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:16,139 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 165 treesize of output 66 [2021-07-09 18:03:16,141 INFO L550 ElimStorePlain]: Start of recursive call 764: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:16,214 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:16,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-07-09 18:03:16,216 INFO L550 ElimStorePlain]: Start of recursive call 765: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:16,298 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:16,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-07-09 18:03:16,299 INFO L550 ElimStorePlain]: Start of recursive call 766: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:16,374 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:16,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-07-09 18:03:16,375 INFO L550 ElimStorePlain]: Start of recursive call 767: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:16,440 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:16,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 178 treesize of output 61 [2021-07-09 18:03:16,441 INFO L550 ElimStorePlain]: Start of recursive call 768: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:16,506 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:16,506 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 165 treesize of output 56 [2021-07-09 18:03:16,507 INFO L550 ElimStorePlain]: Start of recursive call 769: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:16,572 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:16,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:03:16,574 INFO L550 ElimStorePlain]: Start of recursive call 770: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:16,649 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:16,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:03:16,650 INFO L550 ElimStorePlain]: Start of recursive call 771: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:16,715 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:16,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 180 treesize of output 59 [2021-07-09 18:03:16,716 INFO L550 ElimStorePlain]: Start of recursive call 772: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:16,790 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:16,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:03:16,792 INFO L550 ElimStorePlain]: Start of recursive call 773: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:16,857 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:16,858 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 180 treesize of output 59 [2021-07-09 18:03:16,859 INFO L550 ElimStorePlain]: Start of recursive call 774: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:16,923 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:16,923 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 158 treesize of output 55 [2021-07-09 18:03:16,924 INFO L550 ElimStorePlain]: Start of recursive call 775: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:16,999 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:16,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:03:17,000 INFO L550 ElimStorePlain]: Start of recursive call 776: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:17,074 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:17,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:03:17,076 INFO L550 ElimStorePlain]: Start of recursive call 777: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:17,151 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:17,151 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 [2021-07-09 18:03:17,152 INFO L550 ElimStorePlain]: Start of recursive call 778: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:17,220 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:17,220 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 148 treesize of output 53 [2021-07-09 18:03:17,222 INFO L550 ElimStorePlain]: Start of recursive call 779: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:17,287 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:17,287 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 180 treesize of output 59 [2021-07-09 18:03:17,288 INFO L550 ElimStorePlain]: Start of recursive call 780: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:17,353 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:17,353 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 158 treesize of output 57 [2021-07-09 18:03:17,355 INFO L550 ElimStorePlain]: Start of recursive call 781: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:17,430 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:17,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-07-09 18:03:17,431 INFO L550 ElimStorePlain]: Start of recursive call 782: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:17,506 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:17,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-07-09 18:03:17,508 INFO L550 ElimStorePlain]: Start of recursive call 783: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:17,583 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:17,583 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 67 [2021-07-09 18:03:17,584 INFO L550 ElimStorePlain]: Start of recursive call 784: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:17,657 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:17,658 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 170 treesize of output 65 [2021-07-09 18:03:17,659 INFO L550 ElimStorePlain]: Start of recursive call 785: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:17,732 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:17,732 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 165 treesize of output 64 [2021-07-09 18:03:17,733 INFO L550 ElimStorePlain]: Start of recursive call 786: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:17,807 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:17,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:03:17,809 INFO L550 ElimStorePlain]: Start of recursive call 787: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:17,873 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:17,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 170 treesize of output 57 [2021-07-09 18:03:17,874 INFO L550 ElimStorePlain]: Start of recursive call 788: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:17,938 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:17,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:03:17,940 INFO L550 ElimStorePlain]: Start of recursive call 789: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:18,013 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:18,014 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 175 treesize of output 68 [2021-07-09 18:03:18,016 INFO L550 ElimStorePlain]: Start of recursive call 790: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:18,092 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:18,092 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 170 treesize of output 65 [2021-07-09 18:03:18,093 INFO L550 ElimStorePlain]: Start of recursive call 791: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:18,167 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:18,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:03:18,169 INFO L550 ElimStorePlain]: Start of recursive call 792: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:18,232 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:18,232 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 153 treesize of output 54 [2021-07-09 18:03:18,234 INFO L550 ElimStorePlain]: Start of recursive call 793: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:18,310 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:18,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:03:18,312 INFO L550 ElimStorePlain]: Start of recursive call 794: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:18,388 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:18,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:03:18,389 INFO L550 ElimStorePlain]: Start of recursive call 795: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:18,460 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:18,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 160 treesize of output 55 [2021-07-09 18:03:18,461 INFO L550 ElimStorePlain]: Start of recursive call 796: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:18,547 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:18,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-07-09 18:03:18,549 INFO L550 ElimStorePlain]: Start of recursive call 797: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:18,623 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:18,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-07-09 18:03:18,624 INFO L550 ElimStorePlain]: Start of recursive call 798: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:18,698 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:18,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:03:18,700 INFO L550 ElimStorePlain]: Start of recursive call 799: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:18,764 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:18,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 160 treesize of output 55 [2021-07-09 18:03:18,765 INFO L550 ElimStorePlain]: Start of recursive call 800: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:18,839 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:18,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-07-09 18:03:18,841 INFO L550 ElimStorePlain]: Start of recursive call 801: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:18,915 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:18,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-07-09 18:03:18,917 INFO L550 ElimStorePlain]: Start of recursive call 802: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:18,984 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:18,984 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 165 treesize of output 56 [2021-07-09 18:03:18,985 INFO L550 ElimStorePlain]: Start of recursive call 803: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:19,059 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:19,060 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 165 treesize of output 64 [2021-07-09 18:03:19,061 INFO L550 ElimStorePlain]: Start of recursive call 804: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:19,134 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:19,134 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 165 treesize of output 66 [2021-07-09 18:03:19,136 INFO L550 ElimStorePlain]: Start of recursive call 805: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:19,209 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:19,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-07-09 18:03:19,210 INFO L550 ElimStorePlain]: Start of recursive call 806: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:19,283 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:19,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-07-09 18:03:19,284 INFO L550 ElimStorePlain]: Start of recursive call 807: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:19,357 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:19,357 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 160 treesize of output 65 [2021-07-09 18:03:19,359 INFO L550 ElimStorePlain]: Start of recursive call 808: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:19,432 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:19,432 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 160 treesize of output 63 [2021-07-09 18:03:19,433 INFO L550 ElimStorePlain]: Start of recursive call 809: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:19,506 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:19,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-07-09 18:03:19,507 INFO L550 ElimStorePlain]: Start of recursive call 810: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:19,582 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:19,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-07-09 18:03:19,584 INFO L550 ElimStorePlain]: Start of recursive call 811: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:19,658 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:19,658 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 175 treesize of output 66 [2021-07-09 18:03:19,660 INFO L550 ElimStorePlain]: Start of recursive call 812: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:19,734 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:19,734 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 170 treesize of output 65 [2021-07-09 18:03:19,736 INFO L550 ElimStorePlain]: Start of recursive call 813: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:19,809 