/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Separate.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/counter-fun.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-29289db [2021-06-05 15:16:54,238 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-05 15:16:54,239 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-05 15:16:54,272 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-05 15:16:54,323 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-Separate.epf [2021-06-05 15:16:54,344 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-05 15:16:54,344 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-05 15:16:54,344 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-05 15:16:54,344 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-05 15:16:54,346 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-05 15:16:54,346 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-05 15:16:54,346 INFO L138 SettingsManager]: * Use SBE=true [2021-06-05 15:16:54,346 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-05 15:16:54,346 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-05 15:16:54,347 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-05 15:16:54,347 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-05 15:16:54,347 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-05 15:16:54,347 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-05 15:16:54,347 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-05 15:16:54,347 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-05 15:16:54,348 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-05 15:16:54,348 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-05 15:16:54,348 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-05 15:16:54,348 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-05 15:16:54,348 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-05 15:16:54,348 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-05 15:16:54,348 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-05 15:16:54,348 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-05 15:16:54,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-05 15:16:54,348 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-05 15:16:54,348 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-05 15:16:54,349 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-05 15:16:54,349 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-05 15:16:54,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-05 15:16:54,349 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-05 15:16:54,349 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-05 15:16:54,349 INFO L138 SettingsManager]: * Check the insufficient thread errors last=true [2021-06-05 15:16:54,349 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-05 15:16:54,602 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-05 15:16:54,628 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-05 15:16:54,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-05 15:16:54,630 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-05 15:16:54,631 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-05 15:16:54,632 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/counter-fun.wvr.bpl [2021-06-05 15:16:54,632 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/counter-fun.wvr.bpl' [2021-06-05 15:16:54,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-05 15:16:54,664 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-05 15:16:54,665 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-05 15:16:54,665 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-05 15:16:54,665 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-05 15:16:54,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 03:16:54" (1/1) ... [2021-06-05 15:16:54,682 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 03:16:54" (1/1) ... [2021-06-05 15:16:54,695 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-05 15:16:54,695 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-05 15:16:54,696 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-05 15:16:54,696 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-05 15:16:54,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 03:16:54" (1/1) ... [2021-06-05 15:16:54,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 03:16:54" (1/1) ... [2021-06-05 15:16:54,701 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 03:16:54" (1/1) ... [2021-06-05 15:16:54,702 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 03:16:54" (1/1) ... [2021-06-05 15:16:54,704 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 03:16:54" (1/1) ... [2021-06-05 15:16:54,706 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 03:16:54" (1/1) ... [2021-06-05 15:16:54,707 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 03:16:54" (1/1) ... [2021-06-05 15:16:54,707 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-05 15:16:54,709 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-05 15:16:54,709 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-05 15:16:54,710 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-05 15:16:54,711 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 03:16:54" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-05 15:16:54,769 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-05 15:16:54,769 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-05 15:16:54,769 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-05 15:16:54,769 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-05 15:16:54,770 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-05 15:16:54,770 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-05 15:16:54,770 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-05 15:16:54,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-05 15:16:54,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-05 15:16:54,772 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-05 15:16:54,900 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-05 15:16:54,900 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-05 15:16:54,902 INFO L202 PluginConnector]: Adding new model counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 03:16:54 BoogieIcfgContainer [2021-06-05 15:16:54,902 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-05 15:16:54,903 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-05 15:16:54,903 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-05 15:16:54,905 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-05 15:16:54,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 03:16:54" (1/2) ... [2021-06-05 15:16:54,905 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e7814c5 and model type counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 03:16:54, skipping insertion in model container [2021-06-05 15:16:54,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 03:16:54" (2/2) ... [2021-06-05 15:16:54,906 INFO L111 eAbstractionObserver]: Analyzing ICFG counter-fun.wvr.bpl [2021-06-05 15:16:54,910 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-05 15:16:54,910 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-05 15:16:54,910 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-05 15:16:54,910 INFO L510 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-05 15:16:54,929 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-05 15:16:54,943 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-06-05 15:16:54,954 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 15:16:54,954 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 15:16:54,955 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 15:16:54,955 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 15:16:54,955 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 15:16:54,955 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 15:16:54,955 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 15:16:54,955 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-05 15:16:54,960 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 27 places, 22 transitions, 60 flow [2021-06-05 15:16:54,984 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 34 states, 32 states have (on average 1.8125) internal successors, (58), 33 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:16:54,986 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 32 states have (on average 1.8125) internal successors, (58), 33 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:16:54,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-06-05 15:16:54,990 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:16:54,995 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:16:54,995 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:16:54,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:16:54,999 INFO L82 PathProgramCache]: Analyzing trace with hash -1451168716, now seen corresponding path program 1 times [2021-06-05 15:16:55,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:16:55,014 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439427447] [2021-06-05 15:16:55,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:16:55,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:16:55,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:16:55,096 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:16:55,096 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439427447] [2021-06-05 15:16:55,097 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439427447] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 15:16:55,097 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 15:16:55,097 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-05 15:16:55,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804697003] [2021-06-05 15:16:55,100 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-05 15:16:55,100 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:16:55,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-05 15:16:55,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 15:16:55,109 INFO L87 Difference]: Start difference. First operand has 34 states, 32 states have (on average 1.8125) internal successors, (58), 33 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:16:55,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:16:55,124 INFO L93 Difference]: Finished difference Result 57 states and 105 transitions. [2021-06-05 15:16:55,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-05 15:16:55,126 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-06-05 15:16:55,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:16:55,131 INFO L225 Difference]: With dead ends: 57 [2021-06-05 15:16:55,131 INFO L226 Difference]: Without dead ends: 50 [2021-06-05 15:16:55,132 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 15:16:55,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2021-06-05 15:16:55,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 41. [2021-06-05 15:16:55,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 40 states have (on average 1.85) internal successors, (74), 40 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:16:55,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 74 transitions. [2021-06-05 15:16:55,154 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 74 transitions. Word has length 14 [2021-06-05 15:16:55,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:16:55,155 INFO L482 AbstractCegarLoop]: Abstraction has 41 states and 74 transitions. [2021-06-05 15:16:55,155 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:16:55,155 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 74 transitions. [2021-06-05 15:16:55,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-06-05 15:16:55,156 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:16:55,156 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:16:55,156 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-05 15:16:55,156 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:16:55,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:16:55,157 INFO L82 PathProgramCache]: Analyzing trace with hash -334624586, now seen corresponding path program 1 times [2021-06-05 15:16:55,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:16:55,157 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754735365] [2021-06-05 15:16:55,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:16:55,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:16:55,234 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:16:55,234 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:16:55,235 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754735365] [2021-06-05 15:16:55,235 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754735365] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:16:55,235 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1008601998] [2021-06-05 15:16:55,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:16:55,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:16:55,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-05 15:16:55,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:16:55,450 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:16:55,450 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1008601998] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:16:55,450 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:16:55,450 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2021-06-05 15:16:55,451 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241058557] [2021-06-05 15:16:55,451 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-05 15:16:55,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:16:55,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-05 15:16:55,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-06-05 15:16:55,455 INFO L87 Difference]: Start difference. First operand 41 states and 74 transitions. Second operand has 10 states, 10 states have (on average 2.6) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:16:55,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:16:55,585 INFO L93 Difference]: Finished difference Result 68 states and 120 transitions. [2021-06-05 15:16:55,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-05 15:16:55,586 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.6) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-06-05 15:16:55,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:16:55,589 INFO L225 Difference]: With dead ends: 68 [2021-06-05 15:16:55,589 INFO L226 Difference]: Without dead ends: 68 [2021-06-05 15:16:55,590 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 132.0ms TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2021-06-05 15:16:55,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2021-06-05 15:16:55,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 41. [2021-06-05 15:16:55,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 40 states have (on average 1.9) internal successors, (76), 40 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:16:55,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 76 transitions. [2021-06-05 15:16:55,602 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 76 transitions. Word has length 16 [2021-06-05 15:16:55,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:16:55,603 INFO L482 AbstractCegarLoop]: Abstraction has 41 states and 76 transitions. [2021-06-05 15:16:55,603 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 2.6) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:16:55,604 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 76 transitions. [2021-06-05 15:16:55,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-06-05 15:16:55,605 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:16:55,605 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:16:55,823 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-06-05 15:16:55,824 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:16:55,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:16:55,825 INFO L82 PathProgramCache]: Analyzing trace with hash 368180722, now seen corresponding path program 1 times [2021-06-05 15:16:55,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:16:55,825 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526331586] [2021-06-05 15:16:55,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:16:55,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:16:55,874 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:16:55,874 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:16:55,874 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526331586] [2021-06-05 15:16:55,875 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526331586] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 15:16:55,875 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 15:16:55,875 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-05 15:16:55,875 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309294415] [2021-06-05 15:16:55,876 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 15:16:55,876 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:16:55,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 15:16:55,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-06-05 15:16:55,879 INFO L87 Difference]: Start difference. First operand 41 states and 76 transitions. Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:16:55,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:16:55,940 INFO L93 Difference]: Finished difference Result 71 states and 125 transitions. [2021-06-05 15:16:55,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-05 15:16:55,941 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-06-05 15:16:55,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:16:55,947 INFO L225 Difference]: With dead ends: 71 [2021-06-05 15:16:55,947 INFO L226 Difference]: Without dead ends: 66 [2021-06-05 15:16:55,948 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 35.4ms TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-06-05 15:16:55,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2021-06-05 15:16:55,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 49. [2021-06-05 15:16:55,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.8958333333333333) internal successors, (91), 48 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:16:55,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 91 transitions. [2021-06-05 15:16:55,957 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 91 transitions. Word has length 16 [2021-06-05 15:16:55,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:16:55,958 INFO L482 AbstractCegarLoop]: Abstraction has 49 states and 91 transitions. [2021-06-05 15:16:55,958 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:16:55,958 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 91 transitions. [2021-06-05 15:16:55,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-06-05 15:16:55,959 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:16:55,959 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:16:55,959 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-05 15:16:55,959 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:16:55,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:16:55,960 INFO L82 PathProgramCache]: Analyzing trace with hash -896747138, now seen corresponding path program 2 times [2021-06-05 15:16:55,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:16:55,960 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114480297] [2021-06-05 15:16:55,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:16:55,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:16:56,010 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:16:56,010 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:16:56,010 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114480297] [2021-06-05 15:16:56,011 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114480297] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 15:16:56,011 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 15:16:56,011 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-05 15:16:56,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059495134] [2021-06-05 15:16:56,011 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 15:16:56,011 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:16:56,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 15:16:56,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-06-05 15:16:56,013 INFO L87 Difference]: Start difference. First operand 49 states and 91 transitions. Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:16:56,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:16:56,058 INFO L93 Difference]: Finished difference Result 51 states and 94 transitions. [2021-06-05 15:16:56,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-05 15:16:56,058 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-06-05 15:16:56,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:16:56,060 INFO L225 Difference]: With dead ends: 51 [2021-06-05 15:16:56,060 INFO L226 Difference]: Without dead ends: 51 [2021-06-05 15:16:56,060 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 37.5ms TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-06-05 15:16:56,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-06-05 15:16:56,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 43. [2021-06-05 15:16:56,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 42 states have (on average 1.880952380952381) internal successors, (79), 42 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:16:56,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 79 transitions. [2021-06-05 15:16:56,068 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 79 transitions. Word has length 16 [2021-06-05 15:16:56,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:16:56,068 INFO L482 AbstractCegarLoop]: Abstraction has 43 states and 79 transitions. [2021-06-05 15:16:56,068 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:16:56,068 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 79 transitions. [2021-06-05 15:16:56,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-06-05 15:16:56,069 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:16:56,069 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:16:56,069 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-05 15:16:56,069 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:16:56,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:16:56,069 INFO L82 PathProgramCache]: Analyzing trace with hash 2014322076, now seen corresponding path program 2 times [2021-06-05 15:16:56,070 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:16:56,070 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244068042] [2021-06-05 15:16:56,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:16:56,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:16:56,117 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:16:56,118 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:16:56,118 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244068042] [2021-06-05 15:16:56,119 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244068042] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 15:16:56,119 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 15:16:56,119 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-05 15:16:56,119 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501642836] [2021-06-05 15:16:56,119 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 15:16:56,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:16:56,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 15:16:56,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-06-05 15:16:56,120 INFO L87 Difference]: Start difference. First operand 43 states and 79 transitions. Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:16:56,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:16:56,171 INFO L93 Difference]: Finished difference Result 51 states and 92 transitions. [2021-06-05 15:16:56,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-05 15:16:56,171 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-06-05 15:16:56,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:16:56,172 INFO L225 Difference]: With dead ends: 51 [2021-06-05 15:16:56,172 INFO L226 Difference]: Without dead ends: 49 [2021-06-05 15:16:56,172 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 37.3ms TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-06-05 15:16:56,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-06-05 15:16:56,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 43. [2021-06-05 15:16:56,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 42 states have (on average 1.8571428571428572) internal successors, (78), 42 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:16:56,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 78 transitions. [2021-06-05 15:16:56,177 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 78 transitions. Word has length 16 [2021-06-05 15:16:56,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:16:56,178 INFO L482 AbstractCegarLoop]: Abstraction has 43 states and 78 transitions. [2021-06-05 15:16:56,178 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:16:56,178 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 78 transitions. [2021-06-05 15:16:56,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-06-05 15:16:56,178 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:16:56,179 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:16:56,179 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-05 15:16:56,179 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:16:56,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:16:56,179 INFO L82 PathProgramCache]: Analyzing trace with hash -374734348, now seen corresponding path program 1 times [2021-06-05 15:16:56,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:16:56,181 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22129233] [2021-06-05 15:16:56,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:16:56,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:16:56,252 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:16:56,253 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:16:56,253 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22129233] [2021-06-05 15:16:56,253 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22129233] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:16:56,253 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [458272951] [2021-06-05 15:16:56,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:16:56,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:16:56,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-05 15:16:56,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:16:56,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-06-05 15:16:56,336 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:16:56,338 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:16:56,338 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:16:56,339 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:5 [2021-06-05 15:16:56,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-05 15:16:56,369 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:16:56,370 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:16:56,370 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:16:56,370 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-06-05 15:16:56,376 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:16:56,376 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [458272951] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:16:56,376 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:16:56,376 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-06-05 15:16:56,376 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040575694] [2021-06-05 15:16:56,376 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-05 15:16:56,376 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:16:56,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-05 15:16:56,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-05 15:16:56,377 INFO L87 Difference]: Start difference. First operand 43 states and 78 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:16:56,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:16:56,388 INFO L93 Difference]: Finished difference Result 99 states and 186 transitions. [2021-06-05 15:16:56,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-05 15:16:56,388 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-06-05 15:16:56,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:16:56,389 INFO L225 Difference]: With dead ends: 99 [2021-06-05 15:16:56,389 INFO L226 Difference]: Without dead ends: 92 [2021-06-05 15:16:56,389 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.8ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-05 15:16:56,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2021-06-05 15:16:56,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 69. [2021-06-05 15:16:56,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 68 states have (on average 2.0441176470588234) internal successors, (139), 68 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:16:56,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 139 transitions. [2021-06-05 15:16:56,397 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 139 transitions. Word has length 18 [2021-06-05 15:16:56,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:16:56,397 INFO L482 AbstractCegarLoop]: Abstraction has 69 states and 139 transitions. [2021-06-05 15:16:56,397 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:16:56,397 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 139 transitions. [2021-06-05 15:16:56,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-06-05 15:16:56,400 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:16:56,400 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:16:56,616 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:16:56,617 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:16:56,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:16:56,617 INFO L82 PathProgramCache]: Analyzing trace with hash -1555556108, now seen corresponding path program 2 times [2021-06-05 15:16:56,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:16:56,617 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254904426] [2021-06-05 15:16:56,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:16:56,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:16:56,633 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 15:16:56,633 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:16:56,633 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254904426] [2021-06-05 15:16:56,633 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254904426] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 15:16:56,634 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 15:16:56,634 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-05 15:16:56,634 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209226426] [2021-06-05 15:16:56,634 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-05 15:16:56,634 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:16:56,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-05 15:16:56,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-05 15:16:56,634 INFO L87 Difference]: Start difference. First operand 69 states and 139 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:16:56,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:16:56,644 INFO L93 Difference]: Finished difference Result 118 states and 233 transitions. [2021-06-05 15:16:56,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-05 15:16:56,645 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-06-05 15:16:56,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:16:56,645 INFO L225 Difference]: With dead ends: 118 [2021-06-05 15:16:56,645 INFO L226 Difference]: Without dead ends: 111 [2021-06-05 15:16:56,646 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.9ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-05 15:16:56,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2021-06-05 15:16:56,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 86. [2021-06-05 15:16:56,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 85 states have (on average 2.1294117647058823) internal successors, (181), 85 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:16:56,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 181 transitions. [2021-06-05 15:16:56,648 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 181 transitions. Word has length 18 [2021-06-05 15:16:56,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:16:56,649 INFO L482 AbstractCegarLoop]: Abstraction has 86 states and 181 transitions. [2021-06-05 15:16:56,649 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:16:56,649 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 181 transitions. [2021-06-05 15:16:56,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-06-05 15:16:56,649 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:16:56,649 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:16:56,649 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-05 15:16:56,649 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:16:56,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:16:56,650 INFO L82 PathProgramCache]: Analyzing trace with hash -1351545482, now seen corresponding path program 3 times [2021-06-05 15:16:56,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:16:56,650 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664462000] [2021-06-05 15:16:56,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:16:56,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:16:56,696 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:16:56,696 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:16:56,696 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664462000] [2021-06-05 15:16:56,696 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664462000] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:16:56,696 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1659132333] [2021-06-05 15:16:56,696 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:16:56,719 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-05 15:16:56,720 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:16:56,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-05 15:16:56,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:16:56,824 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:16:56,824 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1659132333] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:16:56,824 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:16:56,824 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2021-06-05 15:16:56,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793642945] [2021-06-05 15:16:56,825 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-05 15:16:56,825 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:16:56,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-05 15:16:56,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2021-06-05 15:16:56,825 INFO L87 Difference]: Start difference. First operand 86 states and 181 transitions. Second operand has 14 states, 14 states have (on average 2.4285714285714284) internal successors, (34), 13 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:16:57,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:16:57,072 INFO L93 Difference]: Finished difference Result 213 states and 407 transitions. [2021-06-05 15:16:57,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-05 15:16:57,072 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.4285714285714284) internal successors, (34), 13 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-06-05 15:16:57,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:16:57,073 INFO L225 Difference]: With dead ends: 213 [2021-06-05 15:16:57,073 INFO L226 Difference]: Without dead ends: 213 [2021-06-05 15:16:57,074 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 224.9ms TimeCoverageRelationStatistics Valid=185, Invalid=465, Unknown=0, NotChecked=0, Total=650 [2021-06-05 15:16:57,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2021-06-05 15:16:57,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 88. [2021-06-05 15:16:57,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 87 states have (on average 2.1494252873563218) internal successors, (187), 87 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:16:57,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 187 transitions. [2021-06-05 15:16:57,080 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 187 transitions. Word has length 20 [2021-06-05 15:16:57,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:16:57,080 INFO L482 AbstractCegarLoop]: Abstraction has 88 states and 187 transitions. [2021-06-05 15:16:57,080 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 2.4285714285714284) internal successors, (34), 13 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:16:57,080 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 187 transitions. [2021-06-05 15:16:57,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-06-05 15:16:57,080 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:16:57,081 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:16:57,297 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:16:57,297 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:16:57,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:16:57,298 INFO L82 PathProgramCache]: Analyzing trace with hash -265509966, now seen corresponding path program 4 times [2021-06-05 15:16:57,298 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:16:57,298 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192441322] [2021-06-05 15:16:57,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:16:57,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:16:57,335 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:16:57,336 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:16:57,336 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192441322] [2021-06-05 15:16:57,336 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192441322] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:16:57,336 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2067388357] [2021-06-05 15:16:57,336 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:16:57,361 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 15:16:57,361 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:16:57,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-05 15:16:57,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:16:57,461 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:16:57,461 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2067388357] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:16:57,461 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:16:57,461 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-06-05 15:16:57,461 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764842376] [2021-06-05 15:16:57,461 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-05 15:16:57,462 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:16:57,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-05 15:16:57,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-06-05 15:16:57,462 INFO L87 Difference]: Start difference. First operand 88 states and 187 transitions. Second operand has 13 states, 13 states have (on average 2.4615384615384617) internal successors, (32), 12 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:16:57,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:16:57,753 INFO L93 Difference]: Finished difference Result 257 states and 488 transitions. [2021-06-05 15:16:57,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-05 15:16:57,754 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.4615384615384617) internal successors, (32), 12 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-06-05 15:16:57,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:16:57,754 INFO L225 Difference]: With dead ends: 257 [2021-06-05 15:16:57,754 INFO L226 Difference]: Without dead ends: 234 [2021-06-05 15:16:57,755 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 251.2ms TimeCoverageRelationStatistics Valid=177, Invalid=473, Unknown=0, NotChecked=0, Total=650 [2021-06-05 15:16:57,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2021-06-05 15:16:57,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 108. [2021-06-05 15:16:57,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 107 states have (on average 2.149532710280374) internal successors, (230), 107 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:16:57,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 230 transitions. [2021-06-05 15:16:57,760 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 230 transitions. Word has length 20 [2021-06-05 15:16:57,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:16:57,761 INFO L482 AbstractCegarLoop]: Abstraction has 108 states and 230 transitions. [2021-06-05 15:16:57,761 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 2.4615384615384617) internal successors, (32), 12 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:16:57,761 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 230 transitions. [2021-06-05 15:16:57,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-06-05 15:16:57,761 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:16:57,761 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:16:57,977 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:16:57,979 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:16:57,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:16:57,979 INFO L82 PathProgramCache]: Analyzing trace with hash -698013310, now seen corresponding path program 5 times [2021-06-05 15:16:57,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:16:57,979 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436353466] [2021-06-05 15:16:57,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:16:57,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:16:58,013 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:16:58,013 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:16:58,013 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436353466] [2021-06-05 15:16:58,013 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436353466] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:16:58,013 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2079726453] [2021-06-05 15:16:58,013 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:16:58,054 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-05 15:16:58,054 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:16:58,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-05 15:16:58,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:16:58,136 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:16:58,136 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2079726453] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:16:58,136 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:16:58,136 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 11 [2021-06-05 15:16:58,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809079752] [2021-06-05 15:16:58,136 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-05 15:16:58,137 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:16:58,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-05 15:16:58,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-06-05 15:16:58,137 INFO L87 Difference]: Start difference. First operand 108 states and 230 transitions. Second operand has 12 states, 12 states have (on average 2.5) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:16:58,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:16:58,402 INFO L93 Difference]: Finished difference Result 236 states and 462 transitions. [2021-06-05 15:16:58,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 15:16:58,403 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.5) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-06-05 15:16:58,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:16:58,403 INFO L225 Difference]: With dead ends: 236 [2021-06-05 15:16:58,404 INFO L226 Difference]: Without dead ends: 236 [2021-06-05 15:16:58,404 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 206.4ms TimeCoverageRelationStatistics Valid=155, Invalid=351, Unknown=0, NotChecked=0, Total=506 [2021-06-05 15:16:58,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2021-06-05 15:16:58,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 131. [2021-06-05 15:16:58,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 130 states have (on average 2.230769230769231) internal successors, (290), 130 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:16:58,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 290 transitions. [2021-06-05 15:16:58,407 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 290 transitions. Word has length 20 [2021-06-05 15:16:58,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:16:58,407 INFO L482 AbstractCegarLoop]: Abstraction has 131 states and 290 transitions. [2021-06-05 15:16:58,407 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.5) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:16:58,407 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 290 transitions. [2021-06-05 15:16:58,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-06-05 15:16:58,408 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:16:58,408 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:16:58,616 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-06-05 15:16:58,617 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:16:58,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:16:58,617 INFO L82 PathProgramCache]: Analyzing trace with hash -2081911392, now seen corresponding path program 6 times [2021-06-05 15:16:58,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:16:58,617 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161855483] [2021-06-05 15:16:58,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:16:58,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:16:58,648 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:16:58,649 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:16:58,649 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161855483] [2021-06-05 15:16:58,649 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161855483] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:16:58,649 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [7138329] [2021-06-05 15:16:58,649 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) [2021-06-05 15:16:58,682 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-05 15:16:58,683 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:16:58,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-05 15:16:58,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:16:58,769 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:16:58,769 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [7138329] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:16:58,769 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:16:58,769 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 11 [2021-06-05 15:16:58,770 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942517124] [2021-06-05 15:16:58,771 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-05 15:16:58,771 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:16:58,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-05 15:16:58,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2021-06-05 15:16:58,771 INFO L87 Difference]: Start difference. First operand 131 states and 290 transitions. Second operand has 12 states, 12 states have (on average 2.5) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:16:59,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:16:59,006 INFO L93 Difference]: Finished difference Result 208 states and 429 transitions. [2021-06-05 15:16:59,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 15:16:59,006 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.5) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-06-05 15:16:59,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:16:59,007 INFO L225 Difference]: With dead ends: 208 [2021-06-05 15:16:59,007 INFO L226 Difference]: Without dead ends: 204 [2021-06-05 15:16:59,007 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 191.4ms TimeCoverageRelationStatistics Valid=176, Invalid=424, Unknown=0, NotChecked=0, Total=600 [2021-06-05 15:16:59,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2021-06-05 15:16:59,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 133. [2021-06-05 15:16:59,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 132 states have (on average 2.212121212121212) internal successors, (292), 132 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:16:59,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 292 transitions. [2021-06-05 15:16:59,011 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 292 transitions. Word has length 20 [2021-06-05 15:16:59,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:16:59,011 INFO L482 AbstractCegarLoop]: Abstraction has 133 states and 292 transitions. [2021-06-05 15:16:59,011 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.5) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:16:59,011 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 292 transitions. [2021-06-05 15:16:59,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-06-05 15:16:59,011 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:16:59,012 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:16:59,217 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:16:59,217 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:16:59,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:16:59,217 INFO L82 PathProgramCache]: Analyzing trace with hash -1866660490, now seen corresponding path program 7 times [2021-06-05 15:16:59,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:16:59,217 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076806450] [2021-06-05 15:16:59,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:16:59,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:16:59,258 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:16:59,258 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:16:59,258 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076806450] [2021-06-05 15:16:59,258 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076806450] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:16:59,258 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1116960476] [2021-06-05 15:16:59,258 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:16:59,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:16:59,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-05 15:16:59,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:16:59,395 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:16:59,395 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1116960476] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:16:59,395 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:16:59,395 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-06-05 15:16:59,395 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629214886] [2021-06-05 15:16:59,396 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-05 15:16:59,396 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:16:59,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-05 15:16:59,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-06-05 15:16:59,396 INFO L87 Difference]: Start difference. First operand 133 states and 292 transitions. Second operand has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:16:59,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:16:59,635 INFO L93 Difference]: Finished difference Result 311 states and 632 transitions. [2021-06-05 15:16:59,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-05 15:16:59,635 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-06-05 15:16:59,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:16:59,637 INFO L225 Difference]: With dead ends: 311 [2021-06-05 15:16:59,637 INFO L226 Difference]: Without dead ends: 311 [2021-06-05 15:16:59,637 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 238.2ms TimeCoverageRelationStatistics Valid=218, Invalid=484, Unknown=0, NotChecked=0, Total=702 [2021-06-05 15:16:59,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2021-06-05 15:16:59,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 176. [2021-06-05 15:16:59,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 175 states have (on average 2.297142857142857) internal successors, (402), 175 states have internal predecessors, (402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:16:59,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 402 transitions. [2021-06-05 15:16:59,641 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 402 transitions. Word has length 20 [2021-06-05 15:16:59,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:16:59,642 INFO L482 AbstractCegarLoop]: Abstraction has 176 states and 402 transitions. [2021-06-05 15:16:59,642 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:16:59,642 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 402 transitions. [2021-06-05 15:16:59,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-06-05 15:16:59,642 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:16:59,642 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:16:59,858 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:16:59,859 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:16:59,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:16:59,859 INFO L82 PathProgramCache]: Analyzing trace with hash -1163855182, now seen corresponding path program 8 times [2021-06-05 15:16:59,859 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:16:59,859 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949191240] [2021-06-05 15:16:59,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:16:59,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:16:59,897 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:16:59,898 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:16:59,898 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949191240] [2021-06-05 15:16:59,898 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949191240] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:16:59,898 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [719087353] [2021-06-05 15:16:59,898 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:16:59,919 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 15:16:59,919 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:16:59,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-05 15:16:59,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:17:00,009 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:00,009 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [719087353] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:00,009 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:17:00,009 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 11 [2021-06-05 15:17:00,009 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373723902] [2021-06-05 15:17:00,010 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-05 15:17:00,010 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:17:00,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-05 15:17:00,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2021-06-05 15:17:00,011 INFO L87 Difference]: Start difference. First operand 176 states and 402 transitions. Second operand has 12 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 11 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:00,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:17:00,226 INFO L93 Difference]: Finished difference Result 248 states and 522 transitions. [2021-06-05 15:17:00,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 15:17:00,226 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 11 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-06-05 15:17:00,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:17:00,227 INFO L225 Difference]: With dead ends: 248 [2021-06-05 15:17:00,227 INFO L226 Difference]: Without dead ends: 242 [2021-06-05 15:17:00,227 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 162.6ms TimeCoverageRelationStatistics Valid=129, Invalid=333, Unknown=0, NotChecked=0, Total=462 [2021-06-05 15:17:00,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2021-06-05 15:17:00,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 182. [2021-06-05 15:17:00,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 181 states have (on average 2.3259668508287294) internal successors, (421), 181 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:00,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 421 transitions. [2021-06-05 15:17:00,233 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 421 transitions. Word has length 20 [2021-06-05 15:17:00,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:17:00,234 INFO L482 AbstractCegarLoop]: Abstraction has 182 states and 421 transitions. [2021-06-05 15:17:00,234 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 11 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:00,234 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 421 transitions. [2021-06-05 15:17:00,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-06-05 15:17:00,234 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:17:00,234 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:17:00,441 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-06-05 15:17:00,441 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:17:00,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:17:00,441 INFO L82 PathProgramCache]: Analyzing trace with hash 482286172, now seen corresponding path program 9 times [2021-06-05 15:17:00,441 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:17:00,441 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270979679] [2021-06-05 15:17:00,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:17:00,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:00,475 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:17:00,475 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:17:00,475 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270979679] [2021-06-05 15:17:00,475 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270979679] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:00,475 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [121641757] [2021-06-05 15:17:00,475 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:00,502 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-05 15:17:00,502 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:17:00,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-05 15:17:00,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:17:00,581 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:00,581 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [121641757] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:00,581 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:17:00,581 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 11 [2021-06-05 15:17:00,581 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243736259] [2021-06-05 15:17:00,581 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-05 15:17:00,581 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:17:00,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-05 15:17:00,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2021-06-05 15:17:00,582 INFO L87 Difference]: Start difference. First operand 182 states and 421 transitions. Second operand has 12 states, 12 states have (on average 2.5) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:00,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:17:00,840 INFO L93 Difference]: Finished difference Result 300 states and 621 transitions. [2021-06-05 15:17:00,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-05 15:17:00,841 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.5) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-06-05 15:17:00,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:17:00,842 INFO L225 Difference]: With dead ends: 300 [2021-06-05 15:17:00,842 INFO L226 Difference]: Without dead ends: 296 [2021-06-05 15:17:00,842 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 203.8ms TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2021-06-05 15:17:00,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2021-06-05 15:17:00,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 182. [2021-06-05 15:17:00,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 181 states have (on average 2.314917127071823) internal successors, (419), 181 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:00,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 419 transitions. [2021-06-05 15:17:00,847 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 419 transitions. Word has length 20 [2021-06-05 15:17:00,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:17:00,847 INFO L482 AbstractCegarLoop]: Abstraction has 182 states and 419 transitions. [2021-06-05 15:17:00,847 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.5) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:00,848 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 419 transitions. [2021-06-05 15:17:00,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-06-05 15:17:00,848 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:17:00,848 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:17:01,052 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:01,053 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:17:01,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:17:01,053 INFO L82 PathProgramCache]: Analyzing trace with hash -24060094, now seen corresponding path program 10 times [2021-06-05 15:17:01,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:17:01,053 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808941668] [2021-06-05 15:17:01,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:17:01,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:01,089 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:01,089 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:17:01,089 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808941668] [2021-06-05 15:17:01,089 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808941668] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:01,089 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [276348233] [2021-06-05 15:17:01,089 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:01,113 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 15:17:01,113 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:17:01,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-05 15:17:01,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:17:01,205 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:01,205 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [276348233] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:01,206 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:17:01,206 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-06-05 15:17:01,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205041381] [2021-06-05 15:17:01,206 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-05 15:17:01,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:17:01,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-05 15:17:01,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2021-06-05 15:17:01,207 INFO L87 Difference]: Start difference. First operand 182 states and 419 transitions. Second operand has 13 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:01,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:17:01,439 INFO L93 Difference]: Finished difference Result 296 states and 623 transitions. [2021-06-05 15:17:01,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-05 15:17:01,440 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-06-05 15:17:01,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:17:01,441 INFO L225 Difference]: With dead ends: 296 [2021-06-05 15:17:01,441 INFO L226 Difference]: Without dead ends: 284 [2021-06-05 15:17:01,441 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 217.3ms TimeCoverageRelationStatistics Valid=197, Invalid=505, Unknown=0, NotChecked=0, Total=702 [2021-06-05 15:17:01,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2021-06-05 15:17:01,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 193. [2021-06-05 15:17:01,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 192 states have (on average 2.3125) internal successors, (444), 192 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:01,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 444 transitions. [2021-06-05 15:17:01,445 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 444 transitions. Word has length 20 [2021-06-05 15:17:01,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:17:01,446 INFO L482 AbstractCegarLoop]: Abstraction has 193 states and 444 transitions. [2021-06-05 15:17:01,446 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:01,446 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 444 transitions. [2021-06-05 15:17:01,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-06-05 15:17:01,446 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:17:01,446 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:17:01,660 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-06-05 15:17:01,661 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:17:01,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:17:01,661 INFO L82 PathProgramCache]: Analyzing trace with hash 1616828084, now seen corresponding path program 11 times [2021-06-05 15:17:01,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:17:01,661 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541073086] [2021-06-05 15:17:01,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:17:01,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:01,682 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:01,682 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:17:01,682 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541073086] [2021-06-05 15:17:01,682 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541073086] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:01,682 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [154390140] [2021-06-05 15:17:01,682 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:01,705 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-05 15:17:01,705 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:17:01,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-05 15:17:01,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:17:01,739 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:17:01,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-06-05 15:17:01,742 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:17:01,746 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:17:01,747 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:17:01,747 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:20 [2021-06-05 15:17:01,833 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-06-05 15:17:01,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 16 [2021-06-05 15:17:01,834 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:17:01,840 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:17:01,845 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-06-05 15:17:01,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 18 [2021-06-05 15:17:01,847 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:17:01,850 INFO L628 ElimStorePlain]: treesize reduction 8, result has 27.3 percent of original size [2021-06-05 15:17:01,850 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:17:01,850 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:42, output treesize:3 [2021-06-05 15:17:01,855 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:01,855 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [154390140] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:01,855 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:17:01,855 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 8 [2021-06-05 15:17:01,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332446137] [2021-06-05 15:17:01,855 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-05 15:17:01,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:17:01,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-05 15:17:01,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-05 15:17:01,856 INFO L87 Difference]: Start difference. First operand 193 states and 444 transitions. Second operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:01,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:17:01,884 INFO L93 Difference]: Finished difference Result 372 states and 809 transitions. [2021-06-05 15:17:01,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-05 15:17:01,885 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-06-05 15:17:01,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:17:01,886 INFO L225 Difference]: With dead ends: 372 [2021-06-05 15:17:01,886 INFO L226 Difference]: Without dead ends: 365 [2021-06-05 15:17:01,886 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 41.4ms TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-05 15:17:01,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2021-06-05 15:17:01,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 263. [2021-06-05 15:17:01,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 262 states have (on average 2.377862595419847) internal successors, (623), 262 states have internal predecessors, (623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:01,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 623 transitions. [2021-06-05 15:17:01,891 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 623 transitions. Word has length 22 [2021-06-05 15:17:01,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:17:01,891 INFO L482 AbstractCegarLoop]: Abstraction has 263 states and 623 transitions. [2021-06-05 15:17:01,891 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:01,891 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 623 transitions. [2021-06-05 15:17:01,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-06-05 15:17:01,892 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:17:01,892 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:17:02,104 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-06-05 15:17:02,105 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:17:02,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:17:02,105 INFO L82 PathProgramCache]: Analyzing trace with hash -462338892, now seen corresponding path program 12 times [2021-06-05 15:17:02,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:17:02,105 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137677306] [2021-06-05 15:17:02,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:17:02,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:02,128 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 15:17:02,128 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:17:02,128 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137677306] [2021-06-05 15:17:02,128 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137677306] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:02,128 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1067679805] [2021-06-05 15:17:02,128 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:02,167 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-05 15:17:02,167 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:17:02,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 15:17:02,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:17:02,212 INFO L446 ElimStorePlain]: Different costs {1=[f], 3=[f_inv]} [2021-06-05 15:17:02,216 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:17:02,216 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 53 treesize of output 38 [2021-06-05 15:17:02,232 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:17:02,241 INFO L628 ElimStorePlain]: treesize reduction 9, result has 71.9 percent of original size [2021-06-05 15:17:02,246 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:17:02,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 26 [2021-06-05 15:17:02,254 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:17:02,255 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:17:02,255 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:17:02,255 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:3 [2021-06-05 15:17:02,263 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:17:02,263 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1067679805] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:02,263 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:17:02,263 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 8 [2021-06-05 15:17:02,263 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142788774] [2021-06-05 15:17:02,263 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-05 15:17:02,263 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:17:02,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-05 15:17:02,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-05 15:17:02,265 INFO L87 Difference]: Start difference. First operand 263 states and 623 transitions. Second operand has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:02,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:17:02,294 INFO L93 Difference]: Finished difference Result 405 states and 917 transitions. [2021-06-05 15:17:02,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-05 15:17:02,294 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-06-05 15:17:02,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:17:02,295 INFO L225 Difference]: With dead ends: 405 [2021-06-05 15:17:02,295 INFO L226 Difference]: Without dead ends: 396 [2021-06-05 15:17:02,295 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 26.2ms TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-05 15:17:02,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2021-06-05 15:17:02,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 318. [2021-06-05 15:17:02,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 317 states have (on average 2.444794952681388) internal successors, (775), 317 states have internal predecessors, (775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:02,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 775 transitions. [2021-06-05 15:17:02,302 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 775 transitions. Word has length 22 [2021-06-05 15:17:02,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:17:02,302 INFO L482 AbstractCegarLoop]: Abstraction has 318 states and 775 transitions. [2021-06-05 15:17:02,302 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:02,302 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 775 transitions. [2021-06-05 15:17:02,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-06-05 15:17:02,302 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:17:02,303 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:17:02,517 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:02,517 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:17:02,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:17:02,517 INFO L82 PathProgramCache]: Analyzing trace with hash -2570572, now seen corresponding path program 13 times [2021-06-05 15:17:02,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:17:02,517 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34127121] [2021-06-05 15:17:02,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:17:02,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:02,536 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 15:17:02,536 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:17:02,536 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34127121] [2021-06-05 15:17:02,536 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34127121] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:02,536 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1604922218] [2021-06-05 15:17:02,536 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:02,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:02,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-05 15:17:02,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:17:02,608 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:17:02,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-06-05 15:17:02,612 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:17:02,616 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:17:02,616 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:17:02,616 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:20 [2021-06-05 15:17:02,679 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-06-05 15:17:02,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 18 [2021-06-05 15:17:02,681 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:17:02,684 INFO L628 ElimStorePlain]: treesize reduction 21, result has 12.5 percent of original size [2021-06-05 15:17:02,684 INFO L518 ElimStorePlain]: Eliminatee v_prenex_5 vanished before elimination [2021-06-05 15:17:02,684 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:17:02,685 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:42, output treesize:3 [2021-06-05 15:17:02,692 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 15:17:02,692 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1604922218] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:02,692 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:17:02,692 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 8 [2021-06-05 15:17:02,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047071095] [2021-06-05 15:17:02,693 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-05 15:17:02,693 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:17:02,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-05 15:17:02,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-05 15:17:02,693 INFO L87 Difference]: Start difference. First operand 318 states and 775 transitions. Second operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:02,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:17:02,743 INFO L93 Difference]: Finished difference Result 499 states and 1143 transitions. [2021-06-05 15:17:02,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-05 15:17:02,743 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-06-05 15:17:02,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:17:02,745 INFO L225 Difference]: With dead ends: 499 [2021-06-05 15:17:02,745 INFO L226 Difference]: Without dead ends: 492 [2021-06-05 15:17:02,745 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 35.3ms TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-05 15:17:02,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2021-06-05 15:17:02,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 374. [2021-06-05 15:17:02,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 373 states have (on average 2.474530831099196) internal successors, (923), 373 states have internal predecessors, (923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:02,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 923 transitions. [2021-06-05 15:17:02,752 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 923 transitions. Word has length 22 [2021-06-05 15:17:02,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:17:02,752 INFO L482 AbstractCegarLoop]: Abstraction has 374 states and 923 transitions. [2021-06-05 15:17:02,752 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:02,752 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 923 transitions. [2021-06-05 15:17:02,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-06-05 15:17:02,753 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:17:02,753 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:17:02,960 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-06-05 15:17:02,961 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:17:02,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:17:02,961 INFO L82 PathProgramCache]: Analyzing trace with hash -1932504778, now seen corresponding path program 14 times [2021-06-05 15:17:02,961 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:17:02,961 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570733782] [2021-06-05 15:17:02,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:17:02,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:03,023 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:03,023 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:17:03,023 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570733782] [2021-06-05 15:17:03,023 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570733782] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:03,023 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1415638331] [2021-06-05 15:17:03,023 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:03,055 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 15:17:03,055 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:17:03,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-05 15:17:03,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:17:03,166 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:03,167 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1415638331] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:03,167 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:17:03,167 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 17 [2021-06-05 15:17:03,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17279140] [2021-06-05 15:17:03,167 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 15:17:03,167 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:17:03,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 15:17:03,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2021-06-05 15:17:03,167 INFO L87 Difference]: Start difference. First operand 374 states and 923 transitions. Second operand has 18 states, 18 states have (on average 2.3333333333333335) internal successors, (42), 17 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:03,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:17:03,592 INFO L93 Difference]: Finished difference Result 665 states and 1470 transitions. [2021-06-05 15:17:03,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-05 15:17:03,592 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.3333333333333335) internal successors, (42), 17 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-06-05 15:17:03,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:17:03,595 INFO L225 Difference]: With dead ends: 665 [2021-06-05 15:17:03,595 INFO L226 Difference]: Without dead ends: 665 [2021-06-05 15:17:03,595 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 300 ImplicationChecksByTransitivity, 357.1ms TimeCoverageRelationStatistics Valid=402, Invalid=1080, Unknown=0, NotChecked=0, Total=1482 [2021-06-05 15:17:03,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2021-06-05 15:17:03,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 325. [2021-06-05 15:17:03,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 324 states have (on average 2.450617283950617) internal successors, (794), 324 states have internal predecessors, (794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:03,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 794 transitions. [2021-06-05 15:17:03,602 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 794 transitions. Word has length 24 [2021-06-05 15:17:03,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:17:03,602 INFO L482 AbstractCegarLoop]: Abstraction has 325 states and 794 transitions. [2021-06-05 15:17:03,603 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 2.3333333333333335) internal successors, (42), 17 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:03,603 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 794 transitions. [2021-06-05 15:17:03,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-06-05 15:17:03,604 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:17:03,604 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:17:03,812 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:03,813 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:17:03,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:17:03,813 INFO L82 PathProgramCache]: Analyzing trace with hash -1929426830, now seen corresponding path program 15 times [2021-06-05 15:17:03,813 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:17:03,813 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515567770] [2021-06-05 15:17:03,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:17:03,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:03,883 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:03,883 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:17:03,883 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515567770] [2021-06-05 15:17:03,883 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515567770] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:03,883 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [815465232] [2021-06-05 15:17:03,883 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:03,904 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-05 15:17:03,904 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:17:03,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-05 15:17:03,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:17:04,026 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:04,026 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [815465232] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:04,026 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:17:04,026 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-06-05 15:17:04,026 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296932654] [2021-06-05 15:17:04,027 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-05 15:17:04,027 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:17:04,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-05 15:17:04,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2021-06-05 15:17:04,027 INFO L87 Difference]: Start difference. First operand 325 states and 794 transitions. Second operand has 17 states, 17 states have (on average 2.3529411764705883) internal successors, (40), 16 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:04,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:17:04,594 INFO L93 Difference]: Finished difference Result 786 states and 1670 transitions. [2021-06-05 15:17:04,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-05 15:17:04,597 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.3529411764705883) internal successors, (40), 16 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-06-05 15:17:04,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:17:04,599 INFO L225 Difference]: With dead ends: 786 [2021-06-05 15:17:04,599 INFO L226 Difference]: Without dead ends: 742 [2021-06-05 15:17:04,599 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 455 ImplicationChecksByTransitivity, 477.2ms TimeCoverageRelationStatistics Valid=449, Invalid=1357, Unknown=0, NotChecked=0, Total=1806 [2021-06-05 15:17:04,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2021-06-05 15:17:04,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 342. [2021-06-05 15:17:04,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 341 states have (on average 2.4134897360703813) internal successors, (823), 341 states have internal predecessors, (823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:04,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 823 transitions. [2021-06-05 15:17:04,608 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 823 transitions. Word has length 24 [2021-06-05 15:17:04,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:17:04,608 INFO L482 AbstractCegarLoop]: Abstraction has 342 states and 823 transitions. [2021-06-05 15:17:04,608 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.3529411764705883) internal successors, (40), 16 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:04,608 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 823 transitions. [2021-06-05 15:17:04,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-06-05 15:17:04,609 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:17:04,609 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:17:04,824 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-06-05 15:17:04,825 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:17:04,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:17:04,825 INFO L82 PathProgramCache]: Analyzing trace with hash -1265887354, now seen corresponding path program 16 times [2021-06-05 15:17:04,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:17:04,825 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071149323] [2021-06-05 15:17:04,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:17:04,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:04,872 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:04,872 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:17:04,873 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071149323] [2021-06-05 15:17:04,873 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071149323] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:04,873 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [489184301] [2021-06-05 15:17:04,873 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:04,894 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 15:17:04,894 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:17:04,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-05 15:17:04,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:17:05,010 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:05,011 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [489184301] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:05,011 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:17:05,011 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 14 [2021-06-05 15:17:05,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799844735] [2021-06-05 15:17:05,012 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-05 15:17:05,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:17:05,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-05 15:17:05,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2021-06-05 15:17:05,013 INFO L87 Difference]: Start difference. First operand 342 states and 823 transitions. Second operand has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 14 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:05,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:17:05,418 INFO L93 Difference]: Finished difference Result 742 states and 1645 transitions. [2021-06-05 15:17:05,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-05 15:17:05,419 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 14 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-06-05 15:17:05,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:17:05,421 INFO L225 Difference]: With dead ends: 742 [2021-06-05 15:17:05,421 INFO L226 Difference]: Without dead ends: 740 [2021-06-05 15:17:05,421 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 322 ImplicationChecksByTransitivity, 364.7ms TimeCoverageRelationStatistics Valid=387, Invalid=945, Unknown=0, NotChecked=0, Total=1332 [2021-06-05 15:17:05,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2021-06-05 15:17:05,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 404. [2021-06-05 15:17:05,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 403 states have (on average 2.424317617866005) internal successors, (977), 403 states have internal predecessors, (977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:05,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 977 transitions. [2021-06-05 15:17:05,430 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 977 transitions. Word has length 24 [2021-06-05 15:17:05,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:17:05,430 INFO L482 AbstractCegarLoop]: Abstraction has 404 states and 977 transitions. [2021-06-05 15:17:05,430 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 14 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:05,430 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 977 transitions. [2021-06-05 15:17:05,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-06-05 15:17:05,431 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:17:05,431 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:17:05,646 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-06-05 15:17:05,646 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:17:05,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:17:05,646 INFO L82 PathProgramCache]: Analyzing trace with hash 1645181860, now seen corresponding path program 17 times [2021-06-05 15:17:05,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:17:05,646 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759718195] [2021-06-05 15:17:05,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:17:05,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:05,690 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:05,690 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:17:05,690 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759718195] [2021-06-05 15:17:05,690 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759718195] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:05,690 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [475261927] [2021-06-05 15:17:05,690 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:05,719 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-05 15:17:05,719 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:17:05,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-05 15:17:05,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:17:05,828 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:05,828 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [475261927] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:05,829 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:17:05,829 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 14 [2021-06-05 15:17:05,829 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252546779] [2021-06-05 15:17:05,829 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-05 15:17:05,829 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:17:05,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-05 15:17:05,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2021-06-05 15:17:05,829 INFO L87 Difference]: Start difference. First operand 404 states and 977 transitions. Second operand has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 14 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:06,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:17:06,180 INFO L93 Difference]: Finished difference Result 548 states and 1247 transitions. [2021-06-05 15:17:06,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-05 15:17:06,181 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 14 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-06-05 15:17:06,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:17:06,182 INFO L225 Difference]: With dead ends: 548 [2021-06-05 15:17:06,182 INFO L226 Difference]: Without dead ends: 544 [2021-06-05 15:17:06,183 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 297 ImplicationChecksByTransitivity, 335.4ms TimeCoverageRelationStatistics Valid=356, Invalid=976, Unknown=0, NotChecked=0, Total=1332 [2021-06-05 15:17:06,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2021-06-05 15:17:06,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 404. [2021-06-05 15:17:06,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 403 states have (on average 2.4218362282878414) internal successors, (976), 403 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:06,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 976 transitions. [2021-06-05 15:17:06,189 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 976 transitions. Word has length 24 [2021-06-05 15:17:06,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:17:06,189 INFO L482 AbstractCegarLoop]: Abstraction has 404 states and 976 transitions. [2021-06-05 15:17:06,189 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 14 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:06,189 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 976 transitions. [2021-06-05 15:17:06,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-06-05 15:17:06,190 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:17:06,190 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:17:06,404 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:06,405 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:17:06,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:17:06,405 INFO L82 PathProgramCache]: Analyzing trace with hash 1445869170, now seen corresponding path program 18 times [2021-06-05 15:17:06,405 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:17:06,405 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19157407] [2021-06-05 15:17:06,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:17:06,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:06,439 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:17:06,439 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:17:06,439 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19157407] [2021-06-05 15:17:06,440 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19157407] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:06,440 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [272588737] [2021-06-05 15:17:06,440 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:06,461 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-05 15:17:06,461 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:17:06,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-05 15:17:06,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:17:06,573 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:06,573 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [272588737] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:06,573 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:17:06,573 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 14 [2021-06-05 15:17:06,573 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577357656] [2021-06-05 15:17:06,573 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-05 15:17:06,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:17:06,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-05 15:17:06,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2021-06-05 15:17:06,574 INFO L87 Difference]: Start difference. First operand 404 states and 976 transitions. Second operand has 15 states, 15 states have (on average 2.6666666666666665) internal successors, (40), 14 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:06,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:17:06,927 INFO L93 Difference]: Finished difference Result 648 states and 1454 transitions. [2021-06-05 15:17:06,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-05 15:17:06,936 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.6666666666666665) internal successors, (40), 14 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-06-05 15:17:06,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:17:06,938 INFO L225 Difference]: With dead ends: 648 [2021-06-05 15:17:06,938 INFO L226 Difference]: Without dead ends: 636 [2021-06-05 15:17:06,939 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 276.2ms TimeCoverageRelationStatistics Valid=235, Invalid=695, Unknown=0, NotChecked=0, Total=930 [2021-06-05 15:17:06,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2021-06-05 15:17:06,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 426. [2021-06-05 15:17:06,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 425 states have (on average 2.4376470588235293) internal successors, (1036), 425 states have internal predecessors, (1036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:06,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 1036 transitions. [2021-06-05 15:17:06,946 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 1036 transitions. Word has length 24 [2021-06-05 15:17:06,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:17:06,946 INFO L482 AbstractCegarLoop]: Abstraction has 426 states and 1036 transitions. [2021-06-05 15:17:06,946 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 2.6666666666666665) internal successors, (40), 14 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:06,947 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 1036 transitions. [2021-06-05 15:17:06,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-06-05 15:17:06,947 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:17:06,947 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:17:07,163 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2021-06-05 15:17:07,163 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:17:07,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:17:07,164 INFO L82 PathProgramCache]: Analyzing trace with hash -1709303038, now seen corresponding path program 19 times [2021-06-05 15:17:07,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:17:07,164 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995501661] [2021-06-05 15:17:07,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:17:07,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:07,211 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:07,211 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:17:07,211 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995501661] [2021-06-05 15:17:07,211 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995501661] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:07,211 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1113556091] [2021-06-05 15:17:07,211 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:07,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:07,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-05 15:17:07,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:17:07,345 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:07,345 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1113556091] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:07,345 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:17:07,345 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 15 [2021-06-05 15:17:07,345 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677281055] [2021-06-05 15:17:07,345 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-05 15:17:07,345 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:17:07,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-05 15:17:07,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2021-06-05 15:17:07,346 INFO L87 Difference]: Start difference. First operand 426 states and 1036 transitions. Second operand has 16 states, 16 states have (on average 2.375) internal successors, (38), 15 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:07,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:17:07,766 INFO L93 Difference]: Finished difference Result 690 states and 1541 transitions. [2021-06-05 15:17:07,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-05 15:17:07,769 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.375) internal successors, (38), 15 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-06-05 15:17:07,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:17:07,770 INFO L225 Difference]: With dead ends: 690 [2021-06-05 15:17:07,770 INFO L226 Difference]: Without dead ends: 676 [2021-06-05 15:17:07,771 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 375 ImplicationChecksByTransitivity, 355.7ms TimeCoverageRelationStatistics Valid=382, Invalid=1100, Unknown=0, NotChecked=0, Total=1482 [2021-06-05 15:17:07,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2021-06-05 15:17:07,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 412. [2021-06-05 15:17:07,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 411 states have (on average 2.4184914841849148) internal successors, (994), 411 states have internal predecessors, (994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:07,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 994 transitions. [2021-06-05 15:17:07,779 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 994 transitions. Word has length 24 [2021-06-05 15:17:07,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:17:07,779 INFO L482 AbstractCegarLoop]: Abstraction has 412 states and 994 transitions. [2021-06-05 15:17:07,779 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 2.375) internal successors, (38), 15 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:07,779 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 994 transitions. [2021-06-05 15:17:07,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-06-05 15:17:07,780 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:17:07,780 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:17:07,992 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:07,993 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:17:07,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:17:07,993 INFO L82 PathProgramCache]: Analyzing trace with hash 919841334, now seen corresponding path program 20 times [2021-06-05 15:17:07,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:17:07,993 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323484095] [2021-06-05 15:17:07,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:17:07,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:08,056 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:17:08,057 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:17:08,057 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323484095] [2021-06-05 15:17:08,057 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323484095] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:08,057 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [118503156] [2021-06-05 15:17:08,057 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:08,077 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 15:17:08,077 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:17:08,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-05 15:17:08,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:17:08,193 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:08,193 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [118503156] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:08,193 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:17:08,193 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-06-05 15:17:08,194 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268684060] [2021-06-05 15:17:08,194 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-05 15:17:08,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:17:08,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-05 15:17:08,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2021-06-05 15:17:08,194 INFO L87 Difference]: Start difference. First operand 412 states and 994 transitions. Second operand has 17 states, 17 states have (on average 2.411764705882353) internal successors, (41), 16 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:08,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:17:08,622 INFO L93 Difference]: Finished difference Result 791 states and 1734 transitions. [2021-06-05 15:17:08,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-05 15:17:08,624 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.411764705882353) internal successors, (41), 16 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-06-05 15:17:08,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:17:08,625 INFO L225 Difference]: With dead ends: 791 [2021-06-05 15:17:08,626 INFO L226 Difference]: Without dead ends: 791 [2021-06-05 15:17:08,626 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 361 ImplicationChecksByTransitivity, 363.8ms TimeCoverageRelationStatistics Valid=414, Invalid=1068, Unknown=0, NotChecked=0, Total=1482 [2021-06-05 15:17:08,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 791 states. [2021-06-05 15:17:08,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 791 to 429. [2021-06-05 15:17:08,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 428 states have (on average 2.397196261682243) internal successors, (1026), 428 states have internal predecessors, (1026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:08,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 1026 transitions. [2021-06-05 15:17:08,633 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 1026 transitions. Word has length 24 [2021-06-05 15:17:08,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:17:08,633 INFO L482 AbstractCegarLoop]: Abstraction has 429 states and 1026 transitions. [2021-06-05 15:17:08,633 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.411764705882353) internal successors, (41), 16 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:08,634 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 1026 transitions. [2021-06-05 15:17:08,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-06-05 15:17:08,634 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:17:08,634 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:17:08,849 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2021-06-05 15:17:08,849 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:17:08,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:17:08,850 INFO L82 PathProgramCache]: Analyzing trace with hash 2005876850, now seen corresponding path program 21 times [2021-06-05 15:17:08,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:17:08,850 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190020128] [2021-06-05 15:17:08,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:17:08,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:08,889 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:17:08,890 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:17:08,890 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190020128] [2021-06-05 15:17:08,890 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190020128] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:08,890 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [352952065] [2021-06-05 15:17:08,890 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:08,914 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-05 15:17:08,914 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:17:08,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-05 15:17:08,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:17:09,015 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:09,015 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [352952065] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:09,015 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:17:09,015 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 15 [2021-06-05 15:17:09,015 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985549429] [2021-06-05 15:17:09,016 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-05 15:17:09,016 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:17:09,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-05 15:17:09,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2021-06-05 15:17:09,016 INFO L87 Difference]: Start difference. First operand 429 states and 1026 transitions. Second operand has 16 states, 16 states have (on average 2.4375) internal successors, (39), 15 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:09,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:17:09,370 INFO L93 Difference]: Finished difference Result 588 states and 1296 transitions. [2021-06-05 15:17:09,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-05 15:17:09,370 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.4375) internal successors, (39), 15 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-06-05 15:17:09,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:17:09,371 INFO L225 Difference]: With dead ends: 588 [2021-06-05 15:17:09,371 INFO L226 Difference]: Without dead ends: 570 [2021-06-05 15:17:09,372 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 307 ImplicationChecksByTransitivity, 298.0ms TimeCoverageRelationStatistics Valid=286, Invalid=904, Unknown=0, NotChecked=0, Total=1190 [2021-06-05 15:17:09,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2021-06-05 15:17:09,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 423. [2021-06-05 15:17:09,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 422 states have (on average 2.3981042654028437) internal successors, (1012), 422 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:09,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 1012 transitions. [2021-06-05 15:17:09,378 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 1012 transitions. Word has length 24 [2021-06-05 15:17:09,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:17:09,378 INFO L482 AbstractCegarLoop]: Abstraction has 423 states and 1012 transitions. [2021-06-05 15:17:09,378 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 2.4375) internal successors, (39), 15 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:09,378 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 1012 transitions. [2021-06-05 15:17:09,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-06-05 15:17:09,378 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:17:09,379 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:17:09,593 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2021-06-05 15:17:09,593 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:17:09,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:17:09,593 INFO L82 PathProgramCache]: Analyzing trace with hash 198787894, now seen corresponding path program 22 times [2021-06-05 15:17:09,593 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:17:09,593 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567780913] [2021-06-05 15:17:09,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:17:09,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:09,650 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:17:09,650 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:17:09,650 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567780913] [2021-06-05 15:17:09,650 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567780913] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:09,650 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1433612004] [2021-06-05 15:17:09,650 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:09,674 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 15:17:09,674 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:17:09,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-05 15:17:09,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:17:09,772 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:09,772 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1433612004] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:09,772 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:17:09,772 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 15 [2021-06-05 15:17:09,772 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356503416] [2021-06-05 15:17:09,773 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-05 15:17:09,773 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:17:09,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-05 15:17:09,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2021-06-05 15:17:09,773 INFO L87 Difference]: Start difference. First operand 423 states and 1012 transitions. Second operand has 16 states, 16 states have (on average 2.625) internal successors, (42), 15 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:10,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:17:10,209 INFO L93 Difference]: Finished difference Result 898 states and 2037 transitions. [2021-06-05 15:17:10,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-05 15:17:10,210 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.625) internal successors, (42), 15 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-06-05 15:17:10,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:17:10,212 INFO L225 Difference]: With dead ends: 898 [2021-06-05 15:17:10,212 INFO L226 Difference]: Without dead ends: 898 [2021-06-05 15:17:10,213 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 490 ImplicationChecksByTransitivity, 403.3ms TimeCoverageRelationStatistics Valid=520, Invalid=1202, Unknown=0, NotChecked=0, Total=1722 [2021-06-05 15:17:10,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2021-06-05 15:17:10,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 622. [2021-06-05 15:17:10,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 622 states, 621 states have (on average 2.4621578099838968) internal successors, (1529), 621 states have internal predecessors, (1529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:10,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 1529 transitions. [2021-06-05 15:17:10,222 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 1529 transitions. Word has length 24 [2021-06-05 15:17:10,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:17:10,222 INFO L482 AbstractCegarLoop]: Abstraction has 622 states and 1529 transitions. [2021-06-05 15:17:10,222 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 2.625) internal successors, (42), 15 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:10,222 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 1529 transitions. [2021-06-05 15:17:10,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-06-05 15:17:10,223 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:17:10,223 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:17:10,436 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:10,437 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:17:10,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:17:10,437 INFO L82 PathProgramCache]: Analyzing trace with hash -1747232740, now seen corresponding path program 23 times [2021-06-05 15:17:10,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:17:10,437 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718035096] [2021-06-05 15:17:10,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:17:10,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:10,467 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:17:10,467 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:17:10,467 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718035096] [2021-06-05 15:17:10,467 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718035096] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:10,467 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [180133419] [2021-06-05 15:17:10,467 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:10,489 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-05 15:17:10,489 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:17:10,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-05 15:17:10,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:17:10,587 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:10,587 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [180133419] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:10,587 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:17:10,587 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 14 [2021-06-05 15:17:10,587 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669020012] [2021-06-05 15:17:10,587 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-05 15:17:10,587 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:17:10,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-05 15:17:10,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2021-06-05 15:17:10,588 INFO L87 Difference]: Start difference. First operand 622 states and 1529 transitions. Second operand has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 14 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:10,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:17:10,924 INFO L93 Difference]: Finished difference Result 871 states and 1982 transitions. [2021-06-05 15:17:10,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-05 15:17:10,925 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 14 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-06-05 15:17:10,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:17:10,927 INFO L225 Difference]: With dead ends: 871 [2021-06-05 15:17:10,927 INFO L226 Difference]: Without dead ends: 867 [2021-06-05 15:17:10,927 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293 ImplicationChecksByTransitivity, 300.9ms TimeCoverageRelationStatistics Valid=342, Invalid=848, Unknown=0, NotChecked=0, Total=1190 [2021-06-05 15:17:10,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 867 states. [2021-06-05 15:17:10,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 867 to 622. [2021-06-05 15:17:10,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 622 states, 621 states have (on average 2.4557165861513686) internal successors, (1525), 621 states have internal predecessors, (1525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:10,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 1525 transitions. [2021-06-05 15:17:10,936 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 1525 transitions. Word has length 24 [2021-06-05 15:17:10,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:17:10,936 INFO L482 AbstractCegarLoop]: Abstraction has 622 states and 1525 transitions. [2021-06-05 15:17:10,936 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 14 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:10,936 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 1525 transitions. [2021-06-05 15:17:10,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-06-05 15:17:10,937 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:17:10,937 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:17:11,151 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-06-05 15:17:11,152 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:17:11,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:17:11,152 INFO L82 PathProgramCache]: Analyzing trace with hash 2041388290, now seen corresponding path program 24 times [2021-06-05 15:17:11,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:17:11,152 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054234354] [2021-06-05 15:17:11,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:17:11,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:11,193 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:17:11,193 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:17:11,193 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054234354] [2021-06-05 15:17:11,194 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054234354] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:11,194 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [838300511] [2021-06-05 15:17:11,194 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:11,217 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-05 15:17:11,218 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:17:11,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-05 15:17:11,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:17:11,320 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:11,320 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [838300511] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:11,320 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:17:11,320 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 15 [2021-06-05 15:17:11,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914366397] [2021-06-05 15:17:11,320 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-05 15:17:11,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:17:11,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-05 15:17:11,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2021-06-05 15:17:11,321 INFO L87 Difference]: Start difference. First operand 622 states and 1525 transitions. Second operand has 16 states, 16 states have (on average 2.375) internal successors, (38), 15 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:11,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:17:11,680 INFO L93 Difference]: Finished difference Result 948 states and 2156 transitions. [2021-06-05 15:17:11,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-05 15:17:11,681 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.375) internal successors, (38), 15 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-06-05 15:17:11,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:17:11,683 INFO L225 Difference]: With dead ends: 948 [2021-06-05 15:17:11,683 INFO L226 Difference]: Without dead ends: 936 [2021-06-05 15:17:11,683 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 341 ImplicationChecksByTransitivity, 322.1ms TimeCoverageRelationStatistics Valid=355, Invalid=977, Unknown=0, NotChecked=0, Total=1332 [2021-06-05 15:17:11,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2021-06-05 15:17:11,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 675. [2021-06-05 15:17:11,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 675 states, 674 states have (on average 2.4614243323442135) internal successors, (1659), 674 states have internal predecessors, (1659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:11,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 675 states and 1659 transitions. [2021-06-05 15:17:11,693 INFO L78 Accepts]: Start accepts. Automaton has 675 states and 1659 transitions. Word has length 24 [2021-06-05 15:17:11,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:17:11,693 INFO L482 AbstractCegarLoop]: Abstraction has 675 states and 1659 transitions. [2021-06-05 15:17:11,693 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 2.375) internal successors, (38), 15 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:11,693 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 1659 transitions. [2021-06-05 15:17:11,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-06-05 15:17:11,694 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:17:11,694 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:17:11,909 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:11,909 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:17:11,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:17:11,909 INFO L82 PathProgramCache]: Analyzing trace with hash 1814166910, now seen corresponding path program 25 times [2021-06-05 15:17:11,909 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:17:11,909 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518096095] [2021-06-05 15:17:11,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:17:11,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:11,951 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:11,952 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:17:11,952 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518096095] [2021-06-05 15:17:11,952 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518096095] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:11,952 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [464990310] [2021-06-05 15:17:11,952 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 [2021-06-05 15:17:11,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:11,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-05 15:17:11,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:17:12,062 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:12,062 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [464990310] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:12,062 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:17:12,062 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-06-05 15:17:12,063 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132215839] [2021-06-05 15:17:12,063 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-05 15:17:12,063 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:17:12,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-05 15:17:12,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2021-06-05 15:17:12,064 INFO L87 Difference]: Start difference. First operand 675 states and 1659 transitions. Second operand has 17 states, 17 states have (on average 2.235294117647059) internal successors, (38), 16 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:12,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:17:12,451 INFO L93 Difference]: Finished difference Result 948 states and 2180 transitions. [2021-06-05 15:17:12,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-05 15:17:12,452 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.235294117647059) internal successors, (38), 16 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-06-05 15:17:12,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:17:12,454 INFO L225 Difference]: With dead ends: 948 [2021-06-05 15:17:12,454 INFO L226 Difference]: Without dead ends: 928 [2021-06-05 15:17:12,454 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 442 ImplicationChecksByTransitivity, 351.3ms TimeCoverageRelationStatistics Valid=419, Invalid=1221, Unknown=0, NotChecked=0, Total=1640 [2021-06-05 15:17:12,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 928 states. [2021-06-05 15:17:12,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 928 to 699. [2021-06-05 15:17:12,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 698 states have (on average 2.4713467048710602) internal successors, (1725), 698 states have internal predecessors, (1725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:12,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 1725 transitions. [2021-06-05 15:17:12,472 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 1725 transitions. Word has length 24 [2021-06-05 15:17:12,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:17:12,472 INFO L482 AbstractCegarLoop]: Abstraction has 699 states and 1725 transitions. [2021-06-05 15:17:12,472 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.235294117647059) internal successors, (38), 16 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:12,472 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 1725 transitions. [2021-06-05 15:17:12,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-06-05 15:17:12,473 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:17:12,473 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:17:12,688 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2021-06-05 15:17:12,689 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:17:12,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:17:12,689 INFO L82 PathProgramCache]: Analyzing trace with hash 1660693108, now seen corresponding path program 26 times [2021-06-05 15:17:12,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:17:12,689 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099485143] [2021-06-05 15:17:12,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:17:12,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:12,715 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:12,715 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:17:12,715 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099485143] [2021-06-05 15:17:12,715 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099485143] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:12,715 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [707263066] [2021-06-05 15:17:12,715 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:12,749 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 15:17:12,749 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:17:12,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 21 conjunts are in the unsatisfiable core [2021-06-05 15:17:12,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:17:12,789 INFO L354 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2021-06-05 15:17:12,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 41 [2021-06-05 15:17:12,791 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:17:12,797 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:17:12,797 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:17:12,798 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-06-05 15:17:12,967 INFO L354 Elim1Store]: treesize reduction 22, result has 12.0 percent of original size [2021-06-05 15:17:12,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 22 [2021-06-05 15:17:12,968 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:17:12,980 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:17:12,988 INFO L354 Elim1Store]: treesize reduction 22, result has 12.0 percent of original size [2021-06-05 15:17:12,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 23 [2021-06-05 15:17:12,989 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:17:12,999 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:17:13,013 INFO L354 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2021-06-05 15:17:13,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 33 [2021-06-05 15:17:13,015 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:17:13,019 INFO L628 ElimStorePlain]: treesize reduction 16, result has 15.8 percent of original size [2021-06-05 15:17:13,020 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:17:13,020 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:103, output treesize:3 [2021-06-05 15:17:13,024 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:13,024 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [707263066] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:13,024 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:17:13,024 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 11 [2021-06-05 15:17:13,025 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305311160] [2021-06-05 15:17:13,025 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-05 15:17:13,025 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:17:13,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-05 15:17:13,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-06-05 15:17:13,025 INFO L87 Difference]: Start difference. First operand 699 states and 1725 transitions. Second operand has 11 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 11 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:13,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:17:13,075 INFO L93 Difference]: Finished difference Result 1114 states and 2614 transitions. [2021-06-05 15:17:13,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-05 15:17:13,076 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 11 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-06-05 15:17:13,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:17:13,078 INFO L225 Difference]: With dead ends: 1114 [2021-06-05 15:17:13,079 INFO L226 Difference]: Without dead ends: 1107 [2021-06-05 15:17:13,079 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 23 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 101.5ms TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-06-05 15:17:13,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1107 states. [2021-06-05 15:17:13,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1107 to 866. [2021-06-05 15:17:13,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 866 states, 865 states have (on average 2.4959537572254336) internal successors, (2159), 865 states have internal predecessors, (2159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:13,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 866 states and 2159 transitions. [2021-06-05 15:17:13,090 INFO L78 Accepts]: Start accepts. Automaton has 866 states and 2159 transitions. Word has length 26 [2021-06-05 15:17:13,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:17:13,090 INFO L482 AbstractCegarLoop]: Abstraction has 866 states and 2159 transitions. [2021-06-05 15:17:13,090 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 11 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:13,090 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 2159 transitions. [2021-06-05 15:17:13,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-06-05 15:17:13,092 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:17:13,092 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:17:13,307 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2021-06-05 15:17:13,308 INFO L430 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:17:13,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:17:13,308 INFO L82 PathProgramCache]: Analyzing trace with hash -439799948, now seen corresponding path program 27 times [2021-06-05 15:17:13,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:17:13,308 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485296416] [2021-06-05 15:17:13,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:17:13,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:13,328 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 15:17:13,328 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:17:13,328 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485296416] [2021-06-05 15:17:13,328 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485296416] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:13,328 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2035285032] [2021-06-05 15:17:13,328 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:13,350 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-05 15:17:13,350 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:17:13,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 21 conjunts are in the unsatisfiable core [2021-06-05 15:17:13,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:17:13,424 INFO L354 Elim1Store]: treesize reduction 37, result has 44.8 percent of original size [2021-06-05 15:17:13,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 52 [2021-06-05 15:17:13,426 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:17:13,432 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:17:13,436 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:17:13,436 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:38 [2021-06-05 15:17:13,477 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-06-05 15:17:13,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 13 [2021-06-05 15:17:13,478 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:17:13,482 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-06-05 15:17:13,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 14 [2021-06-05 15:17:13,483 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:17:13,490 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-06-05 15:17:13,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 26 treesize of output 17 [2021-06-05 15:17:13,491 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:17:13,493 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-06-05 15:17:13,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 31 treesize of output 18 [2021-06-05 15:17:13,494 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:17:13,495 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:17:13,496 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:17:13,496 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:103, output treesize:3 [2021-06-05 15:17:13,503 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:17:13,503 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2035285032] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:13,503 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:17:13,503 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 11 [2021-06-05 15:17:13,504 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626435315] [2021-06-05 15:17:13,504 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-05 15:17:13,504 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:17:13,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-05 15:17:13,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-06-05 15:17:13,504 INFO L87 Difference]: Start difference. First operand 866 states and 2159 transitions. Second operand has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:13,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:17:13,545 INFO L93 Difference]: Finished difference Result 1174 states and 2826 transitions. [2021-06-05 15:17:13,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 15:17:13,546 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-06-05 15:17:13,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:17:13,549 INFO L225 Difference]: With dead ends: 1174 [2021-06-05 15:17:13,549 INFO L226 Difference]: Without dead ends: 1158 [2021-06-05 15:17:13,549 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 51.8ms TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-06-05 15:17:13,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2021-06-05 15:17:13,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 972. [2021-06-05 15:17:13,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 972 states, 971 states have (on average 2.532440782698249) internal successors, (2459), 971 states have internal predecessors, (2459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:13,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 972 states and 2459 transitions. [2021-06-05 15:17:13,563 INFO L78 Accepts]: Start accepts. Automaton has 972 states and 2459 transitions. Word has length 26 [2021-06-05 15:17:13,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:17:13,564 INFO L482 AbstractCegarLoop]: Abstraction has 972 states and 2459 transitions. [2021-06-05 15:17:13,564 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:13,564 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 2459 transitions. [2021-06-05 15:17:13,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-06-05 15:17:13,565 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:17:13,565 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:17:13,780 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2021-06-05 15:17:13,781 INFO L430 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:17:13,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:17:13,781 INFO L82 PathProgramCache]: Analyzing trace with hash -318369164, now seen corresponding path program 28 times [2021-06-05 15:17:13,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:17:13,781 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611278741] [2021-06-05 15:17:13,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:17:13,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:13,803 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 15:17:13,803 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:17:13,803 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611278741] [2021-06-05 15:17:13,803 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611278741] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:13,803 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [677104023] [2021-06-05 15:17:13,803 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:13,823 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 15:17:13,824 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:17:13,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 21 conjunts are in the unsatisfiable core [2021-06-05 15:17:13,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:17:13,879 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-06-05 15:17:13,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 43 [2021-06-05 15:17:13,881 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:17:13,888 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:17:13,888 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:17:13,888 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:53, output treesize:32 [2021-06-05 15:17:13,970 INFO L446 ElimStorePlain]: Different costs {1=[f], 3=[v_prenex_13]} [2021-06-05 15:17:13,973 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-06-05 15:17:13,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 10 [2021-06-05 15:17:13,975 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:17:13,979 INFO L628 ElimStorePlain]: treesize reduction 30, result has 9.1 percent of original size [2021-06-05 15:17:13,979 INFO L518 ElimStorePlain]: Eliminatee v_prenex_13 vanished before elimination [2021-06-05 15:17:13,979 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:17:13,979 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:45, output treesize:3 [2021-06-05 15:17:13,988 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:17:13,988 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [677104023] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:13,988 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:17:13,988 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 11 [2021-06-05 15:17:13,988 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370090852] [2021-06-05 15:17:13,988 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-05 15:17:13,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:17:13,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-05 15:17:13,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-06-05 15:17:13,989 INFO L87 Difference]: Start difference. First operand 972 states and 2459 transitions. Second operand has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:14,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:17:14,047 INFO L93 Difference]: Finished difference Result 1360 states and 3305 transitions. [2021-06-05 15:17:14,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-05 15:17:14,047 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-06-05 15:17:14,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:17:14,051 INFO L225 Difference]: With dead ends: 1360 [2021-06-05 15:17:14,051 INFO L226 Difference]: Without dead ends: 1335 [2021-06-05 15:17:14,051 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 82.1ms TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-06-05 15:17:14,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1335 states. [2021-06-05 15:17:14,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1335 to 1089. [2021-06-05 15:17:14,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1089 states, 1088 states have (on average 2.557904411764706) internal successors, (2783), 1088 states have internal predecessors, (2783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:14,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 1089 states and 2783 transitions. [2021-06-05 15:17:14,065 INFO L78 Accepts]: Start accepts. Automaton has 1089 states and 2783 transitions. Word has length 26 [2021-06-05 15:17:14,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:17:14,065 INFO L482 AbstractCegarLoop]: Abstraction has 1089 states and 2783 transitions. [2021-06-05 15:17:14,065 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:14,065 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 2783 transitions. [2021-06-05 15:17:14,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-06-05 15:17:14,066 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:17:14,067 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:17:14,271 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:14,271 INFO L430 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:17:14,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:17:14,271 INFO L82 PathProgramCache]: Analyzing trace with hash 412497268, now seen corresponding path program 29 times [2021-06-05 15:17:14,271 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:17:14,272 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121883776] [2021-06-05 15:17:14,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:17:14,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:14,294 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 15:17:14,294 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:17:14,294 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121883776] [2021-06-05 15:17:14,295 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121883776] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:14,295 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [553401674] [2021-06-05 15:17:14,295 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:14,327 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-05 15:17:14,327 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:17:14,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 21 conjunts are in the unsatisfiable core [2021-06-05 15:17:14,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:17:14,368 INFO L354 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2021-06-05 15:17:14,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 41 [2021-06-05 15:17:14,370 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:17:14,376 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:17:14,376 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:17:14,377 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-06-05 15:17:14,523 INFO L354 Elim1Store]: treesize reduction 22, result has 12.0 percent of original size [2021-06-05 15:17:14,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 22 [2021-06-05 15:17:14,524 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:17:14,536 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:17:14,546 INFO L354 Elim1Store]: treesize reduction 22, result has 12.0 percent of original size [2021-06-05 15:17:14,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 23 [2021-06-05 15:17:14,548 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:17:14,558 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:17:14,571 INFO L354 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2021-06-05 15:17:14,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 33 [2021-06-05 15:17:14,573 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:17:14,577 INFO L628 ElimStorePlain]: treesize reduction 16, result has 15.8 percent of original size [2021-06-05 15:17:14,577 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:17:14,577 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:103, output treesize:3 [2021-06-05 15:17:14,585 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 15:17:14,585 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [553401674] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:14,585 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:17:14,585 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 11 [2021-06-05 15:17:14,585 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239456661] [2021-06-05 15:17:14,585 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-05 15:17:14,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:17:14,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-05 15:17:14,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-06-05 15:17:14,586 INFO L87 Difference]: Start difference. First operand 1089 states and 2783 transitions. Second operand has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:14,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:17:14,649 INFO L93 Difference]: Finished difference Result 1527 states and 3735 transitions. [2021-06-05 15:17:14,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-05 15:17:14,649 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-06-05 15:17:14,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:17:14,653 INFO L225 Difference]: With dead ends: 1527 [2021-06-05 15:17:14,653 INFO L226 Difference]: Without dead ends: 1520 [2021-06-05 15:17:14,653 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 23 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 95.2ms TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-06-05 15:17:14,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1520 states. [2021-06-05 15:17:14,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1520 to 1225. [2021-06-05 15:17:14,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1225 states, 1224 states have (on average 2.5784313725490198) internal successors, (3156), 1224 states have internal predecessors, (3156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:14,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1225 states to 1225 states and 3156 transitions. [2021-06-05 15:17:14,671 INFO L78 Accepts]: Start accepts. Automaton has 1225 states and 3156 transitions. Word has length 26 [2021-06-05 15:17:14,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:17:14,671 INFO L482 AbstractCegarLoop]: Abstraction has 1225 states and 3156 transitions. [2021-06-05 15:17:14,671 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:14,671 INFO L276 IsEmpty]: Start isEmpty. Operand 1225 states and 3156 transitions. [2021-06-05 15:17:14,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-06-05 15:17:14,673 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:17:14,673 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:17:14,880 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2021-06-05 15:17:14,881 INFO L430 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:17:14,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:17:14,881 INFO L82 PathProgramCache]: Analyzing trace with hash -1387752458, now seen corresponding path program 30 times [2021-06-05 15:17:14,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:17:14,881 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347596169] [2021-06-05 15:17:14,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:17:14,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:14,953 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:14,953 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:17:14,953 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347596169] [2021-06-05 15:17:14,953 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347596169] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:14,953 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1406734934] [2021-06-05 15:17:14,953 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:14,976 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-05 15:17:14,976 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:17:14,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-05 15:17:14,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:17:15,131 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:15,131 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1406734934] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:15,131 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:17:15,131 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 21 [2021-06-05 15:17:15,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779199479] [2021-06-05 15:17:15,132 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-05 15:17:15,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:17:15,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-05 15:17:15,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=365, Unknown=0, NotChecked=0, Total=462 [2021-06-05 15:17:15,132 INFO L87 Difference]: Start difference. First operand 1225 states and 3156 transitions. Second operand has 22 states, 22 states have (on average 2.272727272727273) internal successors, (50), 21 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:15,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:17:15,753 INFO L93 Difference]: Finished difference Result 1761 states and 4199 transitions. [2021-06-05 15:17:15,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-05 15:17:15,754 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 2.272727272727273) internal successors, (50), 21 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-06-05 15:17:15,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:17:15,758 INFO L225 Difference]: With dead ends: 1761 [2021-06-05 15:17:15,758 INFO L226 Difference]: Without dead ends: 1761 [2021-06-05 15:17:15,759 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 659 ImplicationChecksByTransitivity, 561.7ms TimeCoverageRelationStatistics Valid=757, Invalid=2105, Unknown=0, NotChecked=0, Total=2862 [2021-06-05 15:17:15,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1761 states. [2021-06-05 15:17:15,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1761 to 1090. [2021-06-05 15:17:15,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1090 states, 1089 states have (on average 2.5629017447199267) internal successors, (2791), 1089 states have internal predecessors, (2791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:15,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 1090 states and 2791 transitions. [2021-06-05 15:17:15,774 INFO L78 Accepts]: Start accepts. Automaton has 1090 states and 2791 transitions. Word has length 28 [2021-06-05 15:17:15,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:17:15,774 INFO L482 AbstractCegarLoop]: Abstraction has 1090 states and 2791 transitions. [2021-06-05 15:17:15,774 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 2.272727272727273) internal successors, (50), 21 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:15,774 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 2791 transitions. [2021-06-05 15:17:15,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-06-05 15:17:15,775 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:17:15,775 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:17:15,990 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:15,990 INFO L430 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:17:15,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:17:15,991 INFO L82 PathProgramCache]: Analyzing trace with hash 1570155570, now seen corresponding path program 31 times [2021-06-05 15:17:15,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:17:15,991 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151093636] [2021-06-05 15:17:15,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:17:15,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:16,061 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:16,061 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:17:16,061 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151093636] [2021-06-05 15:17:16,061 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151093636] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:16,061 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [982029355] [2021-06-05 15:17:16,061 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 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:16,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:16,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-05 15:17:16,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:17:16,226 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:16,226 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [982029355] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:16,226 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:17:16,226 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-06-05 15:17:16,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900728753] [2021-06-05 15:17:16,226 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-05 15:17:16,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:17:16,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-05 15:17:16,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2021-06-05 15:17:16,227 INFO L87 Difference]: Start difference. First operand 1090 states and 2791 transitions. Second operand has 21 states, 21 states have (on average 2.2857142857142856) internal successors, (48), 20 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:17,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:17:17,094 INFO L93 Difference]: Finished difference Result 2078 states and 4785 transitions. [2021-06-05 15:17:17,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-05 15:17:17,095 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.2857142857142856) internal successors, (48), 20 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-06-05 15:17:17,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:17:17,098 INFO L225 Difference]: With dead ends: 2078 [2021-06-05 15:17:17,098 INFO L226 Difference]: Without dead ends: 2007 [2021-06-05 15:17:17,099 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1149 ImplicationChecksByTransitivity, 799.4ms TimeCoverageRelationStatistics Valid=946, Invalid=3086, Unknown=0, NotChecked=0, Total=4032 [2021-06-05 15:17:17,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2007 states. [2021-06-05 15:17:17,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2007 to 1154. [2021-06-05 15:17:17,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1154 states, 1153 states have (on average 2.5481352992194277) internal successors, (2938), 1153 states have internal predecessors, (2938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:17,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 1154 states and 2938 transitions. [2021-06-05 15:17:17,117 INFO L78 Accepts]: Start accepts. Automaton has 1154 states and 2938 transitions. Word has length 28 [2021-06-05 15:17:17,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:17:17,117 INFO L482 AbstractCegarLoop]: Abstraction has 1154 states and 2938 transitions. [2021-06-05 15:17:17,117 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 2.2857142857142856) internal successors, (48), 20 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:17,117 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 2938 transitions. [2021-06-05 15:17:17,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-06-05 15:17:17,118 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:17:17,118 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:17:17,333 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63,32 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:17,335 INFO L430 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:17:17,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:17:17,335 INFO L82 PathProgramCache]: Analyzing trace with hash -1031109750, now seen corresponding path program 32 times [2021-06-05 15:17:17,335 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:17:17,335 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26759302] [2021-06-05 15:17:17,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:17:17,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:17,380 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:17,380 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:17:17,380 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26759302] [2021-06-05 15:17:17,380 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26759302] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:17,380 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1741885928] [2021-06-05 15:17:17,380 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:17,401 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 15:17:17,401 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:17:17,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-05 15:17:17,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:17:17,558 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:17,559 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1741885928] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:17,559 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:17:17,559 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 17 [2021-06-05 15:17:17,559 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972495524] [2021-06-05 15:17:17,560 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 15:17:17,560 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:17:17,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 15:17:17,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2021-06-05 15:17:17,561 INFO L87 Difference]: Start difference. First operand 1154 states and 2938 transitions. Second operand has 18 states, 18 states have (on average 2.5555555555555554) internal successors, (46), 17 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:18,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:17:18,293 INFO L93 Difference]: Finished difference Result 2302 states and 5553 transitions. [2021-06-05 15:17:18,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-05 15:17:18,293 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.5555555555555554) internal successors, (46), 17 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-06-05 15:17:18,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:17:18,296 INFO L225 Difference]: With dead ends: 2302 [2021-06-05 15:17:18,297 INFO L226 Difference]: Without dead ends: 2294 [2021-06-05 15:17:18,297 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 858 ImplicationChecksByTransitivity, 651.0ms TimeCoverageRelationStatistics Valid=836, Invalid=2134, Unknown=0, NotChecked=0, Total=2970 [2021-06-05 15:17:18,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2294 states. [2021-06-05 15:17:18,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2294 to 1436. [2021-06-05 15:17:18,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1436 states, 1435 states have (on average 2.5491289198606273) internal successors, (3658), 1435 states have internal predecessors, (3658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:18,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1436 states to 1436 states and 3658 transitions. [2021-06-05 15:17:18,317 INFO L78 Accepts]: Start accepts. Automaton has 1436 states and 3658 transitions. Word has length 28 [2021-06-05 15:17:18,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:17:18,317 INFO L482 AbstractCegarLoop]: Abstraction has 1436 states and 3658 transitions. [2021-06-05 15:17:18,317 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 2.5555555555555554) internal successors, (46), 17 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:18,317 INFO L276 IsEmpty]: Start isEmpty. Operand 1436 states and 3658 transitions. [2021-06-05 15:17:18,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-06-05 15:17:18,319 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:17:18,319 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:17:18,532 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable64 [2021-06-05 15:17:18,533 INFO L430 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:17:18,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:17:18,533 INFO L82 PathProgramCache]: Analyzing trace with hash 1879959464, now seen corresponding path program 33 times [2021-06-05 15:17:18,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:17:18,533 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216063757] [2021-06-05 15:17:18,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:17:18,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:18,577 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:18,577 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:17:18,577 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216063757] [2021-06-05 15:17:18,577 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216063757] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:18,577 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1316048526] [2021-06-05 15:17:18,577 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:18,600 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-06-05 15:17:18,601 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:17:18,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-05 15:17:18,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:17:18,771 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:18,771 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1316048526] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:18,771 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:17:18,771 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 17 [2021-06-05 15:17:18,771 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329382111] [2021-06-05 15:17:18,772 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 15:17:18,772 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:17:18,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 15:17:18,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2021-06-05 15:17:18,772 INFO L87 Difference]: Start difference. First operand 1436 states and 3658 transitions. Second operand has 18 states, 18 states have (on average 2.5555555555555554) internal successors, (46), 17 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:19,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:17:19,354 INFO L93 Difference]: Finished difference Result 1661 states and 4081 transitions. [2021-06-05 15:17:19,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-05 15:17:19,357 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.5555555555555554) internal successors, (46), 17 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-06-05 15:17:19,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:17:19,363 INFO L225 Difference]: With dead ends: 1661 [2021-06-05 15:17:19,363 INFO L226 Difference]: Without dead ends: 1657 [2021-06-05 15:17:19,364 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 661 ImplicationChecksByTransitivity, 579.0ms TimeCoverageRelationStatistics Valid=647, Invalid=1903, Unknown=0, NotChecked=0, Total=2550 [2021-06-05 15:17:19,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1657 states. [2021-06-05 15:17:19,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1657 to 1436. [2021-06-05 15:17:19,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1436 states, 1435 states have (on average 2.5477351916376305) internal successors, (3656), 1435 states have internal predecessors, (3656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:19,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1436 states to 1436 states and 3656 transitions. [2021-06-05 15:17:19,379 INFO L78 Accepts]: Start accepts. Automaton has 1436 states and 3656 transitions. Word has length 28 [2021-06-05 15:17:19,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:17:19,379 INFO L482 AbstractCegarLoop]: Abstraction has 1436 states and 3656 transitions. [2021-06-05 15:17:19,379 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 2.5555555555555554) internal successors, (46), 17 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:19,379 INFO L276 IsEmpty]: Start isEmpty. Operand 1436 states and 3656 transitions. [2021-06-05 15:17:19,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-06-05 15:17:19,381 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:17:19,381 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:17:19,584 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65,34 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:19,585 INFO L430 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:17:19,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:17:19,585 INFO L82 PathProgramCache]: Analyzing trace with hash 1630957874, now seen corresponding path program 34 times [2021-06-05 15:17:19,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:17:19,585 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448876937] [2021-06-05 15:17:19,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:17:19,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:19,625 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:17:19,625 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:17:19,625 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448876937] [2021-06-05 15:17:19,625 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448876937] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:19,625 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1678450159] [2021-06-05 15:17:19,625 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:19,649 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 15:17:19,649 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:17:19,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-05 15:17:19,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:17:19,771 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:19,771 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1678450159] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:19,771 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:17:19,771 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 17 [2021-06-05 15:17:19,771 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321790228] [2021-06-05 15:17:19,771 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 15:17:19,771 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:17:19,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 15:17:19,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2021-06-05 15:17:19,772 INFO L87 Difference]: Start difference. First operand 1436 states and 3656 transitions. Second operand has 18 states, 18 states have (on average 2.6666666666666665) internal successors, (48), 17 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:20,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:17:20,261 INFO L93 Difference]: Finished difference Result 2041 states and 4979 transitions. [2021-06-05 15:17:20,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-05 15:17:20,261 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.6666666666666665) internal successors, (48), 17 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-06-05 15:17:20,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:17:20,264 INFO L225 Difference]: With dead ends: 2041 [2021-06-05 15:17:20,264 INFO L226 Difference]: Without dead ends: 2026 [2021-06-05 15:17:20,264 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 433 ImplicationChecksByTransitivity, 390.9ms TimeCoverageRelationStatistics Valid=421, Invalid=1301, Unknown=0, NotChecked=0, Total=1722 [2021-06-05 15:17:20,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2026 states. [2021-06-05 15:17:20,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2026 to 1482. [2021-06-05 15:17:20,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1482 states, 1481 states have (on average 2.553004726536124) internal successors, (3781), 1481 states have internal predecessors, (3781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:20,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1482 states to 1482 states and 3781 transitions. [2021-06-05 15:17:20,283 INFO L78 Accepts]: Start accepts. Automaton has 1482 states and 3781 transitions. Word has length 28 [2021-06-05 15:17:20,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:17:20,283 INFO L482 AbstractCegarLoop]: Abstraction has 1482 states and 3781 transitions. [2021-06-05 15:17:20,283 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 2.6666666666666665) internal successors, (48), 17 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:20,283 INFO L276 IsEmpty]: Start isEmpty. Operand 1482 states and 3781 transitions. [2021-06-05 15:17:20,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-06-05 15:17:20,284 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:17:20,284 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:17:20,496 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable66 [2021-06-05 15:17:20,497 INFO L430 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:17:20,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:17:20,497 INFO L82 PathProgramCache]: Analyzing trace with hash -1524214334, now seen corresponding path program 35 times [2021-06-05 15:17:20,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:17:20,497 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359967468] [2021-06-05 15:17:20,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:17:20,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:20,542 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:20,542 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:17:20,542 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359967468] [2021-06-05 15:17:20,542 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359967468] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:20,542 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [332008626] [2021-06-05 15:17:20,542 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:20,574 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-06-05 15:17:20,574 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:17:20,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-05 15:17:20,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:17:20,700 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:20,700 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [332008626] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:20,700 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:17:20,700 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11] total 18 [2021-06-05 15:17:20,701 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940146053] [2021-06-05 15:17:20,701 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-05 15:17:20,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:17:20,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-05 15:17:20,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2021-06-05 15:17:20,701 INFO L87 Difference]: Start difference. First operand 1482 states and 3781 transitions. Second operand has 19 states, 19 states have (on average 2.4210526315789473) internal successors, (46), 18 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:21,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:17:21,333 INFO L93 Difference]: Finished difference Result 1955 states and 4722 transitions. [2021-06-05 15:17:21,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-05 15:17:21,333 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.4210526315789473) internal successors, (46), 18 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-06-05 15:17:21,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:17:21,336 INFO L225 Difference]: With dead ends: 1955 [2021-06-05 15:17:21,336 INFO L226 Difference]: Without dead ends: 1941 [2021-06-05 15:17:21,336 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 764 ImplicationChecksByTransitivity, 549.1ms TimeCoverageRelationStatistics Valid=680, Invalid=2076, Unknown=0, NotChecked=0, Total=2756 [2021-06-05 15:17:21,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1941 states. [2021-06-05 15:17:21,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1941 to 1492. [2021-06-05 15:17:21,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1492 states, 1491 states have (on average 2.551307847082495) internal successors, (3804), 1491 states have internal predecessors, (3804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:21,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1492 states to 1492 states and 3804 transitions. [2021-06-05 15:17:21,354 INFO L78 Accepts]: Start accepts. Automaton has 1492 states and 3804 transitions. Word has length 28 [2021-06-05 15:17:21,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:17:21,354 INFO L482 AbstractCegarLoop]: Abstraction has 1492 states and 3804 transitions. [2021-06-05 15:17:21,354 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 2.4210526315789473) internal successors, (46), 18 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:21,354 INFO L276 IsEmpty]: Start isEmpty. Operand 1492 states and 3804 transitions. [2021-06-05 15:17:21,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-06-05 15:17:21,355 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:17:21,355 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:17:21,562 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:21,562 INFO L430 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:17:21,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:17:21,562 INFO L82 PathProgramCache]: Analyzing trace with hash -1020569282, now seen corresponding path program 36 times [2021-06-05 15:17:21,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:17:21,562 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123524825] [2021-06-05 15:17:21,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:17:21,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:21,607 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:21,607 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:17:21,607 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123524825] [2021-06-05 15:17:21,607 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123524825] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:21,607 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [860283500] [2021-06-05 15:17:21,607 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:21,636 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-05 15:17:21,636 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:17:21,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-05 15:17:21,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:17:21,780 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:21,780 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [860283500] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:21,780 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:17:21,780 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 19 [2021-06-05 15:17:21,780 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954036131] [2021-06-05 15:17:21,780 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-05 15:17:21,780 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:17:21,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-05 15:17:21,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=301, Unknown=0, NotChecked=0, Total=380 [2021-06-05 15:17:21,781 INFO L87 Difference]: Start difference. First operand 1492 states and 3804 transitions. Second operand has 20 states, 20 states have (on average 2.3) internal successors, (46), 19 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:22,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:17:22,413 INFO L93 Difference]: Finished difference Result 2120 states and 5066 transitions. [2021-06-05 15:17:22,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-05 15:17:22,414 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 2.3) internal successors, (46), 19 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-06-05 15:17:22,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:17:22,416 INFO L225 Difference]: With dead ends: 2120 [2021-06-05 15:17:22,416 INFO L226 Difference]: Without dead ends: 2094 [2021-06-05 15:17:22,418 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 878 ImplicationChecksByTransitivity, 581.8ms TimeCoverageRelationStatistics Valid=724, Invalid=2246, Unknown=0, NotChecked=0, Total=2970 [2021-06-05 15:17:22,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2094 states. [2021-06-05 15:17:22,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2094 to 1363. [2021-06-05 15:17:22,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1363 states, 1362 states have (on average 2.530102790014684) internal successors, (3446), 1362 states have internal predecessors, (3446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:22,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 1363 states and 3446 transitions. [2021-06-05 15:17:22,436 INFO L78 Accepts]: Start accepts. Automaton has 1363 states and 3446 transitions. Word has length 28 [2021-06-05 15:17:22,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:17:22,436 INFO L482 AbstractCegarLoop]: Abstraction has 1363 states and 3446 transitions. [2021-06-05 15:17:22,437 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.3) internal successors, (46), 19 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:22,437 INFO L276 IsEmpty]: Start isEmpty. Operand 1363 states and 3446 transitions. [2021-06-05 15:17:22,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-06-05 15:17:22,438 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:17:22,438 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:17:22,644 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable68 [2021-06-05 15:17:22,645 INFO L430 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:17:22,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:17:22,645 INFO L82 PathProgramCache]: Analyzing trace with hash 873893366, now seen corresponding path program 37 times [2021-06-05 15:17:22,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:17:22,645 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845307896] [2021-06-05 15:17:22,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:17:22,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:22,699 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:17:22,700 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:17:22,700 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845307896] [2021-06-05 15:17:22,700 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845307896] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:22,700 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1709737084] [2021-06-05 15:17:22,700 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:22,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:22,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-05 15:17:22,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:17:22,863 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:22,863 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1709737084] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:22,863 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:17:22,863 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-06-05 15:17:22,863 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748420330] [2021-06-05 15:17:22,863 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-05 15:17:22,863 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:17:22,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-05 15:17:22,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=338, Unknown=0, NotChecked=0, Total=420 [2021-06-05 15:17:22,864 INFO L87 Difference]: Start difference. First operand 1363 states and 3446 transitions. Second operand has 21 states, 21 states have (on average 2.3333333333333335) internal successors, (49), 20 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:23,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:17:23,569 INFO L93 Difference]: Finished difference Result 2078 states and 4835 transitions. [2021-06-05 15:17:23,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-05 15:17:23,569 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.3333333333333335) internal successors, (49), 20 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-06-05 15:17:23,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:17:23,572 INFO L225 Difference]: With dead ends: 2078 [2021-06-05 15:17:23,572 INFO L226 Difference]: Without dead ends: 2078 [2021-06-05 15:17:23,573 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 739 ImplicationChecksByTransitivity, 599.0ms TimeCoverageRelationStatistics Valid=756, Invalid=2106, Unknown=0, NotChecked=0, Total=2862 [2021-06-05 15:17:23,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2078 states. [2021-06-05 15:17:23,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2078 to 1171. [2021-06-05 15:17:23,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1171 states, 1170 states have (on average 2.500854700854701) internal successors, (2926), 1170 states have internal predecessors, (2926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:23,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1171 states to 1171 states and 2926 transitions. [2021-06-05 15:17:23,586 INFO L78 Accepts]: Start accepts. Automaton has 1171 states and 2926 transitions. Word has length 28 [2021-06-05 15:17:23,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:17:23,586 INFO L482 AbstractCegarLoop]: Abstraction has 1171 states and 2926 transitions. [2021-06-05 15:17:23,586 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 2.3333333333333335) internal successors, (49), 20 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:23,587 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2926 transitions. [2021-06-05 15:17:23,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-06-05 15:17:23,588 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:17:23,588 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:17:23,803 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable69 [2021-06-05 15:17:23,804 INFO L430 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:17:23,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:17:23,804 INFO L82 PathProgramCache]: Analyzing trace with hash 876971314, now seen corresponding path program 38 times [2021-06-05 15:17:23,804 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:17:23,804 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550155211] [2021-06-05 15:17:23,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:17:23,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:23,855 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:17:23,855 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:17:23,855 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550155211] [2021-06-05 15:17:23,855 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550155211] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:23,855 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [374251088] [2021-06-05 15:17:23,855 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 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:23,878 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 15:17:23,878 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:17:23,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-05 15:17:23,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:17:24,015 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:24,015 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [374251088] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:24,015 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:17:24,015 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 19 [2021-06-05 15:17:24,015 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180315269] [2021-06-05 15:17:24,016 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-05 15:17:24,016 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:17:24,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-05 15:17:24,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-06-05 15:17:24,016 INFO L87 Difference]: Start difference. First operand 1171 states and 2926 transitions. Second operand has 20 states, 20 states have (on average 2.35) internal successors, (47), 19 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:24,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:17:24,599 INFO L93 Difference]: Finished difference Result 1575 states and 3659 transitions. [2021-06-05 15:17:24,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-05 15:17:24,600 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 2.35) internal successors, (47), 19 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-06-05 15:17:24,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:17:24,601 INFO L225 Difference]: With dead ends: 1575 [2021-06-05 15:17:24,601 INFO L226 Difference]: Without dead ends: 1536 [2021-06-05 15:17:24,602 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 797 ImplicationChecksByTransitivity, 534.5ms TimeCoverageRelationStatistics Valid=599, Invalid=2053, Unknown=0, NotChecked=0, Total=2652 [2021-06-05 15:17:24,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1536 states. [2021-06-05 15:17:24,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1536 to 1078. [2021-06-05 15:17:24,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1078 states, 1077 states have (on average 2.4753946146703805) internal successors, (2666), 1077 states have internal predecessors, (2666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:24,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 1078 states and 2666 transitions. [2021-06-05 15:17:24,625 INFO L78 Accepts]: Start accepts. Automaton has 1078 states and 2666 transitions. Word has length 28 [2021-06-05 15:17:24,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:17:24,626 INFO L482 AbstractCegarLoop]: Abstraction has 1078 states and 2666 transitions. [2021-06-05 15:17:24,626 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.35) internal successors, (47), 19 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:24,626 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 2666 transitions. [2021-06-05 15:17:24,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-06-05 15:17:24,627 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:17:24,627 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:17:24,842 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,39 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:24,842 INFO L430 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:17:24,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:17:24,842 INFO L82 PathProgramCache]: Analyzing trace with hash 706414582, now seen corresponding path program 39 times [2021-06-05 15:17:24,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:17:24,842 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894503508] [2021-06-05 15:17:24,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:17:24,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:24,894 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:17:24,894 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:17:24,894 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894503508] [2021-06-05 15:17:24,894 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894503508] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:24,894 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1728904170] [2021-06-05 15:17:24,894 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:24,916 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-05 15:17:24,916 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:17:24,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-05 15:17:24,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:17:25,045 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:25,045 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1728904170] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:25,045 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:17:25,045 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 19 [2021-06-05 15:17:25,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709748816] [2021-06-05 15:17:25,045 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-05 15:17:25,045 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:17:25,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-05 15:17:25,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-06-05 15:17:25,046 INFO L87 Difference]: Start difference. First operand 1078 states and 2666 transitions. Second operand has 20 states, 20 states have (on average 2.45) internal successors, (49), 19 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:25,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:17:25,745 INFO L93 Difference]: Finished difference Result 1983 states and 4574 transitions. [2021-06-05 15:17:25,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-05 15:17:25,746 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 2.45) internal successors, (49), 19 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-06-05 15:17:25,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:17:25,748 INFO L225 Difference]: With dead ends: 1983 [2021-06-05 15:17:25,748 INFO L226 Difference]: Without dead ends: 1983 [2021-06-05 15:17:25,748 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 953 ImplicationChecksByTransitivity, 621.6ms TimeCoverageRelationStatistics Valid=892, Invalid=2300, Unknown=0, NotChecked=0, Total=3192 [2021-06-05 15:17:25,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1983 states. [2021-06-05 15:17:25,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1983 to 1181. [2021-06-05 15:17:25,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1181 states, 1180 states have (on average 2.440677966101695) internal successors, (2880), 1180 states have internal predecessors, (2880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:25,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1181 states to 1181 states and 2880 transitions. [2021-06-05 15:17:25,770 INFO L78 Accepts]: Start accepts. Automaton has 1181 states and 2880 transitions. Word has length 28 [2021-06-05 15:17:25,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:17:25,770 INFO L482 AbstractCegarLoop]: Abstraction has 1181 states and 2880 transitions. [2021-06-05 15:17:25,770 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.45) internal successors, (49), 19 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:25,770 INFO L276 IsEmpty]: Start isEmpty. Operand 1181 states and 2880 transitions. [2021-06-05 15:17:25,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-06-05 15:17:25,771 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:17:25,772 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:17:25,984 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71,40 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:25,985 INFO L430 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:17:25,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:17:25,985 INFO L82 PathProgramCache]: Analyzing trace with hash 1792450098, now seen corresponding path program 40 times [2021-06-05 15:17:25,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:17:25,985 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685388359] [2021-06-05 15:17:25,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:17:25,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:26,030 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:17:26,030 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:17:26,031 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685388359] [2021-06-05 15:17:26,031 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685388359] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:26,031 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [994679179] [2021-06-05 15:17:26,031 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:26,052 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 15:17:26,052 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:17:26,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-05 15:17:26,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:17:26,187 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:26,188 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [994679179] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:26,188 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:17:26,188 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11] total 18 [2021-06-05 15:17:26,188 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503436408] [2021-06-05 15:17:26,188 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-05 15:17:26,188 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:17:26,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-05 15:17:26,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2021-06-05 15:17:26,188 INFO L87 Difference]: Start difference. First operand 1181 states and 2880 transitions. Second operand has 19 states, 19 states have (on average 2.473684210526316) internal successors, (47), 18 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:26,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:17:26,755 INFO L93 Difference]: Finished difference Result 1515 states and 3517 transitions. [2021-06-05 15:17:26,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-05 15:17:26,755 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.473684210526316) internal successors, (47), 18 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-06-05 15:17:26,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:17:26,756 INFO L225 Difference]: With dead ends: 1515 [2021-06-05 15:17:26,756 INFO L226 Difference]: Without dead ends: 1497 [2021-06-05 15:17:26,757 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 664 ImplicationChecksByTransitivity, 508.2ms TimeCoverageRelationStatistics Valid=519, Invalid=1737, Unknown=0, NotChecked=0, Total=2256 [2021-06-05 15:17:26,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1497 states. [2021-06-05 15:17:26,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1497 to 1209. [2021-06-05 15:17:26,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1209 states, 1208 states have (on average 2.447019867549669) internal successors, (2956), 1208 states have internal predecessors, (2956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:26,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 1209 states and 2956 transitions. [2021-06-05 15:17:26,769 INFO L78 Accepts]: Start accepts. Automaton has 1209 states and 2956 transitions. Word has length 28 [2021-06-05 15:17:26,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:17:26,769 INFO L482 AbstractCegarLoop]: Abstraction has 1209 states and 2956 transitions. [2021-06-05 15:17:26,769 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 2.473684210526316) internal successors, (47), 18 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:26,769 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 2956 transitions. [2021-06-05 15:17:26,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-06-05 15:17:26,771 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:17:26,771 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:17:26,984 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:26,985 INFO L430 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:17:26,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:17:26,985 INFO L82 PathProgramCache]: Analyzing trace with hash -352976394, now seen corresponding path program 41 times [2021-06-05 15:17:26,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:17:26,985 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536781118] [2021-06-05 15:17:26,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:17:26,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:27,029 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:17:27,030 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:17:27,030 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536781118] [2021-06-05 15:17:27,030 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536781118] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:27,030 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1662252094] [2021-06-05 15:17:27,030 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:27,053 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-06-05 15:17:27,054 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:17:27,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-05 15:17:27,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:17:27,214 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:27,214 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1662252094] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:27,214 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:17:27,215 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11] total 18 [2021-06-05 15:17:27,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845426010] [2021-06-05 15:17:27,215 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-05 15:17:27,215 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:17:27,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-05 15:17:27,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=274, Unknown=0, NotChecked=0, Total=342 [2021-06-05 15:17:27,215 INFO L87 Difference]: Start difference. First operand 1209 states and 2956 transitions. Second operand has 19 states, 19 states have (on average 2.6315789473684212) internal successors, (50), 18 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:27,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:17:27,962 INFO L93 Difference]: Finished difference Result 2391 states and 5676 transitions. [2021-06-05 15:17:27,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-05 15:17:27,963 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.6315789473684212) internal successors, (50), 18 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-06-05 15:17:27,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:17:27,964 INFO L225 Difference]: With dead ends: 2391 [2021-06-05 15:17:27,964 INFO L226 Difference]: Without dead ends: 2391 [2021-06-05 15:17:27,965 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1207 ImplicationChecksByTransitivity, 695.4ms TimeCoverageRelationStatistics Valid=1080, Invalid=2580, Unknown=0, NotChecked=0, Total=3660 [2021-06-05 15:17:27,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2391 states. [2021-06-05 15:17:27,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2391 to 1853. [2021-06-05 15:17:27,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1853 states, 1852 states have (on average 2.5) internal successors, (4630), 1852 states have internal predecessors, (4630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:27,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1853 states to 1853 states and 4630 transitions. [2021-06-05 15:17:27,984 INFO L78 Accepts]: Start accepts. Automaton has 1853 states and 4630 transitions. Word has length 28 [2021-06-05 15:17:27,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:17:27,984 INFO L482 AbstractCegarLoop]: Abstraction has 1853 states and 4630 transitions. [2021-06-05 15:17:27,984 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 2.6315789473684212) internal successors, (50), 18 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:27,984 INFO L276 IsEmpty]: Start isEmpty. Operand 1853 states and 4630 transitions. [2021-06-05 15:17:27,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-06-05 15:17:27,986 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:17:27,986 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:17:28,189 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73,42 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:28,190 INFO L430 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:17:28,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:17:28,190 INFO L82 PathProgramCache]: Analyzing trace with hash 1995970268, now seen corresponding path program 42 times [2021-06-05 15:17:28,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:17:28,190 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130593322] [2021-06-05 15:17:28,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:17:28,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:28,240 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:17:28,240 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:17:28,240 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130593322] [2021-06-05 15:17:28,240 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130593322] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:28,240 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [641752447] [2021-06-05 15:17:28,240 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:28,262 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-05 15:17:28,262 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:17:28,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-05 15:17:28,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:17:28,382 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:28,382 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [641752447] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:28,383 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:17:28,383 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 17 [2021-06-05 15:17:28,383 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144244185] [2021-06-05 15:17:28,383 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 15:17:28,383 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:17:28,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 15:17:28,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2021-06-05 15:17:28,383 INFO L87 Difference]: Start difference. First operand 1853 states and 4630 transitions. Second operand has 18 states, 18 states have (on average 2.5555555555555554) internal successors, (46), 17 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:28,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:17:28,877 INFO L93 Difference]: Finished difference Result 2323 states and 5527 transitions. [2021-06-05 15:17:28,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-05 15:17:28,877 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.5555555555555554) internal successors, (46), 17 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-06-05 15:17:28,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:17:28,879 INFO L225 Difference]: With dead ends: 2323 [2021-06-05 15:17:28,879 INFO L226 Difference]: Without dead ends: 2319 [2021-06-05 15:17:28,879 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 633 ImplicationChecksByTransitivity, 462.7ms TimeCoverageRelationStatistics Valid=634, Invalid=1622, Unknown=0, NotChecked=0, Total=2256 [2021-06-05 15:17:28,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2319 states. [2021-06-05 15:17:28,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2319 to 1827. [2021-06-05 15:17:28,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1827 states, 1826 states have (on average 2.4961664841182913) internal successors, (4558), 1826 states have internal predecessors, (4558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:28,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1827 states to 1827 states and 4558 transitions. [2021-06-05 15:17:28,898 INFO L78 Accepts]: Start accepts. Automaton has 1827 states and 4558 transitions. Word has length 28 [2021-06-05 15:17:28,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:17:28,898 INFO L482 AbstractCegarLoop]: Abstraction has 1827 states and 4558 transitions. [2021-06-05 15:17:28,898 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 2.5555555555555554) internal successors, (46), 17 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:28,898 INFO L276 IsEmpty]: Start isEmpty. Operand 1827 states and 4558 transitions. [2021-06-05 15:17:28,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-06-05 15:17:28,900 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:17:28,900 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:17:29,112 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74,43 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:29,113 INFO L430 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:17:29,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:17:29,113 INFO L82 PathProgramCache]: Analyzing trace with hash 1489624002, now seen corresponding path program 43 times [2021-06-05 15:17:29,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:17:29,113 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85716888] [2021-06-05 15:17:29,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:17:29,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:29,156 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:17:29,156 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:17:29,156 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85716888] [2021-06-05 15:17:29,156 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85716888] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:29,156 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2036431720] [2021-06-05 15:17:29,156 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:29,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:29,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-05 15:17:29,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:17:29,306 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:29,306 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2036431720] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:29,306 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:17:29,306 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11] total 18 [2021-06-05 15:17:29,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301886102] [2021-06-05 15:17:29,307 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-05 15:17:29,307 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:17:29,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-05 15:17:29,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=274, Unknown=0, NotChecked=0, Total=342 [2021-06-05 15:17:29,307 INFO L87 Difference]: Start difference. First operand 1827 states and 4558 transitions. Second operand has 19 states, 19 states have (on average 2.4210526315789473) internal successors, (46), 18 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:29,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:17:29,825 INFO L93 Difference]: Finished difference Result 2472 states and 5895 transitions. [2021-06-05 15:17:29,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-05 15:17:29,825 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.4210526315789473) internal successors, (46), 18 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-06-05 15:17:29,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:17:29,827 INFO L225 Difference]: With dead ends: 2472 [2021-06-05 15:17:29,827 INFO L226 Difference]: Without dead ends: 2460 [2021-06-05 15:17:29,827 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 664 ImplicationChecksByTransitivity, 476.3ms TimeCoverageRelationStatistics Valid=613, Invalid=1739, Unknown=0, NotChecked=0, Total=2352 [2021-06-05 15:17:29,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2460 states. [2021-06-05 15:17:29,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2460 to 1976. [2021-06-05 15:17:29,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1976 states, 1975 states have (on average 2.5063291139240507) internal successors, (4950), 1975 states have internal predecessors, (4950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:29,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1976 states to 1976 states and 4950 transitions. [2021-06-05 15:17:29,847 INFO L78 Accepts]: Start accepts. Automaton has 1976 states and 4950 transitions. Word has length 28 [2021-06-05 15:17:29,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:17:29,847 INFO L482 AbstractCegarLoop]: Abstraction has 1976 states and 4950 transitions. [2021-06-05 15:17:29,847 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 2.4210526315789473) internal successors, (46), 18 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:29,848 INFO L276 IsEmpty]: Start isEmpty. Operand 1976 states and 4950 transitions. [2021-06-05 15:17:29,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-06-05 15:17:29,849 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:17:29,849 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:17:30,049 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75,44 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:30,050 INFO L430 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:17:30,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:17:30,050 INFO L82 PathProgramCache]: Analyzing trace with hash 1262402622, now seen corresponding path program 44 times [2021-06-05 15:17:30,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:17:30,050 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297622229] [2021-06-05 15:17:30,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:17:30,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:30,103 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:17:30,103 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:17:30,103 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297622229] [2021-06-05 15:17:30,103 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297622229] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:30,103 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [754034201] [2021-06-05 15:17:30,103 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:30,124 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 15:17:30,124 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:17:30,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-05 15:17:30,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:17:30,252 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:30,253 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [754034201] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:30,253 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:17:30,253 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 19 [2021-06-05 15:17:30,253 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659633902] [2021-06-05 15:17:30,253 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-05 15:17:30,253 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:17:30,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-05 15:17:30,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=305, Unknown=0, NotChecked=0, Total=380 [2021-06-05 15:17:30,253 INFO L87 Difference]: Start difference. First operand 1976 states and 4950 transitions. Second operand has 20 states, 20 states have (on average 2.3) internal successors, (46), 19 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:30,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:17:30,826 INFO L93 Difference]: Finished difference Result 2770 states and 6589 transitions. [2021-06-05 15:17:30,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-05 15:17:30,826 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 2.3) internal successors, (46), 19 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-06-05 15:17:30,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:17:30,828 INFO L225 Difference]: With dead ends: 2770 [2021-06-05 15:17:30,828 INFO L226 Difference]: Without dead ends: 2750 [2021-06-05 15:17:30,828 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 761 ImplicationChecksByTransitivity, 533.3ms TimeCoverageRelationStatistics Valid=662, Invalid=1990, Unknown=0, NotChecked=0, Total=2652 [2021-06-05 15:17:30,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2750 states. [2021-06-05 15:17:30,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2750 to 2206. [2021-06-05 15:17:30,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2206 states, 2205 states have (on average 2.510204081632653) internal successors, (5535), 2205 states have internal predecessors, (5535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:30,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2206 states to 2206 states and 5535 transitions. [2021-06-05 15:17:30,852 INFO L78 Accepts]: Start accepts. Automaton has 2206 states and 5535 transitions. Word has length 28 [2021-06-05 15:17:30,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:17:30,852 INFO L482 AbstractCegarLoop]: Abstraction has 2206 states and 5535 transitions. [2021-06-05 15:17:30,852 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.3) internal successors, (46), 19 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:30,852 INFO L276 IsEmpty]: Start isEmpty. Operand 2206 states and 5535 transitions. [2021-06-05 15:17:30,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-06-05 15:17:30,854 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:17:30,854 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:17:31,054 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable76 [2021-06-05 15:17:31,054 INFO L430 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:17:31,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:17:31,055 INFO L82 PathProgramCache]: Analyzing trace with hash 1945988538, now seen corresponding path program 45 times [2021-06-05 15:17:31,055 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:17:31,055 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820177853] [2021-06-05 15:17:31,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:17:31,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:31,110 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:31,110 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:17:31,110 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820177853] [2021-06-05 15:17:31,110 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820177853] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:31,110 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2064096701] [2021-06-05 15:17:31,110 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:31,133 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-05 15:17:31,133 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:17:31,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-05 15:17:31,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:17:31,263 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:31,263 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2064096701] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:31,263 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:17:31,263 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-06-05 15:17:31,263 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684157589] [2021-06-05 15:17:31,263 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-05 15:17:31,263 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:17:31,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-05 15:17:31,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=334, Unknown=0, NotChecked=0, Total=420 [2021-06-05 15:17:31,264 INFO L87 Difference]: Start difference. First operand 2206 states and 5535 transitions. Second operand has 21 states, 21 states have (on average 2.1904761904761907) internal successors, (46), 20 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:31,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:17:31,877 INFO L93 Difference]: Finished difference Result 2769 states and 6659 transitions. [2021-06-05 15:17:31,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-05 15:17:31,877 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.1904761904761907) internal successors, (46), 20 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-06-05 15:17:31,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:17:31,879 INFO L225 Difference]: With dead ends: 2769 [2021-06-05 15:17:31,879 INFO L226 Difference]: Without dead ends: 2741 [2021-06-05 15:17:31,879 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 953 ImplicationChecksByTransitivity, 578.9ms TimeCoverageRelationStatistics Valid=778, Invalid=2414, Unknown=0, NotChecked=0, Total=3192 [2021-06-05 15:17:31,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2741 states. [2021-06-05 15:17:31,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2741 to 2259. [2021-06-05 15:17:31,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2259 states, 2258 states have (on average 2.5230292294065544) internal successors, (5697), 2258 states have internal predecessors, (5697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:31,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2259 states to 2259 states and 5697 transitions. [2021-06-05 15:17:31,903 INFO L78 Accepts]: Start accepts. Automaton has 2259 states and 5697 transitions. Word has length 28 [2021-06-05 15:17:31,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:17:31,903 INFO L482 AbstractCegarLoop]: Abstraction has 2259 states and 5697 transitions. [2021-06-05 15:17:31,903 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 2.1904761904761907) internal successors, (46), 20 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:31,903 INFO L276 IsEmpty]: Start isEmpty. Operand 2259 states and 5697 transitions. [2021-06-05 15:17:31,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-06-05 15:17:31,905 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:17:31,905 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:17:32,106 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable77 [2021-06-05 15:17:32,106 INFO L430 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:17:32,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:17:32,106 INFO L82 PathProgramCache]: Analyzing trace with hash 1181662516, now seen corresponding path program 46 times [2021-06-05 15:17:32,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:17:32,106 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677344271] [2021-06-05 15:17:32,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:17:32,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:32,130 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:32,130 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:17:32,130 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677344271] [2021-06-05 15:17:32,130 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677344271] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:32,130 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [491820098] [2021-06-05 15:17:32,131 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:32,152 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 15:17:32,152 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:17:32,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-05 15:17:32,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:17:32,227 INFO L354 Elim1Store]: treesize reduction 16, result has 67.3 percent of original size [2021-06-05 15:17:32,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 64 treesize of output 65 [2021-06-05 15:17:32,229 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:17:32,241 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:17:32,242 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:17:32,242 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:64, output treesize:92 [2021-06-05 15:17:32,568 INFO L354 Elim1Store]: treesize reduction 46, result has 6.1 percent of original size [2021-06-05 15:17:32,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 63 treesize of output 31 [2021-06-05 15:17:32,570 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:17:32,610 INFO L628 ElimStorePlain]: treesize reduction 53, result has 71.5 percent of original size [2021-06-05 15:17:32,634 INFO L354 Elim1Store]: treesize reduction 24, result has 51.0 percent of original size [2021-06-05 15:17:32,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 52 [2021-06-05 15:17:32,636 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:17:32,642 INFO L628 ElimStorePlain]: treesize reduction 86, result has 3.4 percent of original size [2021-06-05 15:17:32,642 INFO L518 ElimStorePlain]: Eliminatee v_prenex_27 vanished before elimination [2021-06-05 15:17:32,642 INFO L518 ElimStorePlain]: Eliminatee v_prenex_26 vanished before elimination [2021-06-05 15:17:32,643 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:17:32,643 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 8 variables, input treesize:242, output treesize:3 [2021-06-05 15:17:32,647 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:32,647 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [491820098] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:32,647 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:17:32,647 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 14 [2021-06-05 15:17:32,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814081680] [2021-06-05 15:17:32,648 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-05 15:17:32,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:17:32,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-05 15:17:32,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-06-05 15:17:32,648 INFO L87 Difference]: Start difference. First operand 2259 states and 5697 transitions. Second operand has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 14 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:32,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:17:32,816 INFO L93 Difference]: Finished difference Result 2998 states and 7342 transitions. [2021-06-05 15:17:32,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-05 15:17:32,816 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 14 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-06-05 15:17:32,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:17:32,819 INFO L225 Difference]: With dead ends: 2998 [2021-06-05 15:17:32,819 INFO L226 Difference]: Without dead ends: 2991 [2021-06-05 15:17:32,819 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 206.3ms TimeCoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-06-05 15:17:32,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2991 states. [2021-06-05 15:17:32,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2991 to 2615. [2021-06-05 15:17:32,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2615 states, 2614 states have (on average 2.5355776587605203) internal successors, (6628), 2614 states have internal predecessors, (6628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:32,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2615 states to 2615 states and 6628 transitions. [2021-06-05 15:17:32,846 INFO L78 Accepts]: Start accepts. Automaton has 2615 states and 6628 transitions. Word has length 30 [2021-06-05 15:17:32,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:17:32,847 INFO L482 AbstractCegarLoop]: Abstraction has 2615 states and 6628 transitions. [2021-06-05 15:17:32,847 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 14 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:32,847 INFO L276 IsEmpty]: Start isEmpty. Operand 2615 states and 6628 transitions. [2021-06-05 15:17:32,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-06-05 15:17:32,849 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:17:32,849 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:17:33,049 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable78 [2021-06-05 15:17:33,049 INFO L430 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:17:33,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:17:33,050 INFO L82 PathProgramCache]: Analyzing trace with hash 61643060, now seen corresponding path program 47 times [2021-06-05 15:17:33,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:17:33,050 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948941423] [2021-06-05 15:17:33,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:17:33,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:33,072 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 15:17:33,073 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:17:33,073 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948941423] [2021-06-05 15:17:33,073 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948941423] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:33,073 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [136432390] [2021-06-05 15:17:33,073 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) [2021-06-05 15:17:33,106 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-05 15:17:33,106 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:17:33,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-05 15:17:33,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:33,234 INFO L354 Elim1Store]: treesize reduction 116, result has 35.9 percent of original size [2021-06-05 15:17:33,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 15 case distinctions, treesize of input 82 treesize of output 97 [2021-06-05 15:17:33,236 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:17:33,249 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:17:33,249 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:17:33,249 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:82, output treesize:88 [2021-06-05 15:17:33,345 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-06-05 15:17:33,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 1 [2021-06-05 15:17:33,345 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:17:33,356 INFO L354 Elim1Store]: treesize reduction 21, result has 16.0 percent of original size [2021-06-05 15:17:33,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 25 [2021-06-05 15:17:33,357 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:17:33,364 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-06-05 15:17:33,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 36 treesize of output 20 [2021-06-05 15:17:33,365 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:17:33,372 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-06-05 15:17:33,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 15:17:33,373 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:17:33,383 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-06-05 15:17:33,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 59 treesize of output 29 [2021-06-05 15:17:33,384 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 15:17:33,390 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-06-05 15:17:33,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 54 treesize of output 24 [2021-06-05 15:17:33,391 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 15:17:33,397 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-06-05 15:17:33,398 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 50 treesize of output 24 [2021-06-05 15:17:33,398 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 15:17:33,402 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-06-05 15:17:33,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 13 [2021-06-05 15:17:33,403 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 15:17:33,409 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-06-05 15:17:33,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 21 [2021-06-05 15:17:33,410 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 15:17:33,412 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-06-05 15:17:33,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 28 [2021-06-05 15:17:33,413 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 15:17:33,414 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:17:33,414 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:17:33,414 INFO L247 ElimStorePlain]: Needed 11 recursive calls to eliminate 2 variables, input treesize:431, output treesize:3 [2021-06-05 15:17:33,422 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:17:33,422 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [136432390] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:33,422 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:17:33,422 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 14 [2021-06-05 15:17:33,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32602977] [2021-06-05 15:17:33,422 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-05 15:17:33,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:17:33,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-05 15:17:33,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-06-05 15:17:33,422 INFO L87 Difference]: Start difference. First operand 2615 states and 6628 transitions. Second operand has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:33,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:17:33,496 INFO L93 Difference]: Finished difference Result 3125 states and 7770 transitions. [2021-06-05 15:17:33,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-05 15:17:33,497 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-06-05 15:17:33,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:17:33,500 INFO L225 Difference]: With dead ends: 3125 [2021-06-05 15:17:33,500 INFO L226 Difference]: Without dead ends: 3109 [2021-06-05 15:17:33,500 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 94.5ms TimeCoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-06-05 15:17:33,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3109 states. [2021-06-05 15:17:33,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3109 to 2831. [2021-06-05 15:17:33,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2831 states, 2830 states have (on average 2.5547703180212014) internal successors, (7230), 2830 states have internal predecessors, (7230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:33,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2831 states to 2831 states and 7230 transitions. [2021-06-05 15:17:33,528 INFO L78 Accepts]: Start accepts. Automaton has 2831 states and 7230 transitions. Word has length 30 [2021-06-05 15:17:33,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:17:33,529 INFO L482 AbstractCegarLoop]: Abstraction has 2831 states and 7230 transitions. [2021-06-05 15:17:33,529 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:33,529 INFO L276 IsEmpty]: Start isEmpty. Operand 2831 states and 7230 transitions. [2021-06-05 15:17:33,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-06-05 15:17:33,531 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:17:33,531 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:17:33,742 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:33,743 INFO L430 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:17:33,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:17:33,743 INFO L82 PathProgramCache]: Analyzing trace with hash 1458216244, now seen corresponding path program 48 times [2021-06-05 15:17:33,743 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:17:33,743 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47968876] [2021-06-05 15:17:33,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:17:33,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:33,766 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 15:17:33,767 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:17:33,767 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47968876] [2021-06-05 15:17:33,767 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47968876] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:33,767 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [661635649] [2021-06-05 15:17:33,767 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:33,808 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-06-05 15:17:33,808 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:17:33,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 33 conjunts are in the unsatisfiable core [2021-06-05 15:17:33,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:17:33,911 INFO L446 ElimStorePlain]: Different costs {10=[f], 15=[f_inv]} [2021-06-05 15:17:33,940 INFO L354 Elim1Store]: treesize reduction 45, result has 44.4 percent of original size [2021-06-05 15:17:33,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 123 treesize of output 96 [2021-06-05 15:17:33,991 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:17:34,019 INFO L628 ElimStorePlain]: treesize reduction 11, result has 91.0 percent of original size [2021-06-05 15:17:34,036 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:17:34,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 111 treesize of output 96 [2021-06-05 15:17:34,066 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:17:34,067 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:17:34,067 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:17:34,067 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:123, output treesize:3 [2021-06-05 15:17:34,074 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:17:34,075 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [661635649] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:34,075 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:17:34,075 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 14 [2021-06-05 15:17:34,075 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364821340] [2021-06-05 15:17:34,075 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-05 15:17:34,075 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:17:34,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-05 15:17:34,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-06-05 15:17:34,075 INFO L87 Difference]: Start difference. First operand 2831 states and 7230 transitions. Second operand has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:34,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:17:34,174 INFO L93 Difference]: Finished difference Result 3299 states and 8293 transitions. [2021-06-05 15:17:34,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-05 15:17:34,175 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-06-05 15:17:34,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:17:34,178 INFO L225 Difference]: With dead ends: 3299 [2021-06-05 15:17:34,178 INFO L226 Difference]: Without dead ends: 3281 [2021-06-05 15:17:34,178 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 87.1ms TimeCoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-06-05 15:17:34,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3281 states. [2021-06-05 15:17:34,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3281 to 3017. [2021-06-05 15:17:34,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3017 states, 3016 states have (on average 2.570954907161804) internal successors, (7754), 3016 states have internal predecessors, (7754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:34,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3017 states to 3017 states and 7754 transitions. [2021-06-05 15:17:34,218 INFO L78 Accepts]: Start accepts. Automaton has 3017 states and 7754 transitions. Word has length 30 [2021-06-05 15:17:34,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:17:34,218 INFO L482 AbstractCegarLoop]: Abstraction has 3017 states and 7754 transitions. [2021-06-05 15:17:34,218 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:34,218 INFO L276 IsEmpty]: Start isEmpty. Operand 3017 states and 7754 transitions. [2021-06-05 15:17:34,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-06-05 15:17:34,221 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:17:34,221 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:17:34,421 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable112 [2021-06-05 15:17:34,421 INFO L430 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:17:34,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:17:34,422 INFO L82 PathProgramCache]: Analyzing trace with hash -759717580, now seen corresponding path program 49 times [2021-06-05 15:17:34,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:17:34,422 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049172055] [2021-06-05 15:17:34,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:17:34,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:34,445 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 15:17:34,445 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:17:34,445 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049172055] [2021-06-05 15:17:34,445 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049172055] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:34,445 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1358512779] [2021-06-05 15:17:34,445 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 [2021-06-05 15:17:34,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:34,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-05 15:17:34,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:17:34,545 INFO L354 Elim1Store]: treesize reduction 16, result has 70.9 percent of original size [2021-06-05 15:17:34,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 69 [2021-06-05 15:17:34,548 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:17:34,561 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:17:34,562 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:17:34,562 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:78, output treesize:66 [2021-06-05 15:17:34,766 INFO L446 ElimStorePlain]: Different costs {3=[f], 6=[v_prenex_32, v_prenex_31]} [2021-06-05 15:17:34,777 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:17:34,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 37 [2021-06-05 15:17:34,778 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:17:34,783 INFO L628 ElimStorePlain]: treesize reduction 89, result has 3.3 percent of original size [2021-06-05 15:17:34,783 INFO L518 ElimStorePlain]: Eliminatee v_prenex_32 vanished before elimination [2021-06-05 15:17:34,783 INFO L518 ElimStorePlain]: Eliminatee v_prenex_31 vanished before elimination [2021-06-05 15:17:34,783 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:17:34,783 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:108, output treesize:3 [2021-06-05 15:17:34,791 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:17:34,791 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1358512779] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:34,791 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:17:34,791 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 14 [2021-06-05 15:17:34,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525174284] [2021-06-05 15:17:34,791 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-05 15:17:34,791 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:17:34,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-05 15:17:34,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-06-05 15:17:34,791 INFO L87 Difference]: Start difference. First operand 3017 states and 7754 transitions. Second operand has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:34,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:17:34,922 INFO L93 Difference]: Finished difference Result 3711 states and 9322 transitions. [2021-06-05 15:17:34,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-05 15:17:34,922 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-06-05 15:17:34,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:17:34,926 INFO L225 Difference]: With dead ends: 3711 [2021-06-05 15:17:34,926 INFO L226 Difference]: Without dead ends: 3682 [2021-06-05 15:17:34,926 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 170.5ms TimeCoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-06-05 15:17:34,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3682 states. [2021-06-05 15:17:34,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3682 to 3254. [2021-06-05 15:17:34,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3254 states, 3253 states have (on average 2.5853058715032278) internal successors, (8410), 3253 states have internal predecessors, (8410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:34,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3254 states to 3254 states and 8410 transitions. [2021-06-05 15:17:34,963 INFO L78 Accepts]: Start accepts. Automaton has 3254 states and 8410 transitions. Word has length 30 [2021-06-05 15:17:34,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:17:34,963 INFO L482 AbstractCegarLoop]: Abstraction has 3254 states and 8410 transitions. [2021-06-05 15:17:34,963 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:34,963 INFO L276 IsEmpty]: Start isEmpty. Operand 3254 states and 8410 transitions. [2021-06-05 15:17:34,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-06-05 15:17:34,965 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:17:34,965 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:17:35,169 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable144 [2021-06-05 15:17:35,169 INFO L430 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:17:35,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:17:35,169 INFO L82 PathProgramCache]: Analyzing trace with hash -1890343628, now seen corresponding path program 50 times [2021-06-05 15:17:35,169 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:17:35,169 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620424251] [2021-06-05 15:17:35,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:17:35,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:35,196 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 15:17:35,196 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:17:35,196 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620424251] [2021-06-05 15:17:35,196 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620424251] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:35,196 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1617137930] [2021-06-05 15:17:35,196 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:35,228 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 15:17:35,228 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:17:35,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-05 15:17:35,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:17:35,313 INFO L354 Elim1Store]: treesize reduction 16, result has 67.3 percent of original size [2021-06-05 15:17:35,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 64 treesize of output 65 [2021-06-05 15:17:35,315 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:17:35,331 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:17:35,332 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:17:35,332 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:64, output treesize:92 [2021-06-05 15:17:35,640 INFO L354 Elim1Store]: treesize reduction 46, result has 6.1 percent of original size [2021-06-05 15:17:35,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 63 treesize of output 31 [2021-06-05 15:17:35,641 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:17:35,687 INFO L628 ElimStorePlain]: treesize reduction 51, result has 72.6 percent of original size [2021-06-05 15:17:35,701 INFO L354 Elim1Store]: treesize reduction 42, result has 14.3 percent of original size [2021-06-05 15:17:35,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 36 treesize of output 29 [2021-06-05 15:17:35,703 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:17:35,720 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:17:35,745 INFO L354 Elim1Store]: treesize reduction 24, result has 51.0 percent of original size [2021-06-05 15:17:35,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 52 [2021-06-05 15:17:35,747 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:17:35,753 INFO L628 ElimStorePlain]: treesize reduction 59, result has 4.8 percent of original size [2021-06-05 15:17:35,753 INFO L518 ElimStorePlain]: Eliminatee v_prenex_39 vanished before elimination [2021-06-05 15:17:35,753 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:17:35,753 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 8 variables, input treesize:242, output treesize:3 [2021-06-05 15:17:35,761 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 15:17:35,761 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1617137930] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:35,761 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:17:35,761 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 14 [2021-06-05 15:17:35,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743435654] [2021-06-05 15:17:35,761 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-05 15:17:35,761 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:17:35,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-05 15:17:35,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-06-05 15:17:35,762 INFO L87 Difference]: Start difference. First operand 3254 states and 8410 transitions. Second operand has 14 states, 14 states have (on average 3.142857142857143) internal successors, (44), 14 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:35,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:17:35,876 INFO L93 Difference]: Finished difference Result 3930 states and 9906 transitions. [2021-06-05 15:17:35,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-05 15:17:35,876 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.142857142857143) internal successors, (44), 14 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-06-05 15:17:35,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:17:35,879 INFO L225 Difference]: With dead ends: 3930 [2021-06-05 15:17:35,879 INFO L226 Difference]: Without dead ends: 3923 [2021-06-05 15:17:35,880 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 207.5ms TimeCoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-06-05 15:17:35,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3923 states. [2021-06-05 15:17:35,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3923 to 3481. [2021-06-05 15:17:35,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3481 states, 3480 states have (on average 2.5977011494252875) internal successors, (9040), 3480 states have internal predecessors, (9040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:35,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3481 states to 3481 states and 9040 transitions. [2021-06-05 15:17:35,928 INFO L78 Accepts]: Start accepts. Automaton has 3481 states and 9040 transitions. Word has length 30 [2021-06-05 15:17:35,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:17:35,928 INFO L482 AbstractCegarLoop]: Abstraction has 3481 states and 9040 transitions. [2021-06-05 15:17:35,928 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 3.142857142857143) internal successors, (44), 14 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:35,928 INFO L276 IsEmpty]: Start isEmpty. Operand 3481 states and 9040 transitions. [2021-06-05 15:17:35,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-06-05 15:17:35,931 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:17:35,931 INFO L521 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:17:36,144 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154,51 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:36,145 INFO L430 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:17:36,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:17:36,145 INFO L82 PathProgramCache]: Analyzing trace with hash 1501992374, now seen corresponding path program 51 times [2021-06-05 15:17:36,145 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:17:36,145 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120066640] [2021-06-05 15:17:36,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:17:36,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:36,225 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:36,226 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:17:36,226 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120066640] [2021-06-05 15:17:36,226 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120066640] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:36,226 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [339581885] [2021-06-05 15:17:36,226 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:36,253 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-06-05 15:17:36,254 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:17:36,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-05 15:17:36,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:17:36,433 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:36,433 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [339581885] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:36,433 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:17:36,433 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 25 [2021-06-05 15:17:36,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692341660] [2021-06-05 15:17:36,433 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-06-05 15:17:36,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:17:36,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-06-05 15:17:36,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=519, Unknown=0, NotChecked=0, Total=650 [2021-06-05 15:17:36,434 INFO L87 Difference]: Start difference. First operand 3481 states and 9040 transitions. Second operand has 26 states, 26 states have (on average 2.230769230769231) internal successors, (58), 25 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:37,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:17:37,392 INFO L93 Difference]: Finished difference Result 4394 states and 10868 transitions. [2021-06-05 15:17:37,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-05 15:17:37,392 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 2.230769230769231) internal successors, (58), 25 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-06-05 15:17:37,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:17:37,396 