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:19,809 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 165 treesize of output 64 [2021-07-09 18:03:19,811 INFO L550 ElimStorePlain]: Start of recursive call 814: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:19,883 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:19,883 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 150 treesize of output 63 [2021-07-09 18:03:19,885 INFO L550 ElimStorePlain]: Start of recursive call 815: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:19,948 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:19,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 168 treesize of output 57 [2021-07-09 18:03:19,950 INFO L550 ElimStorePlain]: Start of recursive call 816: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:20,024 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:20,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:03:20,026 INFO L550 ElimStorePlain]: Start of recursive call 817: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:20,102 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:20,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-07-09 18:03:20,104 INFO L550 ElimStorePlain]: Start of recursive call 818: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:20,176 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:20,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 63 [2021-07-09 18:03:20,178 INFO L550 ElimStorePlain]: Start of recursive call 819: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:20,250 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:20,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:03:20,252 INFO L550 ElimStorePlain]: Start of recursive call 820: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:20,323 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:20,324 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 155 treesize of output 62 [2021-07-09 18:03:20,325 INFO L550 ElimStorePlain]: Start of recursive call 821: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:20,386 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:20,387 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 148 treesize of output 55 [2021-07-09 18:03:20,388 INFO L550 ElimStorePlain]: Start of recursive call 822: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:20,463 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:20,463 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 [2021-07-09 18:03:20,465 INFO L550 ElimStorePlain]: Start of recursive call 823: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:20,539 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:20,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-07-09 18:03:20,541 INFO L550 ElimStorePlain]: Start of recursive call 824: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:20,603 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:20,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:03:20,605 INFO L550 ElimStorePlain]: Start of recursive call 825: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:20,679 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:20,679 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 165 treesize of output 66 [2021-07-09 18:03:20,680 INFO L550 ElimStorePlain]: Start of recursive call 826: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:20,741 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:20,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:03:20,742 INFO L550 ElimStorePlain]: Start of recursive call 827: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:20,813 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:20,813 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 165 treesize of output 64 [2021-07-09 18:03:20,814 INFO L550 ElimStorePlain]: Start of recursive call 828: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:20,886 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:20,886 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 65 [2021-07-09 18:03:20,887 INFO L550 ElimStorePlain]: Start of recursive call 829: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:20,961 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:20,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:03:20,963 INFO L550 ElimStorePlain]: Start of recursive call 830: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:21,036 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:21,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-07-09 18:03:21,038 INFO L550 ElimStorePlain]: Start of recursive call 831: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:21,098 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:21,098 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 175 treesize of output 58 [2021-07-09 18:03:21,099 INFO L550 ElimStorePlain]: Start of recursive call 832: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:21,169 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:21,169 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 165 treesize of output 64 [2021-07-09 18:03:21,171 INFO L550 ElimStorePlain]: Start of recursive call 833: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:21,231 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:21,232 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 180 treesize of output 59 [2021-07-09 18:03:21,233 INFO L550 ElimStorePlain]: Start of recursive call 834: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:21,304 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:21,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-07-09 18:03:21,305 INFO L550 ElimStorePlain]: Start of recursive call 835: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:21,374 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:21,375 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 [2021-07-09 18:03:21,376 INFO L550 ElimStorePlain]: Start of recursive call 836: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:21,445 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:21,445 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:03:21,447 INFO L550 ElimStorePlain]: Start of recursive call 837: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:21,516 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:21,516 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 145 treesize of output 60 [2021-07-09 18:03:21,518 INFO L550 ElimStorePlain]: Start of recursive call 838: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:21,577 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:21,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 153 treesize of output 54 [2021-07-09 18:03:21,578 INFO L550 ElimStorePlain]: Start of recursive call 839: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:21,637 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:21,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 185 treesize of output 60 [2021-07-09 18:03:21,638 INFO L550 ElimStorePlain]: Start of recursive call 840: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:21,710 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:21,710 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 68 [2021-07-09 18:03:21,712 INFO L550 ElimStorePlain]: Start of recursive call 841: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:21,780 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:21,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-07-09 18:03:21,782 INFO L550 ElimStorePlain]: Start of recursive call 842: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:21,851 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:21,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-07-09 18:03:21,853 INFO L550 ElimStorePlain]: Start of recursive call 843: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:21,924 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:21,924 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 63 [2021-07-09 18:03:21,925 INFO L550 ElimStorePlain]: Start of recursive call 844: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:21,994 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:21,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:03:21,995 INFO L550 ElimStorePlain]: Start of recursive call 845: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:22,053 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:22,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 183 treesize of output 60 [2021-07-09 18:03:22,054 INFO L550 ElimStorePlain]: Start of recursive call 846: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:22,121 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:22,121 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 180 treesize of output 67 [2021-07-09 18:03:22,123 INFO L550 ElimStorePlain]: Start of recursive call 847: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:22,179 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:22,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:03:22,181 INFO L550 ElimStorePlain]: Start of recursive call 848: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:22,247 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:22,247 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 66 [2021-07-09 18:03:22,249 INFO L550 ElimStorePlain]: Start of recursive call 849: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:22,307 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:22,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 173 treesize of output 58 [2021-07-09 18:03:22,309 INFO L550 ElimStorePlain]: Start of recursive call 850: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:22,366 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:22,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 175 treesize of output 58 [2021-07-09 18:03:22,368 INFO L550 ElimStorePlain]: Start of recursive call 851: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:22,435 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:22,435 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 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-07-09 18:03:22,437 INFO L550 ElimStorePlain]: Start of recursive call 852: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:22,510 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:22,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-07-09 18:03:22,512 INFO L550 ElimStorePlain]: Start of recursive call 853: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:22,580 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:22,580 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 165 treesize of output 64 [2021-07-09 18:03:22,581 INFO L550 ElimStorePlain]: Start of recursive call 854: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:22,647 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:22,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-07-09 18:03:22,648 INFO L550 ElimStorePlain]: Start of recursive call 855: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:22,714 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:22,714 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 170 treesize of output 67 [2021-07-09 18:03:22,716 INFO L550 ElimStorePlain]: Start of recursive call 856: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:22,771 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:22,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 155 treesize of output 54 [2021-07-09 18:03:22,773 INFO L550 ElimStorePlain]: Start of recursive call 857: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:22,837 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:22,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:03:22,839 INFO L550 ElimStorePlain]: Start of recursive call 858: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:22,906 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:22,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:03:22,907 INFO L550 ElimStorePlain]: Start of recursive call 859: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:22,971 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:22,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:03:22,973 INFO L550 ElimStorePlain]: Start of recursive call 860: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:23,037 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:23,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-07-09 18:03:23,039 INFO L550 ElimStorePlain]: Start of recursive call 861: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:23,091 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:23,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 170 treesize of output 57 [2021-07-09 18:03:23,093 INFO L550 ElimStorePlain]: Start of recursive call 862: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:23,156 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:23,156 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 165 treesize of output 64 [2021-07-09 18:03:23,158 INFO L550 ElimStorePlain]: Start of recursive call 