INFO L225 Difference]: With dead ends: 4394 [2021-06-05 15:17:37,396 INFO L226 Difference]: Without dead ends: 4394 [2021-06-05 15:17:37,396 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1271 ImplicationChecksByTransitivity, 846.5ms TimeCoverageRelationStatistics Valid=1299, Invalid=3671, Unknown=0, NotChecked=0, Total=4970 [2021-06-05 15:17:37,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4394 states. [2021-06-05 15:17:37,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4394 to 3164. [2021-06-05 15:17:37,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3164 states, 3163 states have (on average 2.5861523869743914) internal successors, (8180), 3163 states have internal predecessors, (8180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:37,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3164 states to 3164 states and 8180 transitions. [2021-06-05 15:17:37,430 INFO L78 Accepts]: Start accepts. Automaton has 3164 states and 8180 transitions. Word has length 32 [2021-06-05 15:17:37,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:17:37,431 INFO L482 AbstractCegarLoop]: Abstraction has 3164 states and 8180 transitions. [2021-06-05 15:17:37,431 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 2.230769230769231) internal successors, (58), 25 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:37,431 INFO L276 IsEmpty]: Start isEmpty. Operand 3164 states and 8180 transitions. [2021-06-05 15:17:37,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-06-05 15:17:37,433 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:17:37,433 INFO L521 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:17:37,633 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable169 [2021-06-05 15:17:37,634 INFO L430 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:17:37,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:17:37,634 INFO L82 PathProgramCache]: Analyzing trace with hash 783257330, now seen corresponding path program 52 times [2021-06-05 15:17:37,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:17:37,634 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088088466] [2021-06-05 15:17:37,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:17:37,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:37,704 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:37,705 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:17:37,705 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088088466] [2021-06-05 15:17:37,705 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088088466] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:37,705 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [863238696] [2021-06-05 15:17:37,705 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:37,729 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 15:17:37,729 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:17:37,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-05 15:17:37,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:17:37,905 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:37,905 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [863238696] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:37,905 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:17:37,905 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-06-05 15:17:37,905 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949526794] [2021-06-05 15:17:37,905 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-05 15:17:37,905 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:17:37,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-05 15:17:37,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=492, Unknown=0, NotChecked=0, Total=600 [2021-06-05 15:17:37,906 INFO L87 Difference]: Start difference. First operand 3164 states and 8180 transitions. Second operand has 25 states, 25 states have (on average 2.24) internal successors, (56), 24 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:39,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:17:39,302 INFO L93 Difference]: Finished difference Result 5243 states and 12644 transitions. [2021-06-05 15:17:39,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-06-05 15:17:39,302 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 2.24) internal successors, (56), 24 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-06-05 15:17:39,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:17:39,306 INFO L225 Difference]: With dead ends: 5243 [2021-06-05 15:17:39,306 INFO L226 Difference]: Without dead ends: 5139 [2021-06-05 15:17:39,306 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2425 ImplicationChecksByTransitivity, 1291.2ms TimeCoverageRelationStatistics Valid=1756, Invalid=6076, Unknown=0, NotChecked=0, Total=7832 [2021-06-05 15:17:39,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5139 states. [2021-06-05 15:17:39,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5139 to 3339. [2021-06-05 15:17:39,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3339 states, 3338 states have (on average 2.5820850808867584) internal successors, (8619), 3338 states have internal predecessors, (8619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:39,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3339 states to 3339 states and 8619 transitions. [2021-06-05 15:17:39,348 INFO L78 Accepts]: Start accepts. Automaton has 3339 states and 8619 transitions. Word has length 32 [2021-06-05 15:17:39,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:17:39,348 INFO L482 AbstractCegarLoop]: Abstraction has 3339 states and 8619 transitions. [2021-06-05 15:17:39,348 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.24) internal successors, (56), 24 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:39,348 INFO L276 IsEmpty]: Start isEmpty. Operand 3339 states and 8619 transitions. [2021-06-05 15:17:39,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-06-05 15:17:39,350 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:17:39,350 INFO L521 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:17:39,551 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable170,53 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:39,551 INFO L430 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:17:39,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:17:39,551 INFO L82 PathProgramCache]: Analyzing trace with hash 325676430, now seen corresponding path program 53 times [2021-06-05 15:17:39,551 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:17:39,551 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854169571] [2021-06-05 15:17:39,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:17:39,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:39,600 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:39,601 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:17:39,601 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854169571] [2021-06-05 15:17:39,601 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854169571] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:39,601 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1886993288] [2021-06-05 15:17:39,601 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) [2021-06-05 15:17:39,627 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-05 15:17:39,627 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:17:39,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-05 15:17:39,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:39,786 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:39,787 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1886993288] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:39,787 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:17:39,787 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 13] total 20 [2021-06-05 15:17:39,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247820397] [2021-06-05 15:17:39,787 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-05 15:17:39,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:17:39,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-05 15:17:39,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=344, Unknown=0, NotChecked=0, Total=420 [2021-06-05 15:17:39,787 INFO L87 Difference]: Start difference. First operand 3339 states and 8619 transitions. Second operand has 21 states, 21 states have (on average 2.5714285714285716) internal successors, (54), 20 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:40,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:17:40,912 INFO L93 Difference]: Finished difference Result 6359 states and 15875 transitions. [2021-06-05 15:17:40,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-05 15:17:40,912 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.5714285714285716) internal successors, (54), 20 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-06-05 15:17:40,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:17:40,917 INFO L225 Difference]: With dead ends: 6359 [2021-06-05 15:17:40,917 INFO L226 Difference]: Without dead ends: 6347 [2021-06-05 15:17:40,918 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1905 ImplicationChecksByTransitivity, 979.1ms TimeCoverageRelationStatistics Valid=1604, Invalid=4248, Unknown=0, NotChecked=0, Total=5852 [2021-06-05 15:17:40,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6347 states. [2021-06-05 15:17:40,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6347 to 4305. [2021-06-05 15:17:40,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4305 states, 4304 states have (on average 2.5820167286245352) internal successors, (11113), 4304 states have internal predecessors, (11113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:40,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4305 states to 4305 states and 11113 transitions. [2021-06-05 15:17:40,976 INFO L78 Accepts]: Start accepts. Automaton has 4305 states and 11113 transitions. Word has length 32 [2021-06-05 15:17:40,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:17:40,976 INFO L482 AbstractCegarLoop]: Abstraction has 4305 states and 11113 transitions. [2021-06-05 15:17:40,976 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 2.5714285714285716) internal successors, (54), 20 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:40,976 INFO L276 IsEmpty]: Start isEmpty. Operand 4305 states and 11113 transitions. [2021-06-05 15:17:40,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-06-05 15:17:40,979 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:17:40,979 INFO L521 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:17:41,179 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable171 [2021-06-05 15:17:41,179 INFO L430 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:17:41,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:17:41,180 INFO L82 PathProgramCache]: Analyzing trace with hash -1058221652, now seen corresponding path program 54 times [2021-06-05 15:17:41,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:17:41,180 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159843208] [2021-06-05 15:17:41,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:17:41,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:41,228 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 21 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:41,228 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:17:41,228 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159843208] [2021-06-05 15:17:41,228 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159843208] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:41,228 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [987646990] [2021-06-05 15:17:41,228 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:41,252 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-06-05 15:17:41,252 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:17:41,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-05 15:17:41,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:17:41,423 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 21 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:41,423 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [987646990] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:41,423 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:17:41,424 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 13] total 20 [2021-06-05 15:17:41,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344211998] [2021-06-05 15:17:41,424 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-05 15:17:41,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:17:41,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-05 15:17:41,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2021-06-05 15:17:41,424 INFO L87 Difference]: Start difference. First operand 4305 states and 11113 transitions. Second operand has 21 states, 21 states have (on average 2.5714285714285716) internal successors, (54), 20 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:42,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:17:42,318 INFO L93 Difference]: Finished difference Result 4664 states and 11802 transitions. [2021-06-05 15:17:42,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-05 15:17:42,319 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.5714285714285716) internal successors, (54), 20 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-06-05 15:17:42,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:17:42,323 INFO L225 Difference]: With dead ends: 4664 [2021-06-05 15:17:42,323 INFO L226 Difference]: Without dead ends: 4660 [2021-06-05 15:17:42,323 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1283 ImplicationChecksByTransitivity, 815.1ms TimeCoverageRelationStatistics Valid=1088, Invalid=3334, Unknown=0, NotChecked=0, Total=4422 [2021-06-05 15:17:42,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4660 states. [2021-06-05 15:17:42,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4660 to 4305. [2021-06-05 15:17:42,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4305 states, 4304 states have (on average 2.5810873605947955) internal successors, (11109), 4304 states have internal predecessors, (11109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:42,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4305 states to 4305 states and 11109 transitions. [2021-06-05 15:17:42,363 INFO L78 Accepts]: Start accepts. Automaton has 4305 states and 11109 transitions. Word has length 32 [2021-06-05 15:17:42,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:17:42,363 INFO L482 AbstractCegarLoop]: Abstraction has 4305 states and 11109 transitions. [2021-06-05 15:17:42,363 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 2.5714285714285716) internal successors, (54), 20 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:42,363 INFO L276 IsEmpty]: Start isEmpty. Operand 4305 states and 11109 transitions. [2021-06-05 15:17:42,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-06-05 15:17:42,366 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:17:42,367 INFO L521 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:17:42,576 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 55 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable172 [2021-06-05 15:17:42,576 INFO L430 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:17:42,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:17:42,576 INFO L82 PathProgramCache]: Analyzing trace with hash -1813615886, now seen corresponding path program 55 times [2021-06-05 15:17:42,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:17:42,576 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362456438] [2021-06-05 15:17:42,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:17:42,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:42,619 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 27 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:17:42,619 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:17:42,619 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362456438] [2021-06-05 15:17:42,619 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362456438] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:42,619 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1377849465] [2021-06-05 15:17:42,619 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:42,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:42,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-05 15:17:42,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:17:42,802 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 21 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:42,802 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1377849465] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:42,802 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:17:42,802 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 13] total 20 [2021-06-05 15:17:42,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519376867] [2021-06-05 15:17:42,803 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-05 15:17:42,803 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:17:42,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-05 15:17:42,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=343, Unknown=0, NotChecked=0, Total=420 [2021-06-05 15:17:42,803 INFO L87 Difference]: Start difference. First operand 4305 states and 11109 transitions. Second operand has 21 states, 21 states have (on average 2.6666666666666665) internal successors, (56), 20 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:43,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:17:43,505 INFO L93 Difference]: Finished difference Result 5836 states and 14714 transitions. [2021-06-05 15:17:43,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-05 15:17:43,505 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.6666666666666665) internal successors, (56), 20 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-06-05 15:17:43,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:17:43,510 INFO L225 Difference]: With dead ends: 5836 [2021-06-05 15:17:43,510 INFO L226 Difference]: Without dead ends: 5818 [2021-06-05 15:17:43,510 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 813 ImplicationChecksByTransitivity, 586.9ms TimeCoverageRelationStatistics Valid=721, Invalid=2249, Unknown=0, NotChecked=0, Total=2970 [2021-06-05 15:17:43,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5818 states. [2021-06-05 15:17:43,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5818 to 4428. [2021-06-05 15:17:43,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4428 states, 4427 states have (on average 2.5897899254574206) internal successors, (11465), 4427 states have internal predecessors, (11465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:43,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4428 states to 4428 states and 11465 transitions. [2021-06-05 15:17:43,567 INFO L78 Accepts]: Start accepts. Automaton has 4428 states and 11465 transitions. Word has length 32 [2021-06-05 15:17:43,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:17:43,567 INFO L482 AbstractCegarLoop]: Abstraction has 4428 states and 11465 transitions. [2021-06-05 15:17:43,567 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 2.6666666666666665) internal successors, (56), 20 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:43,567 INFO L276 IsEmpty]: Start isEmpty. Operand 4428 states and 11465 transitions. [2021-06-05 15:17:43,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-06-05 15:17:43,570 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:17:43,570 INFO L521 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:17:43,771 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable173,56 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:43,771 INFO L430 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:17:43,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:17:43,771 INFO L82 PathProgramCache]: Analyzing trace with hash -673820798, now seen corresponding path program 56 times [2021-06-05 15:17:43,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:17:43,771 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348212229] [2021-06-05 15:17:43,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:17:43,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:43,820 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:43,820 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:17:43,820 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348212229] [2021-06-05 15:17:43,820 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348212229] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:43,820 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [220098126] [2021-06-05 15:17:43,820 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:43,846 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 15:17:43,846 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:17:43,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-05 15:17:43,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:17:44,018 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:44,018 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [220098126] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:44,018 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:17:44,018 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13] total 21 [2021-06-05 15:17:44,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877955662] [2021-06-05 15:17:44,019 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-05 15:17:44,019 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:17:44,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-05 15:17:44,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=363, Unknown=0, NotChecked=0, Total=462 [2021-06-05 15:17:44,019 INFO L87 Difference]: Start difference. First operand 4428 states and 11465 transitions. Second operand has 22 states, 22 states have (on average 2.4545454545454546) internal successors, (54), 21 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:44,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:17:44,942 INFO L93 Difference]: Finished difference Result 5254 states and 13180 transitions. [2021-06-05 15:17:44,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-06-05 15:17:44,942 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 2.4545454545454546) internal successors, (54), 21 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-06-05 15:17:44,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:17:44,946 INFO L225 Difference]: With dead ends: 5254 [2021-06-05 15:17:44,946 INFO L226 Difference]: Without dead ends: 5238 [2021-06-05 15:17:44,947 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1414 ImplicationChecksByTransitivity, 805.5ms TimeCoverageRelationStatistics Valid=1130, Invalid=3562, Unknown=0, NotChecked=0, Total=4692 [2021-06-05 15:17:44,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5238 states. [2021-06-05 15:17:44,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5238 to 4516. [2021-06-05 15:17:44,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4516 states, 4515 states have (on average 2.5918050941306756) internal successors, (11702), 4515 states have internal predecessors, (11702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:44,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4516 states to 4516 states and 11702 transitions. [2021-06-05 15:17:44,992 INFO L78 Accepts]: Start accepts. Automaton has 4516 states and 11702 transitions. Word has length 32 [2021-06-05 15:17:44,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:17:44,992 INFO L482 AbstractCegarLoop]: Abstraction has 4516 states and 11702 transitions. [2021-06-05 15:17:44,992 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 2.4545454545454546) internal successors, (54), 21 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:44,992 INFO L276 IsEmpty]: Start isEmpty. Operand 4516 states and 11702 transitions. [2021-06-05 15:17:44,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-06-05 15:17:44,996 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:17:44,996 INFO L521 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:17:45,196 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable174,57 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:45,196 INFO L430 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:17:45,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:17:45,196 INFO L82 PathProgramCache]: Analyzing trace with hash 1175991294, now seen corresponding path program 57 times [2021-06-05 15:17:45,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:17:45,197 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084863287] [2021-06-05 15:17:45,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:17:45,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:45,250 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:45,250 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:17:45,250 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084863287] [2021-06-05 15:17:45,250 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084863287] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:45,250 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1349086705] [2021-06-05 15:17:45,250 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 58 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 58 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:45,282 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-06-05 15:17:45,282 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:17:45,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-05 15:17:45,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:17:45,450 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:45,450 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1349086705] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:45,450 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:17:45,450 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13] total 22 [2021-06-05 15:17:45,451 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393288494] [2021-06-05 15:17:45,451 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-05 15:17:45,451 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:17:45,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-05 15:17:45,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=405, Unknown=0, NotChecked=0, Total=506 [2021-06-05 15:17:45,451 INFO L87 Difference]: Start difference. First operand 4516 states and 11702 transitions. Second operand has 23 states, 23 states have (on average 2.347826086956522) internal successors, (54), 22 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:46,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:17:46,347 INFO L93 Difference]: Finished difference Result 5594 states and 13918 transitions. [2021-06-05 15:17:46,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-05 15:17:46,347 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.347826086956522) internal successors, (54), 22 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-06-05 15:17:46,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:17:46,352 INFO L225 Difference]: With dead ends: 5594 [2021-06-05 15:17:46,352 INFO L226 Difference]: Without dead ends: 5566 [2021-06-05 15:17:46,352 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1574 ImplicationChecksByTransitivity, 798.3ms TimeCoverageRelationStatistics Valid=1183, Invalid=3787, Unknown=0, NotChecked=0, Total=4970 [2021-06-05 15:17:46,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5566 states. [2021-06-05 15:17:46,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5566 to 4347. [2021-06-05 15:17:46,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4347 states, 4346 states have (on average 2.588587206626783) internal successors, (11250), 4346 states have internal predecessors, (11250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:46,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4347 states to 4347 states and 11250 transitions. [2021-06-05 15:17:46,395 INFO L78 Accepts]: Start accepts. Automaton has 4347 states and 11250 transitions. Word has length 32 [2021-06-05 15:17:46,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:17:46,395 INFO L482 AbstractCegarLoop]: Abstraction has 4347 states and 11250 transitions. [2021-06-05 15:17:46,395 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.347826086956522) internal successors, (54), 22 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:46,396 INFO L276 IsEmpty]: Start isEmpty. Operand 4347 states and 11250 transitions. [2021-06-05 15:17:46,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-06-05 15:17:46,399 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:17:46,399 INFO L521 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:17:46,599 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable175,58 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:46,599 INFO L430 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:17:46,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:17:46,600 INFO L82 PathProgramCache]: Analyzing trace with hash 728951162, now seen corresponding path program 58 times [2021-06-05 15:17:46,600 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:17:46,600 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528109935] [2021-06-05 15:17:46,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:17:46,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:46,676 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:46,676 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:17:46,676 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528109935] [2021-06-05 15:17:46,676 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528109935] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:46,676 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [222294896] [2021-06-05 15:17:46,676 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 59 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 59 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:46,702 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 15:17:46,702 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:17:46,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-05 15:17:46,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:17:46,908 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:46,908 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [222294896] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:46,908 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:17:46,908 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 23 [2021-06-05 15:17:46,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370583053] [2021-06-05 15:17:46,908 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-05 15:17:46,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:17:46,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-05 15:17:46,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=445, Unknown=0, NotChecked=0, Total=552 [2021-06-05 15:17:46,909 INFO L87 Difference]: Start difference. First operand 4347 states and 11250 transitions. Second operand has 24 states, 24 states have (on average 2.25) internal successors, (54), 23 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:47,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:17:47,819 INFO L93 Difference]: Finished difference Result 5720 states and 14080 transitions. [2021-06-05 15:17:47,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-05 15:17:47,820 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.25) internal successors, (54), 23 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-06-05 15:17:47,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:17:47,824 INFO L225 Difference]: With dead ends: 5720 [2021-06-05 15:17:47,824 INFO L226 Difference]: Without dead ends: 5686 [2021-06-05 15:17:47,825 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1700 ImplicationChecksByTransitivity, 834.5ms TimeCoverageRelationStatistics Valid=1246, Invalid=4010, Unknown=0, NotChecked=0, Total=5256 [2021-06-05 15:17:47,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5686 states. [2021-06-05 15:17:47,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5686 to 3872. [2021-06-05 15:17:47,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3872 states, 3871 states have (on average 2.579178506845776) internal successors, (9984), 3871 states have internal predecessors, (9984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:47,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3872 states to 3872 states and 9984 transitions. [2021-06-05 15:17:47,887 INFO L78 Accepts]: Start accepts. Automaton has 3872 states and 9984 transitions. Word has length 32 [2021-06-05 15:17:47,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:17:47,887 INFO L482 AbstractCegarLoop]: Abstraction has 3872 states and 9984 transitions. [2021-06-05 15:17:47,888 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.25) internal successors, (54), 23 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:47,888 INFO L276 IsEmpty]: Start isEmpty. Operand 3872 states and 9984 transitions. [2021-06-05 15:17:47,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-06-05 15:17:47,890 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:17:47,890 INFO L521 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:17:48,096 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable176 [2021-06-05 15:17:48,097 INFO L430 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:17:48,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:17:48,097 INFO L82 PathProgramCache]: Analyzing trace with hash -1717407562, now seen corresponding path program 59 times [2021-06-05 15:17:48,097 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:17:48,097 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114487782] [2021-06-05 15:17:48,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:17:48,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:48,171 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:17:48,171 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:17:48,171 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114487782] [2021-06-05 15:17:48,171 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114487782] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:48,171 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1237848301] [2021-06-05 15:17:48,171 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 60 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 60 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:48,204 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-05 15:17:48,204 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:17:48,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-05 15:17:48,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:17:48,384 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 12 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:48,384 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1237848301] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:48,385 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:17:48,385 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-06-05 15:17:48,385 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950060756] [2021-06-05 15:17:48,385 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-05 15:17:48,385 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:17:48,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-05 15:17:48,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=488, Unknown=0, NotChecked=0, Total=600 [2021-06-05 15:17:48,385 INFO L87 Difference]: Start difference. First operand 3872 states and 9984 transitions. Second operand has 25 states, 25 states have (on average 2.28) internal successors, (57), 24 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:49,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:17:49,335 INFO L93 Difference]: Finished difference Result 5197 states and 12616 transitions. [2021-06-05 15:17:49,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-05 15:17:49,336 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 2.28) internal successors, (57), 24 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-06-05 15:17:49,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:17:49,340 INFO L225 Difference]: With dead ends: 5197 [2021-06-05 15:17:49,340 INFO L226 Difference]: Without dead ends: 5197 [2021-06-05 15:17:49,340 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1355 ImplicationChecksByTransitivity, 849.7ms TimeCoverageRelationStatistics Valid=1262, Invalid=3708, Unknown=0, NotChecked=0, Total=4970 [2021-06-05 15:17:49,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5197 states. [2021-06-05 15:17:49,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5197 to 3402. [2021-06-05 15:17:49,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3402 states, 3401 states have (on average 2.5633637165539547) internal successors, (8718), 3401 states have internal predecessors, (8718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:49,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3402 states to 3402 states and 8718 transitions. [2021-06-05 15:17:49,374 INFO L78 Accepts]: Start accepts. Automaton has 3402 states and 8718 transitions. Word has length 32 [2021-06-05 15:17:49,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:17:49,374 INFO L482 AbstractCegarLoop]: Abstraction has 3402 states and 8718 transitions. [2021-06-05 15:17:49,374 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.28) internal successors, (57), 24 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:49,374 INFO L276 IsEmpty]: Start isEmpty. Operand 3402 states and 8718 transitions. [2021-06-05 15:17:49,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-06-05 15:17:49,376 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:17:49,376 INFO L521 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:17:49,584 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 60 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable177 [2021-06-05 15:17:49,584 INFO L430 AbstractCegarLoop]: === Iteration 65 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:17:49,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:17:49,589 INFO L82 PathProgramCache]: Analyzing trace with hash 1240500466, now seen corresponding path program 60 times [2021-06-05 15:17:49,589 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:17:49,589 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546431543] [2021-06-05 15:17:49,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:17:49,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:49,646 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:17:49,647 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:17:49,647 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546431543] [2021-06-05 15:17:49,647 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546431543] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:49,647 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1550882225] [2021-06-05 15:17:49,647 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 61 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 61 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:49,680 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-05 15:17:49,680 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:17:49,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-05 15:17:49,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:17:49,838 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:49,838 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1550882225] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:49,839 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:17:49,839 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 23 [2021-06-05 15:17:49,839 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055686815] [2021-06-05 15:17:49,839 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-05 15:17:49,839 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:17:49,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-05 15:17:49,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=453, Unknown=0, NotChecked=0, Total=552 [2021-06-05 15:17:49,839 INFO L87 Difference]: Start difference. First operand 3402 states and 8718 transitions. Second operand has 24 states, 24 states have (on average 2.2916666666666665) internal successors, (55), 23 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:50,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:17:50,809 INFO L93 Difference]: Finished difference Result 4252 states and 10318 transitions. [2021-06-05 15:17:50,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-06-05 15:17:50,812 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.2916666666666665) internal successors, (55), 23 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-06-05 15:17:50,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:17:50,816 INFO L225 Difference]: With dead ends: 4252 [2021-06-05 15:17:50,816 INFO L226 Difference]: Without dead ends: 4186 [2021-06-05 15:17:50,816 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1720 ImplicationChecksByTransitivity, 854.0ms TimeCoverageRelationStatistics Valid=1147, Invalid=4109, Unknown=0, NotChecked=0, Total=5256 [2021-06-05 15:17:50,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4186 states. [2021-06-05 15:17:50,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4186 to 3264. [2021-06-05 15:17:50,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3264 states, 3263 states have (on average 2.5485749310450507) internal successors, (8316), 3263 states have internal predecessors, (8316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:50,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3264 states to 3264 states and 8316 transitions. [2021-06-05 15:17:50,852 INFO L78 Accepts]: Start accepts. Automaton has 3264 states and 8316 transitions. Word has length 32 [2021-06-05 15:17:50,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:17:50,852 INFO L482 AbstractCegarLoop]: Abstraction has 3264 states and 8316 transitions. [2021-06-05 15:17:50,852 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.2916666666666665) internal successors, (55), 23 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:50,852 INFO L276 IsEmpty]: Start isEmpty. Operand 3264 states and 8316 transitions. [2021-06-05 15:17:50,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-06-05 15:17:50,854 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:17:50,854 INFO L521 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:17:51,054 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 61 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable178 [2021-06-05 15:17:51,054 INFO L430 AbstractCegarLoop]: === Iteration 66 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:17:51,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:17:51,054 INFO L82 PathProgramCache]: Analyzing trace with hash 1425607606, now seen corresponding path program 61 times [2021-06-05 15:17:51,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:17:51,055 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112072793] [2021-06-05 15:17:51,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:17:51,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:51,120 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 26 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:17:51,120 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:17:51,120 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112072793] [2021-06-05 15:17:51,121 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112072793] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:51,121 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1120042327] [2021-06-05 15:17:51,121 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 62 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 62 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:51,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:51,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-05 15:17:51,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:17:51,331 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 12 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:51,332 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1120042327] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:51,332 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:17:51,332 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 23 [2021-06-05 15:17:51,332 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180896669] [2021-06-05 15:17:51,332 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-05 15:17:51,332 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:17:51,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-05 15:17:51,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=452, Unknown=0, NotChecked=0, Total=552 [2021-06-05 15:17:51,332 INFO L87 Difference]: Start difference. First operand 3264 states and 8316 transitions. Second operand has 24 states, 24 states have (on average 2.375) internal successors, (57), 23 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:52,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:17:52,359 INFO L93 Difference]: Finished difference Result 4881 states and 11710 transitions. [2021-06-05 15:17:52,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-05 15:17:52,360 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.375) internal successors, (57), 23 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-06-05 15:17:52,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:17:52,364 INFO L225 Difference]: With dead ends: 4881 [2021-06-05 15:17:52,364 INFO L226 Difference]: Without dead ends: 4881 [2021-06-05 15:17:52,364 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1700 ImplicationChecksByTransitivity, 920.0ms TimeCoverageRelationStatistics Valid=1473, Invalid=4077, Unknown=0, NotChecked=0, Total=5550 [2021-06-05 15:17:52,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4881 states. [2021-06-05 15:17:52,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4881 to 2860. [2021-06-05 15:17:52,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2860 states, 2859 states have (on average 2.5183630640083945) internal successors, (7200), 2859 states have internal predecessors, (7200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:52,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2860 states to 2860 states and 7200 transitions. [2021-06-05 15:17:52,396 INFO L78 Accepts]: Start accepts. Automaton has 2860 states and 7200 transitions. Word has length 32 [2021-06-05 15:17:52,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:17:52,396 INFO L482 AbstractCegarLoop]: Abstraction has 2860 states and 7200 transitions. [2021-06-05 15:17:52,396 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.375) internal successors, (57), 23 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:52,396 INFO L276 IsEmpty]: Start isEmpty. Operand 2860 states and 7200 transitions. [2021-06-05 15:17:52,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-06-05 15:17:52,398 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:17:52,398 INFO L521 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:17:52,598 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 62 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable179 [2021-06-05 15:17:52,599 INFO L430 AbstractCegarLoop]: === Iteration 67 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:17:52,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:17:52,599 INFO L82 PathProgramCache]: Analyzing trace with hash 1428685554, now seen corresponding path program 62 times [2021-06-05 15:17:52,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:17:52,599 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283505114] [2021-06-05 15:17:52,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:17:52,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:52,689 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 24 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:17:52,689 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:17:52,689 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283505114] [2021-06-05 15:17:52,690 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283505114] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:52,690 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2067465617] [2021-06-05 15:17:52,690 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 63 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 63 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:52,712 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 15:17:52,712 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:17:52,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-05 15:17:52,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:17:52,873 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:52,873 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2067465617] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:52,873 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:17:52,873 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13] total 22 [2021-06-05 15:17:52,873 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668893485] [2021-06-05 15:17:52,874 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-05 15:17:52,874 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:17:52,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-05 15:17:52,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=412, Unknown=0, NotChecked=0, Total=506 [2021-06-05 15:17:52,874 INFO L87 Difference]: Start difference. First operand 2860 states and 7200 transitions. Second operand has 23 states, 23 states have (on average 2.391304347826087) internal successors, (55), 22 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:53,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:17:53,692 INFO L93 Difference]: Finished difference Result 3661 states and 8825 transitions. [2021-06-05 15:17:53,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-05 15:17:53,692 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.391304347826087) internal successors, (55), 22 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-06-05 15:17:53,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:17:53,696 INFO L225 Difference]: With dead ends: 3661 [2021-06-05 15:17:53,696 INFO L226 Difference]: Without dead ends: 3622 [2021-06-05 15:17:53,696 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1460 ImplicationChecksByTransitivity, 765.0ms TimeCoverageRelationStatistics Valid=968, Invalid=3454, Unknown=0, NotChecked=0, Total=4422 [2021-06-05 15:17:53,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3622 states. [2021-06-05 15:17:53,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3622 to 2809. [2021-06-05 15:17:53,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2809 states, 2808 states have (on average 2.508190883190883) internal successors, (7043), 2808 states have internal predecessors, (7043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:53,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2809 states to 2809 states and 7043 transitions. [2021-06-05 15:17:53,734 INFO L78 Accepts]: Start accepts. Automaton has 2809 states and 7043 transitions. Word has length 32 [2021-06-05 15:17:53,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:17:53,734 INFO L482 AbstractCegarLoop]: Abstraction has 2809 states and 7043 transitions. [2021-06-05 15:17:53,734 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.391304347826087) internal successors, (55), 22 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:53,734 INFO L276 IsEmpty]: Start isEmpty. Operand 2809 states and 7043 transitions. [2021-06-05 15:17:53,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-06-05 15:17:53,736 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:17:53,736 INFO L521 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:17:53,936 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable180,63 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:53,936 INFO L430 AbstractCegarLoop]: === Iteration 68 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:17:53,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:17:53,937 INFO L82 PathProgramCache]: Analyzing trace with hash -1690671434, now seen corresponding path program 63 times [2021-06-05 15:17:53,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:17:53,937 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671434996] [2021-06-05 15:17:53,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:17:53,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:53,995 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 13 proven. 27 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:17:53,996 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:17:53,996 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671434996] [2021-06-05 15:17:53,996 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671434996] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:53,996 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1115200078] [2021-06-05 15:17:53,996 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 64 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 64 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:54,023 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-06-05 15:17:54,024 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:17:54,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-05 15:17:54,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:17:54,188 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 12 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:54,189 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1115200078] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:54,189 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:17:54,189 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13] total 22 [2021-06-05 15:17:54,189 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023567449] [2021-06-05 15:17:54,189 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-05 15:17:54,189 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:17:54,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-05 15:17:54,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=414, Unknown=0, NotChecked=0, Total=506 [2021-06-05 15:17:54,189 INFO L87 Difference]: Start difference. First operand 2809 states and 7043 transitions. Second operand has 23 states, 23 states have (on average 2.4782608695652173) internal successors, (57), 22 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:55,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:17:55,321 INFO L93 Difference]: Finished difference Result 4911 states and 11694 transitions. [2021-06-05 15:17:55,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-05 15:17:55,322 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.4782608695652173) internal successors, (57), 22 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-06-05 15:17:55,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:17:55,325 INFO L225 Difference]: With dead ends: 4911 [2021-06-05 15:17:55,325 INFO L226 Difference]: Without dead ends: 4911 [2021-06-05 15:17:55,326 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2155 ImplicationChecksByTransitivity, 994.8ms TimeCoverageRelationStatistics Valid=1768, Invalid=4552, Unknown=0, NotChecked=0, Total=6320 [2021-06-05 15:17:55,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4911 states. [2021-06-05 15:17:55,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4911 to 3307. [2021-06-05 15:17:55,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3307 states, 3306 states have (on average 2.481246218995765) internal successors, (8203), 3306 states have internal predecessors, (8203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:55,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3307 states to 3307 states and 8203 transitions. [2021-06-05 15:17:55,362 INFO L78 Accepts]: Start accepts. Automaton has 3307 states and 8203 transitions. Word has length 32 [2021-06-05 15:17:55,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:17:55,362 INFO L482 AbstractCegarLoop]: Abstraction has 3307 states and 8203 transitions. [2021-06-05 15:17:55,362 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.4782608695652173) internal successors, (57), 22 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:55,364 INFO L276 IsEmpty]: Start isEmpty. Operand 3307 states and 8203 transitions. [2021-06-05 15:17:55,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-06-05 15:17:55,366 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:17:55,366 INFO L521 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:17:55,567 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable181,64 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:55,567 INFO L430 AbstractCegarLoop]: === Iteration 69 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:17:55,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:17:55,567 INFO L82 PathProgramCache]: Analyzing trace with hash -604635918, now seen corresponding path program 64 times [2021-06-05 15:17:55,567 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:17:55,567 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825213237] [2021-06-05 15:17:55,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:17:55,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:55,634 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:17:55,634 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:17:55,634 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825213237] [2021-06-05 15:17:55,634 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825213237] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:55,634 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [586680318] [2021-06-05 15:17:55,634 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 65 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 65 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:55,656 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 15:17:55,656 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:17:55,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-05 15:17:55,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:17:55,814 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:55,814 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [586680318] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:55,814 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:17:55,815 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13] total 21 [2021-06-05 15:17:55,815 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439896095] [2021-06-05 15:17:55,815 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-05 15:17:55,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:17:55,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-05 15:17:55,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=369, Unknown=0, NotChecked=0, Total=462 [2021-06-05 15:17:55,815 INFO L87 Difference]: Start difference. First operand 3307 states and 8203 transitions. Second operand has 22 states, 22 states have (on average 2.5) internal successors, (55), 21 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:56,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:17:56,615 INFO L93 Difference]: Finished difference Result 3840 states and 9263 transitions. [2021-06-05 15:17:56,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-06-05 15:17:56,615 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 2.5) internal successors, (55), 21 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-06-05 15:17:56,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:17:56,618 INFO L225 Difference]: With dead ends: 3840 [2021-06-05 15:17:56,618 INFO L226 Difference]: Without dead ends: 3822 [2021-06-05 15:17:56,619 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1269 ImplicationChecksByTransitivity, 694.5ms TimeCoverageRelationStatistics Valid=879, Invalid=3027, Unknown=0, NotChecked=0, Total=3906 [2021-06-05 15:17:56,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3822 states. [2021-06-05 15:17:56,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3822 to 3381. [2021-06-05 15:17:56,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3381 states, 3380 states have (on average 2.486094674556213) internal successors, (8403), 3380 states have internal predecessors, (8403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:56,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3381 states to 3381 states and 8403 transitions. [2021-06-05 15:17:56,652 INFO L78 Accepts]: Start accepts. Automaton has 3381 states and 8403 transitions. Word has length 32 [2021-06-05 15:17:56,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:17:56,652 INFO L482 AbstractCegarLoop]: Abstraction has 3381 states and 8403 transitions. [2021-06-05 15:17:56,652 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 2.5) internal successors, (55), 21 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:56,652 INFO L276 IsEmpty]: Start isEmpty. Operand 3381 states and 8403 transitions. [2021-06-05 15:17:56,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-06-05 15:17:56,654 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:17:56,654 INFO L521 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:17:56,854 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable182,65 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:56,854 INFO L430 AbstractCegarLoop]: === Iteration 70 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:17:56,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:17:56,855 INFO L82 PathProgramCache]: Analyzing trace with hash -1474920010, now seen corresponding path program 65 times [2021-06-05 15:17:56,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:17:56,855 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049245645] [2021-06-05 15:17:56,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:17:56,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:56,907 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 12 proven. 28 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:17:56,908 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:17:56,908 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049245645] [2021-06-05 15:17:56,908 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049245645] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:56,908 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [879533126] [2021-06-05 15:17:56,908 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 [2021-06-05 15:17:56,931 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-05 15:17:56,932 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:17:56,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-05 15:17:56,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:17:57,088 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 12 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:57,088 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [879533126] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:57,089 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:17:57,089 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13] total 21 [2021-06-05 15:17:57,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37653880] [2021-06-05 15:17:57,089 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-05 15:17:57,089 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:17:57,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-05 15:17:57,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=374, Unknown=0, NotChecked=0, Total=462 [2021-06-05 15:17:57,089 INFO L87 Difference]: Start difference. First operand 3381 states and 8403 transitions. Second operand has 22 states, 22 states have (on average 2.6363636363636362) internal successors, (58), 21 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:58,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:17:58,247 INFO L93 Difference]: Finished difference Result 6180 states and 15068 transitions. [2021-06-05 15:17:58,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-06-05 15:17:58,247 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 2.6363636363636362) internal successors, (58), 21 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-06-05 15:17:58,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:17:58,252 INFO L225 Difference]: With dead ends: 6180 [2021-06-05 15:17:58,252 INFO L226 Difference]: Without dead ends: 6180 [2021-06-05 15:17:58,253 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2540 ImplicationChecksByTransitivity, 1030.5ms TimeCoverageRelationStatistics Valid=2010, Invalid=4962, Unknown=0, NotChecked=0, Total=6972 [2021-06-05 15:17:58,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6180 states. [2021-06-05 15:17:58,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6180 to 5144. [2021-06-05 15:17:58,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5144 states, 5143 states have (on average 2.52109663620455) internal successors, (12966), 5143 states have internal predecessors, (12966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:58,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5144 states to 5144 states and 12966 transitions. [2021-06-05 15:17:58,308 INFO L78 Accepts]: Start accepts. Automaton has 5144 states and 12966 transitions. Word has length 32 [2021-06-05 15:17:58,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:17:58,309 INFO L482 AbstractCegarLoop]: Abstraction has 5144 states and 12966 transitions. [2021-06-05 15:17:58,309 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 2.6363636363636362) internal successors, (58), 21 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:58,309 INFO L276 IsEmpty]: Start isEmpty. Operand 5144 states and 12966 transitions. [2021-06-05 15:17:58,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-06-05 15:17:58,312 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:17:58,312 INFO L521 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:17:58,512 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 66 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable183 [2021-06-05 15:17:58,512 INFO L430 AbstractCegarLoop]: === Iteration 71 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:17:58,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:17:58,512 INFO L82 PathProgramCache]: Analyzing trace with hash 874026652, now seen corresponding path program 66 times [2021-06-05 15:17:58,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:17:58,512 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271168315] [2021-06-05 15:17:58,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:17:58,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:58,577 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 21 proven. 19 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:17:58,577 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:17:58,577 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271168315] [2021-06-05 15:17:58,577 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271168315] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:58,577 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [601985818] [2021-06-05 15:17:58,577 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 67 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 67 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:58,600 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-06-05 15:17:58,600 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:17:58,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-05 15:17:58,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:17:58,754 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:17:58,754 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [601985818] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:58,754 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:17:58,754 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 13] total 20 [2021-06-05 15:17:58,754 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654468594] [2021-06-05 15:17:58,754 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-05 15:17:58,754 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:17:58,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-05 15:17:58,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=334, Unknown=0, NotChecked=0, Total=420 [2021-06-05 15:17:58,755 INFO L87 Difference]: Start difference. First operand 5144 states and 12966 transitions. Second operand has 21 states, 21 states have (on average 2.5714285714285716) internal successors, (54), 20 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:59,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:17:59,534 INFO L93 Difference]: Finished difference Result 6009 states and 14677 transitions. [2021-06-05 15:17:59,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-05 15:17:59,534 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.5714285714285716) internal successors, (54), 20 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-06-05 15:17:59,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:17:59,539 INFO L225 Difference]: With dead ends: 6009 [2021-06-05 15:17:59,539 INFO L226 Difference]: Without dead ends: 6005 [2021-06-05 15:17:59,540 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1206 ImplicationChecksByTransitivity, 677.4ms TimeCoverageRelationStatistics Valid=1087, Invalid=2819, Unknown=0, NotChecked=0, Total=3906 [2021-06-05 15:17:59,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6005 states. [2021-06-05 15:17:59,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6005 to 5062. [2021-06-05 15:17:59,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5062 states, 5061 states have (on average 2.517091483896463) internal successors, (12739), 5061 states have internal predecessors, (12739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:59,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5062 states to 5062 states and 12739 transitions. [2021-06-05 15:17:59,607 INFO L78 Accepts]: Start accepts. Automaton has 5062 states and 12739 transitions. Word has length 32 [2021-06-05 15:17:59,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:17:59,608 INFO L482 AbstractCegarLoop]: Abstraction has 5062 states and 12739 transitions. [2021-06-05 15:17:59,608 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 2.5714285714285716) internal successors, (54), 20 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:17:59,608 INFO L276 IsEmpty]: Start isEmpty. Operand 5062 states and 12739 transitions. [2021-06-05 15:17:59,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-06-05 15:17:59,610 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:17:59,610 INFO L521 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:17:59,812 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable184,67 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:59,813 INFO L430 AbstractCegarLoop]: === Iteration 72 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:17:59,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:17:59,813 INFO L82 PathProgramCache]: Analyzing trace with hash 367680386, now seen corresponding path program 67 times [2021-06-05 15:17:59,813 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:17:59,813 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025695996] [2021-06-05 15:17:59,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:17:59,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:59,863 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:17:59,864 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:17:59,864 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025695996] [2021-06-05 15:17:59,864 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025695996] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:17:59,864 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1079887619] [2021-06-05 15:17:59,864 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 68 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 68 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:17:59,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:17:59,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-05 15:17:59,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:18:00,046 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:18:00,046 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1079887619] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:00,046 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:18:00,046 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13] total 21 [2021-06-05 15:18:00,046 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306967308] [2021-06-05 15:18:00,046 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-05 15:18:00,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:18:00,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-05 15:18:00,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=375, Unknown=0, NotChecked=0, Total=462 [2021-06-05 15:18:00,047 INFO L87 Difference]: Start difference. First operand 5062 states and 12739 transitions. Second operand has 22 states, 22 states have (on average 2.4545454545454546) internal successors, (54), 21 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:00,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:18:00,796 INFO L93 Difference]: Finished difference Result 6244 states and 15277 transitions. [2021-06-05 15:18:00,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-05 15:18:00,796 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 2.4545454545454546) internal successors, (54), 21 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-06-05 15:18:00,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:18:00,801 INFO L225 Difference]: With dead ends: 6244 [2021-06-05 15:18:00,801 INFO L226 Difference]: Without dead ends: 6232 [2021-06-05 15:18:00,801 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1197 ImplicationChecksByTransitivity, 661.3ms TimeCoverageRelationStatistics Valid=1011, Invalid=2895, Unknown=0, NotChecked=0, Total=3906 [2021-06-05 15:18:00,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6232 states. [2021-06-05 15:18:00,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6232 to 5108. [2021-06-05 15:18:00,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5108 states, 5107 states have (on average 2.522811826904249) internal successors, (12884), 5107 states have internal predecessors, (12884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:00,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5108 states to 5108 states and 12884 transitions. [2021-06-05 15:18:00,856 INFO L78 Accepts]: Start accepts. Automaton has 5108 states and 12884 transitions. Word has length 32 [2021-06-05 15:18:00,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:18:00,856 INFO L482 AbstractCegarLoop]: Abstraction has 5108 states and 12884 transitions. [2021-06-05 15:18:00,856 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 2.4545454545454546) internal successors, (54), 21 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:00,856 INFO L276 IsEmpty]: Start isEmpty. Operand 5108 states and 12884 transitions. [2021-06-05 15:18:00,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-06-05 15:18:00,859 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:18:00,859 INFO L521 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:18:01,059 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable185,68 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:18:01,059 INFO L430 AbstractCegarLoop]: === Iteration 73 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:18:01,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:18:01,059 INFO L82 PathProgramCache]: Analyzing trace with hash 140459006, now seen corresponding path program 68 times [2021-06-05 15:18:01,060 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:18:01,060 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390078601] [2021-06-05 15:18:01,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:18:01,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:18:01,127 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 26 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:18:01,127 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:18:01,127 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390078601] [2021-06-05 15:18:01,127 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390078601] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:01,127 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2130255401] [2021-06-05 15:18:01,127 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 69 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 69 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:18:01,152 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 15:18:01,152 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:18:01,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-05 15:18:01,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:18:01,311 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 13 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:18:01,312 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2130255401] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:01,312 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:18:01,312 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13] total 22 [2021-06-05 15:18:01,312 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269188701] [2021-06-05 15:18:01,312 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-05 15:18:01,312 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:18:01,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-05 15:18:01,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=413, Unknown=0, NotChecked=0, Total=506 [2021-06-05 15:18:01,312 INFO L87 Difference]: Start difference. First operand 5108 states and 12884 transitions. Second operand has 23 states, 23 states have (on average 2.347826086956522) internal successors, (54), 22 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:02,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:18:02,081 INFO L93 Difference]: Finished difference Result 6722 states and 16413 transitions. [2021-06-05 15:18:02,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-05 15:18:02,081 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.347826086956522) internal successors, (54), 22 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-06-05 15:18:02,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:18:02,086 INFO L225 Difference]: With dead ends: 6722 [2021-06-05 15:18:02,086 INFO L226 Difference]: Without dead ends: 6702 [2021-06-05 15:18:02,087 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1272 ImplicationChecksByTransitivity, 707.9ms TimeCoverageRelationStatistics Valid=1025, Invalid=3135, Unknown=0, NotChecked=0, Total=4160 [2021-06-05 15:18:02,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6702 states. [2021-06-05 15:18:02,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6702 to 5738. [2021-06-05 15:18:02,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5738 states, 5737 states have (on average 2.5281506013595956) internal successors, (14504), 5737 states have internal predecessors, (14504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:02,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5738 states to 5738 states and 14504 transitions. [2021-06-05 15:18:02,148 INFO L78 Accepts]: Start accepts. Automaton has 5738 states and 14504 transitions. Word has length 32 [2021-06-05 15:18:02,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:18:02,149 INFO L482 AbstractCegarLoop]: Abstraction has 5738 states and 14504 transitions. [2021-06-05 15:18:02,149 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.347826086956522) internal successors, (54), 22 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:02,149 INFO L276 IsEmpty]: Start isEmpty. Operand 5738 states and 14504 transitions. [2021-06-05 15:18:02,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-06-05 15:18:02,152 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:18:02,152 INFO L521 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:18:02,352 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable186,69 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:18:02,352 INFO L430 AbstractCegarLoop]: === Iteration 74 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:18:02,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:18:02,353 INFO L82 PathProgramCache]: Analyzing trace with hash 824044922, now seen corresponding path program 69 times [2021-06-05 15:18:02,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:18:02,353 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37775687] [2021-06-05 15:18:02,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:18:02,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:18:02,416 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:18:02,416 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:18:02,416 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37775687] [2021-06-05 15:18:02,416 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37775687] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:02,416 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1804972776] [2021-06-05 15:18:02,416 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 70 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 70 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:18:02,441 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-06-05 15:18:02,441 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:18:02,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-05 15:18:02,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:18:02,605 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:18:02,606 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1804972776] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:02,606 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:18:02,606 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 23 [2021-06-05 15:18:02,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209321695] [2021-06-05 15:18:02,606 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-05 15:18:02,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:18:02,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-05 15:18:02,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=449, Unknown=0, NotChecked=0, Total=552 [2021-06-05 15:18:02,606 INFO L87 Difference]: Start difference. First operand 5738 states and 14504 transitions. Second operand has 24 states, 24 states have (on average 2.25) internal successors, (54), 23 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:03,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:18:03,475 INFO L93 Difference]: Finished difference Result 7634 states and 18636 transitions. [2021-06-05 15:18:03,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-05 15:18:03,475 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.25) internal successors, (54), 23 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-06-05 15:18:03,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:18:03,481 INFO L225 Difference]: With dead ends: 7634 [2021-06-05 15:18:03,481 INFO L226 Difference]: Without dead ends: 7606 [2021-06-05 15:18:03,482 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1454 ImplicationChecksByTransitivity, 789.6ms TimeCoverageRelationStatistics Valid=1128, Invalid=3564, Unknown=0, NotChecked=0, Total=4692 [2021-06-05 15:18:03,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7606 states. [2021-06-05 15:18:03,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7606 to 6549. [2021-06-05 15:18:03,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6549 states, 6548 states have (on average 2.5284056200366525) internal successors, (16556), 6548 states have internal predecessors, (16556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:03,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6549 states to 6549 states and 16556 transitions. [2021-06-05 15:18:03,560 INFO L78 Accepts]: Start accepts. Automaton has 6549 states and 16556 transitions. Word has length 32 [2021-06-05 15:18:03,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:18:03,560 INFO L482 AbstractCegarLoop]: Abstraction has 6549 states and 16556 transitions. [2021-06-05 15:18:03,560 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.25) internal successors, (54), 23 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:03,560 INFO L276 IsEmpty]: Start isEmpty. Operand 6549 states and 16556 transitions. [2021-06-05 15:18:03,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-06-05 15:18:03,564 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:18:03,564 INFO L521 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:18:03,768 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187,70 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:18:03,769 INFO L430 AbstractCegarLoop]: === Iteration 75 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:18:03,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:18:03,769 INFO L82 PathProgramCache]: Analyzing trace with hash 620113910, now seen corresponding path program 70 times [2021-06-05 15:18:03,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:18:03,769 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409011012] [2021-06-05 15:18:03,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:18:03,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:18:03,841 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 21 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:18:03,841 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:18:03,841 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409011012] [2021-06-05 15:18:03,841 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409011012] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:03,841 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2087639666] [2021-06-05 15:18:03,841 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 71 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 71 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:18:03,864 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 15:18:03,865 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:18:03,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-05 15:18:03,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:18:04,062 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 21 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:18:04,062 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2087639666] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:04,062 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:18:04,062 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-06-05 15:18:04,062 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902181232] [2021-06-05 15:18:04,062 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-05 15:18:04,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:18:04,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-05 15:18:04,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=483, Unknown=0, NotChecked=0, Total=600 [2021-06-05 15:18:04,063 INFO L87 Difference]: Start difference. First operand 6549 states and 16556 transitions. Second operand has 25 states, 25 states have (on average 2.16) internal successors, (54), 24 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:05,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:18:05,004 INFO L93 Difference]: Finished difference Result 7611 states and 18726 transitions. [2021-06-05 15:18:05,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-05 15:18:05,005 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 2.16) internal successors, (54), 24 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-06-05 15:18:05,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:18:05,013 INFO L225 Difference]: With dead ends: 7611 [2021-06-05 15:18:05,013 INFO L226 Difference]: Without dead ends: 7575 [2021-06-05 15:18:05,014 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1782 ImplicationChecksByTransitivity, 899.4ms TimeCoverageRelationStatistics Valid=1318, Invalid=4232, Unknown=0, NotChecked=0, Total=5550 [2021-06-05 15:18:05,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7575 states. [2021-06-05 15:18:05,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7575 to 6635. [2021-06-05 15:18:05,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6635 states, 6634 states have (on average 2.537232438950859) internal successors, (16832), 6634 states have internal predecessors, (16832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:05,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6635 states to 6635 states and 16832 transitions. [2021-06-05 15:18:05,102 INFO L78 Accepts]: Start accepts. Automaton has 6635 states and 16832 transitions. Word has length 32 [2021-06-05 15:18:05,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:18:05,102 INFO L482 AbstractCegarLoop]: Abstraction has 6635 states and 16832 transitions. [2021-06-05 15:18:05,102 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.16) internal successors, (54), 24 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:05,102 INFO L276 IsEmpty]: Start isEmpty. Operand 6635 states and 16832 transitions. [2021-06-05 15:18:05,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-06-05 15:18:05,106 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:18:05,106 INFO L521 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:18:05,306 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 71 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable188 [2021-06-05 15:18:05,307 INFO L430 AbstractCegarLoop]: === Iteration 76 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:18:05,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:18:05,307 INFO L82 PathProgramCache]: Analyzing trace with hash -617394444, now seen corresponding path program 71 times [2021-06-05 15:18:05,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:18:05,307 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929570358] [2021-06-05 15:18:05,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:18:05,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:18:05,341 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:18:05,341 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:18:05,341 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929570358] [2021-06-05 15:18:05,341 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929570358] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:05,341 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1497083959] [2021-06-05 15:18:05,341 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 72 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 72 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:18:05,367 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-05 15:18:05,368 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:18:05,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 37 conjunts are in the unsatisfiable core [2021-06-05 15:18:05,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:18:05,518 INFO L354 Elim1Store]: treesize reduction 72, result has 40.5 percent of original size [2021-06-05 15:18:05,518 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 124 treesize of output 105 [2021-06-05 15:18:05,691 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:18:05,712 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:18:05,812 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:18:05,812 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:124, output treesize:169 [2021-06-05 15:18:05,974 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-06-05 15:18:06,278 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-06-05 15:18:06,608 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 38 [2021-06-05 15:18:06,835 INFO L354 Elim1Store]: treesize reduction 48, result has 40.7 percent of original size [2021-06-05 15:18:06,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 93 treesize of output 75 [2021-06-05 15:18:06,837 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:18:06,845 INFO L628 ElimStorePlain]: treesize reduction 393, result has 0.8 percent of original size [2021-06-05 15:18:06,845 INFO L518 ElimStorePlain]: Eliminatee f_inv vanished before elimination [2021-06-05 15:18:06,845 INFO L518 ElimStorePlain]: Eliminatee v_prenex_53 vanished before elimination [2021-06-05 15:18:06,845 INFO L518 ElimStorePlain]: Eliminatee v_prenex_52 vanished before elimination [2021-06-05 15:18:06,845 INFO L518 ElimStorePlain]: Eliminatee v_prenex_51 vanished before elimination [2021-06-05 15:18:06,845 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:18:06,846 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 10 variables, input treesize:486, output treesize:3 [2021-06-05 15:18:06,850 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:18:06,850 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1497083959] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:06,850 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:18:06,850 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12] total 17 [2021-06-05 15:18:06,851 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242007735] [2021-06-05 15:18:06,851 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-05 15:18:06,851 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:18:06,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-05 15:18:06,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2021-06-05 15:18:06,851 INFO L87 Difference]: Start difference. First operand 6635 states and 16832 transitions. Second operand has 17 states, 17 states have (on average 3.2941176470588234) internal successors, (56), 17 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:07,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:18:07,123 INFO L93 Difference]: Finished difference Result 7761 states and 19541 transitions. [2021-06-05 15:18:07,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-05 15:18:07,124 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.2941176470588234) internal successors, (56), 17 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-06-05 15:18:07,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:18:07,129 INFO L225 Difference]: With dead ends: 7761 [2021-06-05 15:18:07,130 INFO L226 Difference]: Without dead ends: 7754 [2021-06-05 15:18:07,130 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 29 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 753.5ms TimeCoverageRelationStatistics Valid=56, Invalid=324, Unknown=0, NotChecked=0, Total=380 [2021-06-05 15:18:07,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7754 states. [2021-06-05 15:18:07,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7754 to 7360. [2021-06-05 15:18:07,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7360 states, 7359 states have (on average 2.545726321511075) internal successors, (18734), 7359 states have internal predecessors, (18734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:07,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7360 states to 7360 states and 18734 transitions. [2021-06-05 15:18:07,211 INFO L78 Accepts]: Start accepts. Automaton has 7360 states and 18734 transitions. Word has length 34 [2021-06-05 15:18:07,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:18:07,211 INFO L482 AbstractCegarLoop]: Abstraction has 7360 states and 18734 transitions. [2021-06-05 15:18:07,211 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 3.2941176470588234) internal successors, (56), 17 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:07,211 INFO L276 IsEmpty]: Start isEmpty. Operand 7360 states and 18734 transitions. [2021-06-05 15:18:07,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-06-05 15:18:07,215 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:18:07,216 INFO L521 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:18:07,425 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 72 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable189 [2021-06-05 15:18:07,425 INFO L430 AbstractCegarLoop]: === Iteration 77 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:18:07,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:18:07,425 INFO L82 PathProgramCache]: Analyzing trace with hash -100122124, now seen corresponding path program 72 times [2021-06-05 15:18:07,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:18:07,425 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135597738] [2021-06-05 15:18:07,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:18:07,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:18:07,455 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 15:18:07,455 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:18:07,455 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135597738] [2021-06-05 15:18:07,456 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135597738] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:07,456 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2116377450] [2021-06-05 15:18:07,456 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 73 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 73 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:18:07,482 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-05 15:18:07,482 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:18:07,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 37 conjunts are in the unsatisfiable core [2021-06-05 15:18:07,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:18:07,642 INFO L446 ElimStorePlain]: Different costs {10=[f], 36=[f_inv]} [2021-06-05 15:18:07,678 INFO L354 Elim1Store]: treesize reduction 32, result has 60.5 percent of original size [2021-06-05 15:18:07,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 158 treesize of output 120 [2021-06-05 15:18:07,980 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:18:07,999 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:18:08,030 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:18:08,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 187 treesize of output 147 [2021-06-05 15:18:08,151 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:18:08,152 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:18:08,152 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:18:08,152 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:158, output treesize:3 [2021-06-05 15:18:08,160 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:18:08,160 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2116377450] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:08,160 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:18:08,160 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12] total 17 [2021-06-05 15:18:08,160 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607569496] [2021-06-05 15:18:08,160 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-05 15:18:08,160 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:18:08,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-05 15:18:08,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2021-06-05 15:18:08,160 INFO L87 Difference]: Start difference. First operand 7360 states and 18734 transitions. Second operand has 17 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 17 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:08,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:18:08,293 INFO L93 Difference]: Finished difference Result 8008 states and 20271 transitions. [2021-06-05 15:18:08,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-05 15:18:08,293 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 17 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-06-05 15:18:08,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:18:08,299 INFO L225 Difference]: With dead ends: 8008 [2021-06-05 15:18:08,299 INFO L226 Difference]: Without dead ends: 7999 [2021-06-05 15:18:08,300 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 140.0ms TimeCoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2021-06-05 15:18:08,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7999 states. [2021-06-05 15:18:08,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7999 to 7776. [2021-06-05 15:18:08,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7776 states, 7775 states have (on average 2.5569131832797427) internal successors, (19880), 7775 states have internal predecessors, (19880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:08,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7776 states to 7776 states and 19880 transitions. [2021-06-05 15:18:08,391 INFO L78 Accepts]: Start accepts. Automaton has 7776 states and 19880 transitions. Word has length 34 [2021-06-05 15:18:08,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:18:08,391 INFO L482 AbstractCegarLoop]: Abstraction has 7776 states and 19880 transitions. [2021-06-05 15:18:08,391 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 17 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:08,391 INFO L276 IsEmpty]: Start isEmpty. Operand 7776 states and 19880 transitions. [2021-06-05 15:18:08,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-06-05 15:18:08,396 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:18:08,396 INFO L521 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:18:08,611 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 73 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable402 [2021-06-05 15:18:08,612 INFO L430 AbstractCegarLoop]: === Iteration 78 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:18:08,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:18:08,612 INFO L82 PathProgramCache]: Analyzing trace with hash -1652349196, now seen corresponding path program 73 times [2021-06-05 15:18:08,612 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:18:08,612 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795572296] [2021-06-05 15:18:08,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:18:08,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:18:08,643 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 15:18:08,643 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:18:08,643 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795572296] [2021-06-05 15:18:08,643 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795572296] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:08,643 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [909270928] [2021-06-05 15:18:08,643 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 74 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 74 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:18:08,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:18:08,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 33 conjunts are in the unsatisfiable core [2021-06-05 15:18:08,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:18:08,828 INFO L354 Elim1Store]: treesize reduction 154, result has 36.1 percent of original size [2021-06-05 15:18:08,829 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 11 new quantified variables, introduced 21 case distinctions, treesize of input 119 treesize of output 127 [2021-06-05 15:18:08,831 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:18:08,850 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:18:08,850 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:18:08,850 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:119, output treesize:136 [2021-06-05 15:18:08,901 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-06-05 15:18:09,032 INFO L446 ElimStorePlain]: Different costs {3=[f], 6=[v_prenex_54], 10=[v_prenex_55]} [2021-06-05 15:18:09,043 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:18:09,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 37 [2021-06-05 15:18:09,048 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:18:09,053 INFO L628 ElimStorePlain]: treesize reduction 113, result has 2.6 percent of original size [2021-06-05 15:18:09,053 INFO L518 ElimStorePlain]: Eliminatee v_prenex_54 vanished before elimination [2021-06-05 15:18:09,053 INFO L518 ElimStorePlain]: Eliminatee v_prenex_55 vanished before elimination [2021-06-05 15:18:09,054 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:18:09,054 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:132, output treesize:3 [2021-06-05 15:18:09,061 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:18:09,061 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [909270928] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:09,062 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:18:09,062 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12] total 17 [2021-06-05 15:18:09,062 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011024543] [2021-06-05 15:18:09,062 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-05 15:18:09,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:18:09,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-05 15:18:09,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2021-06-05 15:18:09,062 INFO L87 Difference]: Start difference. First operand 7776 states and 19880 transitions. Second operand has 17 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 17 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:09,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:18:09,191 INFO L93 Difference]: Finished difference Result 8649 states and 21915 transitions. [2021-06-05 15:18:09,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-05 15:18:09,191 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 17 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-06-05 15:18:09,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:18:09,199 INFO L225 Difference]: With dead ends: 8649 [2021-06-05 15:18:09,199 INFO L226 Difference]: Without dead ends: 8624 [2021-06-05 15:18:09,199 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 235.8ms TimeCoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2021-06-05 15:18:09,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8624 states. [2021-06-05 15:18:09,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8624 to 8091. [2021-06-05 15:18:09,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8091 states, 8090 states have (on average 2.5673671199011125) internal successors, (20770), 8090 states have internal predecessors, (20770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:09,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8091 states to 8091 states and 20770 transitions. [2021-06-05 15:18:09,317 INFO L78 Accepts]: Start accepts. Automaton has 8091 states and 20770 transitions. Word has length 34 [2021-06-05 15:18:09,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:18:09,317 INFO L482 AbstractCegarLoop]: Abstraction has 8091 states and 20770 transitions. [2021-06-05 15:18:09,318 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 17 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:09,318 INFO L276 IsEmpty]: Start isEmpty. Operand 8091 states and 20770 transitions. [2021-06-05 15:18:09,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-06-05 15:18:09,323 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:18:09,323 INFO L521 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:18:09,527 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable561,74 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:18:09,528 INFO L430 AbstractCegarLoop]: === Iteration 79 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:18:09,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:18:09,528 INFO L82 PathProgramCache]: Analyzing trace with hash 1306053620, now seen corresponding path program 74 times [2021-06-05 15:18:09,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:18:09,528 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108716320] [2021-06-05 15:18:09,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:18:09,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:18:09,558 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 15:18:09,558 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:18:09,558 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108716320] [2021-06-05 15:18:09,558 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108716320] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:09,558 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2037773356] [2021-06-05 15:18:09,558 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 75 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 75 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:18:09,586 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 15:18:09,586 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:18:09,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 33 conjunts are in the unsatisfiable core [2021-06-05 15:18:09,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:18:09,721 INFO L354 Elim1Store]: treesize reduction 79, result has 47.7 percent of original size [2021-06-05 15:18:09,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 117 treesize of output 110 [2021-06-05 15:18:09,723 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:18:09,743 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:18:09,744 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:18:09,744 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:117, output treesize:132 [2021-06-05 15:18:09,819 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-06-05 15:18:10,028 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 35 [2021-06-05 15:18:10,120 INFO L446 ElimStorePlain]: Different costs {6=[v_prenex_58], 10=[f, v_prenex_59]} [2021-06-05 15:18:10,139 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:18:10,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 64 [2021-06-05 15:18:10,141 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:18:10,146 INFO L628 ElimStorePlain]: treesize reduction 153, result has 1.9 percent of original size [2021-06-05 15:18:10,146 INFO L518 ElimStorePlain]: Eliminatee f vanished before elimination [2021-06-05 15:18:10,146 INFO L518 ElimStorePlain]: Eliminatee v_prenex_59 vanished before elimination [2021-06-05 15:18:10,146 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:18:10,147 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:176, output treesize:3 [2021-06-05 15:18:10,154 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:18:10,154 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2037773356] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:10,154 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:18:10,154 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12] total 17 [2021-06-05 15:18:10,154 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961663003] [2021-06-05 15:18:10,154 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-05 15:18:10,155 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:18:10,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-05 15:18:10,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2021-06-05 15:18:10,155 INFO L87 Difference]: Start difference. First operand 8091 states and 20770 transitions. Second operand has 17 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 17 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:10,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:18:10,366 INFO L93 Difference]: Finished difference Result 9127 states and 23212 transitions. [2021-06-05 15:18:10,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-05 15:18:10,367 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 17 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-06-05 15:18:10,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:18:10,375 INFO L225 Difference]: With dead ends: 9127 [2021-06-05 15:18:10,375 INFO L226 Difference]: Without dead ends: 9098 [2021-06-05 15:18:10,375 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 330.6ms TimeCoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2021-06-05 15:18:10,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9098 states. [2021-06-05 15:18:10,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9098 to 8475. [2021-06-05 15:18:10,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8475 states, 8474 states have (on average 2.577059240028322) internal successors, (21838), 8474 states have internal predecessors, (21838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:10,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8475 states to 8475 states and 21838 transitions. [2021-06-05 15:18:10,487 INFO L78 Accepts]: Start accepts. Automaton has 8475 states and 21838 transitions. Word has length 34 [2021-06-05 15:18:10,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:18:10,487 INFO L482 AbstractCegarLoop]: Abstraction has 8475 states and 21838 transitions. [2021-06-05 15:18:10,487 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 17 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:10,487 INFO L276 IsEmpty]: Start isEmpty. Operand 8475 states and 21838 transitions. [2021-06-05 15:18:10,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-06-05 15:18:10,491 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:18:10,491 INFO L521 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:18:10,692 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable572,75 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:18:10,692 INFO L430 AbstractCegarLoop]: === Iteration 80 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:18:10,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:18:10,692 INFO L82 PathProgramCache]: Analyzing trace with hash 1062809844, now seen corresponding path program 75 times [2021-06-05 15:18:10,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:18:10,692 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264854106] [2021-06-05 15:18:10,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:18:10,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:18:10,721 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 15:18:10,721 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:18:10,721 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264854106] [2021-06-05 15:18:10,721 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264854106] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:10,721 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1670060301] [2021-06-05 15:18:10,721 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) [2021-06-05 15:18:10,749 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-06-05 15:18:10,749 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:18:10,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 41 conjunts are in the unsatisfiable core [2021-06-05 15:18:10,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 76 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:18:10,919 INFO L446 ElimStorePlain]: Different costs {15=[f_inv], 28=[f]} [2021-06-05 15:18:10,961 INFO L354 Elim1Store]: treesize reduction 74, result has 43.5 percent of original size [2021-06-05 15:18:10,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 158 treesize of output 123 [2021-06-05 15:18:11,109 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:18:11,128 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:18:11,157 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:18:11,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 10 case distinctions, treesize of input 147 treesize of output 144 [2021-06-05 15:18:11,274 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:18:11,275 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:18:11,275 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:18:11,275 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:158, output treesize:3 [2021-06-05 15:18:11,283 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:18:11,283 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1670060301] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:11,283 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:18:11,283 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12] total 17 [2021-06-05 15:18:11,283 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214239778] [2021-06-05 15:18:11,283 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-05 15:18:11,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:18:11,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-05 15:18:11,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2021-06-05 15:18:11,283 INFO L87 Difference]: Start difference. First operand 8475 states and 21838 transitions. Second operand has 17 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 17 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:11,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:18:11,422 INFO L93 Difference]: Finished difference Result 9518 states and 24331 transitions. [2021-06-05 15:18:11,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-05 15:18:11,422 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 17 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-06-05 15:18:11,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:18:11,430 INFO L225 Difference]: With dead ends: 9518 [2021-06-05 15:18:11,430 INFO L226 Difference]: Without dead ends: 9492 [2021-06-05 15:18:11,430 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 153.5ms TimeCoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2021-06-05 15:18:11,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9492 states. [2021-06-05 15:18:11,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9492 to 8919. [2021-06-05 15:18:11,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8919 states, 8918 states have (on average 2.588024220677282) internal successors, (23080), 8918 states have internal predecessors, (23080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:11,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8919 states to 8919 states and 23080 transitions. [2021-06-05 15:18:11,539 INFO L78 Accepts]: Start accepts. Automaton has 8919 states and 23080 transitions. Word has length 34 [2021-06-05 15:18:11,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:18:11,539 INFO L482 AbstractCegarLoop]: Abstraction has 8919 states and 23080 transitions. [2021-06-05 15:18:11,539 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 17 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:11,539 INFO L276 IsEmpty]: Start isEmpty. Operand 8919 states and 23080 transitions. [2021-06-05 15:18:11,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-06-05 15:18:11,544 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:18:11,544 INFO L521 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:18:11,744 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable595,76 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:18:11,744 INFO L430 AbstractCegarLoop]: === Iteration 81 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:18:11,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:18:11,745 INFO L82 PathProgramCache]: Analyzing trace with hash -766224908, now seen corresponding path program 76 times [2021-06-05 15:18:11,745 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:18:11,745 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289087550] [2021-06-05 15:18:11,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:18:11,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:18:11,774 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 15:18:11,774 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:18:11,774 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289087550] [2021-06-05 15:18:11,774 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289087550] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:11,774 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2004848295] [2021-06-05 15:18:11,774 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 77 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 77 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:18:11,798 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 15:18:11,799 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:18:11,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 33 conjunts are in the unsatisfiable core [2021-06-05 15:18:11,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:18:11,895 INFO L354 Elim1Store]: treesize reduction 32, result has 60.5 percent of original size [2021-06-05 15:18:11,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 89 treesize of output 89 [2021-06-05 15:18:11,898 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:18:11,917 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:18:11,917 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:18:11,917 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:89, output treesize:162 [2021-06-05 15:18:12,019 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-06-05 15:18:12,389 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 38 [2021-06-05 15:18:12,774 INFO L354 Elim1Store]: treesize reduction 48, result has 40.7 percent of original size [2021-06-05 15:18:12,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 93 treesize of output 75 [2021-06-05 15:18:12,776 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:18:12,784 INFO L628 ElimStorePlain]: treesize reduction 393, result has 0.8 percent of original size [2021-06-05 15:18:12,784 INFO L518 ElimStorePlain]: Eliminatee v_prenex_70 vanished before elimination [2021-06-05 15:18:12,784 INFO L518 ElimStorePlain]: Eliminatee f vanished before elimination [2021-06-05 15:18:12,784 INFO L518 ElimStorePlain]: Eliminatee v_prenex_69 vanished before elimination [2021-06-05 15:18:12,785 INFO L518 ElimStorePlain]: Eliminatee v_prenex_68 vanished before elimination [2021-06-05 15:18:12,785 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:18:12,785 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 10 variables, input treesize:486, output treesize:3 [2021-06-05 15:18:12,792 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 15:18:12,792 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2004848295] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:12,792 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:18:12,793 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12] total 17 [2021-06-05 15:18:12,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463463794] [2021-06-05 15:18:12,793 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-05 15:18:12,793 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:18:12,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-05 15:18:12,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2021-06-05 15:18:12,793 INFO L87 Difference]: Start difference. First operand 8919 states and 23080 transitions. Second operand has 17 states, 17 states have (on average 3.0588235294117645) internal successors, (52), 17 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:13,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:18:13,068 INFO L93 Difference]: Finished difference Result 9867 states and 25209 transitions. [2021-06-05 15:18:13,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 15:18:13,068 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.0588235294117645) internal successors, (52), 17 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-06-05 15:18:13,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:18:13,078 INFO L225 Difference]: With dead ends: 9867 [2021-06-05 15:18:13,078 INFO L226 Difference]: Without dead ends: 9860 [2021-06-05 15:18:13,078 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 505.1ms TimeCoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2021-06-05 15:18:13,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9860 states. [2021-06-05 15:18:13,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9860 to 9257. [2021-06-05 15:18:13,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9257 states, 9256 states have (on average 2.5956136560069143) internal successors, (24025), 9256 states have internal predecessors, (24025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:13,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9257 states to 9257 states and 24025 transitions. [2021-06-05 15:18:13,207 INFO L78 Accepts]: Start accepts. Automaton has 9257 states and 24025 transitions. Word has length 34 [2021-06-05 15:18:13,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:18:13,207 INFO L482 AbstractCegarLoop]: Abstraction has 9257 states and 24025 transitions. [2021-06-05 15:18:13,207 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 3.0588235294117645) internal successors, (52), 17 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:13,207 INFO L276 IsEmpty]: Start isEmpty. Operand 9257 states and 24025 transitions. [2021-06-05 15:18:13,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 15:18:13,213 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:18:13,213 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:18:13,416 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable691,77 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:18:13,417 INFO L430 AbstractCegarLoop]: === Iteration 82 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:18:13,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:18:13,417 INFO L82 PathProgramCache]: Analyzing trace with hash 1975981686, now seen corresponding path program 77 times [2021-06-05 15:18:13,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:18:13,417 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805864184] [2021-06-05 15:18:13,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:18:13,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:18:13,522 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 25 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:18:13,523 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:18:13,523 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805864184] [2021-06-05 15:18:13,523 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805864184] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:13,523 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1012214813] [2021-06-05 15:18:13,523 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 78 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 78 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:18:13,548 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-06-05 15:18:13,548 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:18:13,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-05 15:18:13,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:18:13,758 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 25 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:18:13,758 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1012214813] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:13,758 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:18:13,758 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 29 [2021-06-05 15:18:13,758 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978340414] [2021-06-05 15:18:13,758 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-05 15:18:13,758 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:18:13,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-05 15:18:13,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=700, Unknown=0, NotChecked=0, Total=870 [2021-06-05 15:18:13,759 INFO L87 Difference]: Start difference. First operand 9257 states and 24025 transitions. Second operand has 30 states, 30 states have (on average 2.2) internal successors, (66), 29 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:15,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:18:15,080 INFO L93 Difference]: Finished difference Result 10763 states and 27124 transitions. [2021-06-05 15:18:15,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-06-05 15:18:15,081 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 2.2) internal successors, (66), 29 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-06-05 15:18:15,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:18:15,090 INFO L225 Difference]: With dead ends: 10763 [2021-06-05 15:18:15,090 INFO L226 Difference]: Without dead ends: 10763 [2021-06-05 15:18:15,090 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2236 ImplicationChecksByTransitivity, 1188.3ms TimeCoverageRelationStatistics Valid=2085, Invalid=5925, Unknown=0, NotChecked=0, Total=8010 [2021-06-05 15:18:15,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10763 states. [2021-06-05 15:18:15,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10763 to 8556. [2021-06-05 15:18:15,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8556 states, 8555 states have (on average 2.586791350087668) internal successors, (22130), 8555 states have internal predecessors, (22130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:15,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8556 states to 8556 states and 22130 transitions. [2021-06-05 15:18:15,186 INFO L78 Accepts]: Start accepts. Automaton has 8556 states and 22130 transitions. Word has length 36 [2021-06-05 15:18:15,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:18:15,186 INFO L482 AbstractCegarLoop]: Abstraction has 8556 states and 22130 transitions. [2021-06-05 15:18:15,186 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 2.2) internal successors, (66), 29 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:15,186 INFO L276 IsEmpty]: Start isEmpty. Operand 8556 states and 22130 transitions. [2021-06-05 15:18:15,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 15:18:15,192 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:18:15,192 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:18:15,394 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 78 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable731 [2021-06-05 15:18:15,394 INFO L430 AbstractCegarLoop]: === Iteration 83 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:18:15,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:18:15,394 INFO L82 PathProgramCache]: Analyzing trace with hash -1533628238, now seen corresponding path program 78 times [2021-06-05 15:18:15,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:18:15,394 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528318626] [2021-06-05 15:18:15,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:18:15,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:18:15,511 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 36 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:18:15,511 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:18:15,511 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528318626] [2021-06-05 15:18:15,511 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528318626] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:15,511 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [39398977] [2021-06-05 15:18:15,511 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 79 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 79 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:18:15,537 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-05 15:18:15,537 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:18:15,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-05 15:18:15,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:18:15,763 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 36 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:18:15,764 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [39398977] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:15,764 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:18:15,764 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2021-06-05 15:18:15,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359476448] [2021-06-05 15:18:15,764 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-05 15:18:15,764 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:18:15,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-05 15:18:15,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=670, Unknown=0, NotChecked=0, Total=812 [2021-06-05 15:18:15,764 INFO L87 Difference]: Start difference. First operand 8556 states and 22130 transitions. Second operand has 29 states, 29 states have (on average 2.206896551724138) internal successors, (64), 28 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:17,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:18:17,773 INFO L93 Difference]: Finished difference Result 12764 states and 31601 transitions. [2021-06-05 15:18:17,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2021-06-05 15:18:17,775 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 2.206896551724138) internal successors, (64), 28 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-06-05 15:18:17,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:18:17,787 INFO L225 Difference]: With dead ends: 12764 [2021-06-05 15:18:17,788 INFO L226 Difference]: Without dead ends: 12621 [2021-06-05 15:18:17,789 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4553 ImplicationChecksByTransitivity, 1935.3ms TimeCoverageRelationStatistics Valid=2979, Invalid=10827, Unknown=0, NotChecked=0, Total=13806 [2021-06-05 15:18:17,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12621 states. [2021-06-05 15:18:17,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12621 to 8919. [2021-06-05 15:18:17,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8919 states, 8918 states have (on average 2.585557299843014) internal successors, (23058), 8918 states have internal predecessors, (23058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:17,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8919 states to 8919 states and 23058 transitions. [2021-06-05 15:18:17,948 INFO L78 Accepts]: Start accepts. Automaton has 8919 states and 23058 transitions. Word has length 36 [2021-06-05 15:18:17,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:18:17,948 INFO L482 AbstractCegarLoop]: Abstraction has 8919 states and 23058 transitions. [2021-06-05 15:18:17,948 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 2.206896551724138) internal successors, (64), 28 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:17,948 INFO L276 IsEmpty]: Start isEmpty. Operand 8919 states and 23058 transitions. [2021-06-05 15:18:17,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 15:18:17,953 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:18:17,954 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:18:18,154 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 79 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable732 [2021-06-05 15:18:18,154 INFO L430 AbstractCegarLoop]: === Iteration 84 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:18:18,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:18:18,154 INFO L82 PathProgramCache]: Analyzing trace with hash 800183698, now seen corresponding path program 79 times [2021-06-05 15:18:18,154 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:18:18,155 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033719270] [2021-06-05 15:18:18,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:18:18,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:18:18,216 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 36 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:18:18,216 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:18:18,216 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033719270] [2021-06-05 15:18:18,216 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033719270] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:18,216 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [214153791] [2021-06-05 15:18:18,216 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 80 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 80 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:18:18,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:18:18,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-05 15:18:18,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:18:18,469 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 36 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:18:18,469 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [214153791] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:18,469 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:18:18,469 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 15] total 23 [2021-06-05 15:18:18,469 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384617615] [2021-06-05 15:18:18,469 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-05 15:18:18,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:18:18,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-05 15:18:18,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=455, Unknown=0, NotChecked=0, Total=552 [2021-06-05 15:18:18,470 INFO L87 Difference]: Start difference. First operand 8919 states and 23058 transitions. Second operand has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:20,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:18:20,146 INFO L93 Difference]: Finished difference Result 16283 states and 41247 transitions. [2021-06-05 15:18:20,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-06-05 15:18:20,146 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-06-05 15:18:20,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:18:20,163 INFO L225 Difference]: With dead ends: 16283 [2021-06-05 15:18:20,163 INFO L226 Difference]: Without dead ends: 16267 [2021-06-05 15:18:20,164 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3729 ImplicationChecksByTransitivity, 1485.7ms TimeCoverageRelationStatistics Valid=2811, Invalid=7695, Unknown=0, NotChecked=0, Total=10506 [2021-06-05 15:18:20,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16267 states. [2021-06-05 15:18:20,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16267 to 11626. [2021-06-05 15:18:20,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11626 states, 11625 states have (on average 2.584602150537634) internal successors, (30046), 11625 states have internal predecessors, (30046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:20,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11626 states to 11626 states and 30046 transitions. [2021-06-05 15:18:20,339 INFO L78 Accepts]: Start accepts. Automaton has 11626 states and 30046 transitions. Word has length 36 [2021-06-05 15:18:20,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:18:20,339 INFO L482 AbstractCegarLoop]: Abstraction has 11626 states and 30046 transitions. [2021-06-05 15:18:20,340 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:20,340 INFO L276 IsEmpty]: Start isEmpty. Operand 11626 states and 30046 transitions. [2021-06-05 15:18:20,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 15:18:20,347 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:18:20,347 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:18:20,547 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable733,80 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:18:20,547 INFO L430 AbstractCegarLoop]: === Iteration 85 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:18:20,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:18:20,548 INFO L82 PathProgramCache]: Analyzing trace with hash -583714384, now seen corresponding path program 80 times [2021-06-05 15:18:20,548 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:18:20,548 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602283434] [2021-06-05 15:18:20,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:18:20,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:18:20,619 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 31 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:18:20,619 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:18:20,619 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602283434] [2021-06-05 15:18:20,619 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602283434] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:20,619 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [212510313] [2021-06-05 15:18:20,619 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 81 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 81 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:18:20,645 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 15:18:20,645 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:18:20,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-05 15:18:20,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:18:20,844 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 31 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:18:20,844 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [212510313] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:20,844 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:18:20,844 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 15] total 23 [2021-06-05 15:18:20,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130962402] [2021-06-05 15:18:20,844 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-05 15:18:20,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:18:20,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-05 15:18:20,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=424, Unknown=0, NotChecked=0, Total=552 [2021-06-05 15:18:20,845 INFO L87 Difference]: Start difference. First operand 11626 states and 30046 transitions. Second operand has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:22,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:18:22,052 INFO L93 Difference]: Finished difference Result 12191 states and 31159 transitions. [2021-06-05 15:18:22,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-05 15:18:22,052 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-06-05 15:18:22,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:18:22,064 INFO L225 Difference]: With dead ends: 12191 [2021-06-05 15:18:22,064 INFO L226 Difference]: Without dead ends: 12187 [2021-06-05 15:18:22,065 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2261 ImplicationChecksByTransitivity, 1111.9ms TimeCoverageRelationStatistics Valid=1724, Invalid=5416, Unknown=0, NotChecked=0, Total=7140 [2021-06-05 15:18:22,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12187 states. [2021-06-05 15:18:22,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12187 to 11626. [2021-06-05 15:18:22,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11626 states, 11625 states have (on average 2.5839139784946235) internal successors, (30038), 11625 states have internal predecessors, (30038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:22,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11626 states to 11626 states and 30038 transitions. [2021-06-05 15:18:22,212 INFO L78 Accepts]: Start accepts. Automaton has 11626 states and 30038 transitions. Word has length 36 [2021-06-05 15:18:22,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:18:22,212 INFO L482 AbstractCegarLoop]: Abstraction has 11626 states and 30038 transitions. [2021-06-05 15:18:22,212 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:22,212 INFO L276 IsEmpty]: Start isEmpty. Operand 11626 states and 30038 transitions. [2021-06-05 15:18:22,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 15:18:22,219 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:18:22,220 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:18:22,420 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 81 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable734 [2021-06-05 15:18:22,420 INFO L430 AbstractCegarLoop]: === Iteration 86 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:18:22,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:18:22,420 INFO L82 PathProgramCache]: Analyzing trace with hash 1643832242, now seen corresponding path program 81 times [2021-06-05 15:18:22,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:18:22,421 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787052199] [2021-06-05 15:18:22,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:18:22,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:18:22,473 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 39 proven. 21 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:18:22,473 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:18:22,473 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787052199] [2021-06-05 15:18:22,473 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787052199] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:22,473 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [767681791] [2021-06-05 15:18:22,473 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 82 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 82 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:18:22,582 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-06-05 15:18:22,582 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:18:22,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-05 15:18:22,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:18:22,777 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 31 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:18:22,778 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [767681791] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:22,778 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:18:22,778 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 15] total 23 [2021-06-05 15:18:22,778 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871511623] [2021-06-05 15:18:22,778 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-05 15:18:22,778 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:18:22,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-05 15:18:22,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=455, Unknown=0, NotChecked=0, Total=552 [2021-06-05 15:18:22,778 INFO L87 Difference]: Start difference. First operand 11626 states and 30038 transitions. Second operand has 24 states, 24 states have (on average 2.6666666666666665) internal successors, (64), 23 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:23,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:18:23,722 INFO L93 Difference]: Finished difference Result 15216 states and 38818 transitions. [2021-06-05 15:18:23,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-05 15:18:23,723 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.6666666666666665) internal successors, (64), 23 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-06-05 15:18:23,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:18:23,739 INFO L225 Difference]: With dead ends: 15216 [2021-06-05 15:18:23,740 INFO L226 Difference]: Without dead ends: 15195 [2021-06-05 15:18:23,740 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1417 ImplicationChecksByTransitivity, 792.8ms TimeCoverageRelationStatistics Valid=1176, Invalid=3654, Unknown=0, NotChecked=0, Total=4830 [2021-06-05 15:18:23,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15195 states. [2021-06-05 15:18:23,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15195 to 11850. [2021-06-05 15:18:23,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11850 states, 11849 states have (on average 2.593467803190143) internal successors, (30730), 11849 states have internal predecessors, (30730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:23,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11850 states to 11850 states and 30730 transitions. [2021-06-05 15:18:23,920 INFO L78 Accepts]: Start accepts. Automaton has 11850 states and 30730 transitions. Word has length 36 [2021-06-05 15:18:23,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:18:23,920 INFO L482 AbstractCegarLoop]: Abstraction has 11850 states and 30730 transitions. [2021-06-05 15:18:23,920 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.6666666666666665) internal successors, (64), 23 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:23,920 INFO L276 IsEmpty]: Start isEmpty. Operand 11850 states and 30730 transitions. [2021-06-05 15:18:23,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 15:18:23,926 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:18:23,926 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:18:24,127 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable735,82 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:18:24,127 INFO L430 AbstractCegarLoop]: === Iteration 87 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:18:24,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:18:24,127 INFO L82 PathProgramCache]: Analyzing trace with hash -1511339966, now seen corresponding path program 82 times [2021-06-05 15:18:24,127 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:18:24,128 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344242357] [2021-06-05 15:18:24,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:18:24,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:18:24,189 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 27 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:18:24,189 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:18:24,189 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344242357] [2021-06-05 15:18:24,189 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344242357] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:24,189 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [176780695] [2021-06-05 15:18:24,190 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 83 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 83 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:18:24,212 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 15:18:24,213 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:18:24,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-05 15:18:24,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:18:24,410 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 27 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:18:24,410 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [176780695] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:24,410 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:18:24,410 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 15] total 24 [2021-06-05 15:18:24,410 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683324838] [2021-06-05 15:18:24,410 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-05 15:18:24,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:18:24,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-05 15:18:24,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=475, Unknown=0, NotChecked=0, Total=600 [2021-06-05 15:18:24,411 INFO L87 Difference]: Start difference. First operand 11850 states and 30730 transitions. Second operand has 25 states, 25 states have (on average 2.48) internal successors, (62), 24 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:25,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:18:25,675 INFO L93 Difference]: Finished difference Result 13259 states and 33760 transitions. [2021-06-05 15:18:25,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-06-05 15:18:25,676 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 2.48) internal successors, (62), 24 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-06-05 15:18:25,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:18:25,689 INFO L225 Difference]: With dead ends: 13259 [2021-06-05 15:18:25,689 INFO L226 Difference]: Without dead ends: 13241 [2021-06-05 15:18:25,690 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2419 ImplicationChecksByTransitivity, 1127.6ms TimeCoverageRelationStatistics Valid=1777, Invalid=5705, Unknown=0, NotChecked=0, Total=7482 [2021-06-05 15:18:25,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13241 states. [2021-06-05 15:18:25,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13241 to 12104. [2021-06-05 15:18:25,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12104 states, 12103 states have (on average 2.5956374452615054) internal successors, (31415), 12103 states have internal predecessors, (31415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:25,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12104 states to 12104 states and 31415 transitions. [2021-06-05 15:18:25,869 INFO L78 Accepts]: Start accepts. Automaton has 12104 states and 31415 transitions. Word has length 36 [2021-06-05 15:18:25,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:18:25,869 INFO L482 AbstractCegarLoop]: Abstraction has 12104 states and 31415 transitions. [2021-06-05 15:18:25,870 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.48) internal successors, (62), 24 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:25,870 INFO L276 IsEmpty]: Start isEmpty. Operand 12104 states and 31415 transitions. [2021-06-05 15:18:25,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 15:18:25,876 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:18:25,876 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:18:26,077 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable736,83 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:18:26,077 INFO L430 AbstractCegarLoop]: === Iteration 88 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:18:26,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:18:26,077 INFO L82 PathProgramCache]: Analyzing trace with hash 1219841470, now seen corresponding path program 83 times [2021-06-05 15:18:26,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:18:26,078 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997880115] [2021-06-05 15:18:26,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:18:26,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:18:26,156 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 22 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:18:26,157 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:18:26,157 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997880115] [2021-06-05 15:18:26,157 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997880115] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:26,157 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1555589883] [2021-06-05 15:18:26,157 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 84 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 84 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:18:26,188 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2021-06-05 15:18:26,188 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:18:26,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-05 15:18:26,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:18:26,409 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 22 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:18:26,410 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1555589883] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:26,410 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:18:26,410 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15] total 25 [2021-06-05 15:18:26,410 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051051501] [2021-06-05 15:18:26,410 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-06-05 15:18:26,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:18:26,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-06-05 15:18:26,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=524, Unknown=0, NotChecked=0, Total=650 [2021-06-05 15:18:26,410 INFO L87 Difference]: Start difference. First operand 12104 states and 31415 transitions. Second operand has 26 states, 26 states have (on average 2.3846153846153846) internal successors, (62), 25 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:27,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:18:27,680 INFO L93 Difference]: Finished difference Result 13923 states and 35275 transitions. [2021-06-05 15:18:27,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-05 15:18:27,680 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 2.3846153846153846) internal successors, (62), 25 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-06-05 15:18:27,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:18:27,694 INFO L225 Difference]: With dead ends: 13923 [2021-06-05 15:18:27,694 INFO L226 Difference]: Without dead ends: 13889 [2021-06-05 15:18:27,695 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2629 ImplicationChecksByTransitivity, 1130.0ms TimeCoverageRelationStatistics Valid=1841, Invalid=5991, Unknown=0, NotChecked=0, Total=7832 [2021-06-05 15:18:27,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13889 states. [2021-06-05 15:18:27,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13889 to 11939. [2021-06-05 15:18:27,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11939 states, 11938 states have (on average 2.5983414307254145) internal successors, (31019), 11938 states have internal predecessors, (31019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:27,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11939 states to 11939 states and 31019 transitions. [2021-06-05 15:18:27,836 INFO L78 Accepts]: Start accepts. Automaton has 11939 states and 31019 transitions. Word has length 36 [2021-06-05 15:18:27,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:18:27,836 INFO L482 AbstractCegarLoop]: Abstraction has 11939 states and 31019 transitions. [2021-06-05 15:18:27,837 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 2.3846153846153846) internal successors, (62), 25 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:27,837 INFO L276 IsEmpty]: Start isEmpty. Operand 11939 states and 31019 transitions. [2021-06-05 15:18:27,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 15:18:27,843 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:18:27,844 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:18:28,044 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable737,84 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:18:28,044 INFO L430 AbstractCegarLoop]: === Iteration 89 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:18:28,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:18:28,044 INFO L82 PathProgramCache]: Analyzing trace with hash 1660183610, now seen corresponding path program 84 times [2021-06-05 15:18:28,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:18:28,044 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667066444] [2021-06-05 15:18:28,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:18:28,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:18:28,114 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 21 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:18:28,114 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:18:28,114 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667066444] [2021-06-05 15:18:28,114 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667066444] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:28,114 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1094248170] [2021-06-05 15:18:28,114 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 85 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 85 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:18:28,144 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2021-06-05 15:18:28,144 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:18:28,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-05 15:18:28,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:18:28,406 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 21 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:18:28,406 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1094248170] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:28,407 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:18:28,407 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15] total 26 [2021-06-05 15:18:28,407 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608523300] [2021-06-05 15:18:28,407 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-05 15:18:28,407 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:18:28,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-05 15:18:28,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=571, Unknown=0, NotChecked=0, Total=702 [2021-06-05 15:18:28,407 INFO L87 Difference]: Start difference. First operand 11939 states and 31019 transitions. Second operand has 27 states, 27 states have (on average 2.2962962962962963) internal successors, (62), 26 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:29,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:18:29,653 INFO L93 Difference]: Finished difference Result 14229 states and 35822 transitions. [2021-06-05 15:18:29,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-06-05 15:18:29,653 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 2.2962962962962963) internal successors, (62), 26 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-06-05 15:18:29,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:18:29,669 INFO L225 Difference]: With dead ends: 14229 [2021-06-05 15:18:29,669 INFO L226 Difference]: Without dead ends: 14185 [2021-06-05 15:18:29,670 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2812 ImplicationChecksByTransitivity, 1169.0ms TimeCoverageRelationStatistics Valid=1915, Invalid=6275, Unknown=0, NotChecked=0, Total=8190 [2021-06-05 15:18:29,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14185 states. [2021-06-05 15:18:29,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14185 to 11149. [2021-06-05 15:18:29,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11149 states, 11148 states have (on average 2.601184068891281) internal successors, (28998), 11148 states have internal predecessors, (28998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:29,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11149 states to 11149 states and 28998 transitions. [2021-06-05 15:18:29,819 INFO L78 Accepts]: Start accepts. Automaton has 11149 states and 28998 transitions. Word has length 36 [2021-06-05 15:18:29,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:18:29,819 INFO L482 AbstractCegarLoop]: Abstraction has 11149 states and 28998 transitions. [2021-06-05 15:18:29,819 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 2.2962962962962963) internal successors, (62), 26 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:29,819 INFO L276 IsEmpty]: Start isEmpty. Operand 11149 states and 28998 transitions. [2021-06-05 15:18:29,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 15:18:29,825 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:18:29,825 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:18:30,025 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 85 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable738 [2021-06-05 15:18:30,026 INFO L430 AbstractCegarLoop]: === Iteration 90 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:18:30,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:18:30,026 INFO L82 PathProgramCache]: Analyzing trace with hash -372782154, now seen corresponding path program 85 times [2021-06-05 15:18:30,026 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:18:30,026 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034409041] [2021-06-05 15:18:30,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:18:30,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:18:30,104 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 24 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:18:30,104 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:18:30,104 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034409041] [2021-06-05 15:18:30,104 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034409041] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:30,104 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1449374296] [2021-06-05 15:18:30,104 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 86 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 86 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:18:30,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:18:30,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-05 15:18:30,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:18:30,341 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 24 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:18:30,341 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1449374296] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:30,341 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:18:30,341 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 27 [2021-06-05 15:18:30,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994181852] [2021-06-05 15:18:30,341 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 15:18:30,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:18:30,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 15:18:30,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=616, Unknown=0, NotChecked=0, Total=756 [2021-06-05 15:18:30,342 INFO L87 Difference]: Start difference. First operand 11149 states and 28998 transitions. Second operand has 28 states, 28 states have (on average 2.2142857142857144) internal successors, (62), 27 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:31,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:18:31,639 INFO L93 Difference]: Finished difference Result 13990 states and 34960 transitions. [2021-06-05 15:18:31,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-06-05 15:18:31,640 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 2.2142857142857144) internal successors, (62), 27 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-06-05 15:18:31,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:18:31,653 INFO L225 Difference]: With dead ends: 13990 [2021-06-05 15:18:31,654 INFO L226 Difference]: Without dead ends: 13948 [2021-06-05 15:18:31,654 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2949 ImplicationChecksByTransitivity, 1162.0ms TimeCoverageRelationStatistics Valid=1998, Invalid=6558, Unknown=0, NotChecked=0, Total=8556 [2021-06-05 15:18:31,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13948 states. [2021-06-05 15:18:31,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13948 to 9962. [2021-06-05 15:18:31,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9962 states, 9961 states have (on average 2.597731151490814) internal successors, (25876), 9961 states have internal predecessors, (25876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:31,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9962 states to 9962 states and 25876 transitions. [2021-06-05 15:18:31,782 INFO L78 Accepts]: Start accepts. Automaton has 9962 states and 25876 transitions. Word has length 36 [2021-06-05 15:18:31,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:18:31,782 INFO L482 AbstractCegarLoop]: Abstraction has 9962 states and 25876 transitions. [2021-06-05 15:18:31,782 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 2.2142857142857144) internal successors, (62), 27 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:31,782 INFO L276 IsEmpty]: Start isEmpty. Operand 9962 states and 25876 transitions. [2021-06-05 15:18:31,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 15:18:31,787 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:18:31,788 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:18:31,988 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable739,86 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:18:31,988 INFO L430 AbstractCegarLoop]: === Iteration 91 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:18:31,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:18:31,988 INFO L82 PathProgramCache]: Analyzing trace with hash -1742466442, now seen corresponding path program 86 times [2021-06-05 15:18:31,988 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:18:31,988 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775966407] [2021-06-05 15:18:31,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:18:31,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:18:32,079 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 24 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:18:32,079 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:18:32,079 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775966407] [2021-06-05 15:18:32,079 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775966407] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:32,079 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1768440] [2021-06-05 15:18:32,079 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 87 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 87 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:18:32,104 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 15:18:32,104 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:18:32,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-05 15:18:32,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:18:32,308 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 20 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:18:32,309 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1768440] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:32,309 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:18:32,309 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2021-06-05 15:18:32,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247211071] [2021-06-05 15:18:32,309 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-05 15:18:32,309 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:18:32,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-05 15:18:32,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=665, Unknown=0, NotChecked=0, Total=812 [2021-06-05 15:18:32,309 INFO L87 Difference]: Start difference. First operand 9962 states and 25876 transitions. Second operand has 29 states, 29 states have (on average 2.2413793103448274) internal successors, (65), 28 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:33,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:18:33,644 INFO L93 Difference]: Finished difference Result 12322 states and 30673 transitions. [2021-06-05 15:18:33,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-05 15:18:33,644 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 2.2413793103448274) internal successors, (65), 28 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-06-05 15:18:33,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:18:33,656 INFO L225 Difference]: With dead ends: 12322 [2021-06-05 15:18:33,656 INFO L226 Difference]: Without dead ends: 12322 [2021-06-05 15:18:33,657 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2304 ImplicationChecksByTransitivity, 1182.7ms TimeCoverageRelationStatistics Valid=1981, Invalid=6029, Unknown=0, NotChecked=0, Total=8010 [2021-06-05 15:18:33,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12322 states. [2021-06-05 15:18:33,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12322 to 8944. [2021-06-05 15:18:33,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8944 states, 8943 states have (on average 2.5896231689589624) internal successors, (23159), 8943 states have internal predecessors, (23159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:33,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8944 states to 8944 states and 23159 transitions. [2021-06-05 15:18:33,772 INFO L78 Accepts]: Start accepts. Automaton has 8944 states and 23159 transitions. Word has length 36 [2021-06-05 15:18:33,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:18:33,772 INFO L482 AbstractCegarLoop]: Abstraction has 8944 states and 23159 transitions. [2021-06-05 15:18:33,772 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 2.2413793103448274) internal successors, (65), 28 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:33,773 INFO L276 IsEmpty]: Start isEmpty. Operand 8944 states and 23159 transitions. [2021-06-05 15:18:33,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 15:18:33,777 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:18:33,777 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:18:33,978 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 87 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable740 [2021-06-05 15:18:33,978 INFO L430 AbstractCegarLoop]: === Iteration 92 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:18:33,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:18:33,978 INFO L82 PathProgramCache]: Analyzing trace with hash 1833765810, now seen corresponding path program 87 times [2021-06-05 15:18:33,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:18:33,978 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185463530] [2021-06-05 15:18:33,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:18:33,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:18:34,056 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 27 proven. 33 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:18:34,056 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:18:34,056 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185463530] [2021-06-05 15:18:34,056 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185463530] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:34,056 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [277727491] [2021-06-05 15:18:34,056 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 88 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 88 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:18:34,083 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-06-05 15:18:34,084 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:18:34,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-05 15:18:34,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:18:34,312 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 27 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:18:34,312 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [277727491] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:34,312 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:18:34,312 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 27 [2021-06-05 15:18:34,312 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988988579] [2021-06-05 15:18:34,312 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 15:18:34,312 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:18:34,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 15:18:34,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=626, Unknown=0, NotChecked=0, Total=756 [2021-06-05 15:18:34,313 INFO L87 Difference]: Start difference. First operand 8944 states and 23159 transitions. Second operand has 28 states, 28 states have (on average 2.25) internal successors, (63), 27 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:35,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:18:35,782 INFO L93 Difference]: Finished difference Result 10626 states and 26434 transitions. [2021-06-05 15:18:35,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-06-05 15:18:35,783 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 2.25) internal successors, (63), 27 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-06-05 15:18:35,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:18:35,791 INFO L225 Difference]: With dead ends: 10626 [2021-06-05 15:18:35,791 INFO L226 Difference]: Without dead ends: 10527 [2021-06-05 15:18:35,792 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3285 ImplicationChecksByTransitivity, 1348.8ms TimeCoverageRelationStatistics Valid=2020, Invalid=7486, Unknown=0, NotChecked=0, Total=9506 [2021-06-05 15:18:35,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10527 states. [2021-06-05 15:18:35,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10527 to 8656. [2021-06-05 15:18:35,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8656 states, 8655 states have (on average 2.577007510109763) internal successors, (22304), 8655 states have internal predecessors, (22304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:35,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8656 states to 8656 states and 22304 transitions. [2021-06-05 15:18:35,899 INFO L78 Accepts]: Start accepts. Automaton has 8656 states and 22304 transitions. Word has length 36 [2021-06-05 15:18:35,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:18:35,899 INFO L482 AbstractCegarLoop]: Abstraction has 8656 states and 22304 transitions. [2021-06-05 15:18:35,899 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 2.25) internal successors, (63), 27 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:35,899 INFO L276 IsEmpty]: Start isEmpty. Operand 8656 states and 22304 transitions. [2021-06-05 15:18:35,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 15:18:35,904 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:18:35,904 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:18:36,104 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 88 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable741 [2021-06-05 15:18:36,104 INFO L430 AbstractCegarLoop]: === Iteration 93 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:18:36,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:18:36,105 INFO L82 PathProgramCache]: Analyzing trace with hash 1703939702, now seen corresponding path program 88 times [2021-06-05 15:18:36,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:18:36,105 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779462452] [2021-06-05 15:18:36,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:18:36,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:18:36,185 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 23 proven. 37 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:18:36,185 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:18:36,185 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779462452] [2021-06-05 15:18:36,185 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779462452] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:36,185 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [494711259] [2021-06-05 15:18:36,185 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 89 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 89 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:18:36,209 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 15:18:36,209 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:18:36,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-05 15:18:36,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:18:36,414 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 20 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:18:36,414 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [494711259] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:36,414 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:18:36,414 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 27 [2021-06-05 15:18:36,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114949455] [2021-06-05 15:18:36,414 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 15:18:36,414 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:18:36,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 15:18:36,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=624, Unknown=0, NotChecked=0, Total=756 [2021-06-05 15:18:36,415 INFO L87 Difference]: Start difference. First operand 8656 states and 22304 transitions. Second operand has 28 states, 28 states have (on average 2.3214285714285716) internal successors, (65), 27 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:37,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:18:37,845 INFO L93 Difference]: Finished difference Result 11669 states and 28734 transitions. [2021-06-05 15:18:37,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-06-05 15:18:37,849 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 2.3214285714285716) internal successors, (65), 27 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-06-05 15:18:37,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:18:37,860 INFO L225 Difference]: With dead ends: 11669 [2021-06-05 15:18:37,860 INFO L226 Difference]: Without dead ends: 11669 [2021-06-05 15:18:37,861 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2824 ImplicationChecksByTransitivity, 1259.9ms TimeCoverageRelationStatistics Valid=2270, Invalid=6660, Unknown=0, NotChecked=0, Total=8930 [2021-06-05 15:18:37,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11669 states. [2021-06-05 15:18:37,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11669 to 7769. [2021-06-05 15:18:37,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7769 states, 7768 states have (on average 2.5607621009268797) internal successors, (19892), 7768 states have internal predecessors, (19892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:37,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7769 states to 7769 states and 19892 transitions. [2021-06-05 15:18:37,991 INFO L78 Accepts]: Start accepts. Automaton has 7769 states and 19892 transitions. Word has length 36 [2021-06-05 15:18:37,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:18:37,991 INFO L482 AbstractCegarLoop]: Abstraction has 7769 states and 19892 transitions. [2021-06-05 15:18:37,991 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 2.3214285714285716) internal successors, (65), 27 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:37,991 INFO L276 IsEmpty]: Start isEmpty. Operand 7769 states and 19892 transitions. [2021-06-05 15:18:37,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 15:18:37,995 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:18:37,995 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:18:38,196 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable742,89 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:18:38,196 INFO L430 AbstractCegarLoop]: === Iteration 94 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:18:38,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:18:38,196 INFO L82 PathProgramCache]: Analyzing trace with hash 366880434, now seen corresponding path program 89 times [2021-06-05 15:18:38,196 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:18:38,196 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689300864] [2021-06-05 15:18:38,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:18:38,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:18:38,268 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 23 proven. 37 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:18:38,268 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:18:38,268 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689300864] [2021-06-05 15:18:38,268 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689300864] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:38,268 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [758279619] [2021-06-05 15:18:38,268 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 90 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 90 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:18:38,293 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-05 15:18:38,294 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:18:38,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-05 15:18:38,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:18:38,496 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 22 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:18:38,496 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [758279619] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:38,496 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:18:38,496 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15] total 26 [2021-06-05 15:18:38,496 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682090336] [2021-06-05 15:18:38,496 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-05 15:18:38,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:18:38,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-05 15:18:38,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=580, Unknown=0, NotChecked=0, Total=702 [2021-06-05 15:18:38,496 INFO L87 Difference]: Start difference. First operand 7769 states and 19892 transitions. Second operand has 27 states, 27 states have (on average 2.3333333333333335) internal successors, (63), 26 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:39,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:18:39,769 INFO L93 Difference]: Finished difference Result 9358 states and 23204 transitions. [2021-06-05 15:18:39,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-06-05 15:18:39,770 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 2.3333333333333335) internal successors, (63), 26 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-06-05 15:18:39,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:18:39,778 INFO L225 Difference]: With dead ends: 9358 [2021-06-05 15:18:39,778 INFO L226 Difference]: Without dead ends: 9292 [2021-06-05 15:18:39,779 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2837 ImplicationChecksByTransitivity, 1125.7ms TimeCoverageRelationStatistics Valid=1697, Invalid=6313, Unknown=0, NotChecked=0, Total=8010 [2021-06-05 15:18:39,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9292 states. [2021-06-05 15:18:39,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9292 to 7746. [2021-06-05 15:18:39,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7746 states, 7745 states have (on average 2.5536475145255) internal successors, (19778), 7745 states have internal predecessors, (19778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:39,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7746 states to 7746 states and 19778 transitions. [2021-06-05 15:18:39,872 INFO L78 Accepts]: Start accepts. Automaton has 7746 states and 19778 transitions. Word has length 36 [2021-06-05 15:18:39,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:18:39,872 INFO L482 AbstractCegarLoop]: Abstraction has 7746 states and 19778 transitions. [2021-06-05 15:18:39,872 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 2.3333333333333335) internal successors, (63), 26 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:39,872 INFO L276 IsEmpty]: Start isEmpty. Operand 7746 states and 19778 transitions. [2021-06-05 15:18:39,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 15:18:39,877 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:18:39,877 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:18:40,077 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable743,90 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:18:40,077 INFO L430 AbstractCegarLoop]: === Iteration 95 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:18:40,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:18:40,078 INFO L82 PathProgramCache]: Analyzing trace with hash 1439369846, now seen corresponding path program 90 times [2021-06-05 15:18:40,078 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:18:40,078 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536515871] [2021-06-05 15:18:40,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:18:40,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:18:40,151 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 22 proven. 38 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:18:40,151 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:18:40,151 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536515871] [2021-06-05 15:18:40,151 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536515871] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:40,151 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1805572570] [2021-06-05 15:18:40,151 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 91 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 91 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:18:40,177 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-05 15:18:40,177 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:18:40,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-05 15:18:40,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:18:40,377 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 20 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:18:40,377 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1805572570] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:40,377 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:18:40,377 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15] total 26 [2021-06-05 15:18:40,377 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621043130] [2021-06-05 15:18:40,377 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-05 15:18:40,377 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:18:40,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-05 15:18:40,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=581, Unknown=0, NotChecked=0, Total=702 [2021-06-05 15:18:40,378 INFO L87 Difference]: Start difference. First operand 7746 states and 19778 transitions. Second operand has 27 states, 27 states have (on average 2.4074074074074074) internal successors, (65), 26 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:42,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:18:42,007 INFO L93 Difference]: Finished difference Result 11275 states and 27529 transitions. [2021-06-05 15:18:42,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-05 15:18:42,008 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 2.4074074074074074) internal successors, (65), 26 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-06-05 15:18:42,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:18:42,017 INFO L225 Difference]: With dead ends: 11275 [2021-06-05 15:18:42,017 INFO L226 Difference]: Without dead ends: 11275 [2021-06-05 15:18:42,018 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3564 ImplicationChecksByTransitivity, 1409.9ms TimeCoverageRelationStatistics Valid=2740, Invalid=7562, Unknown=0, NotChecked=0, Total=10302 [2021-06-05 15:18:42,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11275 states. [2021-06-05 15:18:42,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11275 to 7094. [2021-06-05 15:18:42,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7094 states, 7093 states have (on average 2.531791907514451) internal successors, (17958), 7093 states have internal predecessors, (17958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:42,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7094 states to 7094 states and 17958 transitions. [2021-06-05 15:18:42,112 INFO L78 Accepts]: Start accepts. Automaton has 7094 states and 17958 transitions. Word has length 36 [2021-06-05 15:18:42,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:18:42,113 INFO L482 AbstractCegarLoop]: Abstraction has 7094 states and 17958 transitions. [2021-06-05 15:18:42,113 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 2.4074074074074074) internal successors, (65), 26 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:42,113 INFO L276 IsEmpty]: Start isEmpty. Operand 7094 states and 17958 transitions. [2021-06-05 15:18:42,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 15:18:42,116 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:18:42,116 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:18:42,320 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 91 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable744 [2021-06-05 15:18:42,321 INFO L430 AbstractCegarLoop]: === Iteration 96 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:18:42,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:18:42,321 INFO L82 PathProgramCache]: Analyzing trace with hash 1442447794, now seen corresponding path program 91 times [2021-06-05 15:18:42,321 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:18:42,321 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896785573] [2021-06-05 15:18:42,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:18:42,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:18:42,400 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 23 proven. 37 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:18:42,400 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:18:42,401 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896785573] [2021-06-05 15:18:42,401 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896785573] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:42,401 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [179137887] [2021-06-05 15:18:42,401 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 92 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 92 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:18:42,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:18:42,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-05 15:18:42,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:18:42,625 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 21 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:18:42,626 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [179137887] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:42,626 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:18:42,626 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15] total 25 [2021-06-05 15:18:42,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670246709] [2021-06-05 15:18:42,626 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-06-05 15:18:42,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:18:42,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-06-05 15:18:42,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=532, Unknown=0, NotChecked=0, Total=650 [2021-06-05 15:18:42,626 INFO L87 Difference]: Start difference. First operand 7094 states and 17958 transitions. Second operand has 26 states, 26 states have (on average 2.423076923076923) internal successors, (63), 25 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:43,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:18:43,831 INFO L93 Difference]: Finished difference Result 8391 states and 20772 transitions. [2021-06-05 15:18:43,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-06-05 15:18:43,831 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 2.423076923076923) internal successors, (63), 25 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-06-05 15:18:43,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:18:43,838 INFO L225 Difference]: With dead ends: 8391 [2021-06-05 15:18:43,838 INFO L226 Difference]: Without dead ends: 8352 [2021-06-05 15:18:43,839 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2476 ImplicationChecksByTransitivity, 1053.2ms TimeCoverageRelationStatistics Valid=1507, Invalid=5465, Unknown=0, NotChecked=0, Total=6972 [2021-06-05 15:18:43,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8352 states. [2021-06-05 15:18:43,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8352 to 7183. [2021-06-05 15:18:43,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7183 states, 7182 states have (on average 2.532442216652743) internal successors, (18188), 7182 states have internal predecessors, (18188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:43,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7183 states to 7183 states and 18188 transitions. [2021-06-05 15:18:43,920 INFO L78 Accepts]: Start accepts. Automaton has 7183 states and 18188 transitions. Word has length 36 [2021-06-05 15:18:43,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:18:43,920 INFO L482 AbstractCegarLoop]: Abstraction has 7183 states and 18188 transitions. [2021-06-05 15:18:43,920 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 2.423076923076923) internal successors, (63), 25 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:43,920 INFO L276 IsEmpty]: Start isEmpty. Operand 7183 states and 18188 transitions. [2021-06-05 15:18:43,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 15:18:43,924 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:18:43,924 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:18:44,124 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 92 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable745 [2021-06-05 15:18:44,125 INFO L430 AbstractCegarLoop]: === Iteration 97 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:18:44,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:18:44,125 INFO L82 PathProgramCache]: Analyzing trace with hash -795539850, now seen corresponding path program 92 times [2021-06-05 15:18:44,125 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:18:44,125 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916155309] [2021-06-05 15:18:44,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:18:44,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:18:44,192 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 21 proven. 39 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:18:44,192 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:18:44,192 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916155309] [2021-06-05 15:18:44,192 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916155309] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:44,192 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1275436315] [2021-06-05 15:18:44,192 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 93 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 93 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:18:44,216 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 15:18:44,216 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:18:44,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-05 15:18:44,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:18:44,414 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 20 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:18:44,414 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1275436315] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:44,414 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:18:44,414 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15] total 25 [2021-06-05 15:18:44,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118809238] [2021-06-05 15:18:44,414 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-06-05 15:18:44,414 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:18:44,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-06-05 15:18:44,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=536, Unknown=0, NotChecked=0, Total=650 [2021-06-05 15:18:44,415 INFO L87 Difference]: Start difference. First operand 7183 states and 18188 transitions. Second operand has 26 states, 26 states have (on average 2.5) internal successors, (65), 25 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:46,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:18:46,132 INFO L93 Difference]: Finished difference Result 11937 states and 29010 transitions. [2021-06-05 15:18:46,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-06-05 15:18:46,132 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 2.5) internal successors, (65), 25 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-06-05 15:18:46,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:18:46,142 INFO L225 Difference]: With dead ends: 11937 [2021-06-05 15:18:46,142 INFO L226 Difference]: Without dead ends: 11937 [2021-06-05 15:18:46,143 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4334 ImplicationChecksByTransitivity, 1508.9ms TimeCoverageRelationStatistics Valid=3216, Invalid=8340, Unknown=0, NotChecked=0, Total=11556 [2021-06-05 15:18:46,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11937 states. [2021-06-05 15:18:46,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11937 to 8770. [2021-06-05 15:18:46,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8770 states, 8769 states have (on average 2.5070133424563803) internal successors, (21984), 8769 states have internal predecessors, (21984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:46,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8770 states to 8770 states and 21984 transitions. [2021-06-05 15:18:46,254 INFO L78 Accepts]: Start accepts. Automaton has 8770 states and 21984 transitions. Word has length 36 [2021-06-05 15:18:46,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:18:46,254 INFO L482 AbstractCegarLoop]: Abstraction has 8770 states and 21984 transitions. [2021-06-05 15:18:46,254 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 2.5) internal successors, (65), 25 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:46,254 INFO L276 IsEmpty]: Start isEmpty. Operand 8770 states and 21984 transitions. [2021-06-05 15:18:46,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 15:18:46,259 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:18:46,259 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:18:46,459 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable746,93 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:18:46,459 INFO L430 AbstractCegarLoop]: === Iteration 98 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:18:46,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:18:46,459 INFO L82 PathProgramCache]: Analyzing trace with hash 290495666, now seen corresponding path program 93 times [2021-06-05 15:18:46,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:18:46,459 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084522627] [2021-06-05 15:18:46,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:18:46,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:18:46,521 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 27 proven. 33 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:18:46,521 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:18:46,521 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084522627] [2021-06-05 15:18:46,521 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084522627] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:46,521 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1227485614] [2021-06-05 15:18:46,521 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 94 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 94 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:18:46,547 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-06-05 15:18:46,547 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:18:46,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-05 15:18:46,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:18:46,761 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 24 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:18:46,761 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1227485614] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:46,761 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:18:46,761 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 15] total 24 [2021-06-05 15:18:46,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228920653] [2021-06-05 15:18:46,762 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-05 15:18:46,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:18:46,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-05 15:18:46,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=482, Unknown=0, NotChecked=0, Total=600 [2021-06-05 15:18:46,762 INFO L87 Difference]: Start difference. First operand 8770 states and 21984 transitions. Second operand has 25 states, 25 states have (on average 2.52) internal successors, (63), 24 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:47,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:18:47,834 INFO L93 Difference]: Finished difference Result 9544 states and 23558 transitions. [2021-06-05 15:18:47,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-06-05 15:18:47,834 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 2.52) internal successors, (63), 24 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-06-05 15:18:47,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:18:47,843 INFO L225 Difference]: With dead ends: 9544 [2021-06-05 15:18:47,843 INFO L226 Difference]: Without dead ends: 9526 [2021-06-05 15:18:47,844 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2221 ImplicationChecksByTransitivity, 970.5ms TimeCoverageRelationStatistics Valid=1407, Invalid=4913, Unknown=0, NotChecked=0, Total=6320 [2021-06-05 15:18:47,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9526 states. [2021-06-05 15:18:47,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9526 to 8902. [2021-06-05 15:18:47,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8902 states, 8901 states have (on average 2.510055049994383) internal successors, (22342), 8901 states have internal predecessors, (22342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:47,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8902 states to 8902 states and 22342 transitions. [2021-06-05 15:18:47,946 INFO L78 Accepts]: Start accepts. Automaton has 8902 states and 22342 transitions. Word has length 36 [2021-06-05 15:18:47,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:18:47,946 INFO L482 AbstractCegarLoop]: Abstraction has 8902 states and 22342 transitions. [2021-06-05 15:18:47,946 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.52) internal successors, (63), 24 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:47,946 INFO L276 IsEmpty]: Start isEmpty. Operand 8902 states and 22342 transitions. [2021-06-05 15:18:47,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 15:18:47,951 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:18:47,951 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:18:48,151 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 94 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable747 [2021-06-05 15:18:48,151 INFO L430 AbstractCegarLoop]: === Iteration 99 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:18:48,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:18:48,152 INFO L82 PathProgramCache]: Analyzing trace with hash 766378614, now seen corresponding path program 94 times [2021-06-05 15:18:48,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:18:48,152 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252088244] [2021-06-05 15:18:48,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:18:48,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:18:48,217 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 20 proven. 40 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:18:48,218 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:18:48,218 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252088244] [2021-06-05 15:18:48,218 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252088244] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:48,218 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2074755953] [2021-06-05 15:18:48,218 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 95 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 95 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:18:48,276 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 15:18:48,276 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:18:48,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-05 15:18:48,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:18:48,473 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 20 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:18:48,474 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2074755953] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:48,474 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:18:48,474 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 15] total 24 [2021-06-05 15:18:48,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821259903] [2021-06-05 15:18:48,474 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-05 15:18:48,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:18:48,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-05 15:18:48,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=489, Unknown=0, NotChecked=0, Total=600 [2021-06-05 15:18:48,474 INFO L87 Difference]: Start difference. First operand 8902 states and 22342 transitions. Second operand has 25 states, 25 states have (on average 2.64) internal successors, (66), 24 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:50,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:18:50,206 INFO L93 Difference]: Finished difference Result 15319 states and 37889 transitions. [2021-06-05 15:18:50,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-06-05 15:18:50,207 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 2.64) internal successors, (66), 24 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-06-05 15:18:50,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:18:50,221 INFO L225 Difference]: With dead ends: 15319 [2021-06-05 15:18:50,222 INFO L226 Difference]: Without dead ends: 15319 [2021-06-05 15:18:50,223 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4780 ImplicationChecksByTransitivity, 1510.8ms TimeCoverageRelationStatistics Valid=3440, Invalid=8770, Unknown=0, NotChecked=0, Total=12210 [2021-06-05 15:18:50,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15319 states. [2021-06-05 15:18:50,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15319 to 13330. [2021-06-05 15:18:50,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13330 states, 13329 states have (on average 2.5292219971490733) internal successors, (33712), 13329 states have internal predecessors, (33712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:50,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13330 states to 13330 states and 33712 transitions. [2021-06-05 15:18:50,454 INFO L78 Accepts]: Start accepts. Automaton has 13330 states and 33712 transitions. Word has length 36 [2021-06-05 15:18:50,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:18:50,455 INFO L482 AbstractCegarLoop]: Abstraction has 13330 states and 33712 transitions. [2021-06-05 15:18:50,455 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.64) internal successors, (66), 24 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:50,455 INFO L276 IsEmpty]: Start isEmpty. Operand 13330 states and 33712 transitions. [2021-06-05 15:18:50,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 15:18:50,462 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:18:50,462 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:18:50,662 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable748,95 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:18:50,662 INFO L430 AbstractCegarLoop]: === Iteration 100 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:18:50,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:18:50,663 INFO L82 PathProgramCache]: Analyzing trace with hash -1179642020, now seen corresponding path program 95 times [2021-06-05 15:18:50,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:18:50,663 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855422612] [2021-06-05 15:18:50,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:18:50,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:18:50,725 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 31 proven. 29 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:18:50,725 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:18:50,726 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855422612] [2021-06-05 15:18:50,726 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855422612] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:50,726 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2032595010] [2021-06-05 15:18:50,726 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 96 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 96 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:18:50,769 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-06-05 15:18:50,769 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:18:50,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-05 15:18:50,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:18:50,982 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 27 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:18:50,982 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2032595010] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:50,982 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:18:50,982 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 15] total 23 [2021-06-05 15:18:50,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139153991] [2021-06-05 15:18:50,982 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-05 15:18:50,982 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:18:50,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-05 15:18:50,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=443, Unknown=0, NotChecked=0, Total=552 [2021-06-05 15:18:50,983 INFO L87 Difference]: Start difference. First operand 13330 states and 33712 transitions. Second operand has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:52,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:18:52,096 INFO L93 Difference]: Finished difference Result 14924 states and 36958 transitions. [2021-06-05 15:18:52,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-05 15:18:52,096 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-06-05 15:18:52,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:18:52,111 INFO L225 Difference]: With dead ends: 14924 [2021-06-05 15:18:52,111 INFO L226 Difference]: Without dead ends: 14920 [2021-06-05 15:18:52,112 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2102 ImplicationChecksByTransitivity, 975.9ms TimeCoverageRelationStatistics Valid=1750, Invalid=4570, Unknown=0, NotChecked=0, Total=6320 [2021-06-05 15:18:52,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14920 states. [2021-06-05 15:18:52,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14920 to 13086. [2021-06-05 15:18:52,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13086 states, 13085 states have (on average 2.525792892625143) internal successors, (33050), 13085 states have internal predecessors, (33050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:52,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13086 states to 13086 states and 33050 transitions. [2021-06-05 15:18:52,292 INFO L78 Accepts]: Start accepts. Automaton has 13086 states and 33050 transitions. Word has length 36 [2021-06-05 15:18:52,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:18:52,292 INFO L482 AbstractCegarLoop]: Abstraction has 13086 states and 33050 transitions. [2021-06-05 15:18:52,293 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:52,293 INFO L276 IsEmpty]: Start isEmpty. Operand 13086 states and 33050 transitions. [2021-06-05 15:18:52,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 15:18:52,299 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:18:52,299 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:18:52,500 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable749,96 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:18:52,500 INFO L430 AbstractCegarLoop]: === Iteration 101 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:18:52,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:18:52,500 INFO L82 PathProgramCache]: Analyzing trace with hash -1685988286, now seen corresponding path program 96 times [2021-06-05 15:18:52,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:18:52,500 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351384823] [2021-06-05 15:18:52,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:18:52,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:18:52,579 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 26 proven. 34 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:18:52,579 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:18:52,579 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351384823] [2021-06-05 15:18:52,579 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351384823] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:52,579 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [107961468] [2021-06-05 15:18:52,579 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 97 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 97 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:18:52,604 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-05 15:18:52,605 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:18:52,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-05 15:18:52,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:18:52,803 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 23 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:18:52,803 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [107961468] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:52,803 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:18:52,803 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 15] total 24 [2021-06-05 15:18:52,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460562384] [2021-06-05 15:18:52,803 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-05 15:18:52,803 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:18:52,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-05 15:18:52,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=491, Unknown=0, NotChecked=0, Total=600 [2021-06-05 15:18:52,803 INFO L87 Difference]: Start difference. First operand 13086 states and 33050 transitions. Second operand has 25 states, 25 states have (on average 2.48) internal successors, (62), 24 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:53,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:18:53,878 INFO L93 Difference]: Finished difference Result 15282 states and 37884 transitions. [2021-06-05 15:18:53,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-06-05 15:18:53,878 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 2.48) internal successors, (62), 24 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-06-05 15:18:53,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:18:53,893 INFO L225 Difference]: With dead ends: 15282 [2021-06-05 15:18:53,893 INFO L226 Difference]: Without dead ends: 15270 [2021-06-05 15:18:53,894 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2023 ImplicationChecksByTransitivity, 951.6ms TimeCoverageRelationStatistics Valid=1595, Invalid=4567, Unknown=0, NotChecked=0, Total=6162 [2021-06-05 15:18:53,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15270 states. [2021-06-05 15:18:54,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15270 to 13017. [2021-06-05 15:18:54,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13017 states, 13016 states have (on average 2.528272894898586) internal successors, (32908), 13016 states have internal predecessors, (32908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:54,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13017 states to 13017 states and 32908 transitions. [2021-06-05 15:18:54,093 INFO L78 Accepts]: Start accepts. Automaton has 13017 states and 32908 transitions. Word has length 36 [2021-06-05 15:18:54,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:18:54,094 INFO L482 AbstractCegarLoop]: Abstraction has 13017 states and 32908 transitions. [2021-06-05 15:18:54,094 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.48) internal successors, (62), 24 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:54,094 INFO L276 IsEmpty]: Start isEmpty. Operand 13017 states and 32908 transitions. [2021-06-05 15:18:54,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 15:18:54,100 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:18:54,100 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:18:54,301 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 97 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable750 [2021-06-05 15:18:54,301 INFO L430 AbstractCegarLoop]: === Iteration 102 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:18:54,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:18:54,301 INFO L82 PathProgramCache]: Analyzing trace with hash -1913209666, now seen corresponding path program 97 times [2021-06-05 15:18:54,301 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:18:54,301 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804443194] [2021-06-05 15:18:54,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:18:54,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:18:54,372 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 21 proven. 39 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:18:54,373 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:18:54,373 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804443194] [2021-06-05 15:18:54,373 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804443194] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:54,373 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [582121348] [2021-06-05 15:18:54,373 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 98 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 98 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:18:54,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:18:54,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-05 15:18:54,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:18:54,599 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 19 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:18:54,599 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [582121348] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:54,599 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:18:54,599 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15] total 25 [2021-06-05 15:18:54,599 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424834776] [2021-06-05 15:18:54,599 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-06-05 15:18:54,599 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:18:54,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-06-05 15:18:54,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=536, Unknown=0, NotChecked=0, Total=650 [2021-06-05 15:18:54,600 INFO L87 Difference]: Start difference. First operand 13017 states and 32908 transitions. Second operand has 26 states, 26 states have (on average 2.3846153846153846) internal successors, (62), 25 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:55,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:18:55,646 INFO L93 Difference]: Finished difference Result 16039 states and 39737 transitions. [2021-06-05 15:18:55,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-06-05 15:18:55,646 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 2.3846153846153846) internal successors, (62), 25 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-06-05 15:18:55,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:18:55,662 INFO L225 Difference]: With dead ends: 16039 [2021-06-05 15:18:55,662 INFO L226 Difference]: Without dead ends: 16019 [2021-06-05 15:18:55,663 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2051 ImplicationChecksByTransitivity, 942.6ms TimeCoverageRelationStatistics Valid=1551, Invalid=4769, Unknown=0, NotChecked=0, Total=6320 [2021-06-05 15:18:55,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16019 states. [2021-06-05 15:18:55,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16019 to 13397. [2021-06-05 15:18:55,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13397 states, 13396 states have (on average 2.5326216781128696) internal successors, (33927), 13396 states have internal predecessors, (33927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:55,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13397 states to 13397 states and 33927 transitions. [2021-06-05 15:18:55,901 INFO L78 Accepts]: Start accepts. Automaton has 13397 states and 33927 transitions. Word has length 36 [2021-06-05 15:18:55,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:18:55,901 INFO L482 AbstractCegarLoop]: Abstraction has 13397 states and 33927 transitions. [2021-06-05 15:18:55,901 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 2.3846153846153846) internal successors, (62), 25 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:55,902 INFO L276 IsEmpty]: Start isEmpty. Operand 13397 states and 33927 transitions. [2021-06-05 15:18:55,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 15:18:55,907 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:18:55,907 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:18:56,108 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 98 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable751 [2021-06-05 15:18:56,108 INFO L430 AbstractCegarLoop]: === Iteration 103 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:18:56,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:18:56,108 INFO L82 PathProgramCache]: Analyzing trace with hash -1229623750, now seen corresponding path program 98 times [2021-06-05 15:18:56,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:18:56,108 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963721007] [2021-06-05 15:18:56,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:18:56,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:18:56,183 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 20 proven. 40 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:18:56,183 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:18:56,183 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963721007] [2021-06-05 15:18:56,183 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963721007] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:56,183 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1345055187] [2021-06-05 15:18:56,183 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 99 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 99 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:18:56,207 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 15:18:56,208 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:18:56,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-05 15:18:56,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:18:56,410 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 19 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:18:56,410 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1345055187] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:56,411 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:18:56,411 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15] total 26 [2021-06-05 15:18:56,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934495545] [2021-06-05 15:18:56,411 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-05 15:18:56,411 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:18:56,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-05 15:18:56,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=579, Unknown=0, NotChecked=0, Total=702 [2021-06-05 15:18:56,411 INFO L87 Difference]: Start difference. First operand 13397 states and 33927 transitions. Second operand has 27 states, 27 states have (on average 2.2962962962962963) internal successors, (62), 26 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:57,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:18:57,534 INFO L93 Difference]: Finished difference Result 17468 states and 43250 transitions. [2021-06-05 15:18:57,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-05 15:18:57,534 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 2.2962962962962963) internal successors, (62), 26 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-06-05 15:18:57,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:18:57,551 INFO L225 Difference]: With dead ends: 17468 [2021-06-05 15:18:57,552 INFO L226 Difference]: Without dead ends: 17440 [2021-06-05 15:18:57,552 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2204 ImplicationChecksByTransitivity, 1009.8ms TimeCoverageRelationStatistics Valid=1619, Invalid=5187, Unknown=0, NotChecked=0, Total=6806 [2021-06-05 15:18:57,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17440 states. [2021-06-05 15:18:57,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17440 to 15583. [2021-06-05 15:18:57,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15583 states, 15582 states have (on average 2.5360672570915157) internal successors, (39517), 15582 states have internal predecessors, (39517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:57,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15583 states to 15583 states and 39517 transitions. [2021-06-05 15:18:57,780 INFO L78 Accepts]: Start accepts. Automaton has 15583 states and 39517 transitions. Word has length 36 [2021-06-05 15:18:57,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:18:57,780 INFO L482 AbstractCegarLoop]: Abstraction has 15583 states and 39517 transitions. [2021-06-05 15:18:57,780 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 2.2962962962962963) internal successors, (62), 26 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:57,780 INFO L276 IsEmpty]: Start isEmpty. Operand 15583 states and 39517 transitions. [2021-06-05 15:18:57,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 15:18:57,788 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:18:57,788 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:18:57,988 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable752,99 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:18:57,988 INFO L430 AbstractCegarLoop]: === Iteration 104 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:18:57,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:18:57,989 INFO L82 PathProgramCache]: Analyzing trace with hash -1433554762, now seen corresponding path program 99 times [2021-06-05 15:18:57,989 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:18:57,989 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788173022] [2021-06-05 15:18:57,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:18:57,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:18:58,070 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 23 proven. 37 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:18:58,070 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:18:58,070 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788173022] [2021-06-05 15:18:58,070 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788173022] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:58,070 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2139825990] [2021-06-05 15:18:58,070 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 100 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 100 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:18:58,095 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-06-05 15:18:58,095 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:18:58,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-05 15:18:58,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:18:58,304 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 23 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:18:58,304 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2139825990] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:18:58,305 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:18:58,305 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 27 [2021-06-05 15:18:58,305 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754143110] [2021-06-05 15:18:58,305 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 15:18:58,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:18:58,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 15:18:58,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=620, Unknown=0, NotChecked=0, Total=756 [2021-06-05 15:18:58,305 INFO L87 Difference]: Start difference. First operand 15583 states and 39517 transitions. Second operand has 28 states, 28 states have (on average 2.2142857142857144) internal successors, (62), 27 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:59,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:18:59,594 INFO L93 Difference]: Finished difference Result 20026 states and 49571 transitions. [2021-06-05 15:18:59,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-06-05 15:18:59,594 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 2.2142857142857144) internal successors, (62), 27 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-06-05 15:18:59,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:18:59,615 INFO L225 Difference]: With dead ends: 20026 [2021-06-05 15:18:59,615 INFO L226 Difference]: Without dead ends: 19990 [2021-06-05 15:18:59,615 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2515 ImplicationChecksByTransitivity, 1150.9ms TimeCoverageRelationStatistics Valid=1799, Invalid=5857, Unknown=0, NotChecked=0, Total=7656 [2021-06-05 15:18:59,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19990 states. [2021-06-05 15:18:59,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19990 to 17983. [2021-06-05 15:18:59,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17983 states, 17982 states have (on average 2.533644755866978) internal successors, (45560), 17982 states have internal predecessors, (45560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:59,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17983 states to 17983 states and 45560 transitions. [2021-06-05 15:18:59,891 INFO L78 Accepts]: Start accepts. Automaton has 17983 states and 45560 transitions. Word has length 36 [2021-06-05 15:18:59,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:18:59,891 INFO L482 AbstractCegarLoop]: Abstraction has 17983 states and 45560 transitions. [2021-06-05 15:18:59,891 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 2.2142857142857144) internal successors, (62), 27 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:18:59,891 INFO L276 IsEmpty]: Start isEmpty. Operand 17983 states and 45560 transitions. [2021-06-05 15:18:59,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 15:18:59,900 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:18:59,900 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:19:00,115 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 100 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable753 [2021-06-05 15:19:00,116 INFO L430 AbstractCegarLoop]: === Iteration 105 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:19:00,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:19:00,116 INFO L82 PathProgramCache]: Analyzing trace with hash 157238322, now seen corresponding path program 100 times [2021-06-05 15:19:00,116 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:19:00,116 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221724978] [2021-06-05 15:19:00,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:19:00,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:19:00,203 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 31 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:19:00,203 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:19:00,203 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221724978] [2021-06-05 15:19:00,203 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221724978] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:19:00,203 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1697572106] [2021-06-05 15:19:00,203 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 101 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 101 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:19:00,226 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 15:19:00,227 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:19:00,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-05 15:19:00,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:19:00,440 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 31 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:19:00,440 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1697572106] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:19:00,440 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:19:00,441 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2021-06-05 15:19:00,441 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118654025] [2021-06-05 15:19:00,441 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-05 15:19:00,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:19:00,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-05 15:19:00,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=659, Unknown=0, NotChecked=0, Total=812 [2021-06-05 15:19:00,441 INFO L87 Difference]: Start difference. First operand 17983 states and 45560 transitions. Second operand has 29 states, 29 states have (on average 2.1379310344827585) internal successors, (62), 28 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:19:01,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:19:01,771 INFO L93 Difference]: Finished difference Result 19957 states and 49654 transitions. [2021-06-05 15:19:01,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-06-05 15:19:01,771 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 2.1379310344827585) internal successors, (62), 28 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-06-05 15:19:01,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:19:01,791 INFO L225 Difference]: With dead ends: 19957 [2021-06-05 15:19:01,792 INFO L226 Difference]: Without dead ends: 19913 [2021-06-05 15:19:01,792 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3033 ImplicationChecksByTransitivity, 1262.3ms TimeCoverageRelationStatistics Valid=2089, Invalid=6841, Unknown=0, NotChecked=0, Total=8930 [2021-06-05 15:19:01,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19913 states. [2021-06-05 15:19:01,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19913 to 18106. [2021-06-05 15:19:02,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18106 states, 18105 states have (on average 2.5389671361502346) internal successors, (45968), 18105 states have internal predecessors, (45968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:19:02,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18106 states to 18106 states and 45968 transitions. [2021-06-05 15:19:02,031 INFO L78 Accepts]: Start accepts. Automaton has 18106 states and 45968 transitions. Word has length 36 [2021-06-05 15:19:02,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:19:02,031 INFO L482 AbstractCegarLoop]: Abstraction has 18106 states and 45968 transitions. [2021-06-05 15:19:02,031 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 2.1379310344827585) internal successors, (62), 28 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:19:02,031 INFO L276 IsEmpty]: Start isEmpty. Operand 18106 states and 45968 transitions. [2021-06-05 15:19:02,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-06-05 15:19:02,041 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:19:02,041 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:19:02,242 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable754,101 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:19:02,243 INFO L430 AbstractCegarLoop]: === Iteration 106 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:19:02,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:19:02,243 INFO L82 PathProgramCache]: Analyzing trace with hash -380198988, now seen corresponding path program 101 times [2021-06-05 15:19:02,243 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:19:02,243 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50665104] [2021-06-05 15:19:02,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:19:02,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:19:02,282 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:19:02,282 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:19:02,282 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50665104] [2021-06-05 15:19:02,282 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50665104] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:19:02,282 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1358077484] [2021-06-05 15:19:02,282 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 102 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 102 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:19:02,308 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-06-05 15:19:02,308 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:19:02,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 43 conjunts are in the unsatisfiable core [2021-06-05 15:19:02,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:19:02,529 INFO L354 Elim1Store]: treesize reduction 96, result has 43.2 percent of original size [2021-06-05 15:19:02,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 163 treesize of output 143 [2021-06-05 15:19:03,265 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:19:03,298 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:19:03,640 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:19:03,640 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:163, output treesize:285 [2021-06-05 15:19:04,373 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2021-06-05 15:19:04,488 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 181 [2021-06-05 15:19:06,287 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2021-06-05 15:19:06,404 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 181 [2021-06-05 15:19:08,672 WARN L205 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 48 [2021-06-05 15:19:08,986 INFO L354 Elim1Store]: treesize reduction 101, result has 16.5 percent of original size [2021-06-05 15:19:08,987 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 156 treesize of output 76 [2021-06-05 15:19:08,988 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:19:09,091 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 85 [2021-06-05 15:19:09,092 INFO L628 ElimStorePlain]: treesize reduction 440, result has 43.3 percent of original size [2021-06-05 15:19:09,129 INFO L354 Elim1Store]: treesize reduction 94, result has 22.3 percent of original size [2021-06-05 15:19:09,129 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 62 treesize of output 55 [2021-06-05 15:19:09,130 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:19:09,162 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:19:09,187 INFO L354 Elim1Store]: treesize reduction 111, result has 8.3 percent of original size [2021-06-05 15:19:09,187 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 75 treesize of output 41 [2021-06-05 15:19:09,188 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:19:09,216 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:19:09,242 INFO L354 Elim1Store]: treesize reduction 108, result has 10.7 percent of original size [2021-06-05 15:19:09,242 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 55 treesize of output 40 [2021-06-05 15:19:09,243 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:19:09,268 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:19:09,297 INFO L354 Elim1Store]: treesize reduction 103, result has 14.9 percent of original size [2021-06-05 15:19:09,297 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 54 treesize of output 46 [2021-06-05 15:19:09,298 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 15:19:09,320 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:19:09,378 INFO L354 Elim1Store]: treesize reduction 60, result has 50.4 percent of original size [2021-06-05 15:19:09,378 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 81 treesize of output 102 [2021-06-05 15:19:09,381 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 15:19:09,388 INFO L628 ElimStorePlain]: treesize reduction 38, result has 7.3 percent of original size [2021-06-05 15:19:09,388 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 6 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:19:09,389 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 12 variables, input treesize:920, output treesize:3 [2021-06-05 15:19:09,393 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:19:09,393 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1358077484] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:19:09,393 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:19:09,393 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 14] total 20 [2021-06-05 15:19:09,393 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330594935] [2021-06-05 15:19:09,394 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-05 15:19:09,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:19:09,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-05 15:19:09,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2021-06-05 15:19:09,394 INFO L87 Difference]: Start difference. First operand 18106 states and 45968 transitions. Second operand has 20 states, 20 states have (on average 3.2) internal successors, (64), 20 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:19:09,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:19:09,922 INFO L93 Difference]: Finished difference Result 20298 states and 51395 transitions. [2021-06-05 15:19:09,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-05 15:19:09,922 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 3.2) internal successors, (64), 20 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-06-05 15:19:09,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:19:09,945 INFO L225 Difference]: With dead ends: 20298 [2021-06-05 15:19:09,945 INFO L226 Difference]: Without dead ends: 20291 [2021-06-05 15:19:09,945 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 32 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 3447.9ms TimeCoverageRelationStatistics Valid=65, Invalid=441, Unknown=0, NotChecked=0, Total=506 [2021-06-05 15:19:09,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20291 states. [2021-06-05 15:19:10,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20291 to 19572. [2021-06-05 15:19:10,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19572 states, 19571 states have (on average 2.545552092381585) internal successors, (49819), 19571 states have internal predecessors, (49819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:19:10,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19572 states to 19572 states and 49819 transitions. [2021-06-05 15:19:10,241 INFO L78 Accepts]: Start accepts. Automaton has 19572 states and 49819 transitions. Word has length 38 [2021-06-05 15:19:10,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:19:10,241 INFO L482 AbstractCegarLoop]: Abstraction has 19572 states and 49819 transitions. [2021-06-05 15:19:10,241 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 3.2) internal successors, (64), 20 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:19:10,241 INFO L276 IsEmpty]: Start isEmpty. Operand 19572 states and 49819 transitions. [2021-06-05 15:19:10,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-06-05 15:19:10,251 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:19:10,252 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:19:10,453 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 102 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable755 [2021-06-05 15:19:10,453 INFO L430 AbstractCegarLoop]: === Iteration 107 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:19:10,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:19:10,454 INFO L82 PathProgramCache]: Analyzing trace with hash 1616439732, now seen corresponding path program 102 times [2021-06-05 15:19:10,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:19:10,454 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79925838] [2021-06-05 15:19:10,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:19:10,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:19:10,488 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 15:19:10,489 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:19:10,489 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79925838] [2021-06-05 15:19:10,489 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79925838] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:19:10,489 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [450677488] [2021-06-05 15:19:10,489 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 103 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 103 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:19:10,514 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-06-05 15:19:10,515 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:19:10,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 47 conjunts are in the unsatisfiable core [2021-06-05 15:19:10,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:19:10,751 INFO L446 ElimStorePlain]: Different costs {15=[f], 55=[f_inv]} [2021-06-05 15:19:10,807 INFO L354 Elim1Store]: treesize reduction 48, result has 60.3 percent of original size [2021-06-05 15:19:10,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 201 treesize of output 158 [2021-06-05 15:19:12,573 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:19:12,605 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:19:12,650 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:19:12,650 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 307 treesize of output 214 [2021-06-05 15:19:12,762 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:19:12,763 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:19:12,763 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:19:12,763 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:201, output treesize:3 [2021-06-05 15:19:12,771 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:19:12,771 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [450677488] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:19:12,771 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:19:12,771 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 14] total 20 [2021-06-05 15:19:12,771 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989390090] [2021-06-05 15:19:12,771 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-05 15:19:12,771 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:19:12,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-05 15:19:12,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2021-06-05 15:19:12,771 INFO L87 Difference]: Start difference. First operand 19572 states and 49819 transitions. Second operand has 20 states, 20 states have (on average 3.05) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:19:12,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:19:12,979 INFO L93 Difference]: Finished difference Result 20658 states and 52485 transitions. [2021-06-05 15:19:12,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-05 15:19:12,980 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 3.05) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-06-05 15:19:12,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:19:13,001 INFO L225 Difference]: With dead ends: 20658 [2021-06-05 15:19:13,002 INFO L226 Difference]: Without dead ends: 20649 [2021-06-05 15:19:13,002 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 218.3ms TimeCoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2021-06-05 15:19:13,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20649 states. [2021-06-05 15:19:13,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20649 to 20358. [2021-06-05 15:19:13,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20358 states, 20357 states have (on average 2.5531758117600827) internal successors, (51975), 20357 states have internal predecessors, (51975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:19:13,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20358 states to 20358 states and 51975 transitions. [2021-06-05 15:19:13,264 INFO L78 Accepts]: Start accepts. Automaton has 20358 states and 51975 transitions. Word has length 38 [2021-06-05 15:19:13,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:19:13,264 INFO L482 AbstractCegarLoop]: Abstraction has 20358 states and 51975 transitions. [2021-06-05 15:19:13,264 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 3.05) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:19:13,264 INFO L276 IsEmpty]: Start isEmpty. Operand 20358 states and 51975 transitions. [2021-06-05 15:19:13,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-06-05 15:19:13,274 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:19:13,274 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:19:13,476 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1616,103 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:19:13,477 INFO L430 AbstractCegarLoop]: === Iteration 108 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:19:13,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:19:13,477 INFO L82 PathProgramCache]: Analyzing trace with hash 945582004, now seen corresponding path program 103 times [2021-06-05 15:19:13,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:19:13,477 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355468020] [2021-06-05 15:19:13,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:19:13,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:19:13,511 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 15:19:13,512 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:19:13,512 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355468020] [2021-06-05 15:19:13,512 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355468020] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:19:13,512 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1281530692] [2021-06-05 15:19:13,512 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 104 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 104 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:19:13,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:19:13,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 39 conjunts are in the unsatisfiable core [2021-06-05 15:19:13,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:19:13,800 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 59 [2021-06-05 15:19:13,800 INFO L354 Elim1Store]: treesize reduction 301, result has 33.0 percent of original size [2021-06-05 15:19:13,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 14 new quantified variables, introduced 36 case distinctions, treesize of input 158 treesize of output 200 [2021-06-05 15:19:13,803 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:19:13,833 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:19:13,834 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:19:13,834 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:158, output treesize:232 [2021-06-05 15:19:13,896 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2021-06-05 15:19:14,078 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 42 [2021-06-05 15:19:14,096 INFO L446 ElimStorePlain]: Different costs {3=[v_prenex_87], 6=[v_prenex_88], 10=[f], 15=[v_prenex_89]} [2021-06-05 15:19:14,107 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:19:14,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 37 [2021-06-05 15:19:14,112 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:19:14,119 INFO L628 ElimStorePlain]: treesize reduction 180, result has 1.6 percent of original size [2021-06-05 15:19:14,119 INFO L518 ElimStorePlain]: Eliminatee v_prenex_88 vanished before elimination [2021-06-05 15:19:14,119 INFO L518 ElimStorePlain]: Eliminatee f vanished before elimination [2021-06-05 15:19:14,119 INFO L518 ElimStorePlain]: Eliminatee v_prenex_89 vanished before elimination [2021-06-05 15:19:14,119 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:19:14,119 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:199, output treesize:3 [2021-06-05 15:19:14,128 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:19:14,128 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1281530692] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:19:14,128 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:19:14,128 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 14] total 20 [2021-06-05 15:19:14,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644412780] [2021-06-05 15:19:14,129 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-05 15:19:14,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:19:14,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-05 15:19:14,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-06-05 15:19:14,129 INFO L87 Difference]: Start difference. First operand 