863: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:23,219 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:23,220 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 165 treesize of output 66 [2021-07-09 18:03:23,222 INFO L550 ElimStorePlain]: Start of recursive call 864: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:23,284 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:23,284 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 150 treesize of output 63 [2021-07-09 18:03:23,285 INFO L550 ElimStorePlain]: Start of recursive call 865: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:23,336 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:23,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 190 treesize of output 61 [2021-07-09 18:03:23,338 INFO L550 ElimStorePlain]: Start of recursive call 866: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:23,389 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:23,389 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 170 treesize of output 57 [2021-07-09 18:03:23,390 INFO L550 ElimStorePlain]: Start of recursive call 867: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:23,440 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:23,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 155 treesize of output 54 [2021-07-09 18:03:23,442 INFO L550 ElimStorePlain]: Start of recursive call 868: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:23,501 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:23,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-07-09 18:03:23,503 INFO L550 ElimStorePlain]: Start of recursive call 869: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:23,561 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:23,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:03:23,563 INFO L550 ElimStorePlain]: Start of recursive call 870: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:23,624 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:23,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-07-09 18:03:23,625 INFO L550 ElimStorePlain]: Start of recursive call 871: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:23,675 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:23,676 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 165 treesize of output 56 [2021-07-09 18:03:23,677 INFO L550 ElimStorePlain]: Start of recursive call 872: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:23,725 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:23,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 143 treesize of output 52 [2021-07-09 18:03:23,727 INFO L550 ElimStorePlain]: Start of recursive call 873: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:23,775 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:23,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:03:23,777 INFO L550 ElimStorePlain]: Start of recursive call 874: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:23,829 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:23,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:03:23,830 INFO L550 ElimStorePlain]: Start of recursive call 875: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:23,889 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:23,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-07-09 18:03:23,891 INFO L550 ElimStorePlain]: Start of recursive call 876: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:23,947 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:23,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-07-09 18:03:23,948 INFO L550 ElimStorePlain]: Start of recursive call 877: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:23,996 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:23,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:03:23,998 INFO L550 ElimStorePlain]: Start of recursive call 878: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:24,054 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:24,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select 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 [2021-07-09 18:03:24,056 INFO L550 ElimStorePlain]: Start of recursive call 879: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:24,110 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:24,110 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 160 treesize of output 65 [2021-07-09 18:03:24,111 INFO L550 ElimStorePlain]: Start of recursive call 880: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:24,163 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:24,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-07-09 18:03:24,165 INFO L550 ElimStorePlain]: Start of recursive call 881: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:24,206 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:24,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select 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 [2021-07-09 18:03:24,208 INFO L550 ElimStorePlain]: Start of recursive call 882: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:24,257 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:24,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-07-09 18:03:24,259 INFO L550 ElimStorePlain]: Start of recursive call 883: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:24,309 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:24,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-07-09 18:03:24,310 INFO L550 ElimStorePlain]: Start of recursive call 884: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:24,350 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:24,350 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 158 treesize of output 57 [2021-07-09 18:03:24,352 INFO L550 ElimStorePlain]: Start of recursive call 885: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:24,400 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:24,400 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 175 treesize of output 68 [2021-07-09 18:03:24,401 INFO L550 ElimStorePlain]: Start of recursive call 886: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:24,450 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:24,450 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 140 treesize of output 59 [2021-07-09 18:03:24,452 INFO L550 ElimStorePlain]: Start of recursive call 887: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:24,490 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-09 18:03:24,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 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 [2021-07-09 18:03:24,492 INFO L550 ElimStorePlain]: Start of recursive call 888: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:24,497 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:24,498 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 175 treesize of output 58 [2021-07-09 18:03:24,499 INFO L550 ElimStorePlain]: Start of recursive call 889: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:24,510 INFO L628 ElimStorePlain]: treesize reduction 51, result has 5.6 percent of original size [2021-07-09 18:03:24,511 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:03:24,511 INFO L247 ElimStorePlain]: Needed 889 recursive calls to eliminate 2 variables, input treesize:146569, output treesize:3 [2021-07-09 18:03:24,519 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 97 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 18:03:24,519 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [277726398] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:03:24,519 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:03:24,519 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 16] total 23 [2021-07-09 18:03:24,519 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764168473] [2021-07-09 18:03:24,519 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-09 18:03:24,519 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:03:24,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-09 18:03:24,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2021-07-09 18:03:24,520 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) [2021-07-09 18:03:25,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:03:25,031 INFO L93 Difference]: Finished difference Result 57076 states and 146192 transitions. [2021-07-09 18:03:25,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 18:03:25,032 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 [2021-07-09 18:03:25,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:03:25,150 INFO L225 Difference]: With dead ends: 57076 [2021-07-09 18:03:25,151 INFO L226 Difference]: Without dead ends: 57046 [2021-07-09 18:03:25,151 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 4771.3ms TimeCoverageRelationStatistics Valid=65, Invalid=487, Unknown=0, NotChecked=0, Total=552 [2021-07-09 18:03:25,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57046 states. [2021-07-09 18:03:26,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57046 to 55615. [2021-07-09 18:03:26,315 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) [2021-07-09 18:03:26,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55615 states to 55615 states and 142626 transitions. [2021-07-09 18:03:26,436 INFO L78 Accepts]: Start accepts. Automaton has 55615 states and 142626 transitions. Word has length 42 [2021-07-09 18:03:26,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:03:26,436 INFO L482 AbstractCegarLoop]: Abstraction has 55615 states and 142626 transitions. [2021-07-09 18:03:26,436 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) [2021-07-09 18:03:26,436 INFO L276 IsEmpty]: Start isEmpty. Operand 55615 states and 142626 transitions. [2021-07-09 18:03:26,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-07-09 18:03:26,472 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:03:26,472 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 18:03:26,679 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 142 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6584 [2021-07-09 18:03:26,679 INFO L430 AbstractCegarLoop]: === Iteration 147 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:03:26,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:03:26,687 INFO L82 PathProgramCache]: Analyzing trace with hash -689351820, now seen corresponding path program 142 times [2021-07-09 18:03:26,688 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:03:26,688 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028037196] [2021-07-09 18:03:26,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:03:26,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:03:26,733 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-09 18:03:26,734 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:03:26,734 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028037196] [2021-07-09 18:03:26,734 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028037196] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:03:26,734 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1882590214] [2021-07-09 18:03:26,734 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 [2021-07-09 18:03:26,762 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-09 18:03:26,762 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 18:03:26,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 45 conjunts are in the unsatisfiable core [2021-07-09 18:03:26,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:03:26,982 INFO L354 Elim1Store]: treesize reduction 72, result has 60.2 percent of original size [2021-07-09 18:03:26,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2021-07-09 18:03:26,986 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:27,033 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:03:27,034 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:03:27,034 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:177, output treesize:432 [2021-07-09 18:03:28,729 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2021-07-09 18:03:30,953 WARN L205 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 621 DAG size of output: 621 [2021-07-09 18:03:32,703 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 1196 [2021-07-09 18:03:34,071 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 1196 [2021-07-09 18:03:35,650 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 1196 [2021-07-09 18:03:52,612 WARN L205 SmtUtils]: Spent 11.17 s on a formula simplification. DAG size of input: 1196 DAG size of output: 58 [2021-07-09 18:03:53,657 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]} [2021-07-09 18:03:53,666 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-09 18:03:53,667 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 239 treesize of output 58 [2021-07-09 18:03:53,668 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:53,836 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 108 [2021-07-09 18:03:53,837 INFO L628 ElimStorePlain]: treesize reduction 921, result has 33.5 percent of original size [2021-07-09 