20358 states and 51975 transitions. Second operand has 20 states, 20 states have (on average 3.05) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:19:14,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:19:14,411 INFO L93 Difference]: Finished difference Result 21714 states and 55240 transitions. [2021-06-05 15:19:14,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-05 15:19:14,412 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 3.05) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-06-05 15:19:14,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:19:14,436 INFO L225 Difference]: With dead ends: 21714 [2021-06-05 15:19:14,436 INFO L226 Difference]: Without dead ends: 21689 [2021-06-05 15:19:14,436 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 341.8ms TimeCoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-06-05 15:19:14,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21689 states. [2021-06-05 15:19:14,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21689 to 20898. [2021-06-05 15:19:14,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20898 states, 20897 states have (on average 2.5599368330382353) internal successors, (53495), 20897 states have internal predecessors, (53495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:19:14,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20898 states to 20898 states and 53495 transitions. [2021-06-05 15:19:14,716 INFO L78 Accepts]: Start accepts. Automaton has 20898 states and 53495 transitions. Word has length 38 [2021-06-05 15:19:14,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:19:14,716 INFO L482 AbstractCegarLoop]: Abstraction has 20898 states and 53495 transitions. [2021-06-05 15:19:14,716 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 3.05) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:19:14,716 INFO L276 IsEmpty]: Start isEmpty. Operand 20898 states and 53495 transitions. [2021-06-05 15:19:14,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-06-05 15:19:14,728 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:19:14,728 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:19:14,928 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 104 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2397 [2021-06-05 15:19:14,928 INFO L430 AbstractCegarLoop]: === Iteration 109 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:19:14,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:19:14,928 INFO L82 PathProgramCache]: Analyzing trace with hash 496399796, now seen corresponding path program 104 times [2021-06-05 15:19:14,928 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:19:14,929 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271171044] [2021-06-05 15:19:14,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:19:14,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:19:15,046 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 15:19:15,046 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:19:15,046 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271171044] [2021-06-05 15:19:15,046 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271171044] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:19:15,046 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1863578573] [2021-06-05 15:19:15,046 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 105 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 105 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:19:15,083 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 15:19:15,084 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:19:15,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 39 conjunts are in the unsatisfiable core [2021-06-05 15:19:15,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:19:15,309 INFO L354 Elim1Store]: treesize reduction 186, result has 39.8 percent of original size [2021-06-05 15:19:15,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 13 new quantified variables, introduced 28 case distinctions, treesize of input 160 treesize of output 171 [2021-06-05 15:19:15,312 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:19:15,342 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:19:15,343 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:19:15,343 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:160, output treesize:186 [2021-06-05 15:19:15,421 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2021-06-05 15:19:15,596 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 42 [2021-06-05 15:19:15,667 INFO L446 ElimStorePlain]: Different costs {3=[v_prenex_90], 6=[v_prenex_92], 10=[f], 15=[v_prenex_91]} [2021-06-05 15:19:15,678 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:19:15,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 37 [2021-06-05 15:19:15,687 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:19:15,692 INFO L628 ElimStorePlain]: treesize reduction 162, result has 1.8 percent of original size [2021-06-05 15:19:15,692 INFO L518 ElimStorePlain]: Eliminatee v_prenex_92 vanished before elimination [2021-06-05 15:19:15,693 INFO L518 ElimStorePlain]: Eliminatee f vanished before elimination [2021-06-05 15:19:15,693 INFO L518 ElimStorePlain]: Eliminatee v_prenex_91 vanished before elimination [2021-06-05 15:19:15,693 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:19:15,693 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:181, output treesize:3 [2021-06-05 15:19:15,700 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:19:15,700 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1863578573] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:19:15,701 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:19:15,701 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 14] total 20 [2021-06-05 15:19:15,701 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354250603] [2021-06-05 15:19:15,701 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-05 15:19:15,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:19:15,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-05 15:19:15,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2021-06-05 15:19:15,701 INFO L87 Difference]: Start difference. First operand 20898 states and 53495 transitions. Second operand has 20 states, 20 states have (on average 3.05) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:19:15,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:19:15,965 INFO L93 Difference]: Finished difference Result 22481 states and 57375 transitions. [2021-06-05 15:19:15,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 15:19:15,965 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 3.05) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-06-05 15:19:15,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:19:15,990 INFO L225 Difference]: With dead ends: 22481 [2021-06-05 15:19:15,990 INFO L226 Difference]: Without dead ends: 22452 [2021-06-05 15:19:15,990 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 437.7ms TimeCoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2021-06-05 15:19:16,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22452 states. [2021-06-05 15:19:16,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22452 to 21528. [2021-06-05 15:19:16,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21528 states, 21527 states have (on average 2.5663585265016025) internal successors, (55246), 21527 states have internal predecessors, (55246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:19:16,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21528 states to 21528 states and 55246 transitions. [2021-06-05 15:19:16,295 INFO L78 Accepts]: Start accepts. Automaton has 21528 states and 55246 transitions. Word has length 38 [2021-06-05 15:19:16,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:19:16,295 INFO L482 AbstractCegarLoop]: Abstraction has 21528 states and 55246 transitions. [2021-06-05 15:19:16,295 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 3.05) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:19:16,296 INFO L276 IsEmpty]: Start isEmpty. Operand 21528 states and 55246 transitions. [2021-06-05 15:19:16,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-06-05 15:19:16,309 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:19:16,309 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:19:16,509 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 105 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2408 [2021-06-05 15:19:16,509 INFO L430 AbstractCegarLoop]: === Iteration 110 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:19:16,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:19:16,509 INFO L82 PathProgramCache]: Analyzing trace with hash -1670972492, now seen corresponding path program 105 times [2021-06-05 15:19:16,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:19:16,509 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598045966] [2021-06-05 15:19:16,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:19:16,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:19:16,545 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 15:19:16,545 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:19:16,545 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598045966] [2021-06-05 15:19:16,545 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598045966] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:19:16,545 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1441733354] [2021-06-05 15:19:16,545 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 106 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 106 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:19:16,574 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-06-05 15:19:16,574 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:19:16,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 45 conjunts are in the unsatisfiable core [2021-06-05 15:19:16,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:19:16,804 INFO L446 ElimStorePlain]: Different costs {28=[f_inv], 36=[f]} [2021-06-05 15:19:16,884 INFO L354 Elim1Store]: treesize reduction 167, result has 37.5 percent of original size [2021-06-05 15:19:16,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 14 new quantified variables, introduced 28 case distinctions, treesize of input 213 treesize of output 174 [2021-06-05 15:19:17,052 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:19:17,083 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:19:17,126 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:19:17,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 191 treesize of output 211 [2021-06-05 15:19:17,580 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:19:17,581 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:19:17,581 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:19:17,581 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:213, output treesize:3 [2021-06-05 15:19:17,589 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:19:17,589 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1441733354] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:19:17,589 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:19:17,590 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 14] total 20 [2021-06-05 15:19:17,590 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737226415] [2021-06-05 15:19:17,590 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-05 15:19:17,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:19:17,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-05 15:19:17,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2021-06-05 15:19:17,590 INFO L87 Difference]: Start difference. First operand 21528 states and 55246 transitions. Second operand has 20 states, 20 states have (on average 3.05) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:19:17,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:19:17,844 INFO L93 Difference]: Finished difference Result 23080 states and 59124 transitions. [2021-06-05 15:19:17,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-05 15:19:17,844 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 3.05) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-06-05 15:19:17,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:19:17,872 INFO L225 Difference]: With dead ends: 23080 [2021-06-05 15:19:17,872 INFO L226 Difference]: Without dead ends: 23054 [2021-06-05 15:19:17,872 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 213.1ms TimeCoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2021-06-05 15:19:17,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23054 states. [2021-06-05 15:19:18,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23054 to 22204. [2021-06-05 15:19:18,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22204 states, 22203 states have (on average 2.572535242985182) internal successors, (57118), 22203 states have internal predecessors, (57118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:19:18,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22204 states to 22204 states and 57118 transitions. [2021-06-05 15:19:18,193 INFO L78 Accepts]: Start accepts. Automaton has 22204 states and 57118 transitions. Word has length 38 [2021-06-05 15:19:18,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:19:18,193 INFO L482 AbstractCegarLoop]: Abstraction has 22204 states and 57118 transitions. [2021-06-05 15:19:18,193 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 3.05) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:19:18,193 INFO L276 IsEmpty]: Start isEmpty. Operand 22204 states and 57118 transitions. [2021-06-05 15:19:18,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-06-05 15:19:18,206 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:19:18,206 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:19:18,406 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 106 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2423 [2021-06-05 15:19:18,406 INFO L430 AbstractCegarLoop]: === Iteration 111 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:19:18,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:19:18,407 INFO L82 PathProgramCache]: Analyzing trace with hash -1456602700, now seen corresponding path program 106 times [2021-06-05 15:19:18,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:19:18,407 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057981320] [2021-06-05 15:19:18,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:19:18,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:19:18,443 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 15:19:18,443 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:19:18,443 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057981320] [2021-06-05 15:19:18,443 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057981320] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:19:18,443 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [595510771] [2021-06-05 15:19:18,443 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 107 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 107 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:19:18,468 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 15:19:18,468 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:19:18,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 39 conjunts are in the unsatisfiable core [2021-06-05 15:19:18,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:19:18,621 INFO L354 Elim1Store]: treesize reduction 48, result has 63.4 percent of original size [2021-06-05 15:19:18,621 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 140 treesize of output 129 [2021-06-05 15:19:18,623 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:19:18,655 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:19:18,656 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:19:18,656 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:140, output treesize:284 [2021-06-05 15:19:19,042 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2021-06-05 15:19:19,239 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 181 [2021-06-05 15:19:21,234 WARN L205 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 48 [2021-06-05 15:19:21,808 INFO L446 ElimStorePlain]: Different costs {10=[f], 15=[v_prenex_107, v_prenex_103, v_prenex_104, v_prenex_105, v_prenex_106]} [2021-06-05 15:19:21,816 INFO L354 Elim1Store]: treesize reduction 80, result has 1.2 percent of original size [2021-06-05 15:19:21,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 160 treesize of output 46 [2021-06-05 15:19:21,817 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:19:21,920 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 82 [2021-06-05 15:19:21,921 INFO L628 ElimStorePlain]: treesize reduction 447, result has 42.9 percent of original size [2021-06-05 15:19:21,949 INFO L354 Elim1Store]: treesize reduction 57, result has 29.6 percent of original size [2021-06-05 15:19:21,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 58 treesize of output 49 [2021-06-05 15:19:21,951 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:19:21,982 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:19:22,043 INFO L354 Elim1Store]: treesize reduction 60, result has 50.4 percent of original size [2021-06-05 15:19:22,044 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 10 new quantified variables, introduced 15 case distinctions, treesize of input 87 treesize of output 99 [2021-06-05 15:19:22,046 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:19:22,072 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:19:22,088 INFO L354 Elim1Store]: treesize reduction 74, result has 8.6 percent of original size [2021-06-05 15:19:22,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 71 treesize of output 35 [2021-06-05 15:19:22,089 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:19:22,111 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:19:22,146 INFO L354 Elim1Store]: treesize reduction 44, result has 45.7 percent of original size [2021-06-05 15:19:22,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 60 treesize of output 62 [2021-06-05 15:19:22,148 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 15:19:22,166 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:19:22,194 INFO L354 Elim1Store]: treesize reduction 103, result has 14.9 percent of original size [2021-06-05 15:19:22,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 52 treesize of output 43 [2021-06-05 15:19:22,195 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 15:19:22,210 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:19:22,212 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 6 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:19:22,212 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 12 variables, input treesize:936, output treesize:3 [2021-06-05 15:19:22,220 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:19:22,220 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [595510771] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:19:22,220 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:19:22,220 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 14] total 20 [2021-06-05 15:19:22,220 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841857490] [2021-06-05 15:19:22,220 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-05 15:19:22,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:19:22,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-05 15:19:22,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-06-05 15:19:22,220 INFO L87 Difference]: Start difference. First operand 22204 states and 57118 transitions. Second operand has 20 states, 20 states have (on average 3.05) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:19:22,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:19:22,831 INFO L93 Difference]: Finished difference Result 23947 states and 61327 transitions. [2021-06-05 15:19:22,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-05 15:19:22,831 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 3.05) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-06-05 15:19:22,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:19:22,860 INFO L225 Difference]: With dead ends: 23947 [2021-06-05 15:19:22,860 INFO L226 Difference]: Without dead ends: 23910 [2021-06-05 15:19:22,860 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 2054.0ms TimeCoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-06-05 15:19:22,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23910 states. [2021-06-05 15:19:23,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23910 to 22942. [2021-06-05 15:19:23,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22942 states, 22941 states have (on average 2.580489080685236) internal successors, (59199), 22941 states have internal predecessors, (59199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:19:23,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22942 states to 22942 states and 59199 transitions. [2021-06-05 15:19:23,212 INFO L78 Accepts]: Start accepts. Automaton has 22942 states and 59199 transitions. Word has length 38 [2021-06-05 15:19:23,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:19:23,212 INFO L482 AbstractCegarLoop]: Abstraction has 22942 states and 59199 transitions. [2021-06-05 15:19:23,212 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 3.05) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:19:23,212 INFO L276 IsEmpty]: Start isEmpty. Operand 22942 states and 59199 transitions. [2021-06-05 15:19:23,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-06-05 15:19:23,225 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:19:23,225 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:19:23,425 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2552,107 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:19:23,425 INFO L430 AbstractCegarLoop]: === Iteration 112 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:19:23,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:19:23,425 INFO L82 PathProgramCache]: Analyzing trace with hash -1605662796, now seen corresponding path program 107 times [2021-06-05 15:19:23,426 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:19:23,426 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059030777] [2021-06-05 15:19:23,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:19:23,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:19:23,461 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 15:19:23,462 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:19:23,462 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059030777] [2021-06-05 15:19:23,462 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059030777] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:19:23,462 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1726132765] [2021-06-05 15:19:23,462 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 108 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 108 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:19:23,488 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-06-05 15:19:23,489 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:19:23,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 39 conjunts are in the unsatisfiable core [2021-06-05 15:19:23,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:19:23,628 INFO L354 Elim1Store]: treesize reduction 48, result has 60.3 percent of original size [2021-06-05 15:19:23,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 118 treesize of output 121 [2021-06-05 15:19:23,631 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:19:23,662 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:19:23,663 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:19:23,663 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:118, output treesize:276 [2021-06-05 15:19:24,053 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2021-06-05 15:19:24,166 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 181 [2021-06-05 15:19:26,218 WARN L205 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 48 [2021-06-05 15:19:26,907 INFO L354 Elim1Store]: treesize reduction 118, result has 2.5 percent of original size [2021-06-05 15:19:26,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 153 treesize of output 57 [2021-06-05 15:19:26,909 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:19:27,012 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 83 [2021-06-05 15:19:27,013 INFO L628 ElimStorePlain]: treesize reduction 462, result has 40.3 percent of original size [2021-06-05 15:19:27,045 INFO L354 Elim1Store]: treesize reduction 103, result has 14.9 percent of original size [2021-06-05 15:19:27,046 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 54 treesize of output 46 [2021-06-05 15:19:27,047 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:19:27,080 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:19:27,186 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 22 [2021-06-05 15:19:27,187 INFO L354 Elim1Store]: treesize reduction 94, result has 22.3 percent of original size [2021-06-05 15:19:27,187 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 54 treesize of output 55 [2021-06-05 15:19:27,189 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:19:27,219 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:19:27,250 INFO L354 Elim1Store]: treesize reduction 108, result has 10.7 percent of original size [2021-06-05 15:19:27,250 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 59 treesize of output 40 [2021-06-05 15:19:27,251 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:19:27,279 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:19:27,328 INFO L354 Elim1Store]: treesize reduction 81, result has 33.1 percent of original size [2021-06-05 15:19:27,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 56 treesize of output 68 [2021-06-05 15:19:27,330 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 15:19:27,355 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:19:27,419 INFO L354 Elim1Store]: treesize reduction 60, result has 50.4 percent of original size [2021-06-05 15:19:27,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 81 treesize of output 102 [2021-06-05 15:19:27,423 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 15:19:27,431 INFO L628 ElimStorePlain]: treesize reduction 38, result has 7.3 percent of original size [2021-06-05 15:19:27,431 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 6 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:19:27,431 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 12 variables, input treesize:920, output treesize:3 [2021-06-05 15:19:27,440 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 15:19:27,440 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1726132765] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:19:27,440 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:19:27,440 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 14] total 20 [2021-06-05 15:19:27,440 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421501954] [2021-06-05 15:19:27,440 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-05 15:19:27,440 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:19:27,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-05 15:19:27,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-06-05 15:19:27,440 INFO L87 Difference]: Start difference. First operand 22942 states and 59199 transitions. Second operand has 20 states, 20 states have (on average 3.0) internal successors, (60), 20 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:19:28,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:19:28,006 INFO L93 Difference]: Finished difference Result 24204 states and 62062 transitions. [2021-06-05 15:19:28,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-05 15:19:28,006 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 3.0) internal successors, (60), 20 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-06-05 15:19:28,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:19:28,037 INFO L225 Difference]: With dead ends: 24204 [2021-06-05 15:19:28,037 INFO L226 Difference]: Without dead ends: 24197 [2021-06-05 15:19:28,037 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 2101.9ms TimeCoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-06-05 15:19:28,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24197 states. [2021-06-05 15:19:28,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24197 to 23411. [2021-06-05 15:19:28,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23411 states, 23410 states have (on average 2.5850918410935497) internal successors, (60517), 23410 states have internal predecessors, (60517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:19:28,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23411 states to 23411 states and 60517 transitions. [2021-06-05 15:19:28,451 INFO L78 Accepts]: Start accepts. Automaton has 23411 states and 60517 transitions. Word has length 38 [2021-06-05 15:19:28,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:19:28,451 INFO L482 AbstractCegarLoop]: Abstraction has 23411 states and 60517 transitions. [2021-06-05 15:19:28,451 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 3.0) internal successors, (60), 20 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:19:28,451 INFO L276 IsEmpty]: Start isEmpty. Operand 23411 states and 60517 transitions. [2021-06-05 15:19:28,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 15:19:28,466 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:19:28,466 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:19:28,666 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 108 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2700 [2021-06-05 15:19:28,666 INFO L430 AbstractCegarLoop]: === Iteration 113 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:19:28,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:19:28,666 INFO L82 PathProgramCache]: Analyzing trace with hash -36252106, now seen corresponding path program 108 times [2021-06-05 15:19:28,667 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:19:28,667 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243604155] [2021-06-05 15:19:28,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:19:28,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:19:28,793 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 36 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:19:28,793 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:19:28,793 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243604155] [2021-06-05 15:19:28,793 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243604155] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:19:28,793 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1670446111] [2021-06-05 15:19:28,793 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 109 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 109 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:19:28,822 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-06-05 15:19:28,822 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:19:28,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 15:19:28,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:19:29,082 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 36 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:19:29,082 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1670446111] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:19:29,082 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:19:29,082 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17] total 33 [2021-06-05 15:19:29,082 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289163675] [2021-06-05 15:19:29,082 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-06-05 15:19:29,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:19:29,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-06-05 15:19:29,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=214, Invalid=908, Unknown=0, NotChecked=0, Total=1122 [2021-06-05 15:19:29,083 INFO L87 Difference]: Start difference. First operand 23411 states and 60517 transitions. Second operand has 34 states, 34 states have (on average 2.176470588235294) internal successors, (74), 33 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:19:30,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:19:30,929 INFO L93 Difference]: Finished difference Result 25898 states and 65777 transitions. [2021-06-05 15:19:30,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-06-05 15:19:30,929 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 2.176470588235294) internal successors, (74), 33 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-06-05 15:19:30,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:19:30,960 INFO L225 Difference]: With dead ends: 25898 [2021-06-05 15:19:30,960 INFO L226 Difference]: Without dead ends: 25898 [2021-06-05 15:19:30,961 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3673 ImplicationChecksByTransitivity, 1608.3ms TimeCoverageRelationStatistics Valid=3180, Invalid=9030, Unknown=0, NotChecked=0, Total=12210 [2021-06-05 15:19:30,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25898 states. [2021-06-05 15:19:31,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25898 to 21896. [2021-06-05 15:19:31,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21896 states, 21895 states have (on average 2.5780771865722767) internal successors, (56447), 21895 states have internal predecessors, (56447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:19:31,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21896 states to 21896 states and 56447 transitions. [2021-06-05 15:19:31,272 INFO L78 Accepts]: Start accepts. Automaton has 21896 states and 56447 transitions. Word has length 40 [2021-06-05 15:19:31,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:19:31,272 INFO L482 AbstractCegarLoop]: Abstraction has 21896 states and 56447 transitions. [2021-06-05 15:19:31,272 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 2.176470588235294) internal successors, (74), 33 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:19:31,272 INFO L276 IsEmpty]: Start isEmpty. Operand 21896 states and 56447 transitions. [2021-06-05 15:19:31,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 15:19:31,287 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:19:31,287 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:19:31,487 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2849,109 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:19:31,487 INFO L430 AbstractCegarLoop]: === Iteration 114 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:19:31,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:19:31,487 INFO L82 PathProgramCache]: Analyzing trace with hash -1222061710, now seen corresponding path program 109 times [2021-06-05 15:19:31,488 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:19:31,488 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310611296] [2021-06-05 15:19:31,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:19:31,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:19:31,600 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 49 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:19:31,600 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:19:31,600 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310611296] [2021-06-05 15:19:31,600 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310611296] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:19:31,600 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [101207881] [2021-06-05 15:19:31,600 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 110 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 110 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:19:31,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:19:31,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 15:19:31,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:19:31,904 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 49 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:19:31,904 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [101207881] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:19:31,904 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:19:31,904 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-06-05 15:19:31,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113057122] [2021-06-05 15:19:31,904 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-06-05 15:19:31,904 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:19:31,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-06-05 15:19:31,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=875, Unknown=0, NotChecked=0, Total=1056 [2021-06-05 15:19:31,905 INFO L87 Difference]: Start difference. First operand 21896 states and 56447 transitions. Second operand has 33 states, 33 states have (on average 2.1818181818181817) internal successors, (72), 32 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:19:34,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:19:34,893 INFO L93 Difference]: Finished difference Result 30410 states and 76384 transitions. [2021-06-05 15:19:34,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2021-06-05 15:19:34,894 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 2.1818181818181817) internal successors, (72), 32 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-06-05 15:19:34,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:19:34,931 INFO L225 Difference]: With dead ends: 30410 [2021-06-05 15:19:34,931 INFO L226 Difference]: Without dead ends: 30222 [2021-06-05 15:19:34,933 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7844 ImplicationChecksByTransitivity, 2776.5ms TimeCoverageRelationStatistics Valid=4727, Invalid=17923, Unknown=0, NotChecked=0, Total=22650 [2021-06-05 15:19:34,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30222 states. [2021-06-05 15:19:35,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30222 to 22632. [2021-06-05 15:19:35,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22632 states, 22631 states have (on average 2.5780124607838806) internal successors, (58343), 22631 states have internal predecessors, (58343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:19:35,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22632 states to 22632 states and 58343 transitions. [2021-06-05 15:19:35,333 INFO L78 Accepts]: Start accepts. Automaton has 22632 states and 58343 transitions. Word has length 40 [2021-06-05 15:19:35,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:19:35,333 INFO L482 AbstractCegarLoop]: Abstraction has 22632 states and 58343 transitions. [2021-06-05 15:19:35,333 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 2.1818181818181817) internal successors, (72), 32 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:19:35,333 INFO L276 IsEmpty]: Start isEmpty. Operand 22632 states and 58343 transitions. [2021-06-05 15:19:35,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 15:19:35,348 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:19:35,348 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:19:35,548 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 110 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2850 [2021-06-05 15:19:35,548 INFO L430 AbstractCegarLoop]: === Iteration 115 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:19:35,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:19:35,549 INFO L82 PathProgramCache]: Analyzing trace with hash -714294378, now seen corresponding path program 110 times [2021-06-05 15:19:35,549 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:19:35,549 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468312517] [2021-06-05 15:19:35,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:19:35,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:19:35,629 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 49 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:19:35,629 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:19:35,629 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468312517] [2021-06-05 15:19:35,629 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468312517] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:19:35,629 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2122616830] [2021-06-05 15:19:35,629 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 111 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 111 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:19:35,655 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 15:19:35,656 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:19:35,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 15:19:35,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:19:35,933 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 49 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:19:35,933 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2122616830] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:19:35,933 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:19:35,933 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 17] total 26 [2021-06-05 15:19:35,933 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152675594] [2021-06-05 15:19:35,933 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-05 15:19:35,933 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:19:35,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-05 15:19:35,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=581, Unknown=0, NotChecked=0, Total=702 [2021-06-05 15:19:35,934 INFO L87 Difference]: Start difference. First operand 22632 states and 58343 transitions. Second operand has 27 states, 27 states have (on average 2.5925925925925926) internal successors, (70), 26 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:19:38,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:19:38,367 INFO L93 Difference]: Finished difference Result 39864 states and 101563 transitions. [2021-06-05 15:19:38,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2021-06-05 15:19:38,367 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 2.5925925925925926) internal successors, (70), 26 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-06-05 15:19:38,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:19:38,416 INFO L225 Difference]: With dead ends: 39864 [2021-06-05 15:19:38,417 INFO L226 Difference]: Without dead ends: 39844 [2021-06-05 15:19:38,418 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6651 ImplicationChecksByTransitivity, 2097.3ms TimeCoverageRelationStatistics Valid=4595, Invalid=12961, Unknown=0, NotChecked=0, Total=17556 [2021-06-05 15:19:38,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39844 states. [2021-06-05 15:19:38,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39844 to 29497. [2021-06-05 15:19:38,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29497 states, 29496 states have (on average 2.577230810957418) internal successors, (76018), 29496 states have internal predecessors, (76018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:19:38,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29497 states to 29497 states and 76018 transitions. [2021-06-05 15:19:38,909 INFO L78 Accepts]: Start accepts. Automaton has 29497 states and 76018 transitions. Word has length 40 [2021-06-05 15:19:38,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:19:38,909 INFO L482 AbstractCegarLoop]: Abstraction has 29497 states and 76018 transitions. [2021-06-05 15:19:38,909 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 2.5925925925925926) internal successors, (70), 26 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:19:38,909 INFO L276 IsEmpty]: Start isEmpty. Operand 29497 states and 76018 transitions. [2021-06-05 15:19:38,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 15:19:38,925 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:19:38,925 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:19:39,125 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 111 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2851 [2021-06-05 15:19:39,126 INFO L430 AbstractCegarLoop]: === Iteration 116 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:19:39,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:19:39,126 INFO L82 PathProgramCache]: Analyzing trace with hash -2098192460, now seen corresponding path program 111 times [2021-06-05 15:19:39,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:19:39,126 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567618094] [2021-06-05 15:19:39,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:19:39,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:19:39,193 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 43 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:19:39,193 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:19:39,193 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567618094] [2021-06-05 15:19:39,193 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567618094] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:19:39,193 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [345156727] [2021-06-05 15:19:39,193 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 112 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 112 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:19:39,222 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-06-05 15:19:39,222 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:19:39,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 15:19:39,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:19:39,475 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 43 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:19:39,476 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [345156727] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:19:39,476 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:19:39,476 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 17] total 26 [2021-06-05 15:19:39,476 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512796755] [2021-06-05 15:19:39,476 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-05 15:19:39,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:19:39,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-05 15:19:39,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=544, Unknown=0, NotChecked=0, Total=702 [2021-06-05 15:19:39,476 INFO L87 Difference]: Start difference. First operand 29497 states and 76018 transitions. Second operand has 27 states, 27 states have (on average 2.5925925925925926) internal successors, (70), 26 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:19:41,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:19:41,177 INFO L93 Difference]: Finished difference Result 30394 states and 77833 transitions. [2021-06-05 15:19:41,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-06-05 15:19:41,178 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 2.5925925925925926) internal successors, (70), 26 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-06-05 15:19:41,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:19:41,215 INFO L225 Difference]: With dead ends: 30394 [2021-06-05 15:19:41,215 INFO L226 Difference]: Without dead ends: 30390 [2021-06-05 15:19:41,216 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3712 ImplicationChecksByTransitivity, 1510.2ms TimeCoverageRelationStatistics Valid=2606, Invalid=8314, Unknown=0, NotChecked=0, Total=10920 [2021-06-05 15:19:41,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30390 states. [2021-06-05 15:19:41,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30390 to 29497. [2021-06-05 15:19:41,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29497 states, 29496 states have (on average 2.5766883645240033) internal successors, (76002), 29496 states have internal predecessors, (76002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:19:41,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29497 states to 29497 states and 76002 transitions. [2021-06-05 15:19:41,673 INFO L78 Accepts]: Start accepts. Automaton has 29497 states and 76002 transitions. Word has length 40 [2021-06-05 15:19:41,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:19:41,673 INFO L482 AbstractCegarLoop]: Abstraction has 29497 states and 76002 transitions. [2021-06-05 15:19:41,673 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 2.5925925925925926) internal successors, (70), 26 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:19:41,673 INFO L276 IsEmpty]: Start isEmpty. Operand 29497 states and 76002 transitions. [2021-06-05 15:19:41,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 15:19:41,689 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:19:41,689 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:19:41,889 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 112 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2852 [2021-06-05 15:19:41,889 INFO L430 AbstractCegarLoop]: === Iteration 117 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:19:41,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:19:41,890 INFO L82 PathProgramCache]: Analyzing trace with hash 1992334194, now seen corresponding path program 112 times [2021-06-05 15:19:41,890 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:19:41,890 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590468973] [2021-06-05 15:19:41,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:19:41,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:19:41,955 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 53 proven. 31 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:19:41,955 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:19:41,955 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590468973] [2021-06-05 15:19:41,955 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590468973] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:19:41,955 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1233541826] [2021-06-05 15:19:41,955 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 113 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 113 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:19:41,980 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 15:19:41,980 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:19:41,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 15:19:41,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:19:42,219 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 43 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:19:42,219 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1233541826] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:19:42,219 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:19:42,219 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 17] total 26 [2021-06-05 15:19:42,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144431635] [2021-06-05 15:19:42,219 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-05 15:19:42,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:19:42,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-05 15:19:42,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=582, Unknown=0, NotChecked=0, Total=702 [2021-06-05 15:19:42,220 INFO L87 Difference]: Start difference. First operand 29497 states and 76002 transitions. Second operand has 27 states, 27 states have (on average 2.6666666666666665) internal successors, (72), 26 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:19:43,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:19:43,504 INFO L93 Difference]: Finished difference Result 37584 states and 96225 transitions. [2021-06-05 15:19:43,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-06-05 15:19:43,504 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 2.6666666666666665) internal successors, (72), 26 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-06-05 15:19:43,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:19:43,552 INFO L225 Difference]: With dead ends: 37584 [2021-06-05 15:19:43,552 INFO L226 Difference]: Without dead ends: 37560 [2021-06-05 15:19:43,553 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2330 ImplicationChecksByTransitivity, 1074.5ms TimeCoverageRelationStatistics Valid=1833, Invalid=5649, Unknown=0, NotChecked=0, Total=7482 [2021-06-05 15:19:43,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37560 states. [2021-06-05 15:19:43,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37560 to 29719. [2021-06-05 15:19:43,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29719 states, 29718 states have (on average 2.5852345379904436) internal successors, (76828), 29718 states have internal predecessors, (76828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:19:44,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29719 states to 29719 states and 76828 transitions. [2021-06-05 15:19:44,045 INFO L78 Accepts]: Start accepts. Automaton has 29719 states and 76828 transitions. Word has length 40 [2021-06-05 15:19:44,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:19:44,045 INFO L482 AbstractCegarLoop]: Abstraction has 29719 states and 76828 transitions. [2021-06-05 15:19:44,045 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 2.6666666666666665) internal successors, (72), 26 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:19:44,045 INFO L276 IsEmpty]: Start isEmpty. Operand 29719 states and 76828 transitions. [2021-06-05 15:19:44,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 15:19:44,060 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:19:44,060 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:19:44,261 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 113 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2853 [2021-06-05 15:19:44,261 INFO L430 AbstractCegarLoop]: === Iteration 118 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:19:44,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:19:44,261 INFO L82 PathProgramCache]: Analyzing trace with hash -1162838014, now seen corresponding path program 113 times [2021-06-05 15:19:44,261 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:19:44,261 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232573360] [2021-06-05 15:19:44,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:19:44,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:19:44,329 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 38 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:19:44,329 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:19:44,329 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232573360] [2021-06-05 15:19:44,329 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232573360] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:19:44,329 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1727054789] [2021-06-05 15:19:44,329 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 114 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 114 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:19:44,357 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-06-05 15:19:44,357 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:19:44,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 15:19:44,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:19:44,599 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 38 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:19:44,599 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1727054789] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:19:44,599 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:19:44,599 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 17] total 27 [2021-06-05 15:19:44,599 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227708867] [2021-06-05 15:19:44,600 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 15:19:44,600 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:19:44,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 15:19:44,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=602, Unknown=0, NotChecked=0, Total=756 [2021-06-05 15:19:44,600 INFO L87 Difference]: Start difference. First operand 29719 states and 76828 transitions. Second operand has 28 states, 28 states have (on average 2.5) internal successors, (70), 27 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:19:46,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:19:46,350 INFO L93 Difference]: Finished difference Result 32131 states and 82168 transitions. [2021-06-05 15:19:46,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-06-05 15:19:46,350 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 2.5) internal successors, (70), 27 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-06-05 15:19:46,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:19:46,390 INFO L225 Difference]: With dead ends: 32131 [2021-06-05 15:19:46,390 INFO L226 Difference]: Without dead ends: 32111 [2021-06-05 15:19:46,391 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3894 ImplicationChecksByTransitivity, 1559.6ms TimeCoverageRelationStatistics Valid=2672, Invalid=8670, Unknown=0, NotChecked=0, Total=11342 [2021-06-05 15:19:46,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32111 states. [2021-06-05 15:19:46,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32111 to 30307. [2021-06-05 15:19:46,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30307 states, 30306 states have (on average 2.587045469543985) internal successors, (78403), 30306 states have internal predecessors, (78403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:19:46,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30307 states to 30307 states and 78403 transitions. [2021-06-05 15:19:46,833 INFO L78 Accepts]: Start accepts. Automaton has 30307 states and 78403 transitions. Word has length 40 [2021-06-05 15:19:46,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:19:46,833 INFO L482 AbstractCegarLoop]: Abstraction has 30307 states and 78403 transitions. [2021-06-05 15:19:46,833 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 2.5) internal successors, (70), 27 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:19:46,833 INFO L276 IsEmpty]: Start isEmpty. Operand 30307 states and 78403 transitions. [2021-06-05 15:19:46,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 15:19:46,849 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:19:46,849 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:19:47,049 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 114 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2854 [2021-06-05 15:19:47,049 INFO L430 AbstractCegarLoop]: === Iteration 119 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:19:47,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:19:47,049 INFO L82 PathProgramCache]: Analyzing trace with hash -1839241602, now seen corresponding path program 114 times [2021-06-05 15:19:47,049 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:19:47,049 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570957477] [2021-06-05 15:19:47,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:19:47,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:19:47,123 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 31 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:19:47,123 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:19:47,123 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570957477] [2021-06-05 15:19:47,123 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570957477] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:19:47,123 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1910439935] [2021-06-05 15:19:47,123 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 115 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 115 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:19:47,152 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2021-06-05 15:19:47,152 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:19:47,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 15:19:47,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:19:47,396 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 31 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:19:47,397 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1910439935] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:19:47,397 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:19:47,397 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 17] total 28 [2021-06-05 15:19:47,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507257231] [2021-06-05 15:19:47,397 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-05 15:19:47,397 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:19:47,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-05 15:19:47,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=658, Unknown=0, NotChecked=0, Total=812 [2021-06-05 15:19:47,397 INFO L87 Difference]: Start difference. First operand 30307 states and 78403 transitions. Second operand has 29 states, 29 states have (on average 2.413793103448276) internal successors, (70), 28 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:19:49,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:19:49,180 INFO L93 Difference]: Finished difference Result 33401 states and 85130 transitions. [2021-06-05 15:19:49,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-06-05 15:19:49,180 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 2.413793103448276) internal successors, (70), 28 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-06-05 15:19:49,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:19:49,221 INFO L225 Difference]: With dead ends: 33401 [2021-06-05 15:19:49,221 INFO L226 Difference]: Without dead ends: 33361 [2021-06-05 15:19:49,222 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4153 ImplicationChecksByTransitivity, 1491.2ms TimeCoverageRelationStatistics Valid=2749, Invalid=9023, Unknown=0, NotChecked=0, Total=11772 [2021-06-05 15:19:49,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33361 states. [2021-06-05 15:19:49,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33361 to 30181. [2021-06-05 15:19:49,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30181 states, 30180 states have (on average 2.591186216037111) internal successors, (78202), 30180 states have internal predecessors, (78202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:19:49,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30181 states to 30181 states and 78202 transitions. [2021-06-05 15:19:49,761 INFO L78 Accepts]: Start accepts. Automaton has 30181 states and 78202 transitions. Word has length 40 [2021-06-05 15:19:49,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:19:49,761 INFO L482 AbstractCegarLoop]: Abstraction has 30181 states and 78202 transitions. [2021-06-05 15:19:49,761 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 2.413793103448276) internal successors, (70), 28 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:19:49,761 INFO L276 IsEmpty]: Start isEmpty. Operand 30181 states and 78202 transitions. [2021-06-05 15:19:49,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 15:19:49,777 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:19:49,777 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:19:49,983 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2855,115 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:19:49,983 INFO L430 AbstractCegarLoop]: === Iteration 120 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:19:49,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:19:49,983 INFO L82 PathProgramCache]: Analyzing trace with hash 971939322, now seen corresponding path program 115 times [2021-06-05 15:19:49,983 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:19:49,983 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994707892] [2021-06-05 15:19:49,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:19:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:19:50,061 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 28 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:19:50,061 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:19:50,061 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994707892] [2021-06-05 15:19:50,061 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994707892] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:19:50,061 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [753361796] [2021-06-05 15:19:50,061 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 116 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 116 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:19:50,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:19:50,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 15:19:50,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:19:50,333 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 28 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:19:50,333 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [753361796] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:19:50,334 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:19:50,334 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 17] total 29 [2021-06-05 15:19:50,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191555619] [2021-06-05 15:19:50,334 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-05 15:19:50,334 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:19:50,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-05 15:19:50,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=712, Unknown=0, NotChecked=0, Total=870 [2021-06-05 15:19:50,334 INFO L87 Difference]: Start difference. First operand 30181 states and 78202 transitions. Second operand has 30 states, 30 states have (on average 2.3333333333333335) internal successors, (70), 29 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:19:52,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:19:52,057 INFO L93 Difference]: Finished difference Result 33916 states and 86143 transitions. [2021-06-05 15:19:52,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2021-06-05 15:19:52,057 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 2.3333333333333335) internal successors, (70), 29 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-06-05 15:19:52,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:19:52,098 INFO L225 Difference]: With dead ends: 33916 [2021-06-05 15:19:52,098 INFO L226 Difference]: Without dead ends: 33862 [2021-06-05 15:19:52,099 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4387 ImplicationChecksByTransitivity, 1489.8ms TimeCoverageRelationStatistics Valid=2836, Invalid=9374, Unknown=0, NotChecked=0, Total=12210 [2021-06-05 15:19:52,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33862 states. [2021-06-05 15:19:52,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33862 to 28876. [2021-06-05 15:19:52,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28876 states, 28875 states have (on average 2.596987012987013) internal successors, (74988), 28875 states have internal predecessors, (74988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:19:52,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28876 states to 28876 states and 74988 transitions. [2021-06-05 15:19:52,539 INFO L78 Accepts]: Start accepts. Automaton has 28876 states and 74988 transitions. Word has length 40 [2021-06-05 15:19:52,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:19:52,539 INFO L482 AbstractCegarLoop]: Abstraction has 28876 states and 74988 transitions. [2021-06-05 15:19:52,539 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 2.3333333333333335) internal successors, (70), 29 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:19:52,539 INFO L276 IsEmpty]: Start isEmpty. Operand 28876 states and 74988 transitions. [2021-06-05 15:19:52,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 15:19:52,554 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:19:52,554 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:19:52,756 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 116 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2856 [2021-06-05 15:19:52,757 INFO L430 AbstractCegarLoop]: === Iteration 121 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:19:52,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:19:52,757 INFO L82 PathProgramCache]: Analyzing trace with hash 982378102, now seen corresponding path program 116 times [2021-06-05 15:19:52,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:19:52,757 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746914368] [2021-06-05 15:19:52,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:19:52,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:19:52,847 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 29 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:19:52,847 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:19:52,848 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746914368] [2021-06-05 15:19:52,848 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746914368] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:19:52,848 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [841302500] [2021-06-05 15:19:52,848 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 117 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 117 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:19:52,875 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 15:19:52,875 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:19:52,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 15:19:52,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:19:53,160 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 29 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:19:53,160 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [841302500] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:19:53,160 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:19:53,160 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17] total 30 [2021-06-05 15:19:53,160 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589553941] [2021-06-05 15:19:53,160 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-05 15:19:53,160 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:19:53,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-05 15:19:53,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=764, Unknown=0, NotChecked=0, Total=930 [2021-06-05 15:19:53,162 INFO L87 Difference]: Start difference. First operand 28876 states and 74988 transitions. Second operand has 31 states, 31 states have (on average 2.2580645161290325) internal successors, (70), 30 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:19:54,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:19:54,969 INFO L93 Difference]: Finished difference Result 33473 states and 84685 transitions. [2021-06-05 15:19:54,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-06-05 15:19:54,969 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 2.2580645161290325) internal successors, (70), 30 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-06-05 15:19:54,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:19:55,010 INFO L225 Difference]: With dead ends: 33473 [2021-06-05 15:19:55,010 INFO L226 Difference]: Without dead ends: 33417 [2021-06-05 15:19:55,011 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4604 ImplicationChecksByTransitivity, 1635.8ms TimeCoverageRelationStatistics Valid=2932, Invalid=9724, Unknown=0, NotChecked=0, Total=12656 [2021-06-05 15:19:55,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33417 states. [2021-06-05 15:19:55,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33417 to 26468. [2021-06-05 15:19:55,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26468 states, 26467 states have (on average 2.601541542297956) internal successors, (68855), 26467 states have internal predecessors, (68855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:19:55,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26468 states to 26468 states and 68855 transitions. [2021-06-05 15:19:55,440 INFO L78 Accepts]: Start accepts. Automaton has 26468 states and 68855 transitions. Word has length 40 [2021-06-05 15:19:55,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:19:55,440 INFO L482 AbstractCegarLoop]: Abstraction has 26468 states and 68855 transitions. [2021-06-05 15:19:55,440 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 2.2580645161290325) internal successors, (70), 30 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:19:55,440 INFO L276 IsEmpty]: Start isEmpty. Operand 26468 states and 68855 transitions. [2021-06-05 15:19:55,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 15:19:55,454 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:19:55,454 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:19:55,654 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2857,117 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:19:55,654 INFO L430 AbstractCegarLoop]: === Iteration 122 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:19:55,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:19:55,655 INFO L82 PathProgramCache]: Analyzing trace with hash -1870856206, now seen corresponding path program 117 times [2021-06-05 15:19:55,655 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:19:55,655 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610939903] [2021-06-05 15:19:55,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:19:55,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:19:55,753 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 34 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:19:55,753 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:19:55,753 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610939903] [2021-06-05 15:19:55,753 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610939903] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:19:55,753 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1223674708] [2021-06-05 15:19:55,753 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 118 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 118 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:19:55,781 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-06-05 15:19:55,781 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:19:55,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 15:19:55,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:19:56,041 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 34 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:19:56,042 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1223674708] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:19:56,042 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:19:56,042 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17] total 31 [2021-06-05 15:19:56,042 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843601728] [2021-06-05 15:19:56,042 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-05 15:19:56,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:19:56,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-05 15:19:56,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=814, Unknown=0, NotChecked=0, Total=992 [2021-06-05 15:19:56,042 INFO L87 Difference]: Start difference. First operand 26468 states and 68855 transitions. Second operand has 32 states, 32 states have (on average 2.1875) internal successors, (70), 31 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:19:57,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:19:57,765 INFO L93 Difference]: Finished difference Result 32096 states and 80790 transitions. [2021-06-05 15:19:57,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-06-05 15:19:57,766 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 2.1875) internal successors, (70), 31 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-06-05 15:19:57,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:19:57,804 INFO L225 Difference]: With dead ends: 32096 [2021-06-05 15:19:57,804 INFO L226 Difference]: Without dead ends: 32046 [2021-06-05 15:19:57,805 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4740 ImplicationChecksByTransitivity, 1576.9ms TimeCoverageRelationStatistics Valid=3036, Invalid=10074, Unknown=0, NotChecked=0, Total=13110 [2021-06-05 15:19:57,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32046 states. [2021-06-05 15:19:58,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32046 to 24004. [2021-06-05 15:19:58,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24004 states, 24003 states have (on average 2.599633379160938) internal successors, (62399), 24003 states have internal predecessors, (62399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:19:58,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24004 states to 24004 states and 62399 transitions. [2021-06-05 15:19:58,151 INFO L78 Accepts]: Start accepts. Automaton has 24004 states and 62399 transitions. Word has length 40 [2021-06-05 15:19:58,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:19:58,151 INFO L482 AbstractCegarLoop]: Abstraction has 24004 states and 62399 transitions. [2021-06-05 15:19:58,151 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 2.1875) internal successors, (70), 31 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:19:58,151 INFO L276 IsEmpty]: Start isEmpty. Operand 24004 states and 62399 transitions. [2021-06-05 15:19:58,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 15:19:58,164 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:19:58,164 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:19:58,364 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2858,118 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:19:58,364 INFO L430 AbstractCegarLoop]: === Iteration 123 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:19:58,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:19:58,365 INFO L82 PathProgramCache]: Analyzing trace with hash -69717194, now seen corresponding path program 118 times [2021-06-05 15:19:58,365 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:19:58,365 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246865983] [2021-06-05 15:19:58,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:19:58,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:19:58,580 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 35 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:19:58,580 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:19:58,580 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246865983] [2021-06-05 15:19:58,580 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246865983] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:19:58,580 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [850916294] [2021-06-05 15:19:58,580 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 119 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 119 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:19:58,609 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 15:19:58,609 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:19:58,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 15:19:58,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:19:58,882 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 30 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:19:58,882 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [850916294] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:19:58,882 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:19:58,882 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-06-05 15:19:58,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537264812] [2021-06-05 15:19:58,882 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-06-05 15:19:58,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:19:58,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-06-05 15:19:58,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=187, Invalid=869, Unknown=0, NotChecked=0, Total=1056 [2021-06-05 15:19:58,883 INFO L87 Difference]: Start difference. First operand 24004 states and 62399 transitions. Second operand has 33 states, 33 states have (on average 2.212121212121212) internal successors, (73), 32 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:20:00,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:20:00,766 INFO L93 Difference]: Finished difference Result 28131 states and 70967 transitions. [2021-06-05 15:20:00,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-06-05 15:20:00,767 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 2.212121212121212) internal successors, (73), 32 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-06-05 15:20:00,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:20:00,799 INFO L225 Difference]: With dead ends: 28131 [2021-06-05 15:20:00,799 INFO L226 Difference]: Without dead ends: 28131 [2021-06-05 15:20:00,800 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3698 ImplicationChecksByTransitivity, 1722.7ms TimeCoverageRelationStatistics Valid=2970, Invalid=9240, Unknown=0, NotChecked=0, Total=12210 [2021-06-05 15:20:00,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28131 states. [2021-06-05 15:20:01,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28131 to 21876. [2021-06-05 15:20:01,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21876 states, 21875 states have (on average 2.5954285714285716) internal successors, (56775), 21875 states have internal predecessors, (56775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:20:01,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21876 states to 21876 states and 56775 transitions. [2021-06-05 15:20:01,091 INFO L78 Accepts]: Start accepts. Automaton has 21876 states and 56775 transitions. Word has length 40 [2021-06-05 15:20:01,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:20:01,091 INFO L482 AbstractCegarLoop]: Abstraction has 21876 states and 56775 transitions. [2021-06-05 15:20:01,091 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 2.212121212121212) internal successors, (73), 32 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:20:01,091 INFO L276 IsEmpty]: Start isEmpty. Operand 21876 states and 56775 transitions. [2021-06-05 15:20:01,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 15:20:01,102 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:20:01,102 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:20:01,302 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 119 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2859 [2021-06-05 15:20:01,303 INFO L430 AbstractCegarLoop]: === Iteration 124 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:20:01,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:20:01,303 INFO L82 PathProgramCache]: Analyzing trace with hash 715640178, now seen corresponding path program 119 times [2021-06-05 15:20:01,303 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:20:01,303 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940763075] [2021-06-05 15:20:01,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:20:01,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:20:01,404 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 38 proven. 46 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:20:01,405 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:20:01,405 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940763075] [2021-06-05 15:20:01,405 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940763075] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:20:01,405 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2133502653] [2021-06-05 15:20:01,405 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 120 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 120 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:20:01,432 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-06-05 15:20:01,432 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:20:01,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 15:20:01,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:20:01,741 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 38 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:20:01,742 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2133502653] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:20:01,742 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:20:01,742 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17] total 31 [2021-06-05 15:20:01,742 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976319251] [2021-06-05 15:20:01,742 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-05 15:20:01,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:20:01,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-05 15:20:01,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=826, Unknown=0, NotChecked=0, Total=992 [2021-06-05 15:20:01,742 INFO L87 Difference]: Start difference. First operand 21876 states and 56775 transitions. Second operand has 32 states, 32 states have (on average 2.21875) internal successors, (71), 31 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:20:03,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:20:03,962 INFO L93 Difference]: Finished difference Result 25120 states and 63294 transitions. [2021-06-05 15:20:03,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2021-06-05 15:20:03,962 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 2.21875) internal successors, (71), 31 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-06-05 15:20:03,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:20:03,994 INFO L225 Difference]: With dead ends: 25120 [2021-06-05 15:20:03,995 INFO L226 Difference]: Without dead ends: 24982 [2021-06-05 15:20:03,995 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5780 ImplicationChecksByTransitivity, 2040.9ms TimeCoverageRelationStatistics Valid=3320, Invalid=12682, Unknown=0, NotChecked=0, Total=16002 [2021-06-05 15:20:04,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24982 states. [2021-06-05 15:20:04,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24982 to 21296. [2021-06-05 15:20:04,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21296 states, 21295 states have (on average 2.5844094857947875) internal successors, (55035), 21295 states have internal predecessors, (55035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:20:04,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21296 states to 21296 states and 55035 transitions. [2021-06-05 15:20:04,351 INFO L78 Accepts]: Start accepts. Automaton has 21296 states and 55035 transitions. Word has length 40 [2021-06-05 15:20:04,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:20:04,351 INFO L482 AbstractCegarLoop]: Abstraction has 21296 states and 55035 transitions. [2021-06-05 15:20:04,351 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 2.21875) internal successors, (71), 31 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:20:04,351 INFO L276 IsEmpty]: Start isEmpty. Operand 21296 states and 55035 transitions. [2021-06-05 15:20:04,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 15:20:04,362 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:20:04,362 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:20:04,563 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 120 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2860 [2021-06-05 15:20:04,563 INFO L430 AbstractCegarLoop]: === Iteration 125 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:20:04,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:20:04,563 INFO L82 PathProgramCache]: Analyzing trace with hash 1418514486, now seen corresponding path program 120 times [2021-06-05 15:20:04,563 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:20:04,563 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416035233] [2021-06-05 15:20:04,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:20:04,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:20:04,678 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 34 proven. 50 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:20:04,678 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:20:04,679 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416035233] [2021-06-05 15:20:04,679 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416035233] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:20:04,679 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2011638827] [2021-06-05 15:20:04,679 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 [2021-06-05 15:20:04,707 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-06-05 15:20:04,707 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:20:04,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 15:20:04,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:20:04,968 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 30 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:20:04,969 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2011638827] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:20:04,969 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:20:04,969 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17] total 31 [2021-06-05 15:20:04,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73381681] [2021-06-05 15:20:04,969 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-05 15:20:04,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:20:04,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-05 15:20:04,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=823, Unknown=0, NotChecked=0, Total=992 [2021-06-05 15:20:04,969 INFO L87 Difference]: Start difference. First operand 21296 states and 55035 transitions. Second operand has 32 states, 32 states have (on average 2.28125) internal successors, (73), 31 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:20:07,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:20:07,052 INFO L93 Difference]: Finished difference Result 26874 states and 67135 transitions. [2021-06-05 15:20:07,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-06-05 15:20:07,052 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 2.28125) internal successors, (73), 31 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-06-05 15:20:07,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:20:07,083 INFO L225 Difference]: With dead ends: 26874 [2021-06-05 15:20:07,084 INFO L226 Difference]: Without dead ends: 26874 [2021-06-05 15:20:07,085 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4431 ImplicationChecksByTransitivity, 1769.0ms TimeCoverageRelationStatistics Valid=3338, Invalid=10234, Unknown=0, NotChecked=0, Total=13572 [2021-06-05 15:20:07,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26874 states. [2021-06-05 15:20:07,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26874 to 19476. [2021-06-05 15:20:07,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19476 states, 19475 states have (on average 2.5761232349165595) internal successors, (50170), 19475 states have internal predecessors, (50170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:20:07,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19476 states to 19476 states and 50170 transitions. [2021-06-05 15:20:07,363 INFO L78 Accepts]: Start accepts. Automaton has 19476 states and 50170 transitions. Word has length 40 [2021-06-05 15:20:07,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:20:07,363 INFO L482 AbstractCegarLoop]: Abstraction has 19476 states and 50170 transitions. [2021-06-05 15:20:07,363 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 2.28125) internal successors, (73), 31 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:20:07,363 INFO L276 IsEmpty]: Start isEmpty. Operand 19476 states and 50170 transitions. [2021-06-05 15:20:07,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 15:20:07,374 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:20:07,374 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:20:07,574 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2861,121 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:20:07,574 INFO L430 AbstractCegarLoop]: === Iteration 126 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:20:07,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:20:07,575 INFO L82 PathProgramCache]: Analyzing trace with hash 699779442, now seen corresponding path program 121 times [2021-06-05 15:20:07,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:20:07,575 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241319110] [2021-06-05 15:20:07,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:20:07,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:20:07,678 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 32 proven. 52 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:20:07,678 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:20:07,678 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241319110] [2021-06-05 15:20:07,678 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241319110] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:20:07,678 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [611460132] [2021-06-05 15:20:07,678 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 122 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 122 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:20:07,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:20:07,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 15:20:07,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:20:07,966 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 31 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:20:07,966 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [611460132] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:20:07,966 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:20:07,966 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17] total 30 [2021-06-05 15:20:07,966 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936747392] [2021-06-05 15:20:07,966 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-05 15:20:07,967 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:20:07,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-05 15:20:07,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=775, Unknown=0, NotChecked=0, Total=930 [2021-06-05 15:20:07,967 INFO L87 Difference]: Start difference. First operand 19476 states and 50170 transitions. Second operand has 31 states, 31 states have (on average 2.2903225806451615) internal successors, (71), 30 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:20:09,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:20:09,855 INFO L93 Difference]: Finished difference Result 22442 states and 56490 transitions. [2021-06-05 15:20:09,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-06-05 15:20:09,856 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 2.2903225806451615) internal successors, (71), 30 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-06-05 15:20:09,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:20:09,880 INFO L225 Difference]: With dead ends: 22442 [2021-06-05 15:20:09,880 INFO L226 Difference]: Without dead ends: 22343 [2021-06-05 15:20:09,882 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5030 ImplicationChecksByTransitivity, 1712.1ms TimeCoverageRelationStatistics Valid=2802, Invalid=10770, Unknown=0, NotChecked=0, Total=13572 [2021-06-05 15:20:09,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22343 states. [2021-06-05 15:20:10,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22343 to 19294. [2021-06-05 15:20:10,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19294 states, 19293 states have (on average 2.5669932099725288) internal successors, (49525), 19293 states have internal predecessors, (49525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:20:10,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19294 states to 19294 states and 49525 transitions. [2021-06-05 15:20:10,184 INFO L78 Accepts]: Start accepts. Automaton has 19294 states and 49525 transitions. Word has length 40 [2021-06-05 15:20:10,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:20:10,184 INFO L482 AbstractCegarLoop]: Abstraction has 19294 states and 49525 transitions. [2021-06-05 15:20:10,184 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 2.2903225806451615) internal successors, (71), 30 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:20:10,184 INFO L276 IsEmpty]: Start isEmpty. Operand 19294 states and 49525 transitions. [2021-06-05 15:20:10,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 15:20:10,195 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:20:10,195 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:20:10,395 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 122 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2862 [2021-06-05 15:20:10,396 INFO L430 AbstractCegarLoop]: === Iteration 127 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:20:10,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:20:10,396 INFO L82 PathProgramCache]: Analyzing trace with hash -1681609418, now seen corresponding path program 122 times [2021-06-05 15:20:10,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:20:10,396 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952623981] [2021-06-05 15:20:10,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:20:10,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:20:10,488 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 33 proven. 51 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:20:10,488 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:20:10,488 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952623981] [2021-06-05 15:20:10,488 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952623981] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:20:10,488 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [268504223] [2021-06-05 15:20:10,488 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 123 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 123 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:20:10,517 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 15:20:10,517 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:20:10,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 15:20:10,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:20:10,776 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 30 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:20:10,776 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [268504223] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:20:10,776 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:20:10,776 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17] total 30 [2021-06-05 15:20:10,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135980457] [2021-06-05 15:20:10,777 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-05 15:20:10,777 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:20:10,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-05 15:20:10,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=775, Unknown=0, NotChecked=0, Total=930 [2021-06-05 15:20:10,777 INFO L87 Difference]: Start difference. First operand 19294 states and 49525 transitions. Second operand has 31 states, 31 states have (on average 2.3548387096774195) internal successors, (73), 30 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:20:13,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:20:13,037 INFO L93 Difference]: Finished difference Result 25902 states and 64230 transitions. [2021-06-05 15:20:13,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-06-05 15:20:13,038 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 2.3548387096774195) internal successors, (73), 30 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-06-05 15:20:13,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:20:13,067 INFO L225 Difference]: With dead ends: 25902 [2021-06-05 15:20:13,067 INFO L226 Difference]: Without dead ends: 25902 [2021-06-05 15:20:13,068 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5410 ImplicationChecksByTransitivity, 1923.9ms TimeCoverageRelationStatistics Valid=3958, Invalid=11542, Unknown=0, NotChecked=0, Total=15500 [2021-06-05 15:20:13,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25902 states. [2021-06-05 15:20:13,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25902 to 17898. [2021-06-05 15:20:13,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17898 states, 17897 states have (on average 2.5554003464267754) internal successors, (45734), 17897 states have internal predecessors, (45734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:20:13,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17898 states to 17898 states and 45734 transitions. [2021-06-05 15:20:13,383 INFO L78 Accepts]: Start accepts. Automaton has 17898 states and 45734 transitions. Word has length 40 [2021-06-05 15:20:13,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:20:13,383 INFO L482 AbstractCegarLoop]: Abstraction has 17898 states and 45734 transitions. [2021-06-05 15:20:13,383 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 2.3548387096774195) internal successors, (73), 30 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:20:13,383 INFO L276 IsEmpty]: Start isEmpty. Operand 17898 states and 45734 transitions. [2021-06-05 15:20:13,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 15:20:13,393 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:20:13,393 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:20:13,596 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2863,123 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:20:13,597 INFO L430 AbstractCegarLoop]: === Iteration 128 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:20:13,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:20:13,597 INFO L82 PathProgramCache]: Analyzing trace with hash 1276298610, now seen corresponding path program 123 times [2021-06-05 15:20:13,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:20:13,597 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445200308] [2021-06-05 15:20:13,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:20:13,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:20:13,676 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 30 proven. 54 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:20:13,676 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:20:13,676 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445200308] [2021-06-05 15:20:13,676 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445200308] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:20:13,676 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1136367503] [2021-06-05 15:20:13,676 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 124 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 124 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:20:13,705 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-06-05 15:20:13,705 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:20:13,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 15:20:13,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:20:13,954 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 28 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:20:13,954 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1136367503] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:20:13,954 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:20:13,954 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 17] total 29 [2021-06-05 15:20:13,954 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806007952] [2021-06-05 15:20:13,954 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-05 15:20:13,954 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:20:13,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-05 15:20:13,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=722, Unknown=0, NotChecked=0, Total=870 [2021-06-05 15:20:13,955 INFO L87 Difference]: Start difference. First operand 17898 states and 45734 transitions. Second operand has 30 states, 30 states have (on average 2.3666666666666667) internal successors, (71), 29 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:20:15,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:20:15,636 INFO L93 Difference]: Finished difference Result 20487 states and 51579 transitions. [2021-06-05 15:20:15,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-06-05 15:20:15,637 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 2.3666666666666667) internal successors, (71), 29 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-06-05 15:20:15,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:20:15,658 INFO L225 Difference]: With dead ends: 20487 [2021-06-05 15:20:15,658 INFO L226 Difference]: Without dead ends: 20421 [2021-06-05 15:20:15,659 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4431 ImplicationChecksByTransitivity, 1497.0ms TimeCoverageRelationStatistics Valid=2466, Invalid=9306, Unknown=0, NotChecked=0, Total=11772 [2021-06-05 15:20:15,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20421 states. [2021-06-05 15:20:15,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20421 to 18251. [2021-06-05 15:20:15,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18251 states, 18250 states have (on average 2.5564383561643838) internal successors, (46655), 18250 states have internal predecessors, (46655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:20:15,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18251 states to 18251 states and 46655 transitions. [2021-06-05 15:20:15,918 INFO L78 Accepts]: Start accepts. Automaton has 18251 states and 46655 transitions. Word has length 40 [2021-06-05 15:20:15,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:20:15,918 INFO L482 AbstractCegarLoop]: Abstraction has 18251 states and 46655 transitions. [2021-06-05 15:20:15,918 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 2.3666666666666667) internal successors, (71), 29 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:20:15,918 INFO L276 IsEmpty]: Start isEmpty. Operand 18251 states and 46655 transitions. [2021-06-05 15:20:15,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 15:20:15,928 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:20:15,928 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:20:16,143 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 124 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2864 [2021-06-05 15:20:16,144 INFO L430 AbstractCegarLoop]: === Iteration 129 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:20:16,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:20:16,144 INFO L82 PathProgramCache]: Analyzing trace with hash 424659510, now seen corresponding path program 124 times [2021-06-05 15:20:16,144 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:20:16,144 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699623398] [2021-06-05 15:20:16,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:20:16,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:20:16,231 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 32 proven. 52 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:20:16,232 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:20:16,232 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699623398] [2021-06-05 15:20:16,232 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699623398] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:20:16,232 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [5676844] [2021-06-05 15:20:16,232 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 125 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 125 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:20:16,257 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 15:20:16,257 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:20:16,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 15:20:16,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:20:16,518 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 30 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:20:16,518 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [5676844] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:20:16,518 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:20:16,518 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 17] total 29 [2021-06-05 15:20:16,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496621678] [2021-06-05 15:20:16,518 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-05 15:20:16,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:20:16,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-05 15:20:16,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=725, Unknown=0, NotChecked=0, Total=870 [2021-06-05 15:20:16,519 INFO L87 Difference]: Start difference. First operand 18251 states and 46655 transitions. Second operand has 30 states, 30 states have (on average 2.433333333333333) internal successors, (73), 29 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:20:19,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:20:19,011 INFO L93 Difference]: Finished difference Result 25865 states and 63837 transitions. [2021-06-05 15:20:19,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-06-05 15:20:19,012 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 2.433333333333333) internal successors, (73), 29 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-06-05 15:20:19,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:20:19,042 INFO L225 Difference]: With dead ends: 25865 [2021-06-05 15:20:19,042 INFO L226 Difference]: Without dead ends: 25865 [2021-06-05 15:20:19,043 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6848 ImplicationChecksByTransitivity, 2106.9ms TimeCoverageRelationStatistics Valid=4818, Invalid=13272, Unknown=0, NotChecked=0, Total=18090 [2021-06-05 15:20:19,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25865 states. [2021-06-05 15:20:19,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25865 to 17253. [2021-06-05 15:20:19,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17253 states, 17252 states have (on average 2.541386505912358) internal successors, (43844), 17252 states have internal predecessors, (43844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:20:19,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17253 states to 17253 states and 43844 transitions. [2021-06-05 15:20:19,333 INFO L78 Accepts]: Start accepts. Automaton has 17253 states and 43844 transitions. Word has length 40 [2021-06-05 15:20:19,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:20:19,333 INFO L482 AbstractCegarLoop]: Abstraction has 17253 states and 43844 transitions. [2021-06-05 15:20:19,333 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 2.433333333333333) internal successors, (73), 29 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:20:19,333 INFO L276 IsEmpty]: Start isEmpty. Operand 17253 states and 43844 transitions. [2021-06-05 15:20:19,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 15:20:19,343 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:20:19,343 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:20:19,543 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2865,125 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:20:19,543 INFO L430 AbstractCegarLoop]: === Iteration 130 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:20:19,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:20:19,544 INFO L82 PathProgramCache]: Analyzing trace with hash 427737458, now seen corresponding path program 125 times [2021-06-05 15:20:19,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:20:19,544 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855662042] [2021-06-05 15:20:19,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:20:19,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:20:19,617 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 32 proven. 52 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:20:19,617 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:20:19,617 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855662042] [2021-06-05 15:20:19,617 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855662042] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:20:19,618 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [109102688] [2021-06-05 15:20:19,618 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 126 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 126 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:20:19,646 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-06-05 15:20:19,646 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:20:19,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 15:20:19,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:20:19,891 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 29 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:20:19,891 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [109102688] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:20:19,891 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:20:19,891 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 17] total 28 [2021-06-05 15:20:19,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440233247] [2021-06-05 15:20:19,891 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-05 15:20:19,891 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:20:19,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-05 15:20:19,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=667, Unknown=0, NotChecked=0, Total=812 [2021-06-05 15:20:19,892 INFO L87 Difference]: Start difference. First operand 17253 states and 43844 transitions. Second operand has 29 states, 29 states have (on average 2.4482758620689653) internal successors, (71), 28 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:20:21,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:20:21,454 INFO L93 Difference]: Finished difference Result 19251 states and 48390 transitions. [2021-06-05 15:20:21,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-06-05 15:20:21,454 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 2.4482758620689653) internal successors, (71), 28 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-06-05 15:20:21,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:20:21,474 INFO L225 Difference]: With dead ends: 19251 [2021-06-05 15:20:21,474 INFO L226 Difference]: Without dead ends: 19212 [2021-06-05 15:20:21,475 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3960 ImplicationChecksByTransitivity, 1376.1ms TimeCoverageRelationStatistics Valid=2263, Invalid=8243, Unknown=0, NotChecked=0, Total=10506 [2021-06-05 15:20:21,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19212 states. [2021-06-05 15:20:21,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19212 to 17619. [2021-06-05 15:20:21,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17619 states, 17618 states have (on average 2.546032466795323) internal successors, (44856), 17618 states have internal predecessors, (44856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:20:21,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17619 states to 17619 states and 44856 transitions. [2021-06-05 15:20:21,720 INFO L78 Accepts]: Start accepts. Automaton has 17619 states and 44856 transitions. Word has length 40 [2021-06-05 15:20:21,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:20:21,720 INFO L482 AbstractCegarLoop]: Abstraction has 17619 states and 44856 transitions. [2021-06-05 15:20:21,720 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 2.4482758620689653) internal successors, (71), 28 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:20:21,721 INFO L276 IsEmpty]: Start isEmpty. Operand 17619 states and 44856 transitions. [2021-06-05 15:20:21,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 15:20:21,730 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:20:21,730 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:20:21,930 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 126 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2866 [2021-06-05 15:20:21,930 INFO L430 AbstractCegarLoop]: === Iteration 131 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:20:21,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:20:21,931 INFO L82 PathProgramCache]: Analyzing trace with hash -922867914, now seen corresponding path program 126 times [2021-06-05 15:20:21,931 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:20:21,931 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325377432] [2021-06-05 15:20:21,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:20:21,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:20:22,008 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 31 proven. 53 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:20:22,008 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:20:22,008 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325377432] [2021-06-05 15:20:22,008 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325377432] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:20:22,008 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1032607182] [2021-06-05 15:20:22,008 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 127 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 127 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:20:22,040 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-06-05 15:20:22,040 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:20:22,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 15:20:22,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:20:22,300 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 30 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:20:22,301 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1032607182] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:20:22,301 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:20:22,301 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 17] total 28 [2021-06-05 15:20:22,301 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386626564] [2021-06-05 15:20:22,301 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-05 15:20:22,301 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:20:22,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-05 15:20:22,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=673, Unknown=0, NotChecked=0, Total=812 [2021-06-05 15:20:22,301 INFO L87 Difference]: Start difference. First operand 17619 states and 44856 transitions. Second operand has 29 states, 29 states have (on average 2.5172413793103448) internal successors, (73), 28 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:20:24,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:20:24,868 INFO L93 Difference]: Finished difference Result 28254 states and 69498 transitions. [2021-06-05 15:20:24,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2021-06-05 15:20:24,868 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 2.5172413793103448) internal successors, (73), 28 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-06-05 15:20:24,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:20:24,900 INFO L225 Difference]: With dead ends: 28254 [2021-06-05 15:20:24,900 INFO L226 Difference]: Without dead ends: 28254 [2021-06-05 15:20:24,902 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7942 ImplicationChecksByTransitivity, 2193.2ms TimeCoverageRelationStatistics Valid=5440, Invalid=14300, Unknown=0, NotChecked=0, Total=19740 [2021-06-05 15:20:24,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28254 states. [2021-06-05 15:20:25,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28254 to 22012. [2021-06-05 15:20:25,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22012 states, 22011 states have (on average 2.520875925673527) internal successors, (55487), 22011 states have internal predecessors, (55487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:20:25,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22012 states to 22012 states and 55487 transitions. [2021-06-05 15:20:25,248 INFO L78 Accepts]: Start accepts. Automaton has 22012 states and 55487 transitions. Word has length 40 [2021-06-05 15:20:25,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:20:25,248 INFO L482 AbstractCegarLoop]: Abstraction has 22012 states and 55487 transitions. [2021-06-05 15:20:25,248 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 2.5172413793103448) internal successors, (73), 28 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:20:25,248 INFO L276 IsEmpty]: Start isEmpty. Operand 22012 states and 55487 transitions. [2021-06-05 15:20:25,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 15:20:25,260 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:20:25,260 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:20:25,460 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2867,127 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:20:25,460 INFO L430 AbstractCegarLoop]: === Iteration 132 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:20:25,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:20:25,460 INFO L82 PathProgramCache]: Analyzing trace with hash 163167602, now seen corresponding path program 127 times [2021-06-05 15:20:25,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:20:25,460 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326371776] [2021-06-05 15:20:25,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:20:25,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:20:25,529 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 38 proven. 46 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:20:25,529 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:20:25,530 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326371776] [2021-06-05 15:20:25,530 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326371776] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:20:25,530 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [692028322] [2021-06-05 15:20:25,530 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 128 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 128 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:20:25,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:20:25,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 15:20:25,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:20:25,799 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 34 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:20:25,799 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [692028322] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:20:25,799 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:20:25,799 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 17] total 27 [2021-06-05 15:20:25,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408783248] [2021-06-05 15:20:25,799 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 15:20:25,799 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:20:25,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 15:20:25,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=610, Unknown=0, NotChecked=0, Total=756 [2021-06-05 15:20:25,799 INFO L87 Difference]: Start difference. First operand 22012 states and 55487 transitions. Second operand has 28 states, 28 states have (on average 2.5357142857142856) internal successors, (71), 27 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:20:27,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:20:27,382 INFO L93 Difference]: Finished difference Result 23071 states and 57669 transitions. [2021-06-05 15:20:27,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-06-05 15:20:27,383 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 2.5357142857142856) internal successors, (71), 27 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-06-05 15:20:27,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:20:27,409 INFO L225 Difference]: With dead ends: 23071 [2021-06-05 15:20:27,409 INFO L226 Difference]: Without dead ends: 23053 [2021-06-05 15:20:27,410 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3632 ImplicationChecksByTransitivity, 1316.3ms TimeCoverageRelationStatistics Valid=2150, Invalid=7552, Unknown=0, NotChecked=0, Total=9702 [2021-06-05 15:20:27,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23053 states. [2021-06-05 15:20:27,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23053 to 22214. [2021-06-05 15:20:27,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22214 states, 22213 states have (on average 2.5227119254490615) internal successors, (56037), 22213 states have internal predecessors, (56037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:20:27,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22214 states to 22214 states and 56037 transitions. [2021-06-05 15:20:27,769 INFO L78 Accepts]: Start accepts. Automaton has 22214 states and 56037 transitions. Word has length 40 [2021-06-05 15:20:27,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:20:27,770 INFO L482 AbstractCegarLoop]: Abstraction has 22214 states and 56037 transitions. [2021-06-05 15:20:27,770 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 2.5357142857142856) internal successors, (71), 27 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:20:27,770 INFO L276 IsEmpty]: Start isEmpty. Operand 22214 states and 56037 transitions. [2021-06-05 15:20:27,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 15:20:27,781 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:20:27,781 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:20:27,981 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 128 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2868 [2021-06-05 15:20:27,981 INFO L430 AbstractCegarLoop]: === Iteration 133 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:20:27,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:20:27,981 INFO L82 PathProgramCache]: Analyzing trace with hash 1520419894, now seen corresponding path program 128 times [2021-06-05 15:20:27,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:20:27,982 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530510350] [2021-06-05 15:20:27,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:20:27,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:20:28,055 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 30 proven. 54 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:20:28,055 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:20:28,055 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530510350] [2021-06-05 15:20:28,055 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530510350] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:20:28,055 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [53847988] [2021-06-05 15:20:28,055 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 129 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 129 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:20:28,084 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 15:20:28,085 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:20:28,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 15:20:28,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:20:28,332 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 30 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:20:28,333 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [53847988] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:20:28,333 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:20:28,333 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 17] total 27 [2021-06-05 15:20:28,333 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014439227] [2021-06-05 15:20:28,333 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 15:20:28,333 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:20:28,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 15:20:28,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=619, Unknown=0, NotChecked=0, Total=756 [2021-06-05 15:20:28,334 INFO L87 Difference]: Start difference. First operand 22214 states and 56037 transitions. Second operand has 28 states, 28 states have (on average 2.642857142857143) internal successors, (74), 27 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:20:30,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:20:30,812 INFO L93 Difference]: Finished difference Result 36775 states and 91582 transitions. [2021-06-05 15:20:30,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2021-06-05 15:20:30,812 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 2.642857142857143) internal successors, (74), 27 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-06-05 15:20:30,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:20:30,856 INFO L225 Difference]: With dead ends: 36775 [2021-06-05 15:20:30,856 INFO L226 Difference]: Without dead ends: 36775 [2021-06-05 15:20:30,858 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8274 ImplicationChecksByTransitivity, 2114.7ms TimeCoverageRelationStatistics Valid=5518, Invalid=14504, Unknown=0, NotChecked=0, Total=20022 [2021-06-05 15:20:30,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36775 states. [2021-06-05 15:20:31,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36775 to 32904. [2021-06-05 15:20:31,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32904 states, 32903 states have (on average 2.529982068504392) internal successors, (83244), 32903 states have internal predecessors, (83244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:20:31,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32904 states to 32904 states and 83244 transitions. [2021-06-05 15:20:31,349 INFO L78 Accepts]: Start accepts. Automaton has 32904 states and 83244 transitions. Word has length 40 [2021-06-05 15:20:31,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:20:31,349 INFO L482 AbstractCegarLoop]: Abstraction has 32904 states and 83244 transitions. [2021-06-05 15:20:31,350 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 2.642857142857143) internal successors, (74), 27 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:20:31,350 INFO L276 IsEmpty]: Start isEmpty. Operand 32904 states and 83244 transitions. [2021-06-05 15:20:31,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 15:20:31,364 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:20:31,364 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:20:31,564 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 129 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2869 [2021-06-05 15:20:31,564 INFO L430 AbstractCegarLoop]: === Iteration 134 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:20:31,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:20:31,565 INFO L82 PathProgramCache]: Analyzing trace with hash -425600740, now seen corresponding path program 129 times [2021-06-05 15:20:31,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:20:31,565 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484790848] [2021-06-05 15:20:31,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:20:31,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:20:31,631 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 43 proven. 41 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:20:31,631 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:20:31,631 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484790848] [2021-06-05 15:20:31,631 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484790848] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:20:31,631 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1400511612] [2021-06-05 15:20:31,631 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 130 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 130 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:20:31,658 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-06-05 15:20:31,658 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:20:31,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 15:20:31,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:20:31,895 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 38 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:20:31,896 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1400511612] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:20:31,896 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:20:31,896 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 17] total 26 [2021-06-05 15:20:31,896 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355536368] [2021-06-05 15:20:31,896 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-05 15:20:31,896 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:20:31,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-05 15:20:31,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=567, Unknown=0, NotChecked=0, Total=702 [2021-06-05 15:20:31,896 INFO L87 Difference]: Start difference. First operand 32904 states and 83244 transitions. Second operand has 27 states, 27 states have (on average 2.5925925925925926) internal successors, (70), 26 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:20:33,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:20:33,476 INFO L93 Difference]: Finished difference Result 35887 states and 89458 transitions. [2021-06-05 15:20:33,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-06-05 15:20:33,476 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 2.5925925925925926) internal successors, (70), 26 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-06-05 15:20:33,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:20:33,520 INFO L225 Difference]: With dead ends: 35887 [2021-06-05 15:20:33,520 INFO L226 Difference]: Without dead ends: 35883 [2021-06-05 15:20:33,521 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3426 ImplicationChecksByTransitivity, 1323.2ms TimeCoverageRelationStatistics Valid=2678, Invalid=7024, Unknown=0, NotChecked=0, Total=9702 [2021-06-05 15:20:33,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35883 states. [2021-06-05 15:20:33,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35883 to 32269. [2021-06-05 15:20:33,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32269 states, 32268 states have (on average 2.526465848518656) internal successors, (81524), 32268 states have internal predecessors, (81524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:20:34,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32269 states to 32269 states and 81524 transitions. [2021-06-05 15:20:34,005 INFO L78 Accepts]: Start accepts. Automaton has 32269 states and 81524 transitions. Word has length 40 [2021-06-05 15:20:34,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:20:34,005 INFO L482 AbstractCegarLoop]: Abstraction has 32269 states and 81524 transitions. [2021-06-05 15:20:34,005 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 2.5925925925925926) internal successors, (70), 26 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:20:34,005 INFO L276 IsEmpty]: Start isEmpty. Operand 32269 states and 81524 transitions. [2021-06-05 15:20:34,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 15:20:34,019 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:20:34,020 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:20:34,220 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 130 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2870 [2021-06-05 15:20:34,220 INFO L430 AbstractCegarLoop]: === Iteration 135 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:20:34,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:20:34,220 INFO L82 PathProgramCache]: Analyzing trace with hash -931947006, now seen corresponding path program 130 times [2021-06-05 15:20:34,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:20:34,220 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285624881] [2021-06-05 15:20:34,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:20:34,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:20:34,292 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 37 proven. 47 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:20:34,292 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:20:34,292 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285624881] [2021-06-05 15:20:34,292 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285624881] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:20:34,292 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [95240991] [2021-06-05 15:20:34,292 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 131 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 131 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:20:34,317 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 15:20:34,317 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:20:34,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 15:20:34,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:20:34,560 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 33 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:20:34,560 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [95240991] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:20:34,560 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:20:34,560 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 17] total 27 [2021-06-05 15:20:34,560 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447679187] [2021-06-05 15:20:34,560 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 15:20:34,560 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:20:34,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 15:20:34,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=622, Unknown=0, NotChecked=0, Total=756 [2021-06-05 15:20:34,560 INFO L87 Difference]: Start difference. First operand 32269 states and 81524 transitions. Second operand has 28 states, 28 states have (on average 2.5) internal successors, (70), 27 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:20:36,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:20:36,032 INFO L93 Difference]: Finished difference Result 36401 states and 90806 transitions. [2021-06-05 15:20:36,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-06-05 15:20:36,032 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 2.5) internal successors, (70), 27 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-06-05 15:20:36,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:20:36,078 INFO L225 Difference]: With dead ends: 36401 [2021-06-05 15:20:36,078 INFO L226 Difference]: Without dead ends: 36389 [2021-06-05 15:20:36,079 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3240 ImplicationChecksByTransitivity, 1256.3ms TimeCoverageRelationStatistics Valid=2417, Invalid=6895, Unknown=0, NotChecked=0, Total=9312 [2021-06-05 15:20:36,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36389 states. [2021-06-05 15:20:36,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36389 to 31831. [2021-06-05 15:20:36,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31831 states, 31830 states have (on average 2.527615457115928) internal successors, (80454), 31830 states have internal predecessors, (80454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:20:36,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31831 states to 31831 states and 80454 transitions. [2021-06-05 15:20:36,642 INFO L78 Accepts]: Start accepts. Automaton has 31831 states and 80454 transitions. Word has length 40 [2021-06-05 15:20:36,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:20:36,642 INFO L482 AbstractCegarLoop]: Abstraction has 31831 states and 80454 transitions. [2021-06-05 15:20:36,642 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 2.5) internal successors, (70), 27 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:20:36,642 INFO L276 IsEmpty]: Start isEmpty. Operand 31831 states and 80454 transitions. [2021-06-05 15:20:36,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 15:20:36,656 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:20:36,657 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:20:36,857 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2871,131 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:20:36,858 INFO L430 AbstractCegarLoop]: === Iteration 136 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:20:36,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:20:36,858 INFO L82 PathProgramCache]: Analyzing trace with hash -1159168386, now seen corresponding path program 131 times [2021-06-05 15:20:36,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:20:36,858 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052009443] [2021-06-05 15:20:36,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:20:36,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:20:36,937 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 30 proven. 54 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:20:36,937 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:20:36,937 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052009443] [2021-06-05 15:20:36,937 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052009443] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:20:36,937 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [573478984] [2021-06-05 15:20:36,937 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 132 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 132 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:20:36,965 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-06-05 15:20:36,965 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:20:36,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 15:20:36,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:20:37,214 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 27 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:20:37,214 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [573478984] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:20:37,214 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:20:37,215 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 17] total 28 [2021-06-05 15:20:37,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653749858] [2021-06-05 15:20:37,215 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-05 15:20:37,215 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:20:37,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-05 15:20:37,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=674, Unknown=0, NotChecked=0, Total=812 [2021-06-05 15:20:37,215 INFO L87 Difference]: Start difference. First operand 31831 states and 80454 transitions. Second operand has 29 states, 29 states have (on average 2.413793103448276) internal successors, (70), 28 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:20:38,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:20:38,687 INFO L93 Difference]: Finished difference Result 37561 states and 93690 transitions. [2021-06-05 15:20:38,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-06-05 15:20:38,687 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 2.413793103448276) internal successors, (70), 28 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-06-05 15:20:38,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:20:38,735 INFO L225 Difference]: With dead ends: 37561 [2021-06-05 15:20:38,735 INFO L226 Difference]: Without dead ends: 37541 [2021-06-05 15:20:38,736 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3190 ImplicationChecksByTransitivity, 1264.3ms TimeCoverageRelationStatistics Valid=2289, Invalid=7023, Unknown=0, NotChecked=0, Total=9312 [2021-06-05 15:20:38,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37541 states. [2021-06-05 15:20:39,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37541 to 32042. [2021-06-05 15:20:39,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32042 states, 32041 states have (on average 2.529758746605911) internal successors, (81056), 32041 states have internal predecessors, (81056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:20:39,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32042 states to 32042 states and 81056 transitions. [2021-06-05 15:20:39,242 INFO L78 Accepts]: Start accepts. Automaton has 32042 states and 81056 transitions. Word has length 40 [2021-06-05 15:20:39,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:20:39,242 INFO L482 AbstractCegarLoop]: Abstraction has 32042 states and 81056 transitions. [2021-06-05 15:20:39,242 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 2.413793103448276) internal successors, (70), 28 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:20:39,242 INFO L276 IsEmpty]: Start isEmpty. Operand 32042 states and 81056 transitions. [2021-06-05 15:20:39,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 15:20:39,256 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:20:39,256 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:20:39,456 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 132 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2872 [2021-06-05 15:20:39,456 INFO L430 AbstractCegarLoop]: === Iteration 137 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:20:39,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:20:39,457 INFO L82 PathProgramCache]: Analyzing trace with hash -475582470, now seen corresponding path program 132 times [2021-06-05 15:20:39,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:20:39,457 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832564525] [2021-06-05 15:20:39,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:20:39,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:20:39,542 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 27 proven. 57 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:20:39,543 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:20:39,543 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832564525] [2021-06-05 15:20:39,543 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832564525] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:20:39,543 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1073691857] [2021-06-05 15:20:39,543 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 133 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 133 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:20:39,571 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-06-05 15:20:39,571 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:20:39,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 15:20:39,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:20:39,823 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 25 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:20:39,823 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1073691857] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:20:39,823 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:20:39,823 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 17] total 29 [2021-06-05 15:20:39,823 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148002701] [2021-06-05 15:20:39,823 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-05 15:20:39,824 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:20:39,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-05 15:20:39,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=724, Unknown=0, NotChecked=0, Total=870 [2021-06-05 15:20:39,824 INFO L87 Difference]: Start difference. First operand 32042 states and 81056 transitions. Second operand has 30 states, 30 states have (on average 2.3333333333333335) internal successors, (70), 29 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:20:41,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:20:41,444 INFO L93 Difference]: Finished difference Result 39838 states and 99403 transitions. [2021-06-05 15:20:41,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-06-05 15:20:41,444 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 2.3333333333333335) internal successors, (70), 29 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-06-05 15:20:41,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:20:41,492 INFO L225 Difference]: With dead ends: 39838 [2021-06-05 15:20:41,493 INFO L226 Difference]: Without dead ends: 39810 [2021-06-05 15:20:41,493 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3289 ImplicationChecksByTransitivity, 1386.2ms TimeCoverageRelationStatistics Valid=2297, Invalid=7405, Unknown=0, NotChecked=0, Total=9702 [2021-06-05 15:20:41,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39810 states. [2021-06-05 15:20:41,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39810 to 33837. [2021-06-05 15:20:41,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33837 states, 33836 states have (on average 2.535997162785199) internal successors, (85808), 33836 states have internal predecessors, (85808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:20:42,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33837 states to 33837 states and 85808 transitions. [2021-06-05 15:20:42,019 INFO L78 Accepts]: Start accepts. Automaton has 33837 states and 85808 transitions. Word has length 40 [2021-06-05 15:20:42,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:20:42,019 INFO L482 AbstractCegarLoop]: Abstraction has 33837 states and 85808 transitions. [2021-06-05 15:20:42,019 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 2.3333333333333335) internal successors, (70), 29 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:20:42,019 INFO L276 IsEmpty]: Start isEmpty. Operand 33837 states and 85808 transitions. [2021-06-05 15:20:42,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 15:20:42,034 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:20:42,034 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:20:42,234 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 133 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2873 [2021-06-05 15:20:42,234 INFO L430 AbstractCegarLoop]: === Iteration 138 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:20:42,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:20:42,235 INFO L82 PathProgramCache]: Analyzing trace with hash -679513482, now seen corresponding path program 133 times [2021-06-05 15:20:42,235 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:20:42,235 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105396958] [2021-06-05 15:20:42,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:20:42,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:20:42,328 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 28 proven. 56 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:20:42,328 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:20:42,328 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105396958] [2021-06-05 15:20:42,328 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105396958] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:20:42,328 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [922925801] [2021-06-05 15:20:42,328 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 134 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 134 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:20:42,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:20:42,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 15:20:42,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:20:42,611 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 27 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:20:42,611 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [922925801] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:20:42,611 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:20:42,611 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17] total 30 [2021-06-05 15:20:42,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197331140] [2021-06-05 15:20:42,611 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-05 15:20:42,611 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:20:42,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-05 15:20:42,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=772, Unknown=0, NotChecked=0, Total=930 [2021-06-05 15:20:42,612 INFO L87 Difference]: Start difference. First operand 33837 states and 85808 transitions. Second operand has 31 states, 31 states have (on average 2.2580645161290325) internal successors, (70), 30 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:20:44,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:20:44,244 INFO L93 Difference]: Finished difference Result 43908 states and 109576 transitions. [2021-06-05 15:20:44,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-06-05 15:20:44,244 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 2.2580645161290325) internal successors, (70), 30 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-06-05 15:20:44,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:20:44,298 INFO L225 Difference]: With dead ends: 43908 [2021-06-05 15:20:44,298 INFO L226 Difference]: Without dead ends: 43872 [2021-06-05 15:20:44,299 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3564 ImplicationChecksByTransitivity, 1419.8ms TimeCoverageRelationStatistics Valid=2443, Invalid=8063, Unknown=0, NotChecked=0, Total=10506 [2021-06-05 15:20:44,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43872 states. [2021-06-05 15:20:44,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43872 to 40323. [2021-06-05 15:20:44,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40323 states, 40322 states have (on average 2.537894945687218) internal successors, (102333), 40322 states have internal predecessors, (102333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:20:44,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40323 states to 40323 states and 102333 transitions. [2021-06-05 15:20:44,999 INFO L78 Accepts]: Start accepts. Automaton has 40323 states and 102333 transitions. Word has length 40 [2021-06-05 15:20:44,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:20:44,999 INFO L482 AbstractCegarLoop]: Abstraction has 40323 states and 102333 transitions. [2021-06-05 15:20:44,999 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 2.2580645161290325) internal successors, (70), 30 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:20:44,999 INFO L276 IsEmpty]: Start isEmpty. Operand 40323 states and 102333 transitions. [2021-06-05 15:20:45,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 15:20:45,018 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:20:45,018 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:20:45,218 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 134 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2874 [2021-06-05 15:20:45,218 INFO L430 AbstractCegarLoop]: === Iteration 139 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:20:45,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:20:45,219 INFO L82 PathProgramCache]: Analyzing trace with hash 911279602, now seen corresponding path program 134 times [2021-06-05 15:20:45,219 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:20:45,219 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500145382] [2021-06-05 15:20:45,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:20:45,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:20:45,319 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 33 proven. 51 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:20:45,320 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:20:45,320 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500145382] [2021-06-05 15:20:45,320 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500145382] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:20:45,320 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [541788552] [2021-06-05 15:20:45,320 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 135 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 135 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:20:45,345 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 15:20:45,345 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:20:45,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 15:20:45,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:20:45,610 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 33 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:20:45,610 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [541788552] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:20:45,610 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:20:45,610 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17] total 31 [2021-06-05 15:20:45,610 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267911071] [2021-06-05 15:20:45,610 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-05 15:20:45,610 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:20:45,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-05 15:20:45,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=818, Unknown=0, NotChecked=0, Total=992 [2021-06-05 15:20:45,611 INFO L87 Difference]: Start difference. First operand 40323 states and 102333 transitions. Second operand has 32 states, 32 states have (on average 2.1875) internal successors, (70), 31 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:20:47,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:20:47,434 INFO L93 Difference]: Finished difference Result 50681 states and 126374 transitions. [2021-06-05 15:20:47,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-06-05 15:20:47,435 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 2.1875) internal successors, (70), 31 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-06-05 15:20:47,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:20:47,501 INFO L225 Difference]: With dead ends: 50681 [2021-06-05 15:20:47,502 INFO L226 Difference]: Without dead ends: 50637 [2021-06-05 15:20:47,503 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4059 ImplicationChecksByTransitivity, 1574.9ms TimeCoverageRelationStatistics Valid=2727, Invalid=9045, Unknown=0, NotChecked=0, Total=11772 [2021-06-05 15:20:47,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50637 states. [2021-06-05 15:20:48,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50637 to 46817. [2021-06-05 15:20:48,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46817 states, 46816 states have (on average 2.533685064935065) internal successors, (118617), 46816 states have internal predecessors, (118617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:20:48,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46817 states to 46817 states and 118617 transitions. [2021-06-05 15:20:48,350 INFO L78 Accepts]: Start accepts. Automaton has 46817 states and 118617 transitions. Word has length 40 [2021-06-05 15:20:48,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:20:48,350 INFO L482 AbstractCegarLoop]: Abstraction has 46817 states and 118617 transitions. [2021-06-05 15:20:48,350 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 2.1875) internal successors, (70), 31 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:20:48,350 INFO L276 IsEmpty]: Start isEmpty. Operand 46817 states and 118617 transitions. [2021-06-05 15:20:48,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 15:20:48,372 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:20:48,372 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:20:48,573 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2875,135 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:20:48,573 INFO L430 AbstractCegarLoop]: === Iteration 140 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:20:48,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:20:48,573 INFO L82 PathProgramCache]: Analyzing trace with hash 655075950, now seen corresponding path program 135 times [2021-06-05 15:20:48,573 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:20:48,573 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307079968] [2021-06-05 15:20:48,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:20:48,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:20:48,686 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 43 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:20:48,686 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:20:48,686 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307079968] [2021-06-05 15:20:48,686 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307079968] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:20:48,686 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [501444119] [2021-06-05 15:20:48,686 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 136 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 136 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:20:48,714 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-06-05 15:20:48,714 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:20:48,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 15:20:48,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:20:48,986 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 43 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:20:48,986 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [501444119] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:20:48,986 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:20:48,986 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-06-05 15:20:48,986 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043746529] [2021-06-05 15:20:48,986 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-06-05 15:20:48,986 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:20:48,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-06-05 15:20:48,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=862, Unknown=0, NotChecked=0, Total=1056 [2021-06-05 15:20:48,986 INFO L87 Difference]: Start difference. First operand 46817 states and 118617 transitions. Second operand has 33 states, 33 states have (on average 2.121212121212121) internal successors, (70), 32 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:20:50,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:20:50,874 INFO L93 Difference]: Finished difference Result 50538 states and 126417 transitions. [2021-06-05 15:20:50,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-06-05 15:20:50,874 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 2.121212121212121) internal successors, (70), 32 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-06-05 15:20:50,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:20:50,943 INFO L225 Difference]: With dead ends: 50538 [2021-06-05 15:20:50,943 INFO L226 Difference]: Without dead ends: 50486 [2021-06-05 15:20:50,945 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4831 ImplicationChecksByTransitivity, 1683.2ms TimeCoverageRelationStatistics Valid=3147, Invalid=10425, Unknown=0, NotChecked=0, Total=13572 [2021-06-05 15:20:50,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50486 states. [2021-06-05 15:20:51,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50486 to 46981. [2021-06-05 15:20:51,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46981 states, 46980 states have (on average 2.5367177522349937) internal successors, (119175), 46980 states have internal predecessors, (119175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:20:51,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46981 states to 46981 states and 119175 transitions. [2021-06-05 15:20:51,901 INFO L78 Accepts]: Start accepts. Automaton has 46981 states and 119175 transitions. Word has length 40 [2021-06-05 15:20:51,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:20:51,901 INFO L482 AbstractCegarLoop]: Abstraction has 46981 states and 119175 transitions. [2021-06-05 15:20:51,901 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 2.121212121212121) internal successors, (70), 32 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:20:51,901 INFO L276 IsEmpty]: Start isEmpty. Operand 46981 states and 119175 transitions. [2021-06-05 15:20:51,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-06-05 15:20:51,928 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:20:51,928 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:20:52,128 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 136 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2876 [2021-06-05 15:20:52,128 INFO L430 AbstractCegarLoop]: === Iteration 141 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:20:52,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:20:52,129 INFO L82 PathProgramCache]: Analyzing trace with hash -1401589900, now seen corresponding path program 136 times [2021-06-05 15:20:52,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:20:52,129 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698892483] [2021-06-05 15:20:52,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:20:52,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:20:52,173 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:20:52,173 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:20:52,173 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698892483] [2021-06-05 15:20:52,173 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698892483] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:20:52,173 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2046607065] [2021-06-05 15:20:52,173 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 137 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 137 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:20:52,213 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 15:20:52,214 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:20:52,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 45 conjunts are in the unsatisfiable core [2021-06-05 15:20:52,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:20:52,397 INFO L354 Elim1Store]: treesize reduction 72, result has 57.4 percent of original size [2021-06-05 15:20:52,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 151 treesize of output 153 [2021-06-05 15:20:52,401 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:20:52,446 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:20:52,447 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:20:52,447 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:151, output treesize:422 [2021-06-05 15:20:54,283 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2021-06-05 15:20:56,235 WARN L205 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 621 DAG size of output: 621 [2021-06-05 15:20:57,757 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 1196 [2021-06-05 15:20:58,831 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1196 [2021-06-05 15:21:00,270 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1196 [2021-06-05 15:21:16,620 WARN L205 SmtUtils]: Spent 10.60 s on a formula simplification. DAG size of input: 1196 DAG size of output: 58 [2021-06-05 15:21:17,923 INFO L354 Elim1Store]: treesize reduction 153, result has 9.5 percent of original size [2021-06-05 15:21:17,923 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 13 new quantified variables, introduced 21 case distinctions, treesize of input 223 treesize of output 86 [2021-06-05 15:21:17,925 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:18,086 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 111 [2021-06-05 15:21:18,087 INFO L628 ElimStorePlain]: treesize reduction 863, result has 37.4 percent of original size [2021-06-05 15:21:18,161 INFO L354 Elim1Store]: treesize reduction 113, result has 33.1 percent of original size [2021-06-05 15:21:18,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 86 treesize of output 91 [2021-06-05 15:21:18,164 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:18,208 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:21:18,249 INFO L354 Elim1Store]: treesize reduction 151, result has 10.7 percent of original size [2021-06-05 15:21:18,249 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 13 new quantified variables, introduced 21 case distinctions, treesize of input 87 treesize of output 52 [2021-06-05 15:21:18,250 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:18,291 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:21:18,327 INFO L354 Elim1Store]: treesize reduction 156, result has 7.7 percent of original size [2021-06-05 15:21:18,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 86 treesize of output 46 [2021-06-05 15:21:18,328 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:18,364 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:21:18,459 INFO L354 Elim1Store]: treesize reduction 84, result has 50.3 percent of original size [2021-06-05 15:21:18,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 101 treesize of output 133 [2021-06-05 15:21:18,463 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:18,472 INFO L628 ElimStorePlain]: treesize reduction 179, result has 1.6 percent of original size [2021-06-05 15:21:18,473 INFO L518 ElimStorePlain]: Eliminatee v_prenex_138 vanished before elimination [2021-06-05 15:21:18,473 INFO L518 ElimStorePlain]: Eliminatee v_prenex_139 vanished before elimination [2021-06-05 15:21:18,473 INFO L550 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 7 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:21:18,473 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 14 variables, input treesize:1590, output treesize:3 [2021-06-05 15:21:18,479 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:21:18,479 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2046607065] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:21:18,479 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:21:18,479 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 16] total 23 [2021-06-05 15:21:18,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741222498] [2021-06-05 15:21:18,479 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-05 15:21:18,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:21:18,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-05 15:21:18,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2021-06-05 15:21:18,480 INFO L87 Difference]: Start difference. First operand 46981 states and 119175 transitions. Second operand has 23 states, 23 states have (on average 3.130434782608696) internal successors, (72), 23 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:21:19,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:21:19,044 INFO L93 Difference]: Finished difference Result 50920 states and 128844 transitions. [2021-06-05 15:21:19,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-05 15:21:19,045 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.130434782608696) internal successors, (72), 23 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2021-06-05 15:21:19,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:21:19,122 INFO L225 Difference]: With dead ends: 50920 [2021-06-05 15:21:19,122 INFO L226 Difference]: Without dead ends: 50913 [2021-06-05 15:21:19,122 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 17232.3ms TimeCoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2021-06-05 15:21:19,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50913 states. [2021-06-05 15:21:19,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50913 to 49976. [2021-06-05 15:21:19,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49976 states, 49975 states have (on average 2.542091045522761) internal successors, (127041), 49975 states have internal predecessors, (127041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:21:19,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49976 states to 49976 states and 127041 transitions. [2021-06-05 15:21:19,963 INFO L78 Accepts]: Start accepts. Automaton has 49976 states and 127041 transitions. Word has length 42 [2021-06-05 15:21:19,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:21:19,963 INFO L482 AbstractCegarLoop]: Abstraction has 49976 states and 127041 transitions. [2021-06-05 15:21:19,963 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 3.130434782608696) internal successors, (72), 23 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:21:19,963 INFO L276 IsEmpty]: Start isEmpty. Operand 49976 states and 127041 transitions. [2021-06-05 15:21:19,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-06-05 15:21:19,991 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:21:19,991 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:21:20,191 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2877,137 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:21:20,191 INFO L430 AbstractCegarLoop]: === Iteration 142 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:21:20,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:21:20,192 INFO L82 PathProgramCache]: Analyzing trace with hash 631984244, now seen corresponding path program 137 times [2021-06-05 15:21:20,192 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:21:20,192 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052574180] [2021-06-05 15:21:20,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:21:20,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:21:20,235 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 15:21:20,235 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:21:20,235 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052574180] [2021-06-05 15:21:20,235 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052574180] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:21:20,235 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [774456727] [2021-06-05 15:21:20,235 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 138 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 138 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:21:20,264 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-06-05 15:21:20,264 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:21:20,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 49 conjunts are in the unsatisfiable core [2021-06-05 15:21:20,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:21:20,782 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2021-06-05 15:21:20,783 INFO L354 Elim1Store]: treesize reduction 755, result has 23.8 percent of original size [2021-06-05 15:21:20,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 18 new quantified variables, introduced 66 case distinctions, treesize of input 187 treesize of output 310 [2021-06-05 15:21:20,789 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:20,835 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:21:20,836 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:21:20,836 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:187, output treesize:412 [2021-06-05 15:21:22,276 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2021-06-05 15:21:22,502 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:22,502 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 196 treesize of output 53 [2021-06-05 15:21:22,504 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:22,564 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:22,564 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 206 treesize of output 57 [2021-06-05 15:21:22,565 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:22,636 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:22,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 173 treesize of output 1 [2021-06-05 15:21:22,637 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:22,695 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:22,696 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 234 treesize of output 61 [2021-06-05 15:21:22,697 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:22,756 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:22,756 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 192 treesize of output 55 [2021-06-05 15:21:22,757 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:22,816 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:22,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 169 treesize of output 50 [2021-06-05 15:21:22,817 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:22,880 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:22,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 199 treesize of output 56 [2021-06-05 15:21:22,882 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:22,944 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:22,945 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 192 treesize of output 55 [2021-06-05 15:21:22,946 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:23,024 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:23,024 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 212 treesize of output 65 [2021-06-05 15:21:23,025 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:23,094 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:23,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 181 treesize of output 50 [2021-06-05 15:21:23,098 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:23,168 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:23,168 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 178 treesize of output 1 [2021-06-05 15:21:23,169 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:23,235 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:23,235 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 210 treesize of output 55 [2021-06-05 15:21:23,236 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:23,299 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:23,299 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 194 treesize of output 55 [2021-06-05 15:21:23,301 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:23,382 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:23,383 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 227 treesize of output 1 [2021-06-05 15:21:23,383 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:23,455 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:23,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 218 treesize of output 1 [2021-06-05 15:21:23,456 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:23,534 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:23,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 207 treesize of output 64 [2021-06-05 15:21:23,535 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:23,606 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:23,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 213 treesize of output 1 [2021-06-05 15:21:23,607 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:23,682 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:23,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 154 treesize of output 1 [2021-06-05 15:21:23,683 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:23,753 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:23,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 213 treesize of output 58 [2021-06-05 15:21:23,754 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:23,828 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:23,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 159 treesize of output 1 [2021-06-05 15:21:23,828 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:23,899 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:23,899 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 213 treesize of output 58 [2021-06-05 15:21:23,900 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:23,975 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:23,975 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 207 treesize of output 1 [2021-06-05 15:21:23,976 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:24,054 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:24,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 182 treesize of output 53 [2021-06-05 15:21:24,055 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:24,135 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:24,135 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 172 treesize of output 1 [2021-06-05 15:21:24,136 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:24,210 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:24,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 210 treesize of output 55 [2021-06-05 15:21:24,212 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:24,297 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:24,297 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 217 treesize of output 66 [2021-06-05 15:21:24,298 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:24,378 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:24,378 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 184 treesize of output 53 [2021-06-05 15:21:24,379 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:24,470 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:24,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 212 treesize of output 65 [2021-06-05 15:21:24,472 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:24,562 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:24,562 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 232 treesize of output 1 [2021-06-05 15:21:24,563 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:24,649 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:24,650 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 194 treesize of output 55 [2021-06-05 15:21:24,651 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:24,731 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:24,732 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 172 treesize of output 1 [2021-06-05 15:21:24,732 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:24,810 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:24,810 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 177 treesize of output 52 [2021-06-05 15:21:24,812 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:24,890 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:24,890 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 175 treesize of output 52 [2021-06-05 15:21:24,891 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:24,980 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:24,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 199 treesize of output 56 [2021-06-05 15:21:24,982 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:25,062 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:25,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 206 treesize of output 57 [2021-06-05 15:21:25,064 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:25,144 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:25,145 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 [2021-06-05 15:21:25,146 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:25,232 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:25,232 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 199 treesize of output 1 [2021-06-05 15:21:25,232 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:25,317 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:25,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 184 treesize of output 53 [2021-06-05 15:21:25,319 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:25,410 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:25,410 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 [2021-06-05 15:21:25,411 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:25,504 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:25,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 232 treesize of output 69 [2021-06-05 15:21:25,505 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:25,587 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:25,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 205 treesize of output 56 [2021-06-05 15:21:25,589 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:25,676 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:25,676 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 223 treesize of output 1 [2021-06-05 15:21:25,677 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:25,761 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:25,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 207 treesize of output 58 [2021-06-05 15:21:25,763 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:25,851 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:25,851 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 201 treesize of output 56 [2021-06-05 15:21:25,852 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:25,937 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:25,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 208 treesize of output 57 [2021-06-05 15:21:25,938 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:26,024 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:26,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 199 treesize of output 56 [2021-06-05 15:21:26,026 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:26,128 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:26,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 207 treesize of output 64 [2021-06-05 15:21:26,129 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:26,222 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:26,222 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 154 treesize of output 1 [2021-06-05 15:21:26,223 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:26,310 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:26,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 191 treesize of output 52 [2021-06-05 15:21:26,312 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:26,401 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:26,402 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 189 treesize of output 54 [2021-06-05 15:21:26,403 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:26,495 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:26,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 195 treesize of output 54 [2021-06-05 15:21:26,497 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:26,585 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:26,586 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 213 treesize of output 58 [2021-06-05 15:21:26,587 INFO L550 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:26,680 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:26,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 195 treesize of output 56 [2021-06-05 15:21:26,681 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:26,772 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:26,773 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 224 treesize of output 59 [2021-06-05 15:21:26,774 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:26,875 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:26,875 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 207 treesize of output 64 [2021-06-05 15:21:26,876 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:26,972 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:26,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 206 treesize of output 1 [2021-06-05 15:21:26,973 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:27,075 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:27,076 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 227 treesize of output 68 [2021-06-05 15:21:27,077 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:27,169 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:27,169 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 212 treesize of output 59 [2021-06-05 15:21:27,170 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:27,268 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:27,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 195 treesize of output 54 [2021-06-05 15:21:27,270 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:27,363 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:27,363 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 218 treesize of output 59 [2021-06-05 15:21:27,364 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:27,458 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:27,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 187 treesize of output 54 [2021-06-05 15:21:27,459 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:27,563 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:27,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 222 treesize of output 67 [2021-06-05 15:21:27,565 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:27,659 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:27,660 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 191 treesize of output 52 [2021-06-05 15:21:27,661 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:27,760 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:27,760 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 194 treesize of output 55 [2021-06-05 15:21:27,761 INFO L550 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:27,859 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:27,860 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 191 treesize of output 52 [2021-06-05 15:21:27,861 INFO L550 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:27,959 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:27,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 192 treesize of output 55 [2021-06-05 15:21:27,960 INFO L550 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:28,062 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:28,062 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 203 treesize of output 58 [2021-06-05 15:21:28,063 INFO L550 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:28,161 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:28,162 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 204 treesize of output 57 [2021-06-05 15:21:28,163 INFO L550 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:28,351 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:28,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 212 treesize of output 65 [2021-06-05 15:21:28,353 INFO L550 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:28,404 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:28,404 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 177 treesize of output 52 [2021-06-05 15:21:28,405 INFO L550 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:28,457 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:28,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 204 treesize of output 57 [2021-06-05 15:21:28,459 INFO L550 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:28,512 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:28,512 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 227 treesize of output 62 [2021-06-05 15:21:28,513 INFO L550 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:28,566 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:28,566 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 206 treesize of output 55 [2021-06-05 15:21:28,567 INFO L550 ElimStorePlain]: Start of recursive call 74: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:28,621 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:28,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 211 treesize of output 58 [2021-06-05 15:21:28,623 INFO L550 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:28,678 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:28,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 179 treesize of output 52 [2021-06-05 15:21:28,679 INFO L550 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:28,745 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:28,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 212 treesize of output 65 [2021-06-05 15:21:28,747 INFO L550 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:28,801 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:28,801 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 209 treesize of output 56 [2021-06-05 15:21:28,802 INFO L550 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:28,858 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:28,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 194 treesize of output 55 [2021-06-05 15:21:28,859 INFO L550 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:28,914 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:28,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 177 treesize of output 52 [2021-06-05 15:21:28,916 INFO L550 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:28,983 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:28,983 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 222 treesize of output 67 [2021-06-05 15:21:28,985 INFO L550 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:29,042 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:29,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 208 treesize of output 59 [2021-06-05 15:21:29,043 INFO L550 ElimStorePlain]: Start of recursive call 82: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:29,100 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:29,101 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 194 treesize of output 55 [2021-06-05 15:21:29,102 INFO L550 ElimStorePlain]: Start of recursive call 83: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:29,163 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:29,163 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 203 treesize of output 58 [2021-06-05 15:21:29,164 INFO L550 ElimStorePlain]: Start of recursive call 84: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:29,225 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:29,225 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 232 treesize of output 63 [2021-06-05 15:21:29,226 INFO L550 ElimStorePlain]: Start of recursive call 85: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:29,285 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:29,285 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 51 [2021-06-05 15:21:29,286 INFO L550 ElimStorePlain]: Start of recursive call 86: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:29,347 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:29,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 212 treesize of output 59 [2021-06-05 15:21:29,349 INFO L550 ElimStorePlain]: Start of recursive call 87: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:29,422 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:29,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 207 treesize of output 64 [2021-06-05 15:21:29,424 INFO L550 ElimStorePlain]: Start of recursive call 88: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:29,486 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:29,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 203 treesize of output 56 [2021-06-05 15:21:29,487 INFO L550 ElimStorePlain]: Start of recursive call 89: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:29,551 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:29,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 191 treesize of output 52 [2021-06-05 15:21:29,552 INFO L550 ElimStorePlain]: Start of recursive call 90: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:29,617 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:29,617 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 209 treesize of output 58 [2021-06-05 15:21:29,618 INFO L550 ElimStorePlain]: Start of recursive call 91: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:29,684 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:29,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 179 treesize of output 52 [2021-06-05 15:21:29,686 INFO L550 ElimStorePlain]: Start of recursive call 92: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:29,760 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:29,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 217 treesize of output 66 [2021-06-05 15:21:29,761 INFO L550 ElimStorePlain]: Start of recursive call 93: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:29,826 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:29,826 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 203 treesize of output 58 [2021-06-05 15:21:29,828 INFO L550 ElimStorePlain]: Start of recursive call 94: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:29,893 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:29,893 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 194 treesize of output 55 [2021-06-05 15:21:29,895 INFO L550 ElimStorePlain]: Start of recursive call 95: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:29,960 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:29,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 199 treesize of output 56 [2021-06-05 15:21:29,962 INFO L550 ElimStorePlain]: Start of recursive call 96: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:30,030 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:30,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 169 treesize of output 50 [2021-06-05 15:21:30,031 INFO L550 ElimStorePlain]: Start of recursive call 97: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:30,099 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:30,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 215 treesize of output 56 [2021-06-05 15:21:30,101 INFO L550 ElimStorePlain]: Start of recursive call 98: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:30,169 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:30,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 175 treesize of output 52 [2021-06-05 15:21:30,171 INFO L550 ElimStorePlain]: Start of recursive call 99: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:30,242 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:30,242 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 217 treesize of output 60 [2021-06-05 15:21:30,243 INFO L550 ElimStorePlain]: Start of recursive call 100: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:30,313 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:30,313 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 189 treesize of output 54 [2021-06-05 15:21:30,314 INFO L550 ElimStorePlain]: Start of recursive call 101: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:30,384 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:30,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 182 treesize of output 53 [2021-06-05 15:21:30,385 INFO L550 ElimStorePlain]: Start of recursive call 102: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:30,465 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:30,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 212 treesize of output 65 [2021-06-05 15:21:30,467 INFO L550 ElimStorePlain]: Start of recursive call 103: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:30,548 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:30,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 222 treesize of output 67 [2021-06-05 15:21:30,549 INFO L550 ElimStorePlain]: Start of recursive call 104: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:30,622 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:30,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 222 treesize of output 61 [2021-06-05 15:21:30,623 INFO L550 ElimStorePlain]: Start of recursive call 105: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:30,695 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:30,695 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 179 treesize of output 52 [2021-06-05 15:21:30,696 INFO L550 ElimStorePlain]: Start of recursive call 106: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:30,768 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:30,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 184 treesize of output 53 [2021-06-05 15:21:30,770 INFO L550 ElimStorePlain]: Start of recursive call 107: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:30,842 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:30,842 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 197 treesize of output 56 [2021-06-05 15:21:30,843 INFO L550 ElimStorePlain]: Start of recursive call 108: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:30,916 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:30,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 180 treesize of output 51 [2021-06-05 15:21:30,917 INFO L550 ElimStorePlain]: Start of recursive call 109: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:30,991 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:30,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 174 treesize of output 51 [2021-06-05 15:21:30,993 INFO L550 ElimStorePlain]: Start of recursive call 110: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:31,068 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:31,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 190 treesize of output 53 [2021-06-05 15:21:31,069 INFO L550 ElimStorePlain]: Start of recursive call 111: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:31,154 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:31,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 212 treesize of output 65 [2021-06-05 15:21:31,156 INFO L550 ElimStorePlain]: Start of recursive call 112: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:31,232 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:31,233 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 192 treesize of output 55 [2021-06-05 15:21:31,238 INFO L550 ElimStorePlain]: Start of recursive call 113: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:31,315 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:31,316 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 224 treesize of output 59 [2021-06-05 15:21:31,317 INFO L550 ElimStorePlain]: Start of recursive call 114: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:31,394 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:31,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 208 treesize of output 59 [2021-06-05 15:21:31,395 INFO L550 ElimStorePlain]: Start of recursive call 115: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:31,483 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:31,483 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 182 treesize of output 53 [2021-06-05 15:21:31,484 INFO L550 ElimStorePlain]: Start of recursive call 116: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:31,562 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:31,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 212 treesize of output 59 [2021-06-05 15:21:31,563 INFO L550 ElimStorePlain]: Start of recursive call 117: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:31,642 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:31,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 206 treesize of output 55 [2021-06-05 15:21:31,644 INFO L550 ElimStorePlain]: Start of recursive call 118: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:31,722 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:31,722 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 218 treesize of output 61 [2021-06-05 15:21:31,723 INFO L550 ElimStorePlain]: Start of recursive call 119: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:31,802 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:31,803 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 194 treesize of output 55 [2021-06-05 15:21:31,804 INFO L550 ElimStorePlain]: Start of recursive call 120: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:31,883 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:31,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 192 treesize of output 55 [2021-06-05 15:21:31,884 INFO L550 ElimStorePlain]: Start of recursive call 121: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:31,964 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:31,964 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 235 treesize of output 62 [2021-06-05 15:21:31,966 INFO L550 ElimStorePlain]: Start of recursive call 122: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:32,046 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:32,046 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 189 treesize of output 54 [2021-06-05 15:21:32,047 INFO L550 ElimStorePlain]: Start of recursive call 123: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:32,128 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:32,129 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 201 treesize of output 54 [2021-06-05 15:21:32,130 INFO L550 ElimStorePlain]: Start of recursive call 124: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:32,211 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:32,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 201 treesize of output 56 [2021-06-05 15:21:32,212 INFO L550 ElimStorePlain]: Start of recursive call 125: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:32,295 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:32,295 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 202 treesize of output 57 [2021-06-05 15:21:32,296 INFO L550 ElimStorePlain]: Start of recursive call 126: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:32,388 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:32,388 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 222 treesize of output 67 [2021-06-05 15:21:32,389 INFO L550 ElimStorePlain]: Start of recursive call 127: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:32,472 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:32,472 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 218 treesize of output 59 [2021-06-05 15:21:32,473 INFO L550 ElimStorePlain]: Start of recursive call 128: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:32,557 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:32,557 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 201 treesize of output 56 [2021-06-05 15:21:32,558 INFO L550 ElimStorePlain]: Start of recursive call 129: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:32,641 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:32,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 179 treesize of output 52 [2021-06-05 15:21:32,643 INFO L550 ElimStorePlain]: Start of recursive call 130: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:32,727 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:32,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 201 treesize of output 56 [2021-06-05 15:21:32,728 INFO L550 ElimStorePlain]: Start of recursive call 131: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:32,814 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:32,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 216 treesize of output 59 [2021-06-05 15:21:32,815 INFO L550 ElimStorePlain]: Start of recursive call 132: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:32,912 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:32,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 227 treesize of output 68 [2021-06-05 15:21:32,914 INFO L550 ElimStorePlain]: Start of recursive call 133: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:33,002 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:33,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 169 treesize of output 50 [2021-06-05 15:21:33,003 INFO L550 ElimStorePlain]: Start of recursive call 134: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:33,100 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:33,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 217 treesize of output 66 [2021-06-05 15:21:33,101 INFO L550 ElimStorePlain]: Start of recursive call 135: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:33,188 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:33,188 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 212 treesize of output 59 [2021-06-05 15:21:33,189 INFO L550 ElimStorePlain]: Start of recursive call 136: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:33,278 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:33,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 185 treesize of output 52 [2021-06-05 15:21:33,279 INFO L550 ElimStorePlain]: Start of recursive call 137: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:33,367 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:33,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 204 treesize of output 57 [2021-06-05 15:21:33,369 INFO L550 ElimStorePlain]: Start of recursive call 138: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:33,459 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:33,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 186 treesize of output 51 [2021-06-05 15:21:33,460 INFO L550 ElimStorePlain]: Start of recursive call 139: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:33,550 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:33,550 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 214 treesize of output 57 [2021-06-05 15:21:33,551 INFO L550 ElimStorePlain]: Start of recursive call 140: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:33,640 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:33,640 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 225 treesize of output 60 [2021-06-05 15:21:33,641 INFO L550 ElimStorePlain]: Start of recursive call 141: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:33,731 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:33,731 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 197 treesize of output 56 [2021-06-05 15:21:33,733 INFO L550 ElimStorePlain]: Start of recursive call 142: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:33,823 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:33,823 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 196 treesize of output 55 [2021-06-05 15:21:33,824 INFO L550 ElimStorePlain]: Start of recursive call 143: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:33,925 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:33,925 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 207 treesize of output 64 [2021-06-05 15:21:33,926 INFO L550 ElimStorePlain]: Start of recursive call 144: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:34,017 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:34,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 208 treesize of output 57 [2021-06-05 15:21:34,019 INFO L550 ElimStorePlain]: Start of recursive call 145: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:34,110 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:34,110 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 190 treesize of output 53 [2021-06-05 15:21:34,111 INFO L550 ElimStorePlain]: Start of recursive call 146: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:34,202 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:34,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 194 treesize of output 55 [2021-06-05 15:21:34,203 INFO L550 ElimStorePlain]: Start of recursive call 147: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:34,295 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:34,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 196 treesize of output 55 [2021-06-05 15:21:34,297 INFO L550 ElimStorePlain]: Start of recursive call 148: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:34,390 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:34,390 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 198 treesize of output 55 [2021-06-05 15:21:34,391 INFO L550 ElimStorePlain]: Start of recursive call 149: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:34,505 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:34,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 220 treesize of output 59 [2021-06-05 15:21:34,506 INFO L550 ElimStorePlain]: Start of recursive call 150: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:34,601 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:34,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 190 treesize of output 53 [2021-06-05 15:21:34,602 INFO L550 ElimStorePlain]: Start of recursive call 151: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:34,695 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:34,696 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 192 treesize of output 55 [2021-06-05 15:21:34,697 INFO L550 ElimStorePlain]: Start of recursive call 152: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:34,791 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:34,792 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 182 treesize of output 53 [2021-06-05 15:21:34,793 INFO L550 ElimStorePlain]: Start of recursive call 153: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:34,887 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:34,887 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 180 treesize of output 53 [2021-06-05 15:21:34,888 INFO L550 ElimStorePlain]: Start of recursive call 154: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:34,983 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:34,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 201 treesize of output 54 [2021-06-05 15:21:34,985 INFO L550 ElimStorePlain]: Start of recursive call 155: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:35,080 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:35,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 179 treesize of output 52 [2021-06-05 15:21:35,082 INFO L550 ElimStorePlain]: Start of recursive call 156: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:35,177 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:35,178 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 220 treesize of output 59 [2021-06-05 15:21:35,179 INFO L550 ElimStorePlain]: Start of recursive call 157: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:35,275 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:35,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 193 treesize of output 54 [2021-06-05 15:21:35,277 INFO L550 ElimStorePlain]: Start of recursive call 158: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:35,372 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:35,372 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 184 treesize of output 53 [2021-06-05 15:21:35,374 INFO L550 ElimStorePlain]: Start of recursive call 159: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:35,471 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:35,471 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 212 treesize of output 59 [2021-06-05 15:21:35,472 INFO L550 ElimStorePlain]: Start of recursive call 160: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:35,570 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:35,570 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 198 treesize of output 57 [2021-06-05 15:21:35,571 INFO L550 ElimStorePlain]: Start of recursive call 161: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:35,670 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:35,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 197 treesize of output 56 [2021-06-05 15:21:35,672 INFO L550 ElimStorePlain]: Start of recursive call 162: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:35,777 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:35,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 204 treesize of output 57 [2021-06-05 15:21:35,779 INFO L550 ElimStorePlain]: Start of recursive call 163: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:35,877 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:35,878 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 177 treesize of output 52 [2021-06-05 15:21:35,879 INFO L550 ElimStorePlain]: Start of recursive call 164: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:35,987 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:35,987 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 222 treesize of output 67 [2021-06-05 15:21:35,988 INFO L550 ElimStorePlain]: Start of recursive call 165: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:36,087 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:36,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 206 treesize of output 57 [2021-06-05 15:21:36,089 INFO L550 ElimStorePlain]: Start of recursive call 166: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:36,187 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:36,187 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 204 treesize of output 57 [2021-06-05 15:21:36,189 INFO L550 ElimStorePlain]: Start of recursive call 167: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:36,288 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:36,288 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 194 treesize of output 55 [2021-06-05 15:21:36,289 INFO L550 ElimStorePlain]: Start of recursive call 168: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:36,389 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:36,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 218 treesize of output 59 [2021-06-05 15:21:36,390 INFO L550 ElimStorePlain]: Start of recursive call 169: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:36,491 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:36,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 207 treesize of output 58 [2021-06-05 15:21:36,493 INFO L550 ElimStorePlain]: Start of recursive call 170: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:36,602 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:36,603 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 237 treesize of output 70 [2021-06-05 15:21:36,604 INFO L550 ElimStorePlain]: Start of recursive call 171: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:36,705 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:36,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 234 treesize of output 61 [2021-06-05 15:21:36,706 INFO L550 ElimStorePlain]: Start of recursive call 172: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:36,808 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:36,808 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 212 treesize of output 59 [2021-06-05 15:21:36,810 INFO L550 ElimStorePlain]: Start of recursive call 173: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:36,913 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:36,913 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 211 treesize of output 58 [2021-06-05 15:21:36,914 INFO L550 ElimStorePlain]: Start of recursive call 174: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:37,017 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:37,017 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 194 treesize of output 55 [2021-06-05 15:21:37,019 INFO L550 ElimStorePlain]: Start of recursive call 175: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:37,121 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:37,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 215 treesize of output 56 [2021-06-05 15:21:37,123 INFO L550 ElimStorePlain]: Start of recursive call 176: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:37,226 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:37,226 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 178 treesize of output 51 [2021-06-05 15:21:37,228 INFO L550 ElimStorePlain]: Start of recursive call 177: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:37,371 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:37,372 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 189 treesize of output 54 [2021-06-05 15:21:37,373 INFO L550 ElimStorePlain]: Start of recursive call 178: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:37,418 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:37,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 204 treesize of output 57 [2021-06-05 15:21:37,420 INFO L550 ElimStorePlain]: Start of recursive call 179: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:37,465 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:37,466 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 239 treesize of output 62 [2021-06-05 15:21:37,467 INFO L550 ElimStorePlain]: Start of recursive call 180: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:37,513 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:37,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 198 treesize of output 55 [2021-06-05 15:21:37,514 INFO L550 ElimStorePlain]: Start of recursive call 181: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:37,559 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:37,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 199 treesize of output 56 [2021-06-05 15:21:37,561 INFO L550 ElimStorePlain]: Start of recursive call 182: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:37,608 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:37,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 205 treesize of output 56 [2021-06-05 15:21:37,609 INFO L550 ElimStorePlain]: Start of recursive call 183: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:37,653 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:37,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 210 treesize of output 57 [2021-06-05 15:21:37,655 INFO L550 ElimStorePlain]: Start of recursive call 184: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:37,699 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:37,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 169 treesize of output 50 [2021-06-05 15:21:37,701 INFO L550 ElimStorePlain]: Start of recursive call 185: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:37,755 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:37,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 212 treesize of output 65 [2021-06-05 15:21:37,757 INFO L550 ElimStorePlain]: Start of recursive call 186: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:37,813 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:37,813 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 217 treesize of output 66 [2021-06-05 15:21:37,814 INFO L550 ElimStorePlain]: Start of recursive call 187: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:37,860 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:37,860 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 184 treesize of output 53 [2021-06-05 15:21:37,861 INFO L550 ElimStorePlain]: Start of recursive call 188: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:37,907 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:37,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 216 treesize of output 59 [2021-06-05 15:21:37,908 INFO L550 ElimStorePlain]: Start of recursive call 189: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:37,964 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:37,964 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 232 treesize of output 69 [2021-06-05 15:21:37,966 INFO L550 ElimStorePlain]: Start of recursive call 190: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:38,012 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:38,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 189 treesize of output 54 [2021-06-05 15:21:38,013 INFO L550 ElimStorePlain]: Start of recursive call 191: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:38,059 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:38,059 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 214 treesize of output 57 [2021-06-05 15:21:38,061 INFO L550 ElimStorePlain]: Start of recursive call 192: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:38,108 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:38,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 244 treesize of output 63 [2021-06-05 15:21:38,109 INFO L550 ElimStorePlain]: Start of recursive call 193: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:38,158 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:38,158 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 206 treesize of output 55 [2021-06-05 15:21:38,159 INFO L550 ElimStorePlain]: Start of recursive call 194: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:38,208 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:38,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 217 treesize of output 60 [2021-06-05 15:21:38,209 INFO L550 ElimStorePlain]: Start of recursive call 195: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:38,256 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:38,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 200 treesize of output 55 [2021-06-05 15:21:38,258 INFO L550 ElimStorePlain]: Start of recursive call 196: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:38,306 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:38,306 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 182 treesize of output 53 [2021-06-05 15:21:38,307 INFO L550 ElimStorePlain]: Start of recursive call 197: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:38,356 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:38,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 209 treesize of output 58 [2021-06-05 15:21:38,357 INFO L550 ElimStorePlain]: Start of recursive call 198: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:38,407 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:38,407 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 199 treesize of output 56 [2021-06-05 15:21:38,408 INFO L550 ElimStorePlain]: Start of recursive call 199: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:38,457 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:38,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 202 treesize of output 57 [2021-06-05 15:21:38,458 INFO L550 ElimStorePlain]: Start of recursive call 200: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:38,509 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:38,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 211 treesize of output 58 [2021-06-05 15:21:38,510 INFO L550 ElimStorePlain]: Start of recursive call 201: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:38,560 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:38,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 164 treesize of output 49 [2021-06-05 15:21:38,561 INFO L550 ElimStorePlain]: Start of recursive call 202: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:38,613 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:38,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 193 treesize of output 56 [2021-06-05 15:21:38,614 INFO L550 ElimStorePlain]: Start of recursive call 203: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:38,665 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:38,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 200 treesize of output 55 [2021-06-05 15:21:38,667 INFO L550 ElimStorePlain]: Start of recursive call 204: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:38,718 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:38,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 183 treesize of output 52 [2021-06-05 15:21:38,720 INFO L550 ElimStorePlain]: Start of recursive call 205: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:38,772 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:38,772 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 197 treesize of output 56 [2021-06-05 15:21:38,774 INFO L550 ElimStorePlain]: Start of recursive call 206: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:38,826 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:38,826 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 189 treesize of output 54 [2021-06-05 15:21:38,827 INFO L550 ElimStorePlain]: Start of recursive call 207: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:38,880 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:38,880 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 189 treesize of output 54 [2021-06-05 15:21:38,881 INFO L550 ElimStorePlain]: Start of recursive call 208: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:38,934 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:38,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 189 treesize of output 54 [2021-06-05 15:21:38,936 INFO L550 ElimStorePlain]: Start of recursive call 209: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:38,991 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:38,992 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 207 treesize of output 58 [2021-06-05 15:21:38,993 INFO L550 ElimStorePlain]: Start of recursive call 210: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:39,061 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:39,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 222 treesize of output 67 [2021-06-05 15:21:39,062 INFO L550 ElimStorePlain]: Start of recursive call 211: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:39,129 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:39,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 222 treesize of output 67 [2021-06-05 15:21:39,130 INFO L550 ElimStorePlain]: Start of recursive call 212: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:39,186 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:39,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 217 treesize of output 60 [2021-06-05 15:21:39,187 INFO L550 ElimStorePlain]: Start of recursive call 213: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:39,243 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:39,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 225 treesize of output 58 [2021-06-05 15:21:39,244 INFO L550 ElimStorePlain]: Start of recursive call 214: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:39,301 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:39,301 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 229 treesize of output 60 [2021-06-05 15:21:39,302 INFO L550 ElimStorePlain]: Start of recursive call 215: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:39,359 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:39,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 205 treesize of output 54 [2021-06-05 15:21:39,360 INFO L550 ElimStorePlain]: Start of recursive call 216: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:39,418 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:39,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 219 treesize of output 58 [2021-06-05 15:21:39,419 INFO L550 ElimStorePlain]: Start of recursive call 217: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:39,479 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:39,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 198 treesize of output 55 [2021-06-05 15:21:39,480 INFO L550 ElimStorePlain]: Start of recursive call 218: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:39,538 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:39,538 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 188 treesize of output 53 [2021-06-05 15:21:39,539 INFO L550 ElimStorePlain]: Start of recursive call 219: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:39,600 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:39,600 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 216 treesize of output 59 [2021-06-05 15:21:39,601 INFO L550 ElimStorePlain]: Start of recursive call 220: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:39,664 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:39,664 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 164 treesize of output 49 [2021-06-05 15:21:39,665 INFO L550 ElimStorePlain]: Start of recursive call 221: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:39,726 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:39,726 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 207 treesize of output 58 [2021-06-05 15:21:39,728 INFO L550 ElimStorePlain]: Start of recursive call 222: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:39,799 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:39,799 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 202 treesize of output 63 [2021-06-05 15:21:39,801 INFO L550 ElimStorePlain]: Start of recursive call 223: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:39,863 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:39,863 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 196 treesize of output 55 [2021-06-05 15:21:39,864 INFO L550 ElimStorePlain]: Start of recursive call 224: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:39,925 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:39,925 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 184 treesize of output 53 [2021-06-05 15:21:39,927 INFO L550 ElimStorePlain]: Start of recursive call 225: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:39,989 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:39,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 174 treesize of output 51 [2021-06-05 15:21:39,990 INFO L550 ElimStorePlain]: Start of recursive call 226: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:40,053 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:40,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 204 treesize of output 57 [2021-06-05 15:21:40,054 INFO L550 ElimStorePlain]: Start of recursive call 227: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:40,118 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:40,118 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 175 treesize of output 50 [2021-06-05 15:21:40,120 INFO L550 ElimStorePlain]: Start of recursive call 228: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:40,185 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:40,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 206 treesize of output 57 [2021-06-05 15:21:40,186 INFO L550 ElimStorePlain]: Start of recursive call 229: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:40,251 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:40,251 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 218 treesize of output 61 [2021-06-05 15:21:40,253 INFO L550 ElimStorePlain]: Start of recursive call 230: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:40,316 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:40,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 213 treesize of output 60 [2021-06-05 15:21:40,318 INFO L550 ElimStorePlain]: Start of recursive call 231: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:40,382 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:40,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 194 treesize of output 55 [2021-06-05 15:21:40,383 INFO L550 ElimStorePlain]: Start of recursive call 232: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:40,458 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:40,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 222 treesize of output 67 [2021-06-05 15:21:40,459 INFO L550 ElimStorePlain]: Start of recursive call 233: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:40,524 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:40,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 189 treesize of output 54 [2021-06-05 15:21:40,525 INFO L550 ElimStorePlain]: Start of recursive call 234: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:40,590 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:40,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 179 treesize of output 52 [2021-06-05 15:21:40,592 INFO L550 ElimStorePlain]: Start of recursive call 235: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:40,657 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:40,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 222 treesize of output 61 [2021-06-05 15:21:40,658 INFO L550 ElimStorePlain]: Start of recursive call 236: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:40,726 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:40,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 199 treesize of output 56 [2021-06-05 15:21:40,728 INFO L550 ElimStorePlain]: Start of recursive call 237: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:40,794 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:40,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 177 treesize of output 52 [2021-06-05 15:21:40,795 INFO L550 ElimStorePlain]: Start of recursive call 238: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:40,872 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:40,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 202 treesize of output 63 [2021-06-05 15:21:40,873 INFO L550 ElimStorePlain]: Start of recursive call 239: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:40,940 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:40,940 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 190 treesize of output 55 [2021-06-05 15:21:40,941 INFO L550 ElimStorePlain]: Start of recursive call 240: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:41,008 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:41,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 198 treesize of output 57 [2021-06-05 15:21:41,010 INFO L550 ElimStorePlain]: Start of recursive call 241: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:41,077 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:41,078 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 [2021-06-05 15:21:41,079 INFO L550 ElimStorePlain]: Start of recursive call 242: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:41,147 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:41,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 207 treesize of output 58 [2021-06-05 15:21:41,148 INFO L550 ElimStorePlain]: Start of recursive call 243: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:41,216 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:41,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 229 treesize of output 60 [2021-06-05 15:21:41,218 INFO L550 ElimStorePlain]: Start of recursive call 244: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:41,287 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:41,287 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 232 treesize of output 63 [2021-06-05 15:21:41,288 INFO L550 ElimStorePlain]: Start of recursive call 245: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:41,357 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:41,357 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 195 treesize of output 54 [2021-06-05 15:21:41,359 INFO L550 ElimStorePlain]: Start of recursive call 246: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:41,428 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:41,428 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 189 treesize of output 54 [2021-06-05 15:21:41,429 INFO L550 ElimStorePlain]: Start of recursive call 247: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:41,499 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:41,499 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 202 treesize of output 57 [2021-06-05 15:21:41,501 INFO L550 ElimStorePlain]: Start of recursive call 248: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:41,570 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:41,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 220 treesize of output 57 [2021-06-05 15:21:41,572 INFO L550 ElimStorePlain]: Start of recursive call 249: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:41,642 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:41,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 182 treesize of output 53 [2021-06-05 15:21:41,643 INFO L550 ElimStorePlain]: Start of recursive call 250: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:41,714 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:41,714 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 53 [2021-06-05 15:21:41,715 INFO L550 ElimStorePlain]: Start of recursive call 251: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:41,787 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:41,787 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 208 treesize of output 57 [2021-06-05 15:21:41,788 INFO L550 ElimStorePlain]: Start of recursive call 252: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:41,860 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:41,860 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 187 treesize of output 54 [2021-06-05 15:21:41,861 INFO L550 ElimStorePlain]: Start of recursive call 253: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:41,933 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:41,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 204 treesize of output 57 [2021-06-05 15:21:41,934 INFO L550 ElimStorePlain]: Start of recursive call 254: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:42,005 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:42,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 199 treesize of output 56 [2021-06-05 15:21:42,007 INFO L550 ElimStorePlain]: Start of recursive call 255: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:42,078 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:42,079 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 193 treesize of output 56 [2021-06-05 15:21:42,080 INFO L550 ElimStorePlain]: Start of recursive call 256: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:42,151 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:42,152 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 187 treesize of output 54 [2021-06-05 15:21:42,153 INFO L550 ElimStorePlain]: Start of recursive call 257: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:42,225 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:42,225 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 169 treesize of output 50 [2021-06-05 15:21:42,226 INFO L550 ElimStorePlain]: Start of recursive call 258: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:42,299 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:42,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 201 treesize of output 54 [2021-06-05 15:21:42,301 INFO L550 ElimStorePlain]: Start of recursive call 259: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:42,373 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:42,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 180 treesize of output 51 [2021-06-05 15:21:42,375 INFO L550 ElimStorePlain]: Start of recursive call 260: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:42,447 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:42,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 177 treesize of output 52 [2021-06-05 15:21:42,448 INFO L550 ElimStorePlain]: Start of recursive call 261: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:42,521 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:42,522 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 200 treesize of output 55 [2021-06-05 15:21:42,523 INFO L550 ElimStorePlain]: Start of recursive call 262: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:42,596 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:42,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 191 treesize of output 54 [2021-06-05 15:21:42,597 INFO L550 ElimStorePlain]: Start of recursive call 263: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:42,670 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:42,671 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 193 treesize of output 54 [2021-06-05 15:21:42,672 INFO L550 ElimStorePlain]: Start of recursive call 264: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:42,753 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:42,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 207 treesize of output 58 [2021-06-05 15:21:42,755 INFO L550 ElimStorePlain]: Start of recursive call 265: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:42,828 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:42,829 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 52 [2021-06-05 15:21:42,834 INFO L550 ElimStorePlain]: Start of recursive call 266: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:42,910 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:42,910 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 182 treesize of output 53 [2021-06-05 15:21:42,911 INFO L550 ElimStorePlain]: Start of recursive call 267: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:42,988 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:42,988 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 192 treesize of output 55 [2021-06-05 15:21:42,989 INFO L550 ElimStorePlain]: Start of recursive call 268: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:43,065 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:43,066 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 205 treesize of output 56 [2021-06-05 15:21:43,067 INFO L550 ElimStorePlain]: Start of recursive call 269: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:43,142 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:43,142 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 170 treesize of output 51 [2021-06-05 15:21:43,143 INFO L550 ElimStorePlain]: Start of recursive call 270: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:43,218 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:43,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 216 treesize of output 59 [2021-06-05 15:21:43,220 INFO L550 ElimStorePlain]: Start of recursive call 271: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:43,295 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:43,295 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 159 treesize of output 48 [2021-06-05 15:21:43,296 INFO L550 ElimStorePlain]: Start of recursive call 272: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:43,382 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:43,382 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 222 treesize of output 67 [2021-06-05 15:21:43,383 INFO L550 ElimStorePlain]: Start of recursive call 273: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:43,460 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:43,460 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 189 treesize of output 54 [2021-06-05 15:21:43,461 INFO L550 ElimStorePlain]: Start of recursive call 274: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:43,539 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:43,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 187 treesize of output 54 [2021-06-05 15:21:43,541 INFO L550 ElimStorePlain]: Start of recursive call 275: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:43,627 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:43,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 217 treesize of output 66 [2021-06-05 15:21:43,629 INFO L550 ElimStorePlain]: Start of recursive call 276: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:43,708 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:43,708 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 217 treesize of output 60 [2021-06-05 15:21:43,710 INFO L550 ElimStorePlain]: Start of recursive call 277: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:43,788 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:43,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 217 treesize of output 60 [2021-06-05 15:21:43,790 INFO L550 ElimStorePlain]: Start of recursive call 278: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:43,869 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:43,869 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 194 treesize of output 55 [2021-06-05 15:21:43,870 INFO L550 ElimStorePlain]: Start of recursive call 279: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:43,950 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:43,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 189 treesize of output 54 [2021-06-05 15:21:43,951 INFO L550 ElimStorePlain]: Start of recursive call 280: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:44,040 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:44,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 212 treesize of output 65 [2021-06-05 15:21:44,042 INFO L550 ElimStorePlain]: Start of recursive call 281: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:44,121 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:44,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 195 treesize of output 54 [2021-06-05 15:21:44,122 INFO L550 ElimStorePlain]: Start of recursive call 282: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:44,202 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:44,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 174 treesize of output 51 [2021-06-05 15:21:44,203 INFO L550 ElimStorePlain]: Start of recursive call 283: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:44,286 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:44,286 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 217 treesize of output 60 [2021-06-05 15:21:44,288 INFO L550 ElimStorePlain]: Start of recursive call 284: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:44,376 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:44,377 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 227 treesize of output 68 [2021-06-05 15:21:44,379 INFO L550 ElimStorePlain]: Start of recursive call 285: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:44,458 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:44,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 182 treesize of output 53 [2021-06-05 15:21:44,460 INFO L550 ElimStorePlain]: Start of recursive call 286: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:44,549 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:44,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 207 treesize of output 64 [2021-06-05 15:21:44,551 INFO L550 ElimStorePlain]: Start of recursive call 287: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:44,631 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:44,631 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 215 treesize of output 58 [2021-06-05 15:21:44,632 INFO L550 ElimStorePlain]: Start of recursive call 288: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:44,713 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:44,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 197 treesize of output 56 [2021-06-05 15:21:44,715 INFO L550 ElimStorePlain]: Start of recursive call 289: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:44,806 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:44,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 217 treesize of output 66 [2021-06-05 15:21:44,808 INFO L550 ElimStorePlain]: Start of recursive call 290: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:44,888 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:44,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 172 treesize of output 51 [2021-06-05 15:21:44,889 INFO L550 ElimStorePlain]: Start of recursive call 291: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:44,970 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:44,970 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 187 treesize of output 54 [2021-06-05 15:21:44,971 INFO L550 ElimStorePlain]: Start of recursive call 292: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:45,051 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:45,052 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 222 treesize of output 61 [2021-06-05 15:21:45,053 INFO L550 ElimStorePlain]: Start of recursive call 293: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:45,134 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:45,134 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 174 treesize of output 51 [2021-06-05 15:21:45,136 INFO L550 ElimStorePlain]: Start of recursive call 294: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:45,216 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:45,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 208 treesize of output 59 [2021-06-05 15:21:45,218 INFO L550 ElimStorePlain]: Start of recursive call 295: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:45,298 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:45,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 205 treesize of output 56 [2021-06-05 15:21:45,300 INFO L550 ElimStorePlain]: Start of recursive call 296: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:45,390 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:45,390 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 212 treesize of output 65 [2021-06-05 15:21:45,391 INFO L550 ElimStorePlain]: Start of recursive call 297: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:45,473 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:45,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 208 treesize of output 59 [2021-06-05 15:21:45,474 INFO L550 ElimStorePlain]: Start of recursive call 298: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:45,555 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:45,555 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 188 treesize of output 55 [2021-06-05 15:21:45,556 INFO L550 ElimStorePlain]: Start of recursive call 299: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:45,637 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:45,637 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 192 treesize of output 55 [2021-06-05 15:21:45,639 INFO L550 ElimStorePlain]: Start of recursive call 300: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:45,720 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:45,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 184 treesize of output 53 [2021-06-05 15:21:45,721 INFO L550 ElimStorePlain]: Start of recursive call 301: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:45,802 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:45,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 225 treesize of output 60 [2021-06-05 15:21:45,804 INFO L550 ElimStorePlain]: Start of recursive call 302: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:45,885 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:45,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 187 treesize of output 54 [2021-06-05 15:21:45,887 INFO L550 ElimStorePlain]: Start of recursive call 303: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:45,969 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:45,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 186 treesize of output 51 [2021-06-05 15:21:45,971 INFO L550 ElimStorePlain]: Start of recursive call 304: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:46,053 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:46,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 185 treesize of output 52 [2021-06-05 15:21:46,055 INFO L550 ElimStorePlain]: Start of recursive call 305: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:46,138 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:46,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 196 treesize of output 55 [2021-06-05 15:21:46,139 INFO L550 ElimStorePlain]: Start of recursive call 306: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:46,223 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:46,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 164 treesize of output 49 [2021-06-05 15:21:46,224 INFO L550 ElimStorePlain]: Start of recursive call 307: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:46,309 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:46,309 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 198 treesize of output 57 [2021-06-05 15:21:46,311 INFO L550 ElimStorePlain]: Start of recursive call 308: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:46,394 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:46,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 208 treesize of output 57 [2021-06-05 15:21:46,395 INFO L550 ElimStorePlain]: Start of recursive call 309: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:46,479 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:46,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 159 treesize of output 48 [2021-06-05 15:21:46,480 INFO L550 ElimStorePlain]: Start of recursive call 310: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:46,606 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:46,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 