18:03:53,900 INFO L354 Elim1Store]: treesize reduction 126, result has 25.4 percent of original size [2021-07-09 18:03:53,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 56 treesize of output 71 [2021-07-09 18:03:53,902 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:53,949 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:03:54,054 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 50 [2021-07-09 18:03:54,054 INFO L354 Elim1Store]: treesize reduction 84, result has 50.3 percent of original size [2021-07-09 18:03:54,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 109 treesize of output 130 [2021-07-09 18:03:54,058 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:54,095 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:03:54,124 INFO L354 Elim1Store]: treesize reduction 106, result has 12.4 percent of original size [2021-07-09 18:03:54,125 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 79 treesize of output 46 [2021-07-09 18:03:54,126 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:54,159 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:03:54,208 INFO L354 Elim1Store]: treesize reduction 139, result has 17.8 percent of original size [2021-07-09 18:03:54,208 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 50 treesize of output 58 [2021-07-09 18:03:54,209 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:54,239 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:03:54,309 INFO L354 Elim1Store]: treesize reduction 113, result has 33.1 percent of original size [2021-07-09 18:03:54,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 80 treesize of output 88 [2021-07-09 18:03:54,311 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:54,337 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:03:54,361 INFO L354 Elim1Store]: treesize reduction 111, result has 8.3 percent of original size [2021-07-09 18:03:54,361 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 83 treesize of output 41 [2021-07-09 18:03:54,362 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-09 18:03:54,383 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:03:54,385 INFO L550 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 7 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:03:54,386 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 14 variables, input treesize:1618, output treesize:3 [2021-07-09 18:03:54,394 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 97 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 18:03:54,394 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1882590214] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:03:54,394 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:03:54,394 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 16] total 23 [2021-07-09 18:03:54,394 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842512544] [2021-07-09 18:03:54,394 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-09 18:03:54,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:03:54,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-09 18:03:54,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2021-07-09 18:03:54,395 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) [2021-07-09 18:03:55,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:03:55,287 INFO L93 Difference]: Finished difference Result 58151 states and 148884 transitions. [2021-07-09 18:03:55,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-09 18:03:55,288 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 [2021-07-09 18:03:55,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:03:55,412 INFO L225 Difference]: With dead ends: 58151 [2021-07-09 18:03:55,412 INFO L226 Difference]: Without dead ends: 58110 [2021-07-09 18:03:55,413 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 17738.1ms TimeCoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2021-07-09 18:03:55,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58110 states. [2021-07-09 18:03:56,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58110 to 56750. [2021-07-09 18:03:56,520 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) [2021-07-09 18:03:56,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56750 states to 56750 states and 145847 transitions. [2021-07-09 18:03:56,645 INFO L78 Accepts]: Start accepts. Automaton has 56750 states and 145847 transitions. Word has length 42 [2021-07-09 18:03:56,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:03:56,645 INFO L482 AbstractCegarLoop]: Abstraction has 56750 states and 145847 transitions. [2021-07-09 18:03:56,645 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) [2021-07-09 18:03:56,645 INFO L276 IsEmpty]: Start isEmpty. Operand 56750 states and 145847 transitions. [2021-07-09 18:03:56,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-07-09 18:03:56,681 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:03:56,681 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 18:03:56,882 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 143 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13668 [2021-07-09 18:03:56,882 INFO L430 AbstractCegarLoop]: === Iteration 148 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:03:56,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:03:56,882 INFO L82 PathProgramCache]: Analyzing trace with hash -1940096396, now seen corresponding path program 143 times [2021-07-09 18:03:56,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:03:56,882 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969827952] [2021-07-09 18:03:56,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:03:56,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:03:56,928 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-09 18:03:56,928 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:03:56,928 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969827952] [2021-07-09 18:03:56,928 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969827952] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:03:56,928 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [461759436] [2021-07-09 18:03:56,928 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 [2021-07-09 18:03:56,958 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-07-09 18:03:56,958 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 18:03:56,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 47 conjunts are in the unsatisfiable core [2021-07-09 18:03:56,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:03:57,530 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 65 [2021-07-09 18:03:57,531 INFO L354 Elim1Store]: treesize reduction 128, result has 43.1 percent of original size [2021-07-09 18:03:57,531 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 [2021-07-09 18:04:00,874 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:04:00,925 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:04:02,543 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:04:02,543 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:206, output treesize:433 [2021-07-09 18:04:05,780 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2021-07-09 18:04:07,850 WARN L205 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 621 DAG size of output: 621 [2021-07-09 18:04:09,461 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 1196 [2021-07-09 18:04:10,606 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 1196 [2021-07-09 18:04:12,180 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 1196 [2021-07-09 18:04:22,926 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2021-07-09 18:04:24,988 WARN L205 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 621 DAG size of output: 621 [2021-07-09 18:04:26,601 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 1196 [2021-07-09 18:04:27,755 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 1196 [2021-07-09 18:04:29,275 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 1196 [2021-07-09 18:04:48,814 WARN L205 SmtUtils]: Spent 12.75 s on a formula simplification. DAG size of input: 1196 DAG size of output: 58 [2021-07-09 18:04:49,305 INFO L354 Elim1Store]: treesize reduction 166, result has 1.8 percent of original size [2021-07-09 18:04:49,305 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 13 new quantified variables, introduced 21 case distinctions, treesize of input 227 treesize of output 72 [2021-07-09 18:04:49,306 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:04:49,467 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 109 [2021-07-09 18:04:49,468 INFO L628 ElimStorePlain]: treesize reduction 907, result has 34.0 percent of original size [2021-07-09 18:04:49,532 INFO L354 Elim1Store]: treesize reduction 126, result has 25.4 percent of original size [2021-07-09 18:04:49,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 58 treesize of output 74 [2021-07-09 18:04:49,534 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:04:49,581 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:04:49,656 INFO L354 Elim1Store]: treesize reduction 113, result has 33.1 percent of original size [2021-07-09 18:04:49,656 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 13 new quantified variables, introduced 21 case distinctions, treesize of input 86 treesize of output 91 [2021-07-09 18:04:49,658 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 18:04:49,700 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:04:49,738 INFO L354 Elim1Store]: treesize reduction 156, result has 7.7 percent of original size [2021-07-09 18:04:49,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 91 treesize of output 47 [2021-07-09 18:04:49,739 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 18:04:49,775 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:04:49,825 INFO L354 Elim1Store]: treesize reduction 139, result has 17.8 percent of original size [2021-07-09 18:04:49,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 52 treesize of output 61 [2021-07-09 18:04:49,827 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 18:04:49,860 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:04:49,900 INFO L354 Elim1Store]: treesize reduction 153, result has 9.5 percent of original size [2021-07-09 18:04:49,900 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 13 new quantified variables, introduced 21 case distinctions, treesize of input 71 treesize of output 46 [2021-07-09 18:04:49,902 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 18:04:49,931 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:04:50,024 INFO L354 Elim1Store]: treesize reduction 84, result has 50.3 percent of original size [2021-07-09 18:04:50,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2021-07-09 18:04:50,028 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-09 18:04:50,037 INFO L628 ElimStorePlain]: treesize reduction 48, result has 5.9 percent of original size [2021-07-09 18:04:50,038 INFO L550 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 7 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:04:50,038 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 14 variables, input treesize:1590, output treesize:3 [2021-07-09 18:04:50,046 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-09 18:04:50,046 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [461759436] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:04:50,046 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:04:50,046 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 16] total 23 [2021-07-09 18:04:50,046 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373231612] [2021-07-09 18:04:50,046 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-09 18:04:50,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:04:50,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-09 18:04:50,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=447, Unknown=0, NotChecked=0, Total=506 [2021-07-09 18:04:50,046 INFO L87 Difference]: Start difference. First operand 56750 states and 145847 transitions. Second operand has 23 states, 23 states have (on average 2.9565217391304346) internal successors, (68), 23 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:04:50,527 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2021-07-09 18:04:50,746 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 232 [2021-07-09 18:04:51,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:04:51,148 INFO L93 Difference]: Finished difference Result 58133 states and 149157 transitions. [2021-07-09 18:04:51,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 18:04:51,149 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.9565217391304346) internal successors, (68), 23 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2021-07-09 18:04:51,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:04:51,263 INFO L225 Difference]: With dead ends: 58133 [2021-07-09 18:04:51,263 INFO L226 Difference]: Without dead ends: 58126 [2021-07-09 18:04:51,263 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 35 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 29563.4ms TimeCoverageRelationStatistics Valid=74, Invalid=576, Unknown=0, NotChecked=0, Total=650 [2021-07-09 18:04:51,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58126 states. [2021-07-09 18:04:52,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58126 to 57370. [2021-07-09 18:04:52,156 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) [2021-07-09 18:04:52,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57370 states to 57370 states and 147596 transitions. [2021-07-09 18:04:52,288 INFO L78 Accepts]: Start accepts. Automaton has 57370 states and 147596 transitions. Word has length 42 [2021-07-09 18:04:52,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:04:52,288 INFO L482 AbstractCegarLoop]: Abstraction has 57370 states and 147596 transitions. [2021-07-09 18:04:52,288 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.9565217391304346) internal successors, (68), 23 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:04:52,288 INFO L276 IsEmpty]: Start isEmpty. Operand 57370 states and 147596 transitions. [2021-07-09 18:04:52,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-07-09 18:04:52,329 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:04:52,329 INFO L508 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 18:04:52,533 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 144 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14249 [2021-07-09 18:04:52,533 INFO L430 AbstractCegarLoop]: === Iteration 149 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:04:52,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:04:52,534 INFO L82 PathProgramCache]: Analyzing trace with hash -2129488650, now seen corresponding path program 144 times [2021-07-09 18:04:52,534 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:04:52,534 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21360894] [2021-07-09 18:04:52,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:04:52,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:04:52,703 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 49 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:04:52,704 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:04:52,704 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21360894] [2021-07-09 18:04:52,704 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21360894] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:04:52,704 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1015693443] [2021-07-09 18:04:52,704 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 [2021-07-09 18:04:52,736 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-07-09 18:04:52,736 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 18:04:52,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-09 18:04:52,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:04:53,078 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 49 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:04:53,079 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1015693443] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:04:53,079 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:04:53,079 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 37 [2021-07-09 18:04:53,079 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556436633] [2021-07-09 18:04:53,079 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-07-09 18:04:53,079 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:04:53,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-07-09 18:04:53,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=263, Invalid=1143, Unknown=0, NotChecked=0, Total=1406 [2021-07-09 18:04:53,080 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) [2021-07-09 18:04:56,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:04:56,314 INFO L93 Difference]: Finished difference Result 61578 states and 156735 transitions. [2021-07-09 18:04:56,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2021-07-09 18:04:56,315 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 [2021-07-09 18:04:56,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:04:56,441 INFO L225 Difference]: With dead ends: 61578 [2021-07-09 18:04:56,442 INFO L226 Difference]: Without dead ends: 61578 [2021-07-09 18:04:56,444 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5718 ImplicationChecksByTransitivity, 2565.2ms TimeCoverageRelationStatistics Valid=4657, Invalid=13165, Unknown=0, NotChecked=0, Total=17822 [2021-07-09 18:04:56,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61578 states. [2021-07-09 18:04:57,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61578 to 54115. [2021-07-09 18:04:57,418 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) [2021-07-09 18:04:57,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54115 states to 54115 states and 138911 transitions. [2021-07-09 18:04:57,539 INFO L78 Accepts]: Start accepts. Automaton has 54115 states and 138911 transitions. Word has length 44 [2021-07-09 18:04:57,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:04:57,539 INFO L482 AbstractCegarLoop]: Abstraction has 54115 states and 138911 transitions. [2021-07-09 18:04:57,539 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) [2021-07-09 18:04:57,539 INFO L276 IsEmpty]: Start isEmpty. Operand 54115 states and 138911 transitions. [2021-07-09 18:04:57,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-07-09 18:04:57,581 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:04:57,581 INFO L508 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 18:04:57,781 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 145 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17702 [2021-07-09 18:04:57,781 INFO L430 AbstractCegarLoop]: === Iteration 150 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:04:57,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:04:57,781 INFO L82 PathProgramCache]: Analyzing trace with hash 768782642, now seen corresponding path program 145 times [2021-07-09 18:04:57,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:04:57,782 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241856138] [2021-07-09 18:04:57,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:04:57,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:04:57,945 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 64 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:04:57,945 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:04:57,945 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241856138] [2021-07-09 18:04:57,945 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241856138] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:04:57,945 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1816332155] [2021-07-09 18:04:57,945 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 [2021-07-09 18:04:57,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:04:57,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-09 18:04:57,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:04:58,383 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 64 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:04:58,383 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1816332155] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:04:58,384 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:04:58,384 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 36 [2021-07-09 18:04:58,384 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086745764] [2021-07-09 18:04:58,384 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-09 18:04:58,384 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:04:58,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-09 18:04:58,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=225, Invalid=1107, Unknown=0, NotChecked=0, Total=1332 [2021-07-09 18:04:58,384 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) [2021-07-09 18:05:03,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:05:03,911 INFO L93 Difference]: Finished difference Result 71421 states and 180739 transitions. [2021-07-09 18:05:03,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2021-07-09 18:05:03,911 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 [2021-07-09 18:05:03,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:05:04,065 INFO L225 Difference]: With dead ends: 71421 [2021-07-09 18:05:04,065 INFO L226 Difference]: Without dead ends: 71182 [2021-07-09 18:05:04,068 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 186 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12672 ImplicationChecksByTransitivity, 4989.9ms TimeCoverageRelationStatistics Valid=7124, Invalid=28032, Unknown=0, NotChecked=0, Total=35156 [2021-07-09 18:05:04,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71182 states. [2021-07-09 18:05:05,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71182 to 55547. [2021-07-09 18:05:05,391 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) [2021-07-09 18:05:06,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55547 states to 55547 states and 142594 transitions. [2021-07-09 18:05:06,026 INFO L78 Accepts]: Start accepts. Automaton has 55547 states and 142594 transitions. Word has length 44 [2021-07-09 18:05:06,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:05:06,026 INFO L482 AbstractCegarLoop]: Abstraction has 55547 states and 142594 transitions. [2021-07-09 18:05:06,027 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) [2021-07-09 18:05:06,027 INFO L276 IsEmpty]: Start isEmpty. Operand 55547 states and 142594 transitions. [2021-07-09 18:05:06,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-07-09 18:05:06,064 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:05:06,064 INFO L508 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 18:05:06,264 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17703,146 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 18:05:06,265 INFO L430 AbstractCegarLoop]: === Iteration 151 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:05:06,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:05:06,265 INFO L82 PathProgramCache]: Analyzing trace with hash -1205657702, now seen corresponding path program 146 times [2021-07-09 18:05:06,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:05:06,265 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573122354] [2021-07-09 18:05:06,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:05:06,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:05:06,353 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 64 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:05:06,354 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:05:06,354 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573122354] [2021-07-09 18:05:06,354 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573122354] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:05:06,354 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1309473243] [2021-07-09 18:05:06,354 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-07-09 18:05:06,382 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 18:05:06,382 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 18:05:06,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-09 18:05:06,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:05:06,697 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 64 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:05:06,698 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1309473243] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:05:06,698 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:05:06,698 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 19] total 29 [2021-07-09 18:05:06,698 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630872409] [2021-07-09 18:05:06,698 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-09 18:05:06,698 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:05:06,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-09 18:05:06,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=722, Unknown=0, NotChecked=0, Total=870 [2021-07-09 18:05:06,699 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) [2021-07-09 18:05:07,070 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 10 [2021-07-09 18:05:10,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:05:10,569 INFO L93 Difference]: Finished difference Result 94822 states and 241988 transitions. [2021-07-09 18:05:10,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2021-07-09 18:05:10,569 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 [2021-07-09 18:05:10,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:05:10,796 INFO L225 Difference]: With dead ends: 94822 [2021-07-09 18:05:10,797 INFO L226 Difference]: Without dead ends: 94798 [2021-07-09 18:05:10,800 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 165 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11051 ImplicationChecksByTransitivity, 3167.3ms TimeCoverageRelationStatistics Valid=7112, Invalid=20610, Unknown=0, NotChecked=0, Total=27722 [2021-07-09 18:05:10,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94798 states. [2021-07-09 18:05:12,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94798 to 72019. [2021-07-09 18:05:12,416 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) [2021-07-09 18:05:12,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72019 states to 72019 states and 184885 transitions. [2021-07-09 18:05:12,583 INFO L78 Accepts]: Start accepts. Automaton has 72019 states and 184885 transitions. Word has length 44 [2021-07-09 18:05:12,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:05:12,583 INFO L482 AbstractCegarLoop]: Abstraction has 72019 states and 184885 transitions. [2021-07-09 18:05:12,583 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) [2021-07-09 18:05:12,583 INFO L276 IsEmpty]: Start isEmpty. Operand 72019 states and 184885 transitions. [2021-07-09 18:05:12,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-07-09 18:05:12,628 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:05:12,628 INFO L508 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 18:05:12,828 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17704,147 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 18:05:12,829 INFO L430 AbstractCegarLoop]: === Iteration 152 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:05:12,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:05:12,829 INFO L82 PathProgramCache]: Analyzing trace with hash 1705411512, now seen corresponding path program 147 times [2021-07-09 18:05:12,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:05:12,829 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944051171] [2021-07-09 18:05:12,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:05:12,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:05:12,916 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 57 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:05:12,916 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:05:12,916 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944051171] [2021-07-09 18:05:12,916 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944051171] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:05:12,917 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [120589102] [2021-07-09 18:05:12,917 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-07-09 18:05:12,949 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-07-09 18:05:12,949 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 18:05:12,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-09 18:05:12,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:05:13,270 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 57 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:05:13,271 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [120589102] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:05:13,271 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:05:13,271 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 19] total 29 [2021-07-09 18:05:13,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233640694] [2021-07-09 18:05:13,271 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-09 18:05:13,271 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:05:13,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-09 18:05:13,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=679, Unknown=0, NotChecked=0, Total=870 [2021-07-09 18:05:13,271 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) [2021-07-09 18:05:15,822 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 12 [2021-07-09 18:05:16,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:05:16,246 INFO L93 Difference]: Finished difference Result 73486 states and 187932 transitions. [2021-07-09 18:05:16,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-07-09 18:05:16,246 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 [2021-07-09 18:05:16,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:05:16,411 INFO L225 Difference]: With dead ends: 73486 [2021-07-09 18:05:16,411 INFO L226 Difference]: Without dead ends: 73482 [2021-07-09 18:05:16,412 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5767 ImplicationChecksByTransitivity, 2563.3ms TimeCoverageRelationStatistics Valid=3791, Invalid=12211, Unknown=0, NotChecked=0, Total=16002 [2021-07-09 18:05:16,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73482 states. [2021-07-09 18:05:17,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73482 to 72019. [2021-07-09 18:05:17,597 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) [2021-07-09 18:05:17,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72019 states to 72019 states and 184853 transitions. [2021-07-09 18:05:17,973 INFO L78 Accepts]: Start accepts. Automaton has 72019 states and 184853 transitions. Word has length 44 [2021-07-09 18:05:17,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:05:17,974 INFO L482 AbstractCegarLoop]: Abstraction has 72019 states and 184853 transitions. [2021-07-09 18:05:17,974 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) [2021-07-09 18:05:17,974 INFO L276 IsEmpty]: Start isEmpty. Operand 72019 states and 184853 transitions. [2021-07-09 18:05:18,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-07-09 18:05:18,023 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:05:18,023 INFO L508 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 18:05:18,239 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17705,148 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 18:05:18,239 INFO L430 AbstractCegarLoop]: === Iteration 153 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:05:18,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:05:18,240 INFO L82 PathProgramCache]: Analyzing trace with hash 823415346, now seen corresponding path program 148 times [2021-07-09 18:05:18,240 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:05:18,240 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379444347] [2021-07-09 18:05:18,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:05:18,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:05:18,333 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 69 proven. 43 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 18:05:18,333 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:05:18,333 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379444347] [2021-07-09 18:05:18,333 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379444347] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:05:18,334 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1606200301] [2021-07-09 18:05:18,334 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 [2021-07-09 18:05:18,365 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-09 18:05:18,366 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 18:05:18,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-09 18:05:18,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:05:18,891 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 57 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:05:18,892 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1606200301] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:05:18,892 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:05:18,892 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 19] total 29 [2021-07-09 18:05:18,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797713702] [2021-07-09 18:05:18,892 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-09 18:05:18,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:05:18,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-09 18:05:18,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=724, Unknown=0, NotChecked=0, Total=870 [2021-07-09 18:05:18,893 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) [2021-07-09 18:05:21,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:05:21,435 INFO L93 Difference]: Finished difference Result 89850 states and 230059 transitions. [2021-07-09 18:05:21,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-07-09 18:05:21,436 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 [2021-07-09 18:05:21,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:05:21,643 INFO L225 Difference]: With dead ends: 89850 [2021-07-09 18:05:21,643 INFO L226 Difference]: Without dead ends: 89823 [2021-07-09 18:05:21,644 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3652 ImplicationChecksByTransitivity, 2013.6ms TimeCoverageRelationStatistics Valid=2745, Invalid=8385, Unknown=0, NotChecked=0, Total=11130 [2021-07-09 18:05:21,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89823 states. [2021-07-09 18:05:23,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89823 to 71875. [2021-07-09 18:05:23,110 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) [2021-07-09 18:05:23,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71875 states to 71875 states and 185004 transitions. [2021-07-09 18:05:23,278 INFO L78 Accepts]: Start accepts. Automaton has 71875 states and 185004 transitions. Word has length 44 [2021-07-09 18:05:23,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:05:23,278 INFO L482 AbstractCegarLoop]: Abstraction has 71875 states and 185004 transitions. [2021-07-09 18:05:23,278 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) [2021-07-09 18:05:23,278 INFO L276 IsEmpty]: Start isEmpty. Operand 71875 states and 185004 transitions. [2021-07-09 18:05:23,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-07-09 18:05:23,323 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:05:23,323 INFO L508 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 18:05:23,523 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17706,149 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 18:05:23,523 INFO L430 AbstractCegarLoop]: === Iteration 154 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:05:23,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:05:23,524 INFO L82 PathProgramCache]: Analyzing trace with hash 1963210434, now seen corresponding path program 149 times [2021-07-09 18:05:23,524 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:05:23,524 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707872069] [2021-07-09 18:05:23,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:05:23,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:05:23,620 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 51 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:05:23,621 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:05:23,621 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707872069] [2021-07-09 18:05:23,621 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707872069] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:05:23,621 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [902522975] [2021-07-09 18:05:23,621 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 [2021-07-09 18:05:23,873 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2021-07-09 18:05:23,873 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 18:05:23,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-09 18:05:23,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:05:24,265 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 51 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:05:24,266 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [902522975] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:05:24,266 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:05:24,266 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 19] total 30 [2021-07-09 18:05:24,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228849920] [2021-07-09 18:05:24,266 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-09 18:05:24,266 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:05:24,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-09 18:05:24,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=744, Unknown=0, NotChecked=0, Total=930 [2021-07-09 18:05:24,267 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) [2021-07-09 18:05:25,158 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 13 [2021-07-09 18:05:27,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:05:27,435 INFO L93 Difference]: Finished difference Result 76106 states and 194599 transitions. [2021-07-09 18:05:27,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2021-07-09 18:05:27,436 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 [2021-07-09 18:05:27,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:05:27,607 INFO L225 Difference]: With dead ends: 76106 [2021-07-09 18:05:27,607 INFO L226 Difference]: Without dead ends: 76084 [2021-07-09 18:05:27,608 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5971 ImplicationChecksByTransitivity, 2628.5ms TimeCoverageRelationStatistics Valid=3872, Invalid=12640, Unknown=0, NotChecked=0, Total=16512 [2021-07-09 18:05:27,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76084 states. [2021-07-09 18:05:28,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76084 to 73137. [2021-07-09 18:05:28,983 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) [2021-07-09 18:05:29,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73137 states to 73137 states and 188357 transitions. [2021-07-09 18:05:29,177 INFO L78 Accepts]: Start accepts. Automaton has 73137 states and 188357 transitions. Word has length 44 [2021-07-09 18:05:29,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:05:29,177 INFO L482 AbstractCegarLoop]: Abstraction has 73137 states and 188357 transitions. [2021-07-09 18:05:29,178 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) [2021-07-09 18:05:29,178 INFO L276 IsEmpty]: Start isEmpty. Operand 73137 states and 188357 transitions. [2021-07-09 18:05:29,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-07-09 18:05:29,449 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:05:29,449 INFO L508 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 18:05:29,649 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 150 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17707 [2021-07-09 18:05:29,649 INFO L430 AbstractCegarLoop]: === Iteration 155 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:05:29,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:05:29,650 INFO L82 PathProgramCache]: Analyzing trace with hash -637321666, now seen corresponding path program 150 times [2021-07-09 18:05:29,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:05:29,650 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461893063] [2021-07-09 18:05:29,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:05:29,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:05:29,740 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 42 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:05:29,741 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:05:29,741 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461893063] [2021-07-09 18:05:29,741 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461893063] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:05:29,741 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [80933729] [2021-07-09 18:05:29,741 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 [2021-07-09 18:05:29,773 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2021-07-09 18:05:29,773 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 18:05:29,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-09 18:05:29,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:05:30,098 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 42 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:05:30,098 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [80933729] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:05:30,098 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:05:30,098 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 19] total 31 [2021-07-09 18:05:30,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509043493] [2021-07-09 18:05:30,098 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-07-09 18:05:30,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:05:30,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-07-09 18:05:30,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=807, Unknown=0, NotChecked=0, Total=992 [2021-07-09 18:05:30,099 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) [2021-07-09 18:05:32,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:05:32,915 INFO L93 Difference]: Finished difference Result 78532 states and 200306 transitions. [2021-07-09 18:05:32,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-07-09 18:05:32,916 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 [2021-07-09 18:05:32,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:05:33,182 INFO L225 Difference]: With dead ends: 78532 [2021-07-09 18:05:33,182 INFO L226 Difference]: Without dead ends: 78486 [2021-07-09 18:05:33,183 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6281 ImplicationChecksByTransitivity, 2309.7ms TimeCoverageRelationStatistics Valid=3964, Invalid=13066, Unknown=0, NotChecked=0, Total=17030 [2021-07-09 18:05:33,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78486 states. [2021-07-09 18:05:34,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78486 to 73094. [2021-07-09 18:05:34,647 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) [2021-07-09 18:05:35,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73094 states to 73094 states and 188563 transitions. [2021-07-09 18:05:35,019 INFO L78 Accepts]: Start accepts. Automaton has 73094 states and 188563 transitions. Word has length 44 [2021-07-09 18:05:35,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:05:35,019 INFO L482 AbstractCegarLoop]: Abstraction has 73094 states and 188563 transitions. [2021-07-09 18:05:35,019 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) [2021-07-09 18:05:35,019 INFO L276 IsEmpty]: Start isEmpty. Operand 73094 states and 188563 transitions. [2021-07-09 18:05:35,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-07-09 18:05:35,073 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:05:35,073 INFO L508 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 18:05:35,275 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17708,151 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 18:05:35,276 INFO L430 AbstractCegarLoop]: === Iteration 156 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:05:35,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:05:35,276 INFO L82 PathProgramCache]: Analyzing trace with hash -77703494, now seen corresponding path program 151 times [2021-07-09 18:05:35,276 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:05:35,276 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149852020] [2021-07-09 18:05:35,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:05:35,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:05:35,373 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 37 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:05:35,373 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:05:35,373 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149852020] [2021-07-09 18:05:35,374 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149852020] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:05:35,374 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1300373636] [2021-07-09 18:05:35,374 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 [2021-07-09 18:05:35,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:05:35,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-09 18:05:35,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:05:35,729 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 37 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:05:35,730 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1300373636] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:05:35,730 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:05:35,730 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 19] total 32 [2021-07-09 18:05:35,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99174700] [2021-07-09 18:05:35,730 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-09 18:05:35,730 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:05:35,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-09 18:05:35,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=868, Unknown=0, NotChecked=0, Total=1056 [2021-07-09 18:05:35,730 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) [2021-07-09 18:05:36,366 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 11 [2021-07-09 18:05:38,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:05:38,467 INFO L93 Difference]: Finished difference Result 79388 states and 202095 transitions. [2021-07-09 18:05:38,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-07-09 18:05:38,468 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 2.3636363636363638) internal successors, (78), 32 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-07-09 18:05:38,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:05:38,725 INFO L225 Difference]: With dead ends: 79388 [2021-07-09 18:05:38,726 INFO L226 Difference]: Without dead ends: 79324 [2021-07-09 18:05:38,726 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6570 ImplicationChecksByTransitivity, 2219.9ms TimeCoverageRelationStatistics Valid=4066, Invalid=13490, Unknown=0, NotChecked=0, Total=17556 [2021-07-09 18:05:38,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79324 states. [2021-07-09 18:05:40,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79324 to 70876. [2021-07-09 18:05:40,309 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) [2021-07-09 18:05:40,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70876 states to 70876 states and 183285 transitions. [2021-07-09 18:05:40,483 INFO L78 Accepts]: Start accepts. Automaton has 70876 states and 183285 transitions. Word has length 44 [2021-07-09 18:05:40,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:05:40,483 INFO L482 AbstractCegarLoop]: Abstraction has 70876 states and 183285 transitions. [2021-07-09 18:05:40,483 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) [2021-07-09 18:05:40,483 INFO L276 IsEmpty]: Start isEmpty. Operand 70876 states and 183285 transitions. [2021-07-09 18:05:40,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-07-09 18:05:40,528 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:05:40,528 INFO L508 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 18:05:40,728 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 152 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17709 [2021-07-09 18:05:40,729 INFO L430 AbstractCegarLoop]: === Iteration 157 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:05:40,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:05:40,730 INFO L82 PathProgramCache]: Analyzing trace with hash 844447798, now seen corresponding path program 152 times [2021-07-09 18:05:40,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:05:40,730 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958471588] [2021-07-09 18:05:40,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:05:40,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:05:40,846 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 36 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:05:40,846 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:05:40,846 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958471588] [2021-07-09 18:05:40,846 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958471588] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:05:40,846 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1119111156] [2021-07-09 18:05:40,847 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 [2021-07-09 18:05:40,875 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 18:05:40,875 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 18:05:40,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-09 18:05:40,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:05:41,209 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 36 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:05:41,209 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1119111156] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:05:41,209 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:05:41,209 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 19] total 33 [2021-07-09 18:05:41,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33584766] [2021-07-09 18:05:41,209 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-09 18:05:41,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:05:41,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-09 18:05:41,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=927, Unknown=0, NotChecked=0, Total=1122 [2021-07-09 18:05:41,210 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) [2021-07-09 18:05:44,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:05:44,097 INFO L93 Difference]: Finished difference Result 78292 states and 198968 transitions. [2021-07-09 18:05:44,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-07-09 18:05:44,098 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 [2021-07-09 18:05:44,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:05:44,264 INFO L225 Difference]: With dead ends: 78292 [2021-07-09 18:05:44,265 INFO L226 Difference]: Without dead ends: 78222 [2021-07-09 18:05:44,265 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6842 ImplicationChecksByTransitivity, 2398.4ms TimeCoverageRelationStatistics Valid=4177, Invalid=13913, Unknown=0, NotChecked=0, Total=18090 [2021-07-09 18:05:44,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78222 states. [2021-07-09 18:05:45,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78222 to 66237. [2021-07-09 18:05:45,616 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) [2021-07-09 18:05:45,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66237 states to 66237 states and 171709 transitions. [2021-07-09 18:05:45,764 INFO L78 Accepts]: Start accepts. Automaton has 66237 states and 171709 transitions. Word has length 44 [2021-07-09 18:05:45,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:05:45,764 INFO L482 AbstractCegarLoop]: Abstraction has 66237 states and 171709 transitions. [2021-07-09 18:05:45,765 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) [2021-07-09 18:05:45,765 INFO L276 IsEmpty]: Start isEmpty. Operand 66237 states and 171709 transitions. [2021-07-09 18:05:45,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-07-09 18:05:45,805 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:05:45,805 INFO L508 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 18:05:46,007 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 153 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17710 [2021-07-09 18:05:46,007 INFO L430 AbstractCegarLoop]: === Iteration 158 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:05:46,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:05:46,007 INFO L82 PathProgramCache]: Analyzing trace with hash -2026390862, now seen corresponding path program 153 times [2021-07-09 18:05:46,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:05:46,007 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837919243] [2021-07-09 18:05:46,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:05:46,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:05:46,307 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 39 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:05:46,307 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:05:46,307 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837919243] [2021-07-09 18:05:46,307 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837919243] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:05:46,307 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1515433652] [2021-07-09 18:05:46,307 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 [2021-07-09 18:05:46,346 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2021-07-09 18:05:46,346 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 18:05:46,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-09 18:05:46,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:05:46,721 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 39 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:05:46,721 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1515433652] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:05:46,722 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:05:46,722 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 19] total 34 [2021-07-09 18:05:46,722 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583612910] [2021-07-09 18:05:46,722 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 18:05:46,722 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:05:46,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 18:05:46,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=206, Invalid=984, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 18:05:46,722 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) [2021-07-09 18:05:47,592 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 13 [2021-07-09 18:05:49,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:05:49,524 INFO L93 Difference]: Finished difference Result 75317 states and 190900 transitions. [2021-07-09 18:05:49,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-09 18:05:49,524 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 [2021-07-09 18:05:49,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:05:49,690 INFO L225 Difference]: With dead ends: 75317 [2021-07-09 18:05:49,690 INFO L226 Difference]: Without dead ends: 75249 [2021-07-09 18:05:49,691 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7072 ImplicationChecksByTransitivity, 2582.4ms TimeCoverageRelationStatistics Valid=4296, Invalid=14336, Unknown=0, NotChecked=0, Total=18632 [2021-07-09 18:05:49,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75249 states. [2021-07-09 18:05:50,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75249 to 60412. [2021-07-09 18:05:51,005 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) [2021-07-09 18:05:51,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60412 states to 60412 states and 156833 transitions. [2021-07-09 18:05:51,139 INFO L78 Accepts]: Start accepts. Automaton has 60412 states and 156833 transitions. Word has length 44 [2021-07-09 18:05:51,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:05:51,139 INFO L482 AbstractCegarLoop]: Abstraction has 60412 states and 156833 transitions. [2021-07-09 18:05:51,140 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) [2021-07-09 18:05:51,140 INFO L276 IsEmpty]: Start isEmpty. Operand 60412 states and 156833 transitions. [2021-07-09 18:05:51,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-07-09 18:05:51,175 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:05:51,175 INFO L508 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 18:05:51,375 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17711,154 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 18:05:51,376 INFO L430 AbstractCegarLoop]: === Iteration 159 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:05:51,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:05:51,376 INFO L82 PathProgramCache]: Analyzing trace with hash 761628206, now seen corresponding path program 154 times [2021-07-09 18:05:51,376 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:05:51,376 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545022488] [2021-07-09 18:05:51,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:05:51,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:05:51,508 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 46 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:05:51,509 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:05:51,509 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545022488] [2021-07-09 18:05:51,509 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545022488] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:05:51,509 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1127668680] [2021-07-09 18:05:51,509 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 [2021-07-09 18:05:51,536 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-09 18:05:51,536 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 18:05:51,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-09 18:05:51,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:05:52,026 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2021-07-09 18:05:52,061 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 46 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:05:52,061 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1127668680] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:05:52,062 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:05:52,062 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19] total 35 [2021-07-09 18:05:52,062 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930652741] [2021-07-09 18:05:52,062 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-07-09 18:05:52,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:05:52,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-07-09 18:05:52,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=221, Invalid=1039, Unknown=0, NotChecked=0, Total=1260 [2021-07-09 18:05:52,062 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) [2021-07-09 18:05:54,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:05:54,823 INFO L93 Difference]: Finished difference Result 71294 states and 180046 transitions. [2021-07-09 18:05:54,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2021-07-09 18:05:54,824 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 [2021-07-09 18:05:54,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:05:54,979 INFO L225 Difference]: With dead ends: 71294 [2021-07-09 18:05:54,980 INFO L226 Difference]: Without dead ends: 71236 [2021-07-09 18:05:54,980 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7215 ImplicationChecksByTransitivity, 2534.0ms TimeCoverageRelationStatistics Valid=4422, Invalid=14760, Unknown=0, NotChecked=0, Total=19182 [2021-07-09 18:05:55,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71236 states. [2021-07-09 18:05:56,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71236 to 55869. [2021-07-09 18:05:56,122 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) [2021-07-09 18:05:56,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55869 states to 55869 states and 144931 transitions. [2021-07-09 18:05:56,239 INFO L78 Accepts]: Start accepts. Automaton has 55869 states and 144931 transitions. Word has length 44 [2021-07-09 18:05:56,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:05:56,239 INFO L482 AbstractCegarLoop]: Abstraction has 55869 states and 144931 transitions. [2021-07-09 18:05:56,239 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) [2021-07-09 18:05:56,240 INFO L276 IsEmpty]: Start isEmpty. Operand 55869 states and 144931 transitions. [2021-07-09 18:05:56,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-07-09 18:05:56,271 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:05:56,271 INFO L508 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 18:05:56,471 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17712,155 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 18:05:56,471 INFO L430 AbstractCegarLoop]: === Iteration 160 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:05:56,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:05:56,472 INFO L82 PathProgramCache]: Analyzing trace with hash -1467247882, now seen corresponding path program 155 times [2021-07-09 18:05:56,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:05:56,472 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428300423] [2021-07-09 18:05:56,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:05:56,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:05:56,621 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 48 proven. 64 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 18:05:56,621 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:05:56,621 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428300423] [2021-07-09 18:05:56,621 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428300423] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:05:56,621 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [345419635] [2021-07-09 18:05:56,621 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 [2021-07-09 18:05:56,650 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-07-09 18:05:56,650 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 18:05:56,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-09 18:05:56,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:05:56,986 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 42 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:05:56,986 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [345419635] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:05:56,986 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:05:56,986 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 36 [2021-07-09 18:05:56,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707417881] [2021-07-09 18:05:56,987 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-09 18:05:56,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:05:56,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-09 18:05:56,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=232, Invalid=1100, Unknown=0, NotChecked=0, Total=1332 [2021-07-09 18:05:56,987 INFO L87 Difference]: Start difference. First operand 55869 states and 144931 transitions. Second operand has 37 states, 37 states have (on average 2.189189189189189) internal successors, (81), 36 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:06:00,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:06:00,007 INFO L93 Difference]: Finished difference Result 63141 states and 160316 transitions. [2021-07-09 18:06:00,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-07-09 18:06:00,007 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 2.189189189189189) internal successors, (81), 36 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-07-09 18:06:00,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:06:00,133 INFO L225 Difference]: With dead ends: 63141 [2021-07-09 18:06:00,133 INFO L226 Difference]: Without dead ends: 63141 [2021-07-09 18:06:00,134 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5668 ImplicationChecksByTransitivity, 2499.5ms TimeCoverageRelationStatistics Valid=4294, Invalid=13528, Unknown=0, NotChecked=0, Total=17822 [2021-07-09 18:06:00,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63141 states.