187 treesize of output 54 [2021-06-05 15:21:46,608 INFO L550 ElimStorePlain]: Start of recursive call 311: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:46,643 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:46,643 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 206 treesize of output 57 [2021-06-05 15:21:46,644 INFO L550 ElimStorePlain]: Start of recursive call 312: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:46,680 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:46,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 180 treesize of output 53 [2021-06-05 15:21:46,681 INFO L550 ElimStorePlain]: Start of recursive call 313: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:46,716 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:46,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 194 treesize of output 55 [2021-06-05 15:21:46,717 INFO L550 ElimStorePlain]: Start of recursive call 314: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:46,751 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:46,751 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 177 treesize of output 52 [2021-06-05 15:21:46,752 INFO L550 ElimStorePlain]: Start of recursive call 315: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:46,786 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:46,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 164 treesize of output 49 [2021-06-05 15:21:46,787 INFO L550 ElimStorePlain]: Start of recursive call 316: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:46,821 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:46,821 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 215 treesize of output 58 [2021-06-05 15:21:46,822 INFO L550 ElimStorePlain]: Start of recursive call 317: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:46,856 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:46,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 192 treesize of output 55 [2021-06-05 15:21:46,857 INFO L550 ElimStorePlain]: Start of recursive call 318: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:46,891 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:46,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 211 treesize of output 58 [2021-06-05 15:21:46,892 INFO L550 ElimStorePlain]: Start of recursive call 319: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:46,926 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:46,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 217 treesize of output 60 [2021-06-05 15:21:46,928 INFO L550 ElimStorePlain]: Start of recursive call 320: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:46,962 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:46,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 196 treesize of output 53 [2021-06-05 15:21:46,964 INFO L550 ElimStorePlain]: Start of recursive call 321: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:46,999 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:47,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 197 treesize of output 56 [2021-06-05 15:21:47,001 INFO L550 ElimStorePlain]: Start of recursive call 322: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:47,036 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:47,036 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 182 treesize of output 53 [2021-06-05 15:21:47,037 INFO L550 ElimStorePlain]: Start of recursive call 323: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:47,071 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:47,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 220 treesize of output 59 [2021-06-05 15:21:47,072 INFO L550 ElimStorePlain]: Start of recursive call 324: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:47,107 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:47,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 194 treesize of output 55 [2021-06-05 15:21:47,109 INFO L550 ElimStorePlain]: Start of recursive call 325: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:47,152 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:47,152 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 212 treesize of output 65 [2021-06-05 15:21:47,153 INFO L550 ElimStorePlain]: Start of recursive call 326: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:47,190 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:47,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 174 treesize of output 51 [2021-06-05 15:21:47,191 INFO L550 ElimStorePlain]: Start of recursive call 327: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:47,229 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:47,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 177 treesize of output 52 [2021-06-05 15:21:47,230 INFO L550 ElimStorePlain]: Start of recursive call 328: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:47,267 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:47,267 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 206 treesize of output 57 [2021-06-05 15:21:47,268 INFO L550 ElimStorePlain]: Start of recursive call 329: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:47,312 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:47,312 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 217 treesize of output 66 [2021-06-05 15:21:47,314 INFO L550 ElimStorePlain]: Start of recursive call 330: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:47,348 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:47,349 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 184 treesize of output 53 [2021-06-05 15:21:47,350 INFO L550 ElimStorePlain]: Start of recursive call 331: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:47,385 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:47,385 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 159 treesize of output 48 [2021-06-05 15:21:47,386 INFO L550 ElimStorePlain]: Start of recursive call 332: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:47,421 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:47,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 172 treesize of output 51 [2021-06-05 15:21:47,422 INFO L550 ElimStorePlain]: Start of recursive call 333: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:47,457 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:47,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 182 treesize of output 53 [2021-06-05 15:21:47,458 INFO L550 ElimStorePlain]: Start of recursive call 334: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:47,494 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:47,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 203 treesize of output 58 [2021-06-05 15:21:47,495 INFO L550 ElimStorePlain]: Start of recursive call 335: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:47,540 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:47,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 217 treesize of output 66 [2021-06-05 15:21:47,542 INFO L550 ElimStorePlain]: Start of recursive call 336: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:47,578 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:47,578 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 192 treesize of output 55 [2021-06-05 15:21:47,579 INFO L550 ElimStorePlain]: Start of recursive call 337: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:47,624 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:47,625 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 227 treesize of output 68 [2021-06-05 15:21:47,626 INFO L550 ElimStorePlain]: Start of recursive call 338: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:47,663 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:47,663 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 203 treesize of output 56 [2021-06-05 15:21:47,664 INFO L550 ElimStorePlain]: Start of recursive call 339: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:47,704 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:47,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 189 treesize of output 54 [2021-06-05 15:21:47,706 INFO L550 ElimStorePlain]: Start of recursive call 340: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:47,743 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:47,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 206 treesize of output 57 [2021-06-05 15:21:47,745 INFO L550 ElimStorePlain]: Start of recursive call 341: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:47,783 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:47,783 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 194 treesize of output 55 [2021-06-05 15:21:47,784 INFO L550 ElimStorePlain]: Start of recursive call 342: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:47,823 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:47,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 213 treesize of output 58 [2021-06-05 15:21:47,825 INFO L550 ElimStorePlain]: Start of recursive call 343: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:47,864 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:47,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 199 treesize of output 56 [2021-06-05 15:21:47,866 INFO L550 ElimStorePlain]: Start of recursive call 344: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:47,904 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:47,904 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 220 treesize of output 57 [2021-06-05 15:21:47,906 INFO L550 ElimStorePlain]: Start of recursive call 345: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:47,943 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:47,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 187 treesize of output 54 [2021-06-05 15:21:47,945 INFO L550 ElimStorePlain]: Start of recursive call 346: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:47,982 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:47,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 205 treesize of output 54 [2021-06-05 15:21:47,984 INFO L550 ElimStorePlain]: Start of recursive call 347: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:48,022 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:48,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 199 treesize of output 56 [2021-06-05 15:21:48,023 INFO L550 ElimStorePlain]: Start of recursive call 348: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:48,064 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:48,064 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 185 treesize of output 52 [2021-06-05 15:21:48,065 INFO L550 ElimStorePlain]: Start of recursive call 349: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:48,105 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:48,106 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 [2021-06-05 15:21:48,107 INFO L550 ElimStorePlain]: Start of recursive call 350: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:48,149 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:48,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 185 treesize of output 54 [2021-06-05 15:21:48,150 INFO L550 ElimStorePlain]: Start of recursive call 351: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:48,190 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:48,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 200 treesize of output 53 [2021-06-05 15:21:48,191 INFO L550 ElimStorePlain]: Start of recursive call 352: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:48,230 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:48,230 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 184 treesize of output 53 [2021-06-05 15:21:48,231 INFO L550 ElimStorePlain]: Start of recursive call 353: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:48,274 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:48,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 197 treesize of output 56 [2021-06-05 15:21:48,276 INFO L550 ElimStorePlain]: Start of recursive call 354: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:48,322 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:48,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 189 treesize of output 54 [2021-06-05 15:21:48,323 INFO L550 ElimStorePlain]: Start of recursive call 355: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:48,367 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:48,367 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 212 treesize of output 59 [2021-06-05 15:21:48,368 INFO L550 ElimStorePlain]: Start of recursive call 356: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:48,414 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:48,414 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 227 treesize of output 62 [2021-06-05 15:21:48,416 INFO L550 ElimStorePlain]: Start of recursive call 357: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:48,471 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:48,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 197 treesize of output 62 [2021-06-05 15:21:48,472 INFO L550 ElimStorePlain]: Start of recursive call 358: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:48,516 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:48,517 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 220 treesize of output 59 [2021-06-05 15:21:48,518 INFO L550 ElimStorePlain]: Start of recursive call 359: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:48,559 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:48,559 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 201 treesize of output 54 [2021-06-05 15:21:48,560 INFO L550 ElimStorePlain]: Start of recursive call 360: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:48,601 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:48,602 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 220 treesize of output 59 [2021-06-05 15:21:48,603 INFO L550 ElimStorePlain]: Start of recursive call 361: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:48,644 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:48,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 207 treesize of output 58 [2021-06-05 15:21:48,645 INFO L550 ElimStorePlain]: Start of recursive call 362: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:48,687 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:48,687 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 194 treesize of output 55 [2021-06-05 15:21:48,688 INFO L550 ElimStorePlain]: Start of recursive call 363: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:48,729 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:48,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 184 treesize of output 53 [2021-06-05 15:21:48,731 INFO L550 ElimStorePlain]: Start of recursive call 364: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:48,772 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:48,772 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 187 treesize of output 54 [2021-06-05 15:21:48,773 INFO L550 ElimStorePlain]: Start of recursive call 365: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:48,815 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:48,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 213 treesize of output 60 [2021-06-05 15:21:48,817 INFO L550 ElimStorePlain]: Start of recursive call 366: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:48,859 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:48,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 225 treesize of output 60 [2021-06-05 15:21:48,860 INFO L550 ElimStorePlain]: Start of recursive call 367: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:48,903 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:48,903 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 187 treesize of output 54 [2021-06-05 15:21:48,904 INFO L550 ElimStorePlain]: Start of recursive call 368: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:48,947 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:48,947 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 187 treesize of output 54 [2021-06-05 15:21:48,948 INFO L550 ElimStorePlain]: Start of recursive call 369: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:49,008 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:49,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 213 treesize of output 60 [2021-06-05 15:21:49,010 INFO L550 ElimStorePlain]: Start of recursive call 370: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:49,056 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:49,057 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 194 treesize of output 55 [2021-06-05 15:21:49,058 INFO L550 ElimStorePlain]: Start of recursive call 371: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:49,101 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:49,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 211 treesize of output 58 [2021-06-05 15:21:49,103 INFO L550 ElimStorePlain]: Start of recursive call 372: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:49,146 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:49,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 182 treesize of output 53 [2021-06-05 15:21:49,148 INFO L550 ElimStorePlain]: Start of recursive call 373: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:49,191 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:49,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 211 treesize of output 58 [2021-06-05 15:21:49,193 INFO L550 ElimStorePlain]: Start of recursive call 374: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:49,237 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:49,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 203 treesize of output 56 [2021-06-05 15:21:49,238 INFO L550 ElimStorePlain]: Start of recursive call 375: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:49,282 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:49,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 196 treesize of output 53 [2021-06-05 15:21:49,283 INFO L550 ElimStorePlain]: Start of recursive call 376: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:49,329 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:49,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 167 treesize of output 50 [2021-06-05 15:21:49,330 INFO L550 ElimStorePlain]: Start of recursive call 377: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:49,375 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:49,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 212 treesize of output 59 [2021-06-05 15:21:49,377 INFO L550 ElimStorePlain]: Start of recursive call 378: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:49,421 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:49,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 187 treesize of output 54 [2021-06-05 15:21:49,422 INFO L550 ElimStorePlain]: Start of recursive call 379: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:49,475 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:49,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 202 treesize of output 63 [2021-06-05 15:21:49,476 INFO L550 ElimStorePlain]: Start of recursive call 380: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:49,524 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:49,525 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 219 treesize of output 58 [2021-06-05 15:21:49,526 INFO L550 ElimStorePlain]: Start of recursive call 381: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:49,574 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:49,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 207 treesize of output 58 [2021-06-05 15:21:49,576 INFO L550 ElimStorePlain]: Start of recursive call 382: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:49,621 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:49,621 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 184 treesize of output 53 [2021-06-05 15:21:49,623 INFO L550 ElimStorePlain]: Start of recursive call 383: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:49,669 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:49,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 208 treesize of output 59 [2021-06-05 15:21:49,671 INFO L550 ElimStorePlain]: Start of recursive call 384: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:49,725 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:49,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 222 treesize of output 67 [2021-06-05 15:21:49,727 INFO L550 ElimStorePlain]: Start of recursive call 385: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:49,773 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:49,773 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 189 treesize of output 54 [2021-06-05 15:21:49,775 INFO L550 ElimStorePlain]: Start of recursive call 386: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:49,821 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:49,822 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 200 treesize of output 55 [2021-06-05 15:21:49,823 INFO L550 ElimStorePlain]: Start of recursive call 387: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:49,869 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:49,869 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 204 treesize of output 55 [2021-06-05 15:21:49,870 INFO L550 ElimStorePlain]: Start of recursive call 388: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:49,916 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:49,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 203 treesize of output 58 [2021-06-05 15:21:49,917 INFO L550 ElimStorePlain]: Start of recursive call 389: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:49,964 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:49,964 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 194 treesize of output 55 [2021-06-05 15:21:49,965 INFO L550 ElimStorePlain]: Start of recursive call 390: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:50,012 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:50,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 192 treesize of output 55 [2021-06-05 15:21:50,014 INFO L550 ElimStorePlain]: Start of recursive call 391: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:50,061 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:50,061 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 190 treesize of output 53 [2021-06-05 15:21:50,062 INFO L550 ElimStorePlain]: Start of recursive call 392: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:50,111 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:50,111 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 213 treesize of output 60 [2021-06-05 15:21:50,112 INFO L550 ElimStorePlain]: Start of recursive call 393: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:50,159 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:50,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 203 treesize of output 58 [2021-06-05 15:21:50,160 INFO L550 ElimStorePlain]: Start of recursive call 394: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:50,208 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:50,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 213 treesize of output 60 [2021-06-05 15:21:50,209 INFO L550 ElimStorePlain]: Start of recursive call 395: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:50,256 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:50,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 196 treesize of output 53 [2021-06-05 15:21:50,258 INFO L550 ElimStorePlain]: Start of recursive call 396: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:50,306 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:50,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 204 treesize of output 55 [2021-06-05 15:21:50,307 INFO L550 ElimStorePlain]: Start of recursive call 397: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:50,357 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:50,357 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 197 treesize of output 56 [2021-06-05 15:21:50,358 INFO L550 ElimStorePlain]: Start of recursive call 398: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:50,417 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:50,417 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 207 treesize of output 64 [2021-06-05 15:21:50,419 INFO L550 ElimStorePlain]: Start of recursive call 399: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:50,478 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:50,479 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 227 treesize of output 68 [2021-06-05 15:21:50,480 INFO L550 ElimStorePlain]: Start of recursive call 400: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:50,531 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:50,531 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 215 treesize of output 58 [2021-06-05 15:21:50,532 INFO L550 ElimStorePlain]: Start of recursive call 401: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:50,581 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:50,581 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 199 treesize of output 56 [2021-06-05 15:21:50,582 INFO L550 ElimStorePlain]: Start of recursive call 402: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:50,630 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:50,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 184 treesize of output 53 [2021-06-05 15:21:50,632 INFO L550 ElimStorePlain]: Start of recursive call 403: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:50,679 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:50,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 197 treesize of output 56 [2021-06-05 15:21:50,681 INFO L550 ElimStorePlain]: Start of recursive call 404: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:50,729 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:50,730 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 223 treesize of output 60 [2021-06-05 15:21:50,731 INFO L550 ElimStorePlain]: Start of recursive call 405: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:50,780 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:50,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 208 treesize of output 59 [2021-06-05 15:21:50,781 INFO L550 ElimStorePlain]: Start of recursive call 406: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:50,830 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:50,830 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 186 treesize of output 51 [2021-06-05 15:21:50,831 INFO L550 ElimStorePlain]: Start of recursive call 407: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:50,879 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:50,880 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 198 treesize of output 57 [2021-06-05 15:21:50,881 INFO L550 ElimStorePlain]: Start of recursive call 408: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:50,931 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:50,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 184 treesize of output 53 [2021-06-05 15:21:50,932 INFO L550 ElimStorePlain]: Start of recursive call 409: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:50,983 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:50,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 203 treesize of output 56 [2021-06-05 15:21:50,984 INFO L550 ElimStorePlain]: Start of recursive call 410: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:51,033 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:51,034 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 197 treesize of output 56 [2021-06-05 15:21:51,035 INFO L550 ElimStorePlain]: Start of recursive call 411: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:51,093 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:51,094 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 212 treesize of output 65 [2021-06-05 15:21:51,095 INFO L550 ElimStorePlain]: Start of recursive call 412: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:51,145 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:51,145 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 221 treesize of output 60 [2021-06-05 15:21:51,147 INFO L550 ElimStorePlain]: Start of recursive call 413: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:51,196 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:51,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 227 treesize of output 62 [2021-06-05 15:21:51,197 INFO L550 ElimStorePlain]: Start of recursive call 414: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:51,246 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:51,246 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 192 treesize of output 55 [2021-06-05 15:21:51,247 INFO L550 ElimStorePlain]: Start of recursive call 415: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:51,296 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:51,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 192 treesize of output 55 [2021-06-05 15:21:51,297 INFO L550 ElimStorePlain]: Start of recursive call 416: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:51,345 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:51,346 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 159 treesize of output 48 [2021-06-05 15:21:51,347 INFO L550 ElimStorePlain]: Start of recursive call 417: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:51,395 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:51,395 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 210 treesize of output 57 [2021-06-05 15:21:51,397 INFO L550 ElimStorePlain]: Start of recursive call 418: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:51,454 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:51,454 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 212 treesize of output 65 [2021-06-05 15:21:51,455 INFO L550 ElimStorePlain]: Start of recursive call 419: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:51,513 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:51,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 212 treesize of output 65 [2021-06-05 15:21:51,514 INFO L550 ElimStorePlain]: Start of recursive call 420: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:51,562 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:51,563 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 237 treesize of output 64 [2021-06-05 15:21:51,564 INFO L550 ElimStorePlain]: Start of recursive call 421: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:51,613 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:51,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 182 treesize of output 53 [2021-06-05 15:21:51,614 INFO L550 ElimStorePlain]: Start of recursive call 422: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:51,663 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:51,664 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 190 treesize of output 53 [2021-06-05 15:21:51,665 INFO L550 ElimStorePlain]: Start of recursive call 423: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:51,714 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:51,714 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 197 treesize of output 56 [2021-06-05 15:21:51,715 INFO L550 ElimStorePlain]: Start of recursive call 424: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:51,765 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:51,765 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 193 treesize of output 56 [2021-06-05 15:21:51,766 INFO L550 ElimStorePlain]: Start of recursive call 425: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:51,823 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:51,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 217 treesize of output 66 [2021-06-05 15:21:51,825 INFO L550 ElimStorePlain]: Start of recursive call 426: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:51,873 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:51,874 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 190 treesize of output 53 [2021-06-05 15:21:51,875 INFO L550 ElimStorePlain]: Start of recursive call 427: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:51,925 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:51,925 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 199 treesize of output 56 [2021-06-05 15:21:51,926 INFO L550 ElimStorePlain]: Start of recursive call 428: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:51,983 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:51,983 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 202 treesize of output 63 [2021-06-05 15:21:51,985 INFO L550 ElimStorePlain]: Start of recursive call 429: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:52,034 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:52,034 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 202 treesize of output 57 [2021-06-05 15:21:52,036 INFO L550 ElimStorePlain]: Start of recursive call 430: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:52,084 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:52,084 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 210 treesize of output 55 [2021-06-05 15:21:52,086 INFO L550 ElimStorePlain]: Start of recursive call 431: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:52,135 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:52,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 198 treesize of output 57 [2021-06-05 15:21:52,137 INFO L550 ElimStorePlain]: Start of recursive call 432: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:52,185 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:52,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 215 treesize of output 58 [2021-06-05 15:21:52,187 INFO L550 ElimStorePlain]: Start of recursive call 433: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:52,235 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:52,235 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 227 treesize of output 62 [2021-06-05 15:21:52,237 INFO L550 ElimStorePlain]: Start of recursive call 434: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:52,286 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:52,286 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 199 treesize of output 56 [2021-06-05 15:21:52,287 INFO L550 ElimStorePlain]: Start of recursive call 435: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:52,337 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:52,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 230 treesize of output 61 [2021-06-05 15:21:52,339 INFO L550 ElimStorePlain]: Start of recursive call 436: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:52,396 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:52,396 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 207 treesize of output 64 [2021-06-05 15:21:52,398 INFO L550 ElimStorePlain]: Start of recursive call 437: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:52,448 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:52,448 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 54 [2021-06-05 15:21:52,449 INFO L550 ElimStorePlain]: Start of recursive call 438: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:52,497 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:52,498 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 209 treesize of output 56 [2021-06-05 15:21:52,499 INFO L550 ElimStorePlain]: Start of recursive call 439: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:52,549 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:52,550 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 210 treesize of output 57 [2021-06-05 15:21:52,551 INFO L550 ElimStorePlain]: Start of recursive call 440: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:52,610 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:52,610 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 217 treesize of output 66 [2021-06-05 15:21:52,612 INFO L550 ElimStorePlain]: Start of recursive call 441: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:52,661 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:52,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 187 treesize of output 54 [2021-06-05 15:21:52,663 INFO L550 ElimStorePlain]: Start of recursive call 442: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:52,711 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:52,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 215 treesize of output 58 [2021-06-05 15:21:52,713 INFO L550 ElimStorePlain]: Start of recursive call 443: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:52,761 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:52,762 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 208 treesize of output 59 [2021-06-05 15:21:52,763 INFO L550 ElimStorePlain]: Start of recursive call 444: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:52,819 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:52,819 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 227 treesize of output 68 [2021-06-05 15:21:52,820 INFO L550 ElimStorePlain]: Start of recursive call 445: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:52,869 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:52,870 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 189 treesize of output 54 [2021-06-05 15:21:52,871 INFO L550 ElimStorePlain]: Start of recursive call 446: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:52,918 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:52,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 222 treesize of output 61 [2021-06-05 15:21:52,919 INFO L550 ElimStorePlain]: Start of recursive call 447: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:52,976 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:52,976 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 217 treesize of output 66 [2021-06-05 15:21:52,977 INFO L550 ElimStorePlain]: Start of recursive call 448: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:53,028 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:53,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 182 treesize of output 53 [2021-06-05 15:21:53,030 INFO L550 ElimStorePlain]: Start of recursive call 449: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:53,078 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:53,079 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 225 treesize of output 60 [2021-06-05 15:21:53,080 INFO L550 ElimStorePlain]: Start of recursive call 450: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:53,127 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:53,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 230 treesize of output 61 [2021-06-05 15:21:53,129 INFO L550 ElimStorePlain]: Start of recursive call 451: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:53,178 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:53,178 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 202 treesize of output 57 [2021-06-05 15:21:53,180 INFO L550 ElimStorePlain]: Start of recursive call 452: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:53,228 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:53,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 164 treesize of output 49 [2021-06-05 15:21:53,230 INFO L550 ElimStorePlain]: Start of recursive call 453: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:53,280 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:53,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 194 treesize of output 55 [2021-06-05 15:21:53,281 INFO L550 ElimStorePlain]: Start of recursive call 454: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:53,330 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:53,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 202 treesize of output 57 [2021-06-05 15:21:53,331 INFO L550 ElimStorePlain]: Start of recursive call 455: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:53,378 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:53,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 211 treesize of output 56 [2021-06-05 15:21:53,380 INFO L550 ElimStorePlain]: Start of recursive call 456: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:53,432 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:53,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 203 treesize of output 58 [2021-06-05 15:21:53,433 INFO L550 ElimStorePlain]: Start of recursive call 457: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:53,482 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:53,482 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 184 treesize of output 53 [2021-06-05 15:21:53,484 INFO L550 ElimStorePlain]: Start of recursive call 458: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:53,531 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:53,532 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 211 treesize of output 58 [2021-06-05 15:21:53,533 INFO L550 ElimStorePlain]: Start of recursive call 459: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:53,579 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:53,579 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 206 treesize of output 57 [2021-06-05 15:21:53,580 INFO L550 ElimStorePlain]: Start of recursive call 460: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:53,635 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:53,635 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 222 treesize of output 67 [2021-06-05 15:21:53,637 INFO L550 ElimStorePlain]: Start of recursive call 461: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:53,691 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:53,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 217 treesize of output 66 [2021-06-05 15:21:53,693 INFO L550 ElimStorePlain]: Start of recursive call 462: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:53,739 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:53,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 196 treesize of output 53 [2021-06-05 15:21:53,740 INFO L550 ElimStorePlain]: Start of recursive call 463: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:53,786 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:53,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 194 treesize of output 55 [2021-06-05 15:21:53,787 INFO L550 ElimStorePlain]: Start of recursive call 464: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:53,833 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:53,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 202 treesize of output 57 [2021-06-05 15:21:53,835 INFO L550 ElimStorePlain]: Start of recursive call 465: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:53,881 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:53,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 183 treesize of output 52 [2021-06-05 15:21:53,882 INFO L550 ElimStorePlain]: Start of recursive call 466: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:53,928 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:53,928 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 179 treesize of output 52 [2021-06-05 15:21:53,930 INFO L550 ElimStorePlain]: Start of recursive call 467: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:53,976 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:53,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 187 treesize of output 54 [2021-06-05 15:21:53,977 INFO L550 ElimStorePlain]: Start of recursive call 468: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:54,025 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:54,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 239 treesize of output 62 [2021-06-05 15:21:54,026 INFO L550 ElimStorePlain]: Start of recursive call 469: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:54,072 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:54,072 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 187 treesize of output 54 [2021-06-05 15:21:54,073 INFO L550 ElimStorePlain]: Start of recursive call 470: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:54,120 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:54,120 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 215 treesize of output 56 [2021-06-05 15:21:54,121 INFO L550 ElimStorePlain]: Start of recursive call 471: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:54,166 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:54,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 164 treesize of output 49 [2021-06-05 15:21:54,168 INFO L550 ElimStorePlain]: Start of recursive call 472: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:54,220 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:54,220 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 207 treesize of output 64 [2021-06-05 15:21:54,222 INFO L550 ElimStorePlain]: Start of recursive call 473: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:54,274 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:54,274 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 232 treesize of output 69 [2021-06-05 15:21:54,276 INFO L550 ElimStorePlain]: Start of recursive call 474: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:54,328 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:54,328 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 217 treesize of output 66 [2021-06-05 15:21:54,330 INFO L550 ElimStorePlain]: Start of recursive call 475: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:54,374 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:54,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 209 treesize of output 58 [2021-06-05 15:21:54,375 INFO L550 ElimStorePlain]: Start of recursive call 476: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:54,420 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:54,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 198 treesize of output 57 [2021-06-05 15:21:54,422 INFO L550 ElimStorePlain]: Start of recursive call 477: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:54,467 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:54,467 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 196 treesize of output 53 [2021-06-05 15:21:54,468 INFO L550 ElimStorePlain]: Start of recursive call 478: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:54,512 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:54,512 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 212 treesize of output 59 [2021-06-05 15:21:54,513 INFO L550 ElimStorePlain]: Start of recursive call 479: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:54,557 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:54,557 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 203 treesize of output 58 [2021-06-05 15:21:54,559 INFO L550 ElimStorePlain]: Start of recursive call 480: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:54,603 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:54,604 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 202 treesize of output 57 [2021-06-05 15:21:54,605 INFO L550 ElimStorePlain]: Start of recursive call 481: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:54,650 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:54,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 192 treesize of output 55 [2021-06-05 15:21:54,652 INFO L550 ElimStorePlain]: Start of recursive call 482: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:54,695 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:54,696 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 210 treesize of output 57 [2021-06-05 15:21:54,697 INFO L550 ElimStorePlain]: Start of recursive call 483: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:54,740 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:54,741 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 202 treesize of output 57 [2021-06-05 15:21:54,742 INFO L550 ElimStorePlain]: Start of recursive call 484: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:54,795 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:54,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 222 treesize of output 67 [2021-06-05 15:21:54,796 INFO L550 ElimStorePlain]: Start of recursive call 485: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:54,840 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:54,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 201 treesize of output 56 [2021-06-05 15:21:54,841 INFO L550 ElimStorePlain]: Start of recursive call 486: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:54,892 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:54,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 222 treesize of output 67 [2021-06-05 15:21:54,893 INFO L550 ElimStorePlain]: Start of recursive call 487: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:54,935 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:54,935 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 215 treesize of output 58 [2021-06-05 15:21:54,937 INFO L550 ElimStorePlain]: Start of recursive call 488: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:54,987 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:54,987 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 227 treesize of output 68 [2021-06-05 15:21:54,989 INFO L550 ElimStorePlain]: Start of recursive call 489: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:55,031 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:55,032 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 221 treesize of output 60 [2021-06-05 15:21:55,033 INFO L550 ElimStorePlain]: Start of recursive call 490: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:55,074 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:55,074 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 189 treesize of output 54 [2021-06-05 15:21:55,076 INFO L550 ElimStorePlain]: Start of recursive call 491: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:55,119 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:55,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 208 treesize of output 57 [2021-06-05 15:21:55,120 INFO L550 ElimStorePlain]: Start of recursive call 492: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:55,192 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:55,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 192 treesize of output 55 [2021-06-05 15:21:55,193 INFO L550 ElimStorePlain]: Start of recursive call 493: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:55,210 INFO L354 Elim1Store]: treesize reduction 80, result has 1.2 percent of original size [2021-06-05 15:21:55,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 149 treesize of output 43 [2021-06-05 15:21:55,211 INFO L550 ElimStorePlain]: Start of recursive call 494: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:55,231 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:55,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 199 treesize of output 56 [2021-06-05 15:21:55,233 INFO L550 ElimStorePlain]: Start of recursive call 495: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:55,253 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:55,253 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 202 treesize of output 57 [2021-06-05 15:21:55,255 INFO L550 ElimStorePlain]: Start of recursive call 496: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:55,281 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:55,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 201 treesize of output 54 [2021-06-05 15:21:55,283 INFO L550 ElimStorePlain]: Start of recursive call 497: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:55,303 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:55,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 188 treesize of output 53 [2021-06-05 15:21:55,305 INFO L550 ElimStorePlain]: Start of recursive call 498: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:55,325 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:55,325 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 216 treesize of output 59 [2021-06-05 15:21:55,326 INFO L550 ElimStorePlain]: Start of recursive call 499: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:55,346 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:55,346 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 220 treesize of output 59 [2021-06-05 15:21:55,347 INFO L550 ElimStorePlain]: Start of recursive call 500: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:55,367 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:55,367 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 211 treesize of output 58 [2021-06-05 15:21:55,368 INFO L550 ElimStorePlain]: Start of recursive call 501: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:55,387 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:55,388 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 208 treesize of output 59 [2021-06-05 15:21:55,389 INFO L550 ElimStorePlain]: Start of recursive call 502: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:55,416 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:55,417 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 212 treesize of output 65 [2021-06-05 15:21:55,418 INFO L550 ElimStorePlain]: Start of recursive call 503: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:55,440 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:55,440 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 203 treesize of output 56 [2021-06-05 15:21:55,441 INFO L550 ElimStorePlain]: Start of recursive call 504: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:55,462 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:55,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 199 treesize of output 56 [2021-06-05 15:21:55,463 INFO L550 ElimStorePlain]: Start of recursive call 505: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:55,483 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:55,483 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 190 treesize of output 55 [2021-06-05 15:21:55,484 INFO L550 ElimStorePlain]: Start of recursive call 506: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:55,505 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:55,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 182 treesize of output 53 [2021-06-05 15:21:55,506 INFO L550 ElimStorePlain]: Start of recursive call 507: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:55,528 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:55,528 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 222 treesize of output 61 [2021-06-05 15:21:55,529 INFO L550 ElimStorePlain]: Start of recursive call 508: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:55,550 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:55,550 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 201 treesize of output 56 [2021-06-05 15:21:55,551 INFO L550 ElimStorePlain]: Start of recursive call 509: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:55,571 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:55,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 177 treesize of output 52 [2021-06-05 15:21:55,572 INFO L550 ElimStorePlain]: Start of recursive call 510: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:55,592 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:55,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 185 treesize of output 54 [2021-06-05 15:21:55,593 INFO L550 ElimStorePlain]: Start of recursive call 511: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:55,612 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:55,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 189 treesize of output 54 [2021-06-05 15:21:55,613 INFO L550 ElimStorePlain]: Start of recursive call 512: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:55,641 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:55,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 217 treesize of output 66 [2021-06-05 15:21:55,642 INFO L550 ElimStorePlain]: Start of recursive call 513: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:55,670 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:55,670 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 222 treesize of output 67 [2021-06-05 15:21:55,671 INFO L550 ElimStorePlain]: Start of recursive call 514: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:55,699 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:55,699 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 217 treesize of output 66 [2021-06-05 15:21:55,700 INFO L550 ElimStorePlain]: Start of recursive call 515: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:55,719 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:55,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 210 treesize of output 57 [2021-06-05 15:21:55,720 INFO L550 ElimStorePlain]: Start of recursive call 516: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:55,739 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:55,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 189 treesize of output 54 [2021-06-05 15:21:55,741 INFO L550 ElimStorePlain]: Start of recursive call 517: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:55,759 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:55,760 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 195 treesize of output 54 [2021-06-05 15:21:55,761 INFO L550 ElimStorePlain]: Start of recursive call 518: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:55,779 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:55,779 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 222 treesize of output 61 [2021-06-05 15:21:55,780 INFO L550 ElimStorePlain]: Start of recursive call 519: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:55,799 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:55,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 185 treesize of output 52 [2021-06-05 15:21:55,800 INFO L550 ElimStorePlain]: Start of recursive call 520: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:55,818 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:55,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 201 treesize of output 56 [2021-06-05 15:21:55,820 INFO L550 ElimStorePlain]: Start of recursive call 521: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:55,838 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:55,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 234 treesize of output 61 [2021-06-05 15:21:55,839 INFO L550 ElimStorePlain]: Start of recursive call 522: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:55,858 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:55,858 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 208 treesize of output 57 [2021-06-05 15:21:55,859 INFO L550 ElimStorePlain]: Start of recursive call 523: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:55,877 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:55,877 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 191 treesize of output 52 [2021-06-05 15:21:55,878 INFO L550 ElimStorePlain]: Start of recursive call 524: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:55,896 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:55,896 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 187 treesize of output 54 [2021-06-05 15:21:55,897 INFO L550 ElimStorePlain]: Start of recursive call 525: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:55,915 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:21:55,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 217 treesize of output 66 [2021-06-05 15:21:55,916 INFO L550 ElimStorePlain]: Start of recursive call 526: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:55,934 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:55,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 229 treesize of output 60 [2021-06-05 15:21:55,935 INFO L550 ElimStorePlain]: Start of recursive call 527: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:55,952 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:55,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 154 treesize of output 47 [2021-06-05 15:21:55,953 INFO L550 ElimStorePlain]: Start of recursive call 528: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:55,956 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:21:55,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 197 treesize of output 56 [2021-06-05 15:21:55,957 INFO L550 ElimStorePlain]: Start of recursive call 529: End of recursive call: and 1 xjuncts. [2021-06-05 15:21:55,958 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:21:55,958 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:21:55,958 INFO L247 ElimStorePlain]: Needed 529 recursive calls to eliminate 2 variables, input treesize:105977, output treesize:3 [2021-06-05 15:21:55,966 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 97 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:21:55,966 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [774456727] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:21:55,966 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:21:55,966 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 16] total 23 [2021-06-05 15:21:55,966 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345031757] [2021-06-05 15:21:55,966 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-05 15:21:55,966 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:21:55,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-05 15:21:55,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2021-06-05 15:21:55,966 INFO L87 Difference]: Start difference. First operand 49976 states and 127041 transitions. Second operand has 23 states, 23 states have (on average 3.0) internal successors, (69), 23 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:21:56,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:21:56,366 INFO L93 Difference]: Finished difference Result 52344 states and 132850 transitions. [2021-06-05 15:21:56,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 15:21:56,366 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.0) internal successors, (69), 23 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2021-06-05 15:21:56,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:21:56,444 INFO L225 Difference]: With dead ends: 52344 [2021-06-05 15:21:56,444 INFO L226 Difference]: Without dead ends: 52328 [2021-06-05 15:21:56,444 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 339.0ms TimeCoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2021-06-05 15:21:56,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52328 states. [2021-06-05 15:21:57,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52328 to 51480. [2021-06-05 15:21:57,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51480 states, 51479 states have (on average 2.547854464927446) internal successors, (131161), 51479 states have internal predecessors, (131161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:21:57,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51480 states to 51480 states and 131161 transitions. [2021-06-05 15:21:57,289 INFO L78 Accepts]: Start accepts. Automaton has 51480 states and 131161 transitions. Word has length 42 [2021-06-05 15:21:57,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:21:57,289 INFO L482 AbstractCegarLoop]: Abstraction has 51480 states and 131161 transitions. [2021-06-05 15:21:57,289 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 3.0) internal successors, (69), 23 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:21:57,290 INFO L276 IsEmpty]: Start isEmpty. Operand 51480 states and 131161 transitions. [2021-06-05 15:21:57,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-06-05 15:21:57,319 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:21:57,319 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:21:57,520 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 138 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3459 [2021-06-05 15:21:57,520 INFO L430 AbstractCegarLoop]: === Iteration 143 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:21:57,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:21:57,520 INFO L82 PathProgramCache]: Analyzing trace with hash 848508788, now seen corresponding path program 138 times [2021-06-05 15:21:57,520 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:21:57,520 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100291316] [2021-06-05 15:21:57,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:21:57,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:21:57,564 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 15:21:57,565 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:21:57,565 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100291316] [2021-06-05 15:21:57,565 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100291316] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:21:57,565 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [344374372] [2021-06-05 15:21:57,565 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 139 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 139 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:21:57,595 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2021-06-05 15:21:57,595 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:21:57,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 55 conjunts are in the unsatisfiable core [2021-06-05 15:21:57,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:21:57,930 INFO L446 ElimStorePlain]: Different costs {28=[f], 66=[f_inv]} [2021-06-05 15:21:58,030 INFO L354 Elim1Store]: treesize reduction 125, result has 44.4 percent of original size [2021-06-05 15:21:58,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 264 treesize of output 208 [2021-06-05 15:21:58,443 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2021-06-05 15:22:05,401 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:22:05,451 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:22:05,521 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:22:05,521 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 13 new quantified variables, introduced 21 case distinctions, treesize of input 485 treesize of output 289 [2021-06-05 15:22:05,674 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:22:05,675 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:22:05,676 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:22:05,676 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:264, output treesize:3 [2021-06-05 15:22:05,684 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 97 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:22:05,684 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [344374372] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:22:05,684 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:22:05,684 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 16] total 23 [2021-06-05 15:22:05,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525587795] [2021-06-05 15:22:05,684 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-05 15:22:05,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:22:05,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-05 15:22:05,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2021-06-05 15:22:05,685 INFO L87 Difference]: Start difference. First operand 51480 states and 131161 transitions. Second operand has 23 states, 23 states have (on average 3.0) internal successors, (69), 23 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:22:06,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:22:06,054 INFO L93 Difference]: Finished difference Result 53250 states and 135691 transitions. [2021-06-05 15:22:06,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-05 15:22:06,055 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.0) internal successors, (69), 23 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2021-06-05 15:22:06,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:22:06,128 INFO L225 Difference]: With dead ends: 53250 [2021-06-05 15:22:06,128 INFO L226 Difference]: Without dead ends: 53232 [2021-06-05 15:22:06,128 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 318.8ms TimeCoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2021-06-05 15:22:06,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53232 states. [2021-06-05 15:22:06,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53232 to 52433. [2021-06-05 15:22:06,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52433 states, 52432 states have (on average 2.5524679584986267) internal successors, (133831), 52432 states have internal predecessors, (133831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:22:06,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52433 states to 52433 states and 133831 transitions. [2021-06-05 15:22:06,856 INFO L78 Accepts]: Start accepts. Automaton has 52433 states and 133831 transitions. Word has length 42 [2021-06-05 15:22:06,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:22:06,856 INFO L482 AbstractCegarLoop]: Abstraction has 52433 states and 133831 transitions. [2021-06-05 15:22:06,856 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 3.0) internal successors, (69), 23 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:22:06,856 INFO L276 IsEmpty]: Start isEmpty. Operand 52433 states and 133831 transitions. [2021-06-05 15:22:06,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-06-05 15:22:06,885 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:22:06,885 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:22:07,086 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3933,139 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:22:07,086 INFO L430 AbstractCegarLoop]: === Iteration 144 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:22:07,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:22:07,086 INFO L82 PathProgramCache]: Analyzing trace with hash -1524801932, now seen corresponding path program 139 times [2021-06-05 15:22:07,086 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:22:07,086 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487173304] [2021-06-05 15:22:07,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:22:07,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:22:07,133 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 15:22:07,133 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:22:07,133 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487173304] [2021-06-05 15:22:07,133 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487173304] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:22:07,133 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1464591803] [2021-06-05 15:22:07,133 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 140 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 140 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:22:07,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:22:07,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 45 conjunts are in the unsatisfiable core [2021-06-05 15:22:07,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:22:07,543 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 74 [2021-06-05 15:22:07,544 INFO L354 Elim1Store]: treesize reduction 365, result has 32.5 percent of original size [2021-06-05 15:22:07,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 16 new quantified variables, introduced 45 case distinctions, treesize of input 207 treesize of output 236 [2021-06-05 15:22:07,547 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:22:07,594 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:22:07,595 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:22:07,595 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:207, output treesize:294 [2021-06-05 15:22:07,683 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2021-06-05 15:22:08,522 WARN L205 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 47 [2021-06-05 15:22:08,603 INFO L446 ElimStorePlain]: Different costs {6=[v_prenex_142], 10=[f], 15=[v_prenex_143], 21=[v_prenex_141]} [2021-06-05 15:22:08,623 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:22:08,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 64 [2021-06-05 15:22:08,625 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:22:08,631 INFO L628 ElimStorePlain]: treesize reduction 216, result has 1.4 percent of original size [2021-06-05 15:22:08,631 INFO L518 ElimStorePlain]: Eliminatee f vanished before elimination [2021-06-05 15:22:08,631 INFO L518 ElimStorePlain]: Eliminatee v_prenex_143 vanished before elimination [2021-06-05 15:22:08,631 INFO L518 ElimStorePlain]: Eliminatee v_prenex_141 vanished before elimination [2021-06-05 15:22:08,632 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:22:08,632 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:239, output treesize:3 [2021-06-05 15:22:08,640 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 97 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:22:08,641 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1464591803] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:22:08,641 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:22:08,641 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 16] total 23 [2021-06-05 15:22:08,641 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603143735] [2021-06-05 15:22:08,641 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-05 15:22:08,641 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:22:08,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-05 15:22:08,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=447, Unknown=0, NotChecked=0, Total=506 [2021-06-05 15:22:08,641 INFO L87 Difference]: Start difference. First operand 52433 states and 133831 transitions. Second operand has 23 states, 23 states have (on average 3.0) internal successors, (69), 23 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:22:09,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:22:09,218 INFO L93 Difference]: Finished difference Result 54975 states and 140281 transitions. [2021-06-05 15:22:09,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-05 15:22:09,219 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.0) internal successors, (69), 23 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2021-06-05 15:22:09,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:22:09,293 INFO L225 Difference]: With dead ends: 54975 [2021-06-05 15:22:09,293 INFO L226 Difference]: Without dead ends: 54946 [2021-06-05 15:22:09,293 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 871.8ms TimeCoverageRelationStatistics Valid=59, Invalid=447, Unknown=0, NotChecked=0, Total=506 [2021-06-05 15:22:09,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54946 states. [2021-06-05 15:22:10,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54946 to 53500. [2021-06-05 15:22:10,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53500 states, 53499 states have (on average 2.556926297687807) internal successors, (136793), 53499 states have internal predecessors, (136793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:22:10,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53500 states to 53500 states and 136793 transitions. [2021-06-05 15:22:10,198 INFO L78 Accepts]: Start accepts. Automaton has 53500 states and 136793 transitions. Word has length 42 [2021-06-05 15:22:10,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:22:10,198 INFO L482 AbstractCegarLoop]: Abstraction has 53500 states and 136793 transitions. [2021-06-05 15:22:10,198 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 3.0) internal successors, (69), 23 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:22:10,198 INFO L276 IsEmpty]: Start isEmpty. Operand 53500 states and 136793 transitions. [2021-06-05 15:22:10,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-06-05 15:22:10,230 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:22:10,230 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:22:10,431 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6556,140 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:22:10,431 INFO L430 AbstractCegarLoop]: === Iteration 145 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:22:10,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:22:10,431 INFO L82 PathProgramCache]: Analyzing trace with hash -1648769676, now seen corresponding path program 140 times [2021-06-05 15:22:10,431 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:22:10,431 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927788330] [2021-06-05 15:22:10,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:22:10,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:22:10,475 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 15:22:10,475 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:22:10,475 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927788330] [2021-06-05 15:22:10,475 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927788330] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:22:10,475 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [491257796] [2021-06-05 15:22:10,475 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 141 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 141 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:22:10,502 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 15:22:10,502 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:22:10,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 45 conjunts are in the unsatisfiable core [2021-06-05 15:22:10,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:22:10,802 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 71 [2021-06-05 15:22:10,802 INFO L354 Elim1Store]: treesize reduction 226, result has 41.3 percent of original size [2021-06-05 15:22:10,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 15 new quantified variables, introduced 36 case distinctions, treesize of input 205 treesize of output 215 [2021-06-05 15:22:10,806 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:22:10,852 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:22:10,853 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:22:10,853 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:205, output treesize:260 [2021-06-05 15:22:10,958 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2021-06-05 15:22:11,915 WARN L205 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 51 [2021-06-05 15:22:12,073 INFO L446 ElimStorePlain]: Different costs {6=[v_prenex_145], 10=[f], 15=[v_prenex_146], 21=[v_prenex_144]} [2021-06-05 15:22:12,094 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:22:12,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 64 [2021-06-05 15:22:12,096 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:22:12,102 INFO L628 ElimStorePlain]: treesize reduction 214, result has 1.4 percent of original size [2021-06-05 15:22:12,102 INFO L518 ElimStorePlain]: Eliminatee f vanished before elimination [2021-06-05 15:22:12,102 INFO L518 ElimStorePlain]: Eliminatee v_prenex_146 vanished before elimination [2021-06-05 15:22:12,102 INFO L518 ElimStorePlain]: Eliminatee v_prenex_144 vanished before elimination [2021-06-05 15:22:12,103 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:22:12,103 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:237, output treesize:3 [2021-06-05 15:22:12,110 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 97 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:22:12,110 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [491257796] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:22:12,110 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:22:12,110 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 16] total 23 [2021-06-05 15:22:12,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7299511] [2021-06-05 15:22:12,111 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-05 15:22:12,111 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:22:12,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-05 15:22:12,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=448, Unknown=0, NotChecked=0, Total=506 [2021-06-05 15:22:12,111 INFO L87 Difference]: Start difference. First operand 53500 states and 136793 transitions. Second operand has 23 states, 23 states have (on average 3.0) internal successors, (69), 23 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:22:12,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:22:12,532 INFO L93 Difference]: Finished difference Result 56192 states and 143625 transitions. [2021-06-05 15:22:12,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-05 15:22:12,533 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.0) internal successors, (69), 23 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2021-06-05 15:22:12,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:22:12,612 INFO L225 Difference]: With dead ends: 56192 [2021-06-05 15:22:12,612 INFO L226 Difference]: Without dead ends: 56159 [2021-06-05 15:22:12,612 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 1093.3ms TimeCoverageRelationStatistics Valid=58, Invalid=448, Unknown=0, NotChecked=0, Total=506 [2021-06-05 15:22:12,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56159 states. [2021-06-05 15:22:13,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56159 to 54544. [2021-06-05 15:22:13,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54544 states, 54543 states have (on average 2.5606402288102963) internal successors, (139665), 54543 states have internal predecessors, (139665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:22:13,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54544 states to 54544 states and 139665 transitions. [2021-06-05 15:22:13,737 INFO L78 Accepts]: Start accepts. Automaton has 54544 states and 139665 transitions. Word has length 42 [2021-06-05 15:22:13,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:22:13,737 INFO L482 AbstractCegarLoop]: Abstraction has 54544 states and 139665 transitions. [2021-06-05 15:22:13,738 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 3.0) internal successors, (69), 23 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:22:13,738 INFO L276 IsEmpty]: Start isEmpty. Operand 54544 states and 139665 transitions. [2021-06-05 15:22:13,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-06-05 15:22:13,768 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:22:13,768 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:22:13,968 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6567,141 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:22:13,968 INFO L430 AbstractCegarLoop]: === Iteration 146 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:22:13,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:22:13,969 INFO L82 PathProgramCache]: Analyzing trace with hash -522687372, now seen corresponding path program 141 times [2021-06-05 15:22:13,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:22:13,969 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483827177] [2021-06-05 15:22:13,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:22:13,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:22:14,013 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 15:22:14,013 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:22:14,013 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483827177] [2021-06-05 15:22:14,013 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483827177] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:22:14,013 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [861008012] [2021-06-05 15:22:14,013 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 142 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 142 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:22:14,047 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2021-06-05 15:22:14,047 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:22:14,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 49 conjunts are in the unsatisfiable core [2021-06-05 15:22:14,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:22:14,440 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 68 [2021-06-05 15:22:14,441 INFO L354 Elim1Store]: treesize reduction 205, result has 39.2 percent of original size [2021-06-05 15:22:14,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 16 new quantified variables, introduced 36 case distinctions, treesize of input 258 treesize of output 214 [2021-06-05 15:22:16,557 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:22:16,606 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:22:17,516 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:22:17,516 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:258, output treesize:303 [2021-06-05 15:22:19,281 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2021-06-05 15:22:24,430 WARN L205 SmtUtils]: Spent 4.87 s on a formula simplification. DAG size of input: 960 DAG size of output: 960 [2021-06-05 15:22:29,953 WARN L205 SmtUtils]: Spent 5.29 s on a formula simplification. DAG size of input: 1607 DAG size of output: 1607 [2021-06-05 15:22:35,123 WARN L205 SmtUtils]: Spent 5.15 s on a formula simplification. DAG size of input: 1607 DAG size of output: 1607 [2021-06-05 15:22:37,971 WARN L205 SmtUtils]: Spent 2.64 s on a formula simplification that was a NOOP. DAG size: 1607 [2021-06-05 15:22:57,536 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2021-06-05 15:22:57,956 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:22:57,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 163 treesize of output 56 [2021-06-05 15:22:57,957 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:22:58,054 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:22:58,055 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 183 treesize of output 62 [2021-06-05 15:22:58,056 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:22:58,155 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:22:58,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 163 treesize of output 56 [2021-06-05 15:22:58,157 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:22:58,269 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:22:58,269 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 165 treesize of output 66 [2021-06-05 15:22:58,270 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:22:58,389 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:22:58,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-06-05 15:22:58,391 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 15:22:58,511 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:22:58,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 15:22:58,512 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 15:22:58,635 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:22:58,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 15:22:58,637 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 15:22:58,760 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:22:58,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 68 [2021-06-05 15:22:58,762 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 15:22:58,871 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:22:58,871 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 153 treesize of output 56 [2021-06-05 15:22:58,873 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 15:22:59,008 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:22:59,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 1 [2021-06-05 15:22:59,009 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 15:22:59,144 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:22:59,144 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 155 treesize of output 62 [2021-06-05 15:22:59,145 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 15:22:59,283 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:22:59,283 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 175 treesize of output 1 [2021-06-05 15:22:59,284 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 15:22:59,413 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:22:59,413 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 [2021-06-05 15:22:59,415 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 15:22:59,547 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:22:59,547 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 [2021-06-05 15:22:59,548 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 15:22:59,665 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:22:59,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 165 treesize of output 56 [2021-06-05 15:22:59,667 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 15:22:59,784 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:22:59,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 175 treesize of output 58 [2021-06-05 15:22:59,785 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 15:22:59,919 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:22:59,919 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 165 treesize of output 66 [2021-06-05 15:22:59,920 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:00,064 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:00,064 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 [2021-06-05 15:23:00,066 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:00,194 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:00,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 145 treesize of output 52 [2021-06-05 15:23:00,195 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:00,317 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:00,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 180 treesize of output 59 [2021-06-05 15:23:00,318 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:00,442 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:00,442 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 60 [2021-06-05 15:23:00,443 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:00,584 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:00,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 15:23:00,586 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:00,725 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:00,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 63 [2021-06-05 15:23:00,727 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:00,878 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:00,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 67 [2021-06-05 15:23:00,880 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:01,024 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:01,024 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 65 [2021-06-05 15:23:01,025 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:01,169 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:01,170 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 170 treesize of output 67 [2021-06-05 15:23:01,171 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:01,317 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:01,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 15:23:01,319 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:01,465 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:01,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 15:23:01,467 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:01,620 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:01,621 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 [2021-06-05 15:23:01,622 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:01,756 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:01,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 158 treesize of output 55 [2021-06-05 15:23:01,757 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:01,907 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:01,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 15:23:01,908 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:02,060 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:02,060 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 175 treesize of output 68 [2021-06-05 15:23:02,061 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:02,213 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:02,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 15:23:02,215 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:02,367 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:02,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 15:23:02,368 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:02,520 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:02,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 61 [2021-06-05 15:23:02,522 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:02,676 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:02,676 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 160 treesize of output 65 [2021-06-05 15:23:02,677 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:02,833 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:02,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-06-05 15:23:02,835 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:02,977 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:02,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 160 treesize of output 55 [2021-06-05 15:23:02,979 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:03,137 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:03,137 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 180 treesize of output 67 [2021-06-05 15:23:03,138 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:03,297 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:03,297 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 170 treesize of output 65 [2021-06-05 15:23:03,298 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:03,460 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:03,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 15:23:03,462 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:03,625 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:03,625 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 185 treesize of output 68 [2021-06-05 15:23:03,627 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:03,774 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:03,775 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 158 treesize of output 55 [2021-06-05 15:23:03,776 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:03,938 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:03,939 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 65 [2021-06-05 15:23:03,940 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:04,038 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:04,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 168 treesize of output 59 [2021-06-05 15:23:04,039 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:04,154 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:04,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 15:23:04,155 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:04,253 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:04,254 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 163 treesize of output 58 [2021-06-05 15:23:04,255 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:04,370 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:04,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 15:23:04,372 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:04,487 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:04,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 15:23:04,488 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:04,608 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:04,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 69 [2021-06-05 15:23:04,610 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:04,728 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:04,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 15:23:04,730 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:04,848 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:04,849 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 170 treesize of output 67 [2021-06-05 15:23:04,850 INFO L550 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:04,962 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:04,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 190 treesize of output 61 [2021-06-05 15:23:04,964 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:05,087 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:05,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 61 [2021-06-05 15:23:05,089 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:05,196 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:05,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 165 treesize of output 56 [2021-06-05 15:23:05,197 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:05,321 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:05,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 15:23:05,323 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:05,450 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:05,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 15:23:05,452 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:05,566 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:05,567 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 200 treesize of output 63 [2021-06-05 15:23:05,568 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:05,697 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:05,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 15:23:05,698 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:05,829 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:05,829 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 [2021-06-05 15:23:05,831 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:05,970 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:05,970 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 180 treesize of output 67 [2021-06-05 15:23:05,972 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:06,107 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:06,107 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 175 treesize of output 66 [2021-06-05 15:23:06,108 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:06,228 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:06,228 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 153 treesize of output 56 [2021-06-05 15:23:06,229 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:06,364 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:06,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 15:23:06,366 INFO L550 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:06,501 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:06,502 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 150 treesize of output 61 [2021-06-05 15:23:06,503 INFO L550 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:06,641 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:06,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 15:23:06,643 INFO L550 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:06,767 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:06,767 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 170 treesize of output 57 [2021-06-05 15:23:06,768 INFO L550 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:06,908 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:06,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 15:23:06,910 INFO L550 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:07,049 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:07,049 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 155 treesize of output 62 [2021-06-05 15:23:07,051 INFO L550 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:07,190 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:07,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 15:23:07,192 INFO L550 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:07,334 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:07,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 15:23:07,335 INFO L550 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:07,480 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:07,480 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 145 treesize of output 62 [2021-06-05 15:23:07,481 INFO L550 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:07,626 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:07,626 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 155 treesize of output 62 [2021-06-05 15:23:07,627 INFO L550 ElimStorePlain]: Start of recursive call 74: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:07,756 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:07,756 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 153 treesize of output 54 [2021-06-05 15:23:07,758 INFO L550 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:07,904 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:07,904 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 160 treesize of output 63 [2021-06-05 15:23:07,905 INFO L550 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:08,051 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:08,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 15:23:08,053 INFO L550 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:08,201 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:08,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 15:23:08,202 INFO L550 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:08,350 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:08,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 15:23:08,352 INFO L550 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:08,504 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:08,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 15:23:08,506 INFO L550 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:08,643 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:08,643 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 153 treesize of output 54 [2021-06-05 15:23:08,644 INFO L550 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:08,782 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:08,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 160 treesize of output 55 [2021-06-05 15:23:08,784 INFO L550 ElimStorePlain]: Start of recursive call 82: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:08,936 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:08,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 15:23:08,938 INFO L550 ElimStorePlain]: Start of recursive call 83: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:09,078 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:09,079 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 185 treesize of output 60 [2021-06-05 15:23:09,080 INFO L550 ElimStorePlain]: Start of recursive call 84: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:09,236 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:09,237 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 62 [2021-06-05 15:23:09,238 INFO L550 ElimStorePlain]: Start of recursive call 85: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:09,396 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:09,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 15:23:09,397 INFO L550 ElimStorePlain]: Start of recursive call 86: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:09,554 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:09,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 61 [2021-06-05 15:23:09,556 INFO L550 ElimStorePlain]: Start of recursive call 87: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:09,714 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:09,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 61 [2021-06-05 15:23:09,716 INFO L550 ElimStorePlain]: Start of recursive call 88: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:09,876 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:09,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 15:23:09,878 INFO L550 ElimStorePlain]: Start of recursive call 89: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:10,038 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:10,039 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 145 treesize of output 62 [2021-06-05 15:23:10,040 INFO L550 ElimStorePlain]: Start of recursive call 90: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:10,186 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:10,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 168 treesize of output 59 [2021-06-05 15:23:10,187 INFO L550 ElimStorePlain]: Start of recursive call 91: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:10,349 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:10,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 15:23:10,351 INFO L550 ElimStorePlain]: Start of recursive call 92: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:10,514 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:10,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 15:23:10,516 INFO L550 ElimStorePlain]: Start of recursive call 93: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:10,663 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:10,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 170 treesize of output 57 [2021-06-05 15:23:10,665 INFO L550 ElimStorePlain]: Start of recursive call 94: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:10,836 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:10,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 15:23:10,837 INFO L550 ElimStorePlain]: Start of recursive call 95: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:11,001 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:11,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 15:23:11,003 INFO L550 ElimStorePlain]: Start of recursive call 96: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:11,168 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:11,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 15:23:11,169 INFO L550 ElimStorePlain]: Start of recursive call 97: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:11,337 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:11,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 61 [2021-06-05 15:23:11,339 INFO L550 ElimStorePlain]: Start of recursive call 98: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:11,493 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:11,493 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 173 treesize of output 60 [2021-06-05 15:23:11,494 INFO L550 ElimStorePlain]: Start of recursive call 99: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:11,647 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:11,648 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 175 treesize of output 58 [2021-06-05 15:23:11,649 INFO L550 ElimStorePlain]: Start of recursive call 100: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:11,818 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:11,819 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 170 treesize of output 67 [2021-06-05 15:23:11,820 INFO L550 ElimStorePlain]: Start of recursive call 101: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:11,991 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:11,991 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 175 treesize of output 66 [2021-06-05 15:23:11,992 INFO L550 ElimStorePlain]: Start of recursive call 102: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:12,147 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:12,148 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 163 treesize of output 58 [2021-06-05 15:23:12,149 INFO L550 ElimStorePlain]: Start of recursive call 103: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:12,320 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:12,321 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 170 treesize of output 65 [2021-06-05 15:23:12,322 INFO L550 ElimStorePlain]: Start of recursive call 104: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:12,479 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:12,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 170 treesize of output 57 [2021-06-05 15:23:12,480 INFO L550 ElimStorePlain]: Start of recursive call 105: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:12,655 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:12,655 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 180 treesize of output 67 [2021-06-05 15:23:12,656 INFO L550 ElimStorePlain]: Start of recursive call 106: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:12,836 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:12,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 145 treesize of output 60 [2021-06-05 15:23:12,837 INFO L550 ElimStorePlain]: Start of recursive call 107: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:13,012 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:13,013 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 170 treesize of output 65 [2021-06-05 15:23:13,014 INFO L550 ElimStorePlain]: Start of recursive call 108: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:13,190 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:13,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 15:23:13,192 INFO L550 ElimStorePlain]: Start of recursive call 109: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:13,374 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:13,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 61 [2021-06-05 15:23:13,375 INFO L550 ElimStorePlain]: Start of recursive call 110: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:13,552 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:13,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 185 treesize of output 70 [2021-06-05 15:23:13,554 INFO L550 ElimStorePlain]: Start of recursive call 111: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:13,733 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:13,733 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 165 treesize of output 64 [2021-06-05 15:23:13,734 INFO L550 ElimStorePlain]: Start of recursive call 112: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:13,912 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:13,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 15:23:13,914 INFO L550 ElimStorePlain]: Start of recursive call 113: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:14,093 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:14,093 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 [2021-06-05 15:23:14,095 INFO L550 ElimStorePlain]: Start of recursive call 114: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:14,260 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:14,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 163 treesize of output 58 [2021-06-05 15:23:14,262 INFO L550 ElimStorePlain]: Start of recursive call 115: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:14,443 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:14,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 67 [2021-06-05 15:23:14,445 INFO L550 ElimStorePlain]: Start of recursive call 116: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:14,633 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:14,634 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 [2021-06-05 15:23:14,636 INFO L550 ElimStorePlain]: Start of recursive call 117: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:14,823 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:14,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-06-05 15:23:14,824 INFO L550 ElimStorePlain]: Start of recursive call 118: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:14,993 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:14,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 190 treesize of output 61 [2021-06-05 15:23:14,995 INFO L550 ElimStorePlain]: Start of recursive call 119: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:15,180 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:15,181 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 [2021-06-05 15:23:15,182 INFO L550 ElimStorePlain]: Start of recursive call 120: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:15,367 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:15,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 15:23:15,370 INFO L550 ElimStorePlain]: Start of recursive call 121: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:15,556 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:15,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 15:23:15,557 INFO L550 ElimStorePlain]: Start of recursive call 122: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:15,744 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:15,744 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 160 treesize of output 65 [2021-06-05 15:23:15,745 INFO L550 ElimStorePlain]: Start of recursive call 123: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:15,924 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:15,925 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 175 treesize of output 68 [2021-06-05 15:23:15,926 INFO L550 ElimStorePlain]: Start of recursive call 124: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:16,015 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:16,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 163 treesize of output 56 [2021-06-05 15:23:16,016 INFO L550 ElimStorePlain]: Start of recursive call 125: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:16,121 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:16,122 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 170 treesize of output 65 [2021-06-05 15:23:16,123 INFO L550 ElimStorePlain]: Start of recursive call 126: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:16,213 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:16,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 180 treesize of output 59 [2021-06-05 15:23:16,214 INFO L550 ElimStorePlain]: Start of recursive call 127: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:16,321 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:16,321 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 160 treesize of output 63 [2021-06-05 15:23:16,323 INFO L550 ElimStorePlain]: Start of recursive call 128: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:16,432 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:16,432 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 [2021-06-05 15:23:16,433 INFO L550 ElimStorePlain]: Start of recursive call 129: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:16,529 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:16,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 163 treesize of output 56 [2021-06-05 15:23:16,531 INFO L550 ElimStorePlain]: Start of recursive call 130: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:16,640 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:16,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 15:23:16,642 INFO L550 ElimStorePlain]: Start of recursive call 131: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:16,757 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:16,757 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 165 treesize of output 64 [2021-06-05 15:23:16,758 INFO L550 ElimStorePlain]: Start of recursive call 132: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:16,872 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:16,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 67 [2021-06-05 15:23:16,873 INFO L550 ElimStorePlain]: Start of recursive call 133: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:16,986 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:16,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 145 treesize of output 60 [2021-06-05 15:23:16,987 INFO L550 ElimStorePlain]: Start of recursive call 134: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:17,101 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:17,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 15:23:17,103 INFO L550 ElimStorePlain]: Start of recursive call 135: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:17,221 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:17,221 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 155 treesize of output 62 [2021-06-05 15:23:17,222 INFO L550 ElimStorePlain]: Start of recursive call 136: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:17,325 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:17,325 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 173 treesize of output 58 [2021-06-05 15:23:17,326 INFO L550 ElimStorePlain]: Start of recursive call 137: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:17,444 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:17,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 15:23:17,445 INFO L550 ElimStorePlain]: Start of recursive call 138: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:17,563 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:17,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 15:23:17,565 INFO L550 ElimStorePlain]: Start of recursive call 139: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:17,670 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:17,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 150 treesize of output 53 [2021-06-05 15:23:17,672 INFO L550 ElimStorePlain]: Start of recursive call 140: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:17,792 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:17,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 15:23:17,794 INFO L550 ElimStorePlain]: Start of recursive call 141: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:17,917 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:17,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 15:23:17,919 INFO L550 ElimStorePlain]: Start of recursive call 142: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:18,027 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:18,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 175 treesize of output 58 [2021-06-05 15:23:18,029 INFO L550 ElimStorePlain]: Start of recursive call 143: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:18,138 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:18,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 190 treesize of output 61 [2021-06-05 15:23:18,139 INFO L550 ElimStorePlain]: Start of recursive call 144: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:18,249 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:18,249 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 158 treesize of output 55 [2021-06-05 15:23:18,251 INFO L550 ElimStorePlain]: Start of recursive call 145: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:18,377 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:18,377 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 150 treesize of output 61 [2021-06-05 15:23:18,379 INFO L550 ElimStorePlain]: Start of recursive call 146: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:18,509 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:18,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 68 [2021-06-05 15:23:18,510 INFO L550 ElimStorePlain]: Start of recursive call 147: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:18,625 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:18,625 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 175 treesize of output 58 [2021-06-05 15:23:18,626 INFO L550 ElimStorePlain]: Start of recursive call 148: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:18,755 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:18,756 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 155 treesize of output 62 [2021-06-05 15:23:18,757 INFO L550 ElimStorePlain]: Start of recursive call 149: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:18,889 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:18,889 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 160 treesize of output 65 [2021-06-05 15:23:18,890 INFO L550 ElimStorePlain]: Start of recursive call 150: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:19,021 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:19,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 15:23:19,023 INFO L550 ElimStorePlain]: Start of recursive call 151: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:19,165 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:19,165 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 155 treesize of output 62 [2021-06-05 15:23:19,167 INFO L550 ElimStorePlain]: Start of recursive call 152: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:19,301 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:19,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 15:23:19,302 INFO L550 ElimStorePlain]: Start of recursive call 153: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:19,423 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:19,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 148 treesize of output 55 [2021-06-05 15:23:19,424 INFO L550 ElimStorePlain]: Start of recursive call 154: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:19,560 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:19,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 15:23:19,561 INFO L550 ElimStorePlain]: Start of recursive call 155: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:19,698 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:19,698 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 170 treesize of output 65 [2021-06-05 15:23:19,699 INFO L550 ElimStorePlain]: Start of recursive call 156: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:19,821 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:19,821 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 173 treesize of output 58 [2021-06-05 15:23:19,822 INFO L550 ElimStorePlain]: Start of recursive call 157: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:19,962 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:19,962 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 170 treesize of output 65 [2021-06-05 15:23:19,964 INFO L550 ElimStorePlain]: Start of recursive call 158: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:20,088 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:20,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 170 treesize of output 57 [2021-06-05 15:23:20,090 INFO L550 ElimStorePlain]: Start of recursive call 159: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:20,214 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:20,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 160 treesize of output 55 [2021-06-05 15:23:20,215 INFO L550 ElimStorePlain]: Start of recursive call 160: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:20,339 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:20,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 165 treesize of output 56 [2021-06-05 15:23:20,340 INFO L550 ElimStorePlain]: Start of recursive call 161: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:20,487 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:20,488 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 170 treesize of output 65 [2021-06-05 15:23:20,489 INFO L550 ElimStorePlain]: Start of recursive call 162: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:20,615 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:20,615 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 168 treesize of output 59 [2021-06-05 15:23:20,616 INFO L550 ElimStorePlain]: Start of recursive call 163: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:20,742 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:20,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 180 treesize of output 59 [2021-06-05 15:23:20,744 INFO L550 ElimStorePlain]: Start of recursive call 164: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:20,893 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:20,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 15:23:20,895 INFO L550 ElimStorePlain]: Start of recursive call 165: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:21,040 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:21,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 15:23:21,041 INFO L550 ElimStorePlain]: Start of recursive call 166: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:21,186 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:21,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 67 [2021-06-05 15:23:21,188 INFO L550 ElimStorePlain]: Start of recursive call 167: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:21,333 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:21,333 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 160 treesize of output 63 [2021-06-05 15:23:21,335 INFO L550 ElimStorePlain]: Start of recursive call 168: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:21,466 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:21,466 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 175 treesize of output 58 [2021-06-05 15:23:21,468 INFO L550 ElimStorePlain]: Start of recursive call 169: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:21,601 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:21,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 148 treesize of output 53 [2021-06-05 15:23:21,602 INFO L550 ElimStorePlain]: Start of recursive call 170: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:21,750 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:21,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 15:23:21,752 INFO L550 ElimStorePlain]: Start of recursive call 171: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:21,902 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:21,902 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 155 treesize of output 64 [2021-06-05 15:23:21,903 INFO L550 ElimStorePlain]: Start of recursive call 172: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:22,054 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:22,054 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 165 treesize of output 64 [2021-06-05 15:23:22,056 INFO L550 ElimStorePlain]: Start of recursive call 173: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:22,223 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:22,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 15:23:22,225 INFO L550 ElimStorePlain]: Start of recursive call 174: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:22,378 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:22,378 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 165 treesize of output 64 [2021-06-05 15:23:22,379 INFO L550 ElimStorePlain]: Start of recursive call 175: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:22,518 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:22,518 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 175 treesize of output 58 [2021-06-05 15:23:22,519 INFO L550 ElimStorePlain]: Start of recursive call 176: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:22,673 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:22,674 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 155 treesize of output 64 [2021-06-05 15:23:22,675 INFO L550 ElimStorePlain]: Start of recursive call 177: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:22,828 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:22,828 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 160 treesize of output 63 [2021-06-05 15:23:22,829 INFO L550 ElimStorePlain]: Start of recursive call 178: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:22,969 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:22,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 170 treesize of output 57 [2021-06-05 15:23:22,971 INFO L550 ElimStorePlain]: Start of recursive call 179: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:23,129 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:23,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 15:23:23,131 INFO L550 ElimStorePlain]: Start of recursive call 180: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:23,273 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:23,273 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 143 treesize of output 54 [2021-06-05 15:23:23,274 INFO L550 ElimStorePlain]: Start of recursive call 181: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:23,431 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:23,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 15:23:23,433 INFO L550 ElimStorePlain]: Start of recursive call 182: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:23,600 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:23,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 15:23:23,601 INFO L550 ElimStorePlain]: Start of recursive call 183: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:23,747 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:23,747 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 170 treesize of output 57 [2021-06-05 15:23:23,749 INFO L550 ElimStorePlain]: Start of recursive call 184: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:23,909 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:23,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 61 [2021-06-05 15:23:23,911 INFO L550 ElimStorePlain]: Start of recursive call 185: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:24,074 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:24,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 15:23:24,075 INFO L550 ElimStorePlain]: Start of recursive call 186: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:24,237 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:24,237 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 160 treesize of output 63 [2021-06-05 15:23:24,239 INFO L550 ElimStorePlain]: Start of recursive call 187: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:24,401 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:24,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 15:23:24,403 INFO L550 ElimStorePlain]: Start of recursive call 188: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:24,567 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:24,567 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 175 treesize of output 68 [2021-06-05 15:23:24,568 INFO L550 ElimStorePlain]: Start of recursive call 189: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:24,718 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:24,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 158 treesize of output 55 [2021-06-05 15:23:24,719 INFO L550 ElimStorePlain]: Start of recursive call 190: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:24,886 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:24,886 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 [2021-06-05 15:23:24,887 INFO L550 ElimStorePlain]: Start of recursive call 191: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:25,054 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:25,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-06-05 15:23:25,056 INFO L550 ElimStorePlain]: Start of recursive call 192: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:25,224 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:25,224 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 [2021-06-05 15:23:25,226 INFO L550 ElimStorePlain]: Start of recursive call 193: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:25,392 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:25,393 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 165 treesize of output 64 [2021-06-05 15:23:25,394 INFO L550 ElimStorePlain]: Start of recursive call 194: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:25,547 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:25,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 160 treesize of output 55 [2021-06-05 15:23:25,548 INFO L550 ElimStorePlain]: Start of recursive call 195: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:25,717 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:25,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 15:23:25,718 INFO L550 ElimStorePlain]: Start of recursive call 196: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:25,887 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:25,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 15:23:25,889 INFO L550 ElimStorePlain]: Start of recursive call 197: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:26,044 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:26,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 170 treesize of output 57 [2021-06-05 15:23:26,046 INFO L550 ElimStorePlain]: Start of recursive call 198: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:26,218 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:26,218 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 170 treesize of output 65 [2021-06-05 15:23:26,220 INFO L550 ElimStorePlain]: Start of recursive call 199: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:26,398 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:26,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 15:23:26,400 INFO L550 ElimStorePlain]: Start of recursive call 200: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:26,573 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:26,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 61 [2021-06-05 15:23:26,574 INFO L550 ElimStorePlain]: Start of recursive call 201: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:26,748 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:26,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 15:23:26,750 INFO L550 ElimStorePlain]: Start of recursive call 202: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:26,924 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:26,924 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 175 treesize of output 66 [2021-06-05 15:23:26,926 INFO L550 ElimStorePlain]: Start of recursive call 203: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:27,107 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:27,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 15:23:27,109 INFO L550 ElimStorePlain]: Start of recursive call 204: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:27,269 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:27,270 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 163 treesize of output 58 [2021-06-05 15:23:27,271 INFO L550 ElimStorePlain]: Start of recursive call 205: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:27,449 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:27,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 140 treesize of output 61 [2021-06-05 15:23:27,450 INFO L550 ElimStorePlain]: Start of recursive call 206: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:27,612 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:27,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 163 treesize of output 56 [2021-06-05 15:23:27,614 INFO L550 ElimStorePlain]: Start of recursive call 207: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:27,791 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:27,791 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 155 treesize of output 62 [2021-06-05 15:23:27,792 INFO L550 ElimStorePlain]: Start of recursive call 208: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:27,970 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:27,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 15:23:27,971 INFO L550 ElimStorePlain]: Start of recursive call 209: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:28,151 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:28,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 15:23:28,153 INFO L550 ElimStorePlain]: Start of recursive call 210: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:28,332 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:28,333 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 175 treesize of output 66 [2021-06-05 15:23:28,334 INFO L550 ElimStorePlain]: Start of recursive call 211: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:28,514 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:28,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 15:23:28,515 INFO L550 ElimStorePlain]: Start of recursive call 212: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:28,610 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:28,610 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 155 treesize of output 62 [2021-06-05 15:23:28,611 INFO L550 ElimStorePlain]: Start of recursive call 213: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:28,709 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:28,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 15:23:28,711 INFO L550 ElimStorePlain]: Start of recursive call 214: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:28,807 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:28,807 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 185 treesize of output 68 [2021-06-05 15:23:28,809 INFO L550 ElimStorePlain]: Start of recursive call 215: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:28,906 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:28,906 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 170 treesize of output 67 [2021-06-05 15:23:28,907 INFO L550 ElimStorePlain]: Start of recursive call 216: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:29,005 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:29,005 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 165 treesize of output 64 [2021-06-05 15:23:29,006 INFO L550 ElimStorePlain]: Start of recursive call 217: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:29,106 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:29,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-06-05 15:23:29,108 INFO L550 ElimStorePlain]: Start of recursive call 218: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:29,207 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:29,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 68 [2021-06-05 15:23:29,209 INFO L550 ElimStorePlain]: Start of recursive call 219: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:29,294 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:29,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 180 treesize of output 59 [2021-06-05 15:23:29,295 INFO L550 ElimStorePlain]: Start of recursive call 220: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:29,396 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:29,396 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 145 treesize of output 62 [2021-06-05 15:23:29,398 INFO L550 ElimStorePlain]: Start of recursive call 221: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:29,500 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:29,500 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 170 treesize of output 65 [2021-06-05 15:23:29,501 INFO L550 ElimStorePlain]: Start of recursive call 222: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:29,607 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:29,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 145 treesize of output 60 [2021-06-05 15:23:29,609 INFO L550 ElimStorePlain]: Start of recursive call 223: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:29,713 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:29,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 15:23:29,714 INFO L550 ElimStorePlain]: Start of recursive call 224: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:29,805 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:29,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 165 treesize of output 56 [2021-06-05 15:23:29,806 INFO L550 ElimStorePlain]: Start of recursive call 225: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:29,913 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:29,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-06-05 15:23:29,915 INFO L550 ElimStorePlain]: Start of recursive call 226: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:30,023 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:30,024 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 [2021-06-05 15:23:30,025 INFO L550 ElimStorePlain]: Start of recursive call 227: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:30,134 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:30,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 61 [2021-06-05 15:23:30,136 INFO L550 ElimStorePlain]: Start of recursive call 228: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:30,248 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:30,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 15:23:30,250 INFO L550 ElimStorePlain]: Start of recursive call 229: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:30,346 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:30,346 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 165 treesize of output 56 [2021-06-05 15:23:30,348 INFO L550 ElimStorePlain]: Start of recursive call 230: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:30,459 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:30,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 15:23:30,460 INFO L550 ElimStorePlain]: Start of recursive call 231: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:30,572 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:30,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 15:23:30,574 INFO L550 ElimStorePlain]: Start of recursive call 232: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:30,673 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:30,674 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 148 treesize of output 53 [2021-06-05 15:23:30,675 INFO L550 ElimStorePlain]: Start of recursive call 233: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:30,790 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:30,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 15:23:30,791 INFO L550 ElimStorePlain]: Start of recursive call 234: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:30,907 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:30,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 15:23:30,909 INFO L550 ElimStorePlain]: Start of recursive call 235: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:31,010 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:31,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 185 treesize of output 60 [2021-06-05 15:23:31,012 INFO L550 ElimStorePlain]: Start of recursive call 236: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:31,119 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:31,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 175 treesize of output 58 [2021-06-05 15:23:31,121 INFO L550 ElimStorePlain]: Start of recursive call 237: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:31,238 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:31,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 15:23:31,240 INFO L550 ElimStorePlain]: Start of recursive call 238: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:31,358 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:31,359 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 160 treesize of output 63 [2021-06-05 15:23:31,360 INFO L550 ElimStorePlain]: Start of recursive call 239: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:31,480 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:31,480 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 160 treesize of output 65 [2021-06-05 15:23:31,481 INFO L550 ElimStorePlain]: Start of recursive call 240: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:31,602 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:31,603 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 165 treesize of output 66 [2021-06-05 15:23:31,604 INFO L550 ElimStorePlain]: Start of recursive call 241: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:31,727 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:31,727 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 155 treesize of output 64 [2021-06-05 15:23:31,729 INFO L550 ElimStorePlain]: Start of recursive call 242: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:31,852 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:31,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 15:23:31,854 INFO L550 ElimStorePlain]: Start of recursive call 243: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:31,963 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:31,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 165 treesize of output 56 [2021-06-05 15:23:31,964 INFO L550 ElimStorePlain]: Start of recursive call 244: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:32,089 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:32,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 67 [2021-06-05 15:23:32,091 INFO L550 ElimStorePlain]: Start of recursive call 245: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:32,216 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:32,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 15:23:32,218 INFO L550 ElimStorePlain]: Start of recursive call 246: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:32,330 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:32,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 173 treesize of output 60 [2021-06-05 15:23:32,332 INFO L550 ElimStorePlain]: Start of recursive call 247: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:32,459 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:32,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 15:23:32,460 INFO L550 ElimStorePlain]: Start of recursive call 248: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:32,592 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:32,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 15:23:32,594 INFO L550 ElimStorePlain]: Start of recursive call 249: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:32,722 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:32,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 15:23:32,723 INFO L550 ElimStorePlain]: Start of recursive call 250: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:32,837 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:32,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 150 treesize of output 53 [2021-06-05 15:23:32,839 INFO L550 ElimStorePlain]: Start of recursive call 251: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:32,968 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:32,968 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 175 treesize of output 66 [2021-06-05 15:23:32,970 INFO L550 ElimStorePlain]: Start of recursive call 252: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:33,099 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:33,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 15:23:33,101 INFO L550 ElimStorePlain]: Start of recursive call 253: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:33,219 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:33,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 170 treesize of output 57 [2021-06-05 15:23:33,220 INFO L550 ElimStorePlain]: Start of recursive call 254: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:33,337 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:33,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 163 treesize of output 58 [2021-06-05 15:23:33,339 INFO L550 ElimStorePlain]: Start of recursive call 255: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:33,473 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:33,474 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 170 treesize of output 65 [2021-06-05 15:23:33,475 INFO L550 ElimStorePlain]: Start of recursive call 256: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:33,609 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:33,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 15:23:33,611 INFO L550 ElimStorePlain]: Start of recursive call 257: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:33,746 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:33,746 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 62 [2021-06-05 15:23:33,748 INFO L550 ElimStorePlain]: Start of recursive call 258: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:33,884 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:33,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 145 treesize of output 62 [2021-06-05 15:23:33,886 INFO L550 ElimStorePlain]: Start of recursive call 259: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:34,009 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:34,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 158 treesize of output 55 [2021-06-05 15:23:34,011 INFO L550 ElimStorePlain]: Start of recursive call 260: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:34,134 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:34,135 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 165 treesize of output 56 [2021-06-05 15:23:34,136 INFO L550 ElimStorePlain]: Start of recursive call 261: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:34,274 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:34,274 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 155 treesize of output 62 [2021-06-05 15:23:34,275 INFO L550 ElimStorePlain]: Start of recursive call 262: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:34,413 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:34,413 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 165 treesize of output 64 [2021-06-05 15:23:34,414 INFO L550 ElimStorePlain]: Start of recursive call 263: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:34,539 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:34,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 148 treesize of output 55 [2021-06-05 15:23:34,541 INFO L550 ElimStorePlain]: Start of recursive call 264: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:34,680 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:34,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 15:23:34,682 INFO L550 ElimStorePlain]: Start of recursive call 265: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:34,827 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:34,827 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 175 treesize of output 68 [2021-06-05 15:23:34,829 INFO L550 ElimStorePlain]: Start of recursive call 266: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:34,955 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:34,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 168 treesize of output 57 [2021-06-05 15:23:34,956 INFO L550 ElimStorePlain]: Start of recursive call 267: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:35,097 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:35,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-06-05 15:23:35,098 INFO L550 ElimStorePlain]: Start of recursive call 268: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:35,240 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:35,240 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 170 treesize of output 67 [2021-06-05 15:23:35,242 INFO L550 ElimStorePlain]: Start of recursive call 269: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:35,370 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:35,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 158 treesize of output 55 [2021-06-05 15:23:35,371 INFO L550 ElimStorePlain]: Start of recursive call 270: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:35,514 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:35,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 63 [2021-06-05 15:23:35,516 INFO L550 ElimStorePlain]: Start of recursive call 271: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:35,645 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:35,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 180 treesize of output 59 [2021-06-05 15:23:35,646 INFO L550 ElimStorePlain]: Start of recursive call 272: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:35,775 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:35,775 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 185 treesize of output 60 [2021-06-05 15:23:35,776 INFO L550 ElimStorePlain]: Start of recursive call 273: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:35,907 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:35,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 165 treesize of output 56 [2021-06-05 15:23:35,909 INFO L550 ElimStorePlain]: Start of recursive call 274: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:36,056 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:36,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 185 treesize of output 68 [2021-06-05 15:23:36,058 INFO L550 ElimStorePlain]: Start of recursive call 275: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:36,205 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:36,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 15:23:36,207 INFO L550 ElimStorePlain]: Start of recursive call 276: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:36,361 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:36,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 145 treesize of output 60 [2021-06-05 15:23:36,363 INFO L550 ElimStorePlain]: Start of recursive call 277: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:36,518 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:36,519 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 180 treesize of output 69 [2021-06-05 15:23:36,520 INFO L550 ElimStorePlain]: Start of recursive call 278: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:36,669 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:36,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 67 [2021-06-05 15:23:36,671 INFO L550 ElimStorePlain]: Start of recursive call 279: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:36,812 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:36,812 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 163 treesize of output 56 [2021-06-05 15:23:36,813 INFO L550 ElimStorePlain]: Start of recursive call 280: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:36,963 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:36,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 15:23:36,965 INFO L550 ElimStorePlain]: Start of recursive call 281: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:37,115 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:37,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 15:23:37,117 INFO L550 ElimStorePlain]: Start of recursive call 282: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:37,269 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:37,269 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 62 [2021-06-05 15:23:37,271 INFO L550 ElimStorePlain]: Start of recursive call 283: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:37,416 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:37,417 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 190 treesize of output 61 [2021-06-05 15:23:37,418 INFO L550 ElimStorePlain]: Start of recursive call 284: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:37,572 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:37,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 15:23:37,574 INFO L550 ElimStorePlain]: Start of recursive call 285: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:37,714 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:37,714 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 170 treesize of output 57 [2021-06-05 15:23:37,716 INFO L550 ElimStorePlain]: Start of recursive call 286: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:37,878 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:37,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-06-05 15:23:37,879 INFO L550 ElimStorePlain]: Start of recursive call 287: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:38,035 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:38,036 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 165 treesize of output 64 [2021-06-05 15:23:38,037 INFO L550 ElimStorePlain]: Start of recursive call 288: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:38,194 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:38,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 63 [2021-06-05 15:23:38,196 INFO L550 ElimStorePlain]: Start of recursive call 289: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:38,352 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:38,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 63 [2021-06-05 15:23:38,353 INFO L550 ElimStorePlain]: Start of recursive call 290: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:38,516 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:38,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 15:23:38,518 INFO L550 ElimStorePlain]: Start of recursive call 291: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:38,660 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:38,660 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 158 treesize of output 55 [2021-06-05 15:23:38,661 INFO L550 ElimStorePlain]: Start of recursive call 292: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:38,824 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:38,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 15:23:38,826 INFO L550 ElimStorePlain]: Start of recursive call 293: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:38,968 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:38,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 160 treesize of output 55 [2021-06-05 15:23:38,970 INFO L550 ElimStorePlain]: Start of recursive call 294: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:39,129 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:39,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-06-05 15:23:39,130 INFO L550 ElimStorePlain]: Start of recursive call 295: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:39,289 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:39,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 15:23:39,292 INFO L550 ElimStorePlain]: Start of recursive call 296: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:39,452 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:39,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-06-05 15:23:39,453 INFO L550 ElimStorePlain]: Start of recursive call 297: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:39,619 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:39,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 15:23:39,620 INFO L550 ElimStorePlain]: Start of recursive call 298: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:39,787 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:39,787 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 175 treesize of output 68 [2021-06-05 15:23:39,789 INFO L550 ElimStorePlain]: Start of recursive call 299: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:39,952 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:39,952 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 [2021-06-05 15:23:39,953 INFO L550 ElimStorePlain]: Start of recursive call 300: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:40,120 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:40,121 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 170 treesize of output 67 [2021-06-05 15:23:40,122 INFO L550 ElimStorePlain]: Start of recursive call 301: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:40,290 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:40,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 15:23:40,291 INFO L550 ElimStorePlain]: Start of recursive call 302: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:40,455 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:40,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-06-05 15:23:40,456 INFO L550 ElimStorePlain]: Start of recursive call 303: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:40,618 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:40,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 15:23:40,620 INFO L550 ElimStorePlain]: Start of recursive call 304: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:40,789 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:40,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 185 treesize of output 68 [2021-06-05 15:23:40,791 INFO L550 ElimStorePlain]: Start of recursive call 305: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:40,946 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:40,947 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 170 treesize of output 57 [2021-06-05 15:23:40,948 INFO L550 ElimStorePlain]: Start of recursive call 306: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:41,114 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:41,114 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 63 [2021-06-05 15:23:41,115 INFO L550 ElimStorePlain]: Start of recursive call 307: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:41,186 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:41,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 170 treesize of output 57 [2021-06-05 15:23:41,187 INFO L550 ElimStorePlain]: Start of recursive call 308: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:41,272 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:41,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 15:23:41,273 INFO L550 ElimStorePlain]: Start of recursive call 309: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:41,358 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:41,359 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 160 treesize of output 63 [2021-06-05 15:23:41,360 INFO L550 ElimStorePlain]: Start of recursive call 310: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:41,446 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:41,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 15:23:41,447 INFO L550 ElimStorePlain]: Start of recursive call 311: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:41,533 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:41,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 15:23:41,535 INFO L550 ElimStorePlain]: Start of recursive call 312: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:41,622 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:41,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 15:23:41,623 INFO L550 ElimStorePlain]: Start of recursive call 313: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:41,711 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:41,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 15:23:41,713 INFO L550 ElimStorePlain]: Start of recursive call 314: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:41,801 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:41,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 69 [2021-06-05 15:23:41,802 INFO L550 ElimStorePlain]: Start of recursive call 315: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:41,891 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:41,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-06-05 15:23:41,893 INFO L550 ElimStorePlain]: Start of recursive call 316: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:41,985 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:41,985 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 175 treesize of output 66 [2021-06-05 15:23:41,987 INFO L550 ElimStorePlain]: Start of recursive call 317: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:42,085 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:42,085 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 [2021-06-05 15:23:42,087 INFO L550 ElimStorePlain]: Start of recursive call 318: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:42,179 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:42,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 61 [2021-06-05 15:23:42,181 INFO L550 ElimStorePlain]: Start of recursive call 319: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:42,281 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:42,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 15:23:42,282 INFO L550 ElimStorePlain]: Start of recursive call 320: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:42,377 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:42,377 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 165 treesize of output 66 [2021-06-05 15:23:42,378 INFO L550 ElimStorePlain]: Start of recursive call 321: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:42,459 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:42,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 160 treesize of output 55 [2021-06-05 15:23:42,461 INFO L550 ElimStorePlain]: Start of recursive call 322: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:42,561 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:42,562 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 160 treesize of output 63 [2021-06-05 15:23:42,563 INFO L550 ElimStorePlain]: Start of recursive call 323: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:42,659 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:42,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 15:23:42,660 INFO L550 ElimStorePlain]: Start of recursive call 324: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:42,758 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:42,758 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 150 treesize of output 61 [2021-06-05 15:23:42,759 INFO L550 ElimStorePlain]: Start of recursive call 325: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:42,843 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:42,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 170 treesize of output 57 [2021-06-05 15:23:42,845 INFO L550 ElimStorePlain]: Start of recursive call 326: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:42,930 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:42,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 155 treesize of output 54 [2021-06-05 15:23:42,932 INFO L550 ElimStorePlain]: Start of recursive call 327: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:43,017 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:43,017 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 158 treesize of output 57 [2021-06-05 15:23:43,018 INFO L550 ElimStorePlain]: Start of recursive call 328: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:43,106 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:43,106 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 158 treesize of output 57 [2021-06-05 15:23:43,107 INFO L550 ElimStorePlain]: Start of recursive call 329: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:43,199 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:43,199 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 153 treesize of output 56 [2021-06-05 15:23:43,201 INFO L550 ElimStorePlain]: Start of recursive call 330: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:43,309 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:43,309 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 180 treesize of output 67 [2021-06-05 15:23:43,310 INFO L550 ElimStorePlain]: Start of recursive call 331: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:43,413 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:43,413 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 [2021-06-05 15:23:43,415 INFO L550 ElimStorePlain]: Start of recursive call 332: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:43,505 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:43,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 163 treesize of output 58 [2021-06-05 15:23:43,507 INFO L550 ElimStorePlain]: Start of recursive call 333: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:43,612 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:43,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 69 [2021-06-05 15:23:43,613 INFO L550 ElimStorePlain]: Start of recursive call 334: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:43,706 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:43,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 165 treesize of output 56 [2021-06-05 15:23:43,718 INFO L550 ElimStorePlain]: Start of recursive call 335: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:43,825 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:43,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 15:23:43,827 INFO L550 ElimStorePlain]: Start of recursive call 336: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:43,934 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:43,934 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 175 treesize of output 68 [2021-06-05 15:23:43,935 INFO L550 ElimStorePlain]: Start of recursive call 337: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:44,048 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:44,048 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 170 treesize of output 65 [2021-06-05 15:23:44,049 INFO L550 ElimStorePlain]: Start of recursive call 338: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:44,158 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:44,159 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 170 treesize of output 65 [2021-06-05 15:23:44,160 INFO L550 ElimStorePlain]: Start of recursive call 339: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:44,271 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:44,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 15:23:44,272 INFO L550 ElimStorePlain]: Start of recursive call 340: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:44,382 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:44,382 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 175 treesize of output 66 [2021-06-05 15:23:44,384 INFO L550 ElimStorePlain]: Start of recursive call 341: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:44,499 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:44,499 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 180 treesize of output 67 [2021-06-05 15:23:44,501 INFO L550 ElimStorePlain]: Start of recursive call 342: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:44,614 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:44,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 15:23:44,616 INFO L550 ElimStorePlain]: Start of recursive call 343: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:44,715 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:44,715 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 158 treesize of output 57 [2021-06-05 15:23:44,716 INFO L550 ElimStorePlain]: Start of recursive call 344: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:44,816 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:44,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 165 treesize of output 56 [2021-06-05 15:23:44,818 INFO L550 ElimStorePlain]: Start of recursive call 345: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:44,931 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:44,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 15:23:44,932 INFO L550 ElimStorePlain]: Start of recursive call 346: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:45,047 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:45,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 15:23:45,049 INFO L550 ElimStorePlain]: Start of recursive call 347: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:45,164 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:45,164 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 [2021-06-05 15:23:45,166 INFO L550 ElimStorePlain]: Start of recursive call 348: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:45,286 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:45,287 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 155 treesize of output 62 [2021-06-05 15:23:45,288 INFO L550 ElimStorePlain]: Start of recursive call 349: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:45,409 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:45,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 61 [2021-06-05 15:23:45,411 INFO L550 ElimStorePlain]: Start of recursive call 350: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:45,515 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:45,515 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 150 treesize of output 53 [2021-06-05 15:23:45,517 INFO L550 ElimStorePlain]: Start of recursive call 351: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:45,622 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:45,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 173 treesize of output 60 [2021-06-05 15:23:45,623 INFO L550 ElimStorePlain]: Start of recursive call 352: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:45,742 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:45,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 15:23:45,744 INFO L550 ElimStorePlain]: Start of recursive call 353: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:45,868 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:45,868 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 180 treesize of output 67 [2021-06-05 15:23:45,869 INFO L550 ElimStorePlain]: Start of recursive call 354: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:45,977 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:45,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 165 treesize of output 56 [2021-06-05 15:23:45,979 INFO L550 ElimStorePlain]: Start of recursive call 355: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:46,104 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:46,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 15:23:46,106 INFO L550 ElimStorePlain]: Start of recursive call 356: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:46,243 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:46,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 15:23:46,244 INFO L550 ElimStorePlain]: Start of recursive call 357: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:46,379 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:46,379 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 155 treesize of output 62 [2021-06-05 15:23:46,381 INFO L550 ElimStorePlain]: Start of recursive call 358: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:46,513 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:46,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 15:23:46,515 INFO L550 ElimStorePlain]: Start of recursive call 359: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:46,642 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:46,642 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 64 [2021-06-05 15:23:46,644 INFO L550 ElimStorePlain]: Start of recursive call 360: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:46,770 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:46,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 15:23:46,771 INFO L550 ElimStorePlain]: Start of recursive call 361: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:46,897 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:46,897 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 [2021-06-05 15:23:46,899 INFO L550 ElimStorePlain]: Start of recursive call 362: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:47,011 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:47,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 170 treesize of output 57 [2021-06-05 15:23:47,012 INFO L550 ElimStorePlain]: Start of recursive call 363: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:47,139 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:47,139 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 [2021-06-05 15:23:47,141 INFO L550 ElimStorePlain]: Start of recursive call 364: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:47,268 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:47,268 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 160 treesize of output 63 [2021-06-05 15:23:47,270 INFO L550 ElimStorePlain]: Start of recursive call 365: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:47,383 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:47,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 175 treesize of output 58 [2021-06-05 15:23:47,384 INFO L550 ElimStorePlain]: Start of recursive call 366: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:47,510 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:47,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 15:23:47,512 INFO L550 ElimStorePlain]: Start of recursive call 367: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:47,639 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:47,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 15:23:47,640 INFO L550 ElimStorePlain]: Start of recursive call 368: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:47,768 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:47,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 63 [2021-06-05 15:23:47,770 INFO L550 ElimStorePlain]: Start of recursive call 369: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:47,887 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:47,887 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 160 treesize of output 55 [2021-06-05 15:23:47,888 INFO L550 ElimStorePlain]: Start of recursive call 370: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:48,017 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:48,017 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 150 treesize of output 63 [2021-06-05 15:23:48,019 INFO L550 ElimStorePlain]: Start of recursive call 371: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:48,150 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:48,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 15:23:48,152 INFO L550 ElimStorePlain]: Start of recursive call 372: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:48,289 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:48,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 15:23:48,291 INFO L550 ElimStorePlain]: Start of recursive call 373: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:48,410 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:48,410 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 160 treesize of output 55 [2021-06-05 15:23:48,411 INFO L550 ElimStorePlain]: Start of recursive call 374: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:48,544 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:48,545 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 165 treesize of output 64 [2021-06-05 15:23:48,547 INFO L550 ElimStorePlain]: Start of recursive call 375: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:48,679 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:48,679 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 160 treesize of output 63 [2021-06-05 15:23:48,680 INFO L550 ElimStorePlain]: Start of recursive call 376: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:48,815 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:48,815 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 165 treesize of output 64 [2021-06-05 15:23:48,817 INFO L550 ElimStorePlain]: Start of recursive call 377: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:48,950 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:48,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 15:23:48,952 INFO L550 ElimStorePlain]: Start of recursive call 378: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:49,086 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:49,086 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 175 treesize of output 66 [2021-06-05 15:23:49,087 INFO L550 ElimStorePlain]: Start of recursive call 379: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:49,227 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:49,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 15:23:49,228 INFO L550 ElimStorePlain]: Start of recursive call 380: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:49,363 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:49,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 15:23:49,365 INFO L550 ElimStorePlain]: Start of recursive call 381: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:49,500 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:49,500 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 160 treesize of output 65 [2021-06-05 15:23:49,501 INFO L550 ElimStorePlain]: Start of recursive call 382: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:49,639 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:49,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 145 treesize of output 62 [2021-06-05 15:23:49,641 INFO L550 ElimStorePlain]: Start of recursive call 383: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:49,783 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:49,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 185 treesize of output 68 [2021-06-05 15:23:49,785 INFO L550 ElimStorePlain]: Start of recursive call 384: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:49,923 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:49,923 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 150 treesize of output 63 [2021-06-05 15:23:49,924 INFO L550 ElimStorePlain]: Start of recursive call 385: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:50,049 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:50,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 165 treesize of output 56 [2021-06-05 15:23:50,051 INFO L550 ElimStorePlain]: Start of recursive call 386: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:50,190 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:50,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-06-05 15:23:50,192 INFO L550 ElimStorePlain]: Start of recursive call 387: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:50,331 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:50,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 15:23:50,334 INFO L550 ElimStorePlain]: Start of recursive call 388: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:50,474 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:50,474 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 175 treesize of output 68 [2021-06-05 15:23:50,475 INFO L550 ElimStorePlain]: Start of recursive call 389: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:50,603 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:50,603 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 180 treesize of output 59 [2021-06-05 15:23:50,604 INFO L550 ElimStorePlain]: Start of recursive call 390: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:50,746 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:50,746 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 160 treesize of output 65 [2021-06-05 15:23:50,748 INFO L550 ElimStorePlain]: Start of recursive call 391: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:50,880 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:50,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 185 treesize of output 60 [2021-06-05 15:23:50,882 INFO L550 ElimStorePlain]: Start of recursive call 392: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:51,012 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:51,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 168 treesize of output 59 [2021-06-05 15:23:51,013 INFO L550 ElimStorePlain]: Start of recursive call 393: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:51,141 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:51,142 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 155 treesize of output 54 [2021-06-05 15:23:51,150 INFO L550 ElimStorePlain]: Start of recursive call 394: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:51,279 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:51,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 180 treesize of output 59 [2021-06-05 15:23:51,281 INFO L550 ElimStorePlain]: Start of recursive call 395: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:51,428 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:51,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 15:23:51,430 INFO L550 ElimStorePlain]: Start of recursive call 396: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:51,560 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:51,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 163 treesize of output 56 [2021-06-05 15:23:51,561 INFO L550 ElimStorePlain]: Start of recursive call 397: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:51,710 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:51,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 15:23:51,711 INFO L550 ElimStorePlain]: Start of recursive call 398: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:51,855 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:51,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 15:23:51,856 INFO L550 ElimStorePlain]: Start of recursive call 399: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:52,003 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:52,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 15:23:52,004 INFO L550 ElimStorePlain]: Start of recursive call 400: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:52,139 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:52,139 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 148 treesize of output 53 [2021-06-05 15:23:52,140 INFO L550 ElimStorePlain]: Start of recursive call 401: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:52,288 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:52,288 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 67 [2021-06-05 15:23:52,289 INFO L550 ElimStorePlain]: Start of recursive call 402: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:52,424 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:52,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 163 treesize of output 58 [2021-06-05 15:23:52,425 INFO L550 ElimStorePlain]: Start of recursive call 403: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:52,575 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:52,575 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 150 treesize of output 61 [2021-06-05 15:23:52,577 INFO L550 ElimStorePlain]: Start of recursive call 404: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:52,725 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:52,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 15:23:52,726 INFO L550 ElimStorePlain]: Start of recursive call 405: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:52,879 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:52,879 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 170 treesize of output 67 [2021-06-05 15:23:52,881 INFO L550 ElimStorePlain]: Start of recursive call 406: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:53,030 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:53,030 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 64 [2021-06-05 15:23:53,032 INFO L550 ElimStorePlain]: Start of recursive call 407: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:53,169 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:53,169 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 165 treesize of output 56 [2021-06-05 15:23:53,170 INFO L550 ElimStorePlain]: Start of recursive call 408: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:53,321 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:53,321 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 165 treesize of output 66 [2021-06-05 15:23:53,323 INFO L550 ElimStorePlain]: Start of recursive call 409: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:53,473 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:53,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 68 [2021-06-05 15:23:53,474 INFO L550 ElimStorePlain]: Start of recursive call 410: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:53,615 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:53,615 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 155 treesize of output 54 [2021-06-05 15:23:53,617 INFO L550 ElimStorePlain]: Start of recursive call 411: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:53,771 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:53,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 15:23:53,773 INFO L550 ElimStorePlain]: Start of recursive call 412: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:53,914 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:53,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 160 treesize of output 55 [2021-06-05 15:23:53,916 INFO L550 ElimStorePlain]: Start of recursive call 413: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:53,991 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:53,991 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 160 treesize of output 63 [2021-06-05 15:23:53,993 INFO L550 ElimStorePlain]: Start of recursive call 414: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:54,054 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:54,055 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 190 treesize of output 61 [2021-06-05 15:23:54,056 INFO L550 ElimStorePlain]: Start of recursive call 415: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:54,130 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:54,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 15:23:54,131 INFO L550 ElimStorePlain]: Start of recursive call 416: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:54,194 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:54,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 170 treesize of output 57 [2021-06-05 15:23:54,195 INFO L550 ElimStorePlain]: Start of recursive call 417: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:54,257 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:54,258 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 178 treesize of output 59 [2021-06-05 15:23:54,259 INFO L550 ElimStorePlain]: Start of recursive call 418: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:54,321 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:54,321 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 175 treesize of output 58 [2021-06-05 15:23:54,323 INFO L550 ElimStorePlain]: Start of recursive call 419: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:54,400 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:54,400 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 145 treesize of output 60 [2021-06-05 15:23:54,401 INFO L550 ElimStorePlain]: Start of recursive call 420: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:54,482 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:54,483 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 150 treesize of output 63 [2021-06-05 15:23:54,484 INFO L550 ElimStorePlain]: Start of recursive call 421: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:54,566 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:54,567 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 175 treesize of output 66 [2021-06-05 15:23:54,568 INFO L550 ElimStorePlain]: Start of recursive call 422: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:54,651 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:54,651 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 [2021-06-05 15:23:54,652 INFO L550 ElimStorePlain]: Start of recursive call 423: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:54,733 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:54,733 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 165 treesize of output 64 [2021-06-05 15:23:54,735 INFO L550 ElimStorePlain]: Start of recursive call 424: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:54,817 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:54,818 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 65 [2021-06-05 15:23:54,819 INFO L550 ElimStorePlain]: Start of recursive call 425: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:54,905 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:54,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 15:23:54,906 INFO L550 ElimStorePlain]: Start of recursive call 426: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:54,989 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:54,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 15:23:54,990 INFO L550 ElimStorePlain]: Start of recursive call 427: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:55,062 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:55,062 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 175 treesize of output 58 [2021-06-05 15:23:55,064 INFO L550 ElimStorePlain]: Start of recursive call 428: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:55,149 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:55,149 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 170 treesize of output 65 [2021-06-05 15:23:55,151 INFO L550 ElimStorePlain]: Start of recursive call 429: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:55,237 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:55,237 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 170 treesize of output 67 [2021-06-05 15:23:55,238 INFO L550 ElimStorePlain]: Start of recursive call 430: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:55,329 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:55,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-06-05 15:23:55,331 INFO L550 ElimStorePlain]: Start of recursive call 431: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:55,418 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:55,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 15:23:55,420 INFO L550 ElimStorePlain]: Start of recursive call 432: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:55,493 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:55,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 180 treesize of output 59 [2021-06-05 15:23:55,495 INFO L550 ElimStorePlain]: Start of recursive call 433: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:55,582 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:55,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 15:23:55,583 INFO L550 ElimStorePlain]: Start of recursive call 434: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:55,674 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:55,674 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 155 treesize of output 62 [2021-06-05 15:23:55,675 INFO L550 ElimStorePlain]: Start of recursive call 435: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:55,762 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:55,763 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 165 treesize of output 66 [2021-06-05 15:23:55,764 INFO L550 ElimStorePlain]: Start of recursive call 436: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:55,852 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:55,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 15:23:55,853 INFO L550 ElimStorePlain]: Start of recursive call 437: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:55,944 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:55,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 15:23:55,945 INFO L550 ElimStorePlain]: Start of recursive call 438: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:56,038 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:56,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 15:23:56,040 INFO L550 ElimStorePlain]: Start of recursive call 439: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:56,131 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:56,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-06-05 15:23:56,133 INFO L550 ElimStorePlain]: Start of recursive call 440: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:56,212 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:56,212 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 165 treesize of output 56 [2021-06-05 15:23:56,214 INFO L550 ElimStorePlain]: Start of recursive call 441: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:56,306 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:56,306 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 165 treesize of output 66 [2021-06-05 15:23:56,307 INFO L550 ElimStorePlain]: Start of recursive call 442: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:56,400 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:56,400 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 [2021-06-05 15:23:56,401 INFO L550 ElimStorePlain]: Start of recursive call 443: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:56,494 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:56,494 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 170 treesize of output 67 [2021-06-05 15:23:56,495 INFO L550 ElimStorePlain]: Start of recursive call 444: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:56,593 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:56,593 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 190 treesize of output 69 [2021-06-05 15:23:56,595 INFO L550 ElimStorePlain]: Start of recursive call 445: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:56,690 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:56,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 15:23:56,691 INFO L550 ElimStorePlain]: Start of recursive call 446: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:56,786 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:56,787 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 160 treesize of output 63 [2021-06-05 15:23:56,788 INFO L550 ElimStorePlain]: Start of recursive call 447: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:56,885 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:56,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-06-05 15:23:56,887 INFO L550 ElimStorePlain]: Start of recursive call 448: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:56,982 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:56,983 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 170 treesize of output 67 [2021-06-05 15:23:56,984 INFO L550 ElimStorePlain]: Start of recursive call 449: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:57,080 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:57,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 15:23:57,082 INFO L550 ElimStorePlain]: Start of recursive call 450: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:57,180 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:57,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 15:23:57,181 INFO L550 ElimStorePlain]: Start of recursive call 451: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:57,281 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:57,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-06-05 15:23:57,283 INFO L550 ElimStorePlain]: Start of recursive call 452: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:57,371 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:57,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 168 treesize of output 57 [2021-06-05 15:23:57,372 INFO L550 ElimStorePlain]: Start of recursive call 453: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:57,472 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:57,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-06-05 15:23:57,474 INFO L550 ElimStorePlain]: Start of recursive call 454: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:57,574 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:57,574 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 165 treesize of output 66 [2021-06-05 15:23:57,575 INFO L550 ElimStorePlain]: Start of recursive call 455: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:57,677 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:57,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 15:23:57,679 INFO L550 ElimStorePlain]: Start of recursive call 456: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:57,780 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:57,780 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 160 treesize of output 63 [2021-06-05 15:23:57,781 INFO L550 ElimStorePlain]: Start of recursive call 457: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:57,883 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:57,883 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 160 treesize of output 65 [2021-06-05 15:23:57,885 INFO L550 ElimStorePlain]: Start of recursive call 458: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:57,987 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:57,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 15:23:57,988 INFO L550 ElimStorePlain]: Start of recursive call 459: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:58,079 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:58,079 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 168 treesize of output 57 [2021-06-05 15:23:58,080 INFO L550 ElimStorePlain]: Start of recursive call 460: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:58,171 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:58,171 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 175 treesize of output 58 [2021-06-05 15:23:58,172 INFO L550 ElimStorePlain]: Start of recursive call 461: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:58,275 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:58,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 15:23:58,277 INFO L550 ElimStorePlain]: Start of recursive call 462: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:58,368 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:58,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 168 treesize of output 59 [2021-06-05 15:23:58,369 INFO L550 ElimStorePlain]: Start of recursive call 463: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:58,461 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:58,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 155 treesize of output 54 [2021-06-05 15:23:58,463 INFO L550 ElimStorePlain]: Start of recursive call 464: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:58,567 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:58,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-06-05 15:23:58,569 INFO L550 ElimStorePlain]: Start of recursive call 465: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:58,680 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:58,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 15:23:58,681 INFO L550 ElimStorePlain]: Start of recursive call 466: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:58,789 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:58,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 15:23:58,790 INFO L550 ElimStorePlain]: Start of recursive call 467: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:58,896 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:58,897 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 66 [2021-06-05 15:23:58,898 INFO L550 ElimStorePlain]: Start of recursive call 468: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:59,005 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:59,006 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 62 [2021-06-05 15:23:59,007 INFO L550 ElimStorePlain]: Start of recursive call 469: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:59,115 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:59,115 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 64 [2021-06-05 15:23:59,116 INFO L550 ElimStorePlain]: Start of recursive call 470: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:59,223 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:59,224 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 [2021-06-05 15:23:59,225 INFO L550 ElimStorePlain]: Start of recursive call 471: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:59,333 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:59,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 67 [2021-06-05 15:23:59,335 INFO L550 ElimStorePlain]: Start of recursive call 472: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:59,443 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:59,443 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 155 treesize of output 64 [2021-06-05 15:23:59,445 INFO L550 ElimStorePlain]: Start of recursive call 473: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:59,554 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:59,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 15:23:59,556 INFO L550 ElimStorePlain]: Start of recursive call 474: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:59,669 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:59,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 67 [2021-06-05 15:23:59,671 INFO L550 ElimStorePlain]: Start of recursive call 475: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:59,779 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:59,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 15:23:59,781 INFO L550 ElimStorePlain]: Start of recursive call 476: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:59,878 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:23:59,878 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 163 treesize of output 58 [2021-06-05 15:23:59,879 INFO L550 ElimStorePlain]: Start of recursive call 477: End of recursive call: and 1 xjuncts. [2021-06-05 15:23:59,993 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:23:59,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 140 treesize of output 59 [2021-06-05 15:23:59,994 INFO L550 ElimStorePlain]: Start of recursive call 478: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:00,106 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:00,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 15:24:00,108 INFO L550 ElimStorePlain]: Start of recursive call 479: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:00,219 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:00,219 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 [2021-06-05 15:24:00,221 INFO L550 ElimStorePlain]: Start of recursive call 480: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:00,322 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:00,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 153 treesize of output 54 [2021-06-05 15:24:00,323 INFO L550 ElimStorePlain]: Start of recursive call 481: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:00,424 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:00,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 160 treesize of output 55 [2021-06-05 15:24:00,425 INFO L550 ElimStorePlain]: Start of recursive call 482: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:00,538 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:00,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 15:24:00,539 INFO L550 ElimStorePlain]: Start of recursive call 483: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:00,644 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:00,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 178 treesize of output 61 [2021-06-05 15:24:00,645 INFO L550 ElimStorePlain]: Start of recursive call 484: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:00,759 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:00,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 15:24:00,761 INFO L550 ElimStorePlain]: Start of recursive call 485: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:00,875 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:00,875 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 170 treesize of output 65 [2021-06-05 15:24:00,876 INFO L550 ElimStorePlain]: Start of recursive call 486: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:00,990 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:00,991 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 155 treesize of output 64 [2021-06-05 15:24:00,992 INFO L550 ElimStorePlain]: Start of recursive call 487: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:01,095 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:01,096 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 153 treesize of output 56 [2021-06-05 15:24:01,097 INFO L550 ElimStorePlain]: Start of recursive call 488: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:01,218 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:01,218 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 170 treesize of output 65 [2021-06-05 15:24:01,219 INFO L550 ElimStorePlain]: Start of recursive call 489: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:01,335 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:01,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 15:24:01,337 INFO L550 ElimStorePlain]: Start of recursive call 490: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:01,453 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:01,453 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 165 treesize of output 64 [2021-06-05 15:24:01,458 INFO L550 ElimStorePlain]: Start of recursive call 491: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:01,574 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:01,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-06-05 15:24:01,576 INFO L550 ElimStorePlain]: Start of recursive call 492: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:01,692 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:01,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 15:24:01,693 INFO L550 ElimStorePlain]: Start of recursive call 493: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:01,813 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:01,813 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 155 treesize of output 62 [2021-06-05 15:24:01,815 INFO L550 ElimStorePlain]: Start of recursive call 494: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:01,931 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:01,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 15:24:01,933 INFO L550 ElimStorePlain]: Start of recursive call 495: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:02,037 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:02,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 175 treesize of output 58 [2021-06-05 15:24:02,039 INFO L550 ElimStorePlain]: Start of recursive call 496: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:02,148 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:02,148 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 185 treesize of output 60 [2021-06-05 15:24:02,149 INFO L550 ElimStorePlain]: Start of recursive call 497: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:02,267 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:02,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 15:24:02,268 INFO L550 ElimStorePlain]: Start of recursive call 498: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:02,386 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:02,386 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 160 treesize of output 63 [2021-06-05 15:24:02,387 INFO L550 ElimStorePlain]: Start of recursive call 499: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:02,505 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:02,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 180 treesize of output 59 [2021-06-05 15:24:02,507 INFO L550 ElimStorePlain]: Start of recursive call 500: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:02,634 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:02,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 67 [2021-06-05 15:24:02,636 INFO L550 ElimStorePlain]: Start of recursive call 501: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:02,751 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:02,751 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 175 treesize of output 58 [2021-06-05 15:24:02,753 INFO L550 ElimStorePlain]: Start of recursive call 502: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:02,863 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:02,863 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 175 treesize of output 58 [2021-06-05 15:24:02,865 INFO L550 ElimStorePlain]: Start of recursive call 503: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:02,986 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:02,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 15:24:02,987 INFO L550 ElimStorePlain]: Start of recursive call 504: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:03,109 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:03,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 15:24:03,110 INFO L550 ElimStorePlain]: Start of recursive call 505: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:03,235 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:03,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 63 [2021-06-05 15:24:03,237 INFO L550 ElimStorePlain]: Start of recursive call 506: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:03,360 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:03,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-06-05 15:24:03,361 INFO L550 ElimStorePlain]: Start of recursive call 507: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:03,486 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:03,486 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 165 treesize of output 66 [2021-06-05 15:24:03,488 INFO L550 ElimStorePlain]: Start of recursive call 508: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:03,599 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:03,599 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 180 treesize of output 59 [2021-06-05 15:24:03,601 INFO L550 ElimStorePlain]: Start of recursive call 509: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:03,712 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:03,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 143 treesize of output 52 [2021-06-05 15:24:03,713 INFO L550 ElimStorePlain]: Start of recursive call 510: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:03,836 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:03,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 15:24:03,838 INFO L550 ElimStorePlain]: Start of recursive call 511: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:03,960 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:03,961 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 [2021-06-05 15:24:03,962 INFO L550 ElimStorePlain]: Start of recursive call 512: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:04,073 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:04,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 170 treesize of output 57 [2021-06-05 15:24:04,074 INFO L550 ElimStorePlain]: Start of recursive call 513: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:04,197 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:04,198 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 [2021-06-05 15:24:04,199 INFO L550 ElimStorePlain]: Start of recursive call 514: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:04,311 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:04,312 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 148 treesize of output 53 [2021-06-05 15:24:04,313 INFO L550 ElimStorePlain]: Start of recursive call 515: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:04,443 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:04,443 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 165 treesize of output 66 [2021-06-05 15:24:04,444 INFO L550 ElimStorePlain]: Start of recursive call 516: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:04,577 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:04,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 15:24:04,578 INFO L550 ElimStorePlain]: Start of recursive call 517: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:04,705 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:04,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 15:24:04,707 INFO L550 ElimStorePlain]: Start of recursive call 518: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:04,821 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:04,822 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 158 treesize of output 57 [2021-06-05 15:24:04,823 INFO L550 ElimStorePlain]: Start of recursive call 519: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:04,937 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:04,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 165 treesize of output 56 [2021-06-05 15:24:04,939 INFO L550 ElimStorePlain]: Start of recursive call 520: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:05,070 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:05,070 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 64 [2021-06-05 15:24:05,072 INFO L550 ElimStorePlain]: Start of recursive call 521: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:05,206 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:05,206 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 165 treesize of output 64 [2021-06-05 15:24:05,207 INFO L550 ElimStorePlain]: Start of recursive call 522: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:05,335 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:05,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 15:24:05,337 INFO L550 ElimStorePlain]: Start of recursive call 523: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:05,457 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:05,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 178 treesize of output 61 [2021-06-05 15:24:05,458 INFO L550 ElimStorePlain]: Start of recursive call 524: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:05,588 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:05,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 63 [2021-06-05 15:24:05,589 INFO L550 ElimStorePlain]: Start of recursive call 525: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:05,707 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:05,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 155 treesize of output 54 [2021-06-05 15:24:05,708 INFO L550 ElimStorePlain]: Start of recursive call 526: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:05,838 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:05,838 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 155 treesize of output 64 [2021-06-05 15:24:05,839 INFO L550 ElimStorePlain]: Start of recursive call 527: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:05,958 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:05,958 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 158 treesize of output 57 [2021-06-05 15:24:05,959 INFO L550 ElimStorePlain]: Start of recursive call 528: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:06,090 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:06,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 15:24:06,092 INFO L550 ElimStorePlain]: Start of recursive call 529: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:06,222 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:06,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 68 [2021-06-05 15:24:06,224 INFO L550 ElimStorePlain]: Start of recursive call 530: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:06,356 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:06,356 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 155 treesize of output 62 [2021-06-05 15:24:06,357 INFO L550 ElimStorePlain]: Start of recursive call 531: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:06,488 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:06,489 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 [2021-06-05 15:24:06,490 INFO L550 ElimStorePlain]: Start of recursive call 532: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:06,633 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:06,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 15:24:06,635 INFO L550 ElimStorePlain]: Start of recursive call 533: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:06,761 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:06,762 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 [2021-06-05 15:24:06,763 INFO L550 ElimStorePlain]: Start of recursive call 534: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:06,831 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:06,832 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 155 treesize of output 62 [2021-06-05 15:24:06,833 INFO L550 ElimStorePlain]: Start of recursive call 535: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:06,897 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:06,897 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 175 treesize of output 66 [2021-06-05 15:24:06,898 INFO L550 ElimStorePlain]: Start of recursive call 536: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:06,962 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:06,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 15:24:06,963 INFO L550 ElimStorePlain]: Start of recursive call 537: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:07,018 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:07,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 185 treesize of output 60 [2021-06-05 15:24:07,019 INFO L550 ElimStorePlain]: Start of recursive call 538: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:07,085 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:07,085 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 160 treesize of output 65 [2021-06-05 15:24:07,087 INFO L550 ElimStorePlain]: Start of recursive call 539: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:07,140 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:07,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 175 treesize of output 58 [2021-06-05 15:24:07,141 INFO L550 ElimStorePlain]: Start of recursive call 540: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:07,206 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:07,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 15:24:07,207 INFO L550 ElimStorePlain]: Start of recursive call 541: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:07,272 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:07,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 15:24:07,273 INFO L550 ElimStorePlain]: Start of recursive call 542: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:07,328 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:07,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 185 treesize of output 60 [2021-06-05 15:24:07,329 INFO L550 ElimStorePlain]: Start of recursive call 543: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:07,395 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:07,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 15:24:07,396 INFO L550 ElimStorePlain]: Start of recursive call 544: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:07,464 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:07,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 15:24:07,465 INFO L550 ElimStorePlain]: Start of recursive call 545: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:07,533 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:07,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 15:24:07,535 INFO L550 ElimStorePlain]: Start of recursive call 546: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:07,611 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:07,611 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 68 [2021-06-05 15:24:07,613 INFO L550 ElimStorePlain]: Start of recursive call 547: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:07,682 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:07,682 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 165 treesize of output 64 [2021-06-05 15:24:07,684 INFO L550 ElimStorePlain]: Start of recursive call 548: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:07,757 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:07,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 15:24:07,758 INFO L550 ElimStorePlain]: Start of recursive call 549: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:07,827 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:07,827 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 [2021-06-05 15:24:07,828 INFO L550 ElimStorePlain]: Start of recursive call 550: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:07,885 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:07,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 190 treesize of output 61 [2021-06-05 15:24:07,886 INFO L550 ElimStorePlain]: Start of recursive call 551: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:07,954 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:07,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 15:24:07,955 INFO L550 ElimStorePlain]: Start of recursive call 552: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:08,012 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:08,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 185 treesize of output 60 [2021-06-05 15:24:08,013 INFO L550 ElimStorePlain]: Start of recursive call 553: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:08,082 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:08,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 15:24:08,083 INFO L550 ElimStorePlain]: Start of recursive call 554: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:08,154 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:08,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 15:24:08,155 INFO L550 ElimStorePlain]: Start of recursive call 555: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:08,227 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:08,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 15:24:08,228 INFO L550 ElimStorePlain]: Start of recursive call 556: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:08,299 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:08,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 15:24:08,300 INFO L550 ElimStorePlain]: Start of recursive call 557: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:08,373 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:08,374 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 145 treesize of output 60 [2021-06-05 15:24:08,375 INFO L550 ElimStorePlain]: Start of recursive call 558: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:08,446 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:08,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 15:24:08,448 INFO L550 ElimStorePlain]: Start of recursive call 559: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:08,508 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:08,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 160 treesize of output 55 [2021-06-05 15:24:08,510 INFO L550 ElimStorePlain]: Start of recursive call 560: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:08,571 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:08,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 155 treesize of output 54 [2021-06-05 15:24:08,573 INFO L550 ElimStorePlain]: Start of recursive call 561: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:08,645 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:08,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 15:24:08,647 INFO L550 ElimStorePlain]: Start of recursive call 562: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:08,722 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:08,722 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 155 treesize of output 62 [2021-06-05 15:24:08,724 INFO L550 ElimStorePlain]: Start of recursive call 563: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:08,799 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:08,799 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 65 [2021-06-05 15:24:08,801 INFO L550 ElimStorePlain]: Start of recursive call 564: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:08,878 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:08,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 15:24:08,879 INFO L550 ElimStorePlain]: Start of recursive call 565: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:08,960 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:08,960 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 165 treesize of output 64 [2021-06-05 15:24:08,961 INFO L550 ElimStorePlain]: Start of recursive call 566: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:09,029 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:09,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 170 treesize of output 57 [2021-06-05 15:24:09,031 INFO L550 ElimStorePlain]: Start of recursive call 567: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:09,115 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:09,115 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 [2021-06-05 15:24:09,116 INFO L550 ElimStorePlain]: Start of recursive call 568: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:09,194 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:09,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 61 [2021-06-05 15:24:09,195 INFO L550 ElimStorePlain]: Start of recursive call 569: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:09,273 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:09,273 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 65 [2021-06-05 15:24:09,274 INFO L550 ElimStorePlain]: Start of recursive call 570: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:09,352 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:09,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 61 [2021-06-05 15:24:09,354 INFO L550 ElimStorePlain]: Start of recursive call 571: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:09,434 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:09,434 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 155 treesize of output 64 [2021-06-05 15:24:09,436 INFO L550 ElimStorePlain]: Start of recursive call 572: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:09,516 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:09,516 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 160 treesize of output 63 [2021-06-05 15:24:09,518 INFO L550 ElimStorePlain]: Start of recursive call 573: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:09,600 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:09,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 15:24:09,602 INFO L550 ElimStorePlain]: Start of recursive call 574: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:09,682 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:09,682 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 165 treesize of output 66 [2021-06-05 15:24:09,684 INFO L550 ElimStorePlain]: Start of recursive call 575: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:09,753 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:09,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 168 treesize of output 59 [2021-06-05 15:24:09,754 INFO L550 ElimStorePlain]: Start of recursive call 576: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:09,835 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:09,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 15:24:09,837 INFO L550 ElimStorePlain]: Start of recursive call 577: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:09,917 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:09,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 15:24:09,919 INFO L550 ElimStorePlain]: Start of recursive call 578: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:10,000 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:10,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 63 [2021-06-05 15:24:10,002 INFO L550 ElimStorePlain]: Start of recursive call 579: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:10,073 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:10,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 195 treesize of output 62 [2021-06-05 15:24:10,074 INFO L550 ElimStorePlain]: Start of recursive call 580: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:10,158 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:10,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 15:24:10,160 INFO L550 ElimStorePlain]: Start of recursive call 581: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:10,233 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:10,233 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 180 treesize of output 59 [2021-06-05 15:24:10,234 INFO L550 ElimStorePlain]: Start of recursive call 582: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:10,317 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:10,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 15:24:10,319 INFO L550 ElimStorePlain]: Start of recursive call 583: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:10,402 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:10,402 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 160 treesize of output 65 [2021-06-05 15:24:10,404 INFO L550 ElimStorePlain]: Start of recursive call 584: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:10,477 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:10,477 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 168 treesize of output 59 [2021-06-05 15:24:10,478 INFO L550 ElimStorePlain]: Start of recursive call 585: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:10,562 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:10,562 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 170 treesize of output 67 [2021-06-05 15:24:10,563 INFO L550 ElimStorePlain]: Start of recursive call 586: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:10,637 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:10,637 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 175 treesize of output 58 [2021-06-05 15:24:10,638 INFO L550 ElimStorePlain]: Start of recursive call 587: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:10,723 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:10,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 15:24:10,724 INFO L550 ElimStorePlain]: Start of recursive call 588: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:10,798 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:10,798 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 195 treesize of output 62 [2021-06-05 15:24:10,800 INFO L550 ElimStorePlain]: Start of recursive call 589: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:10,874 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:10,874 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 165 treesize of output 56 [2021-06-05 15:24:10,876 INFO L550 ElimStorePlain]: Start of recursive call 590: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:10,962 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:10,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 15:24:10,964 INFO L550 ElimStorePlain]: Start of recursive call 591: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:11,050 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:11,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 15:24:11,051 INFO L550 ElimStorePlain]: Start of recursive call 592: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:11,127 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:11,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 180 treesize of output 59 [2021-06-05 15:24:11,128 INFO L550 ElimStorePlain]: Start of recursive call 593: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:11,215 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:11,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-06-05 15:24:11,217 INFO L550 ElimStorePlain]: Start of recursive call 594: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:11,304 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:11,304 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 [2021-06-05 15:24:11,305 INFO L550 ElimStorePlain]: Start of recursive call 595: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:11,393 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:11,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-06-05 15:24:11,395 INFO L550 ElimStorePlain]: Start of recursive call 596: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:11,482 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:11,483 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 160 treesize of output 63 [2021-06-05 15:24:11,485 INFO L550 ElimStorePlain]: Start of recursive call 597: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:11,561 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:11,561 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 158 treesize of output 57 [2021-06-05 15:24:11,563 INFO L550 ElimStorePlain]: Start of recursive call 598: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:11,650 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:11,650 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 150 treesize of output 63 [2021-06-05 15:24:11,652 INFO L550 ElimStorePlain]: Start of recursive call 599: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:11,729 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:11,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 175 treesize of output 58 [2021-06-05 15:24:11,731 INFO L550 ElimStorePlain]: Start of recursive call 600: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:11,819 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:11,819 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 175 treesize of output 66 [2021-06-05 15:24:11,821 INFO L550 ElimStorePlain]: Start of recursive call 601: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:11,910 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:11,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 61 [2021-06-05 15:24:11,911 INFO L550 ElimStorePlain]: Start of recursive call 602: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:12,001 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:12,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 15:24:12,002 INFO L550 ElimStorePlain]: Start of recursive call 603: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:12,092 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:12,092 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 160 treesize of output 65 [2021-06-05 15:24:12,094 INFO L550 ElimStorePlain]: Start of recursive call 604: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:12,183 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:12,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 15:24:12,185 INFO L550 ElimStorePlain]: Start of recursive call 605: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:12,265 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:12,266 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 173 treesize of output 60 [2021-06-05 15:24:12,267 INFO L550 ElimStorePlain]: Start of recursive call 606: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:12,358 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:12,358 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 160 treesize of output 63 [2021-06-05 15:24:12,360 INFO L550 ElimStorePlain]: Start of recursive call 607: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:12,450 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:12,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-06-05 15:24:12,452 INFO L550 ElimStorePlain]: Start of recursive call 608: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:12,543 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:12,544 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 165 treesize of output 64 [2021-06-05 15:24:12,545 INFO L550 ElimStorePlain]: Start of recursive call 609: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:12,637 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:12,637 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 155 treesize of output 62 [2021-06-05 15:24:12,639 INFO L550 ElimStorePlain]: Start of recursive call 610: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:12,732 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:12,733 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 165 treesize of output 64 [2021-06-05 15:24:12,734 INFO L550 ElimStorePlain]: Start of recursive call 611: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:12,827 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:12,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 15:24:12,828 INFO L550 ElimStorePlain]: Start of recursive call 612: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:12,910 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:12,910 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 173 treesize of output 60 [2021-06-05 15:24:12,911 INFO L550 ElimStorePlain]: Start of recursive call 613: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:13,003 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:13,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 67 [2021-06-05 15:24:13,005 INFO L550 ElimStorePlain]: Start of recursive call 614: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:13,086 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:13,086 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 163 treesize of output 58 [2021-06-05 15:24:13,088 INFO L550 ElimStorePlain]: Start of recursive call 615: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:13,169 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:13,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 165 treesize of output 56 [2021-06-05 15:24:13,171 INFO L550 ElimStorePlain]: Start of recursive call 616: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:13,267 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:13,267 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 155 treesize of output 62 [2021-06-05 15:24:13,268 INFO L550 ElimStorePlain]: Start of recursive call 617: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:13,362 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:13,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 15:24:13,364 INFO L550 ElimStorePlain]: Start of recursive call 618: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:13,460 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:13,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 15:24:13,461 INFO L550 ElimStorePlain]: Start of recursive call 619: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:13,555 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:13,555 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 165 treesize of output 64 [2021-06-05 15:24:13,557 INFO L550 ElimStorePlain]: Start of recursive call 620: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:13,651 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:13,652 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 64 [2021-06-05 15:24:13,653 INFO L550 ElimStorePlain]: Start of recursive call 621: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:13,749 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:13,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 15:24:13,751 INFO L550 ElimStorePlain]: Start of recursive call 622: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:13,845 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:13,846 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 155 treesize of output 64 [2021-06-05 15:24:13,847 INFO L550 ElimStorePlain]: Start of recursive call 623: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:13,942 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:13,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 15:24:13,944 INFO L550 ElimStorePlain]: Start of recursive call 624: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:14,039 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:14,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 15:24:14,041 INFO L550 ElimStorePlain]: Start of recursive call 625: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:14,137 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:14,137 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 67 [2021-06-05 15:24:14,138 INFO L550 ElimStorePlain]: Start of recursive call 626: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:14,234 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:14,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 63 [2021-06-05 15:24:14,236 INFO L550 ElimStorePlain]: Start of recursive call 627: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:14,332 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:14,332 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 165 treesize of output 64 [2021-06-05 15:24:14,333 INFO L550 ElimStorePlain]: Start of recursive call 628: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:14,430 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:14,430 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 170 treesize of output 67 [2021-06-05 15:24:14,432 INFO L550 ElimStorePlain]: Start of recursive call 629: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:14,518 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:14,518 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 165 treesize of output 56 [2021-06-05 15:24:14,519 INFO L550 ElimStorePlain]: Start of recursive call 630: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:14,617 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:14,618 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 165 treesize of output 64 [2021-06-05 15:24:14,619 INFO L550 ElimStorePlain]: Start of recursive call 631: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:14,706 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:14,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 153 treesize of output 56 [2021-06-05 15:24:14,707 INFO L550 ElimStorePlain]: Start of recursive call 632: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:14,793 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:14,793 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 160 treesize of output 55 [2021-06-05 15:24:14,794 INFO L550 ElimStorePlain]: Start of recursive call 633: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:14,892 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:14,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 15:24:14,894 INFO L550 ElimStorePlain]: Start of recursive call 634: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:14,992 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:14,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 185 treesize of output 68 [2021-06-05 15:24:14,994 INFO L550 ElimStorePlain]: Start of recursive call 635: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:15,093 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:15,093 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 160 treesize of output 65 [2021-06-05 15:24:15,094 INFO L550 ElimStorePlain]: Start of recursive call 636: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:15,183 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:15,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 168 treesize of output 59 [2021-06-05 15:24:15,185 INFO L550 ElimStorePlain]: Start of recursive call 637: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:15,274 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:15,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 180 treesize of output 59 [2021-06-05 15:24:15,276 INFO L550 ElimStorePlain]: Start of recursive call 638: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:15,375 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:15,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 15:24:15,377 INFO L550 ElimStorePlain]: Start of recursive call 639: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:15,477 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:15,477 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 160 treesize of output 65 [2021-06-05 15:24:15,479 INFO L550 ElimStorePlain]: Start of recursive call 640: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:15,577 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:15,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 15:24:15,579 INFO L550 ElimStorePlain]: Start of recursive call 641: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:15,679 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:15,679 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 [2021-06-05 15:24:15,681 INFO L550 ElimStorePlain]: Start of recursive call 642: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:15,780 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:15,781 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 65 [2021-06-05 15:24:15,782 INFO L550 ElimStorePlain]: Start of recursive call 643: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:15,882 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:15,882 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 [2021-06-05 15:24:15,883 INFO L550 ElimStorePlain]: Start of recursive call 644: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:15,972 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:15,973 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 173 treesize of output 58 [2021-06-05 15:24:15,974 INFO L550 ElimStorePlain]: Start of recursive call 645: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:16,074 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:16,075 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 66 [2021-06-05 15:24:16,076 INFO L550 ElimStorePlain]: Start of recursive call 646: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:16,176 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:16,176 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 155 treesize of output 62 [2021-06-05 15:24:16,178 INFO L550 ElimStorePlain]: Start of recursive call 647: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:16,280 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:16,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 15:24:16,282 INFO L550 ElimStorePlain]: Start of recursive call 648: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:16,383 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:16,384 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 180 treesize of output 67 [2021-06-05 15:24:16,388 INFO L550 ElimStorePlain]: Start of recursive call 649: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:16,490 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:16,490 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 165 treesize of output 64 [2021-06-05 15:24:16,491 INFO L550 ElimStorePlain]: Start of recursive call 650: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:16,593 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:16,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-06-05 15:24:16,594 INFO L550 ElimStorePlain]: Start of recursive call 651: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:16,695 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:16,696 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 [2021-06-05 15:24:16,698 INFO L550 ElimStorePlain]: Start of recursive call 652: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:16,799 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:16,799 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 160 treesize of output 63 [2021-06-05 15:24:16,800 INFO L550 ElimStorePlain]: Start of recursive call 653: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:16,902 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:16,902 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 155 treesize of output 62 [2021-06-05 15:24:16,903 INFO L550 ElimStorePlain]: Start of recursive call 654: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:17,005 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:17,005 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 175 treesize of output 68 [2021-06-05 15:24:17,007 INFO L550 ElimStorePlain]: Start of recursive call 655: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:17,108 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:17,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 15:24:17,110 INFO L550 ElimStorePlain]: Start of recursive call 656: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:17,212 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:17,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 67 [2021-06-05 15:24:17,213 INFO L550 ElimStorePlain]: Start of recursive call 657: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:17,309 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:17,309 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 158 treesize of output 55 [2021-06-05 15:24:17,310 INFO L550 ElimStorePlain]: Start of recursive call 658: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:17,413 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:17,413 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 155 treesize of output 64 [2021-06-05 15:24:17,414 INFO L550 ElimStorePlain]: Start of recursive call 659: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:17,517 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:17,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 63 [2021-06-05 15:24:17,519 INFO L550 ElimStorePlain]: Start of recursive call 660: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:17,610 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:17,610 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 163 treesize of output 56 [2021-06-05 15:24:17,611 INFO L550 ElimStorePlain]: Start of recursive call 661: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:17,714 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:17,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 15:24:17,716 INFO L550 ElimStorePlain]: Start of recursive call 662: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:17,821 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:17,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 15:24:17,823 INFO L550 ElimStorePlain]: Start of recursive call 663: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:17,926 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:17,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 15:24:17,928 INFO L550 ElimStorePlain]: Start of recursive call 664: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:18,032 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:18,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 15:24:18,034 INFO L550 ElimStorePlain]: Start of recursive call 665: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:18,138 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:18,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 15:24:18,139 INFO L550 ElimStorePlain]: Start of recursive call 666: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:18,243 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:18,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 15:24:18,245 INFO L550 ElimStorePlain]: Start of recursive call 667: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:18,351 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:18,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 15:24:18,353 INFO L550 ElimStorePlain]: Start of recursive call 668: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:18,447 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:18,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 170 treesize of output 57 [2021-06-05 15:24:18,448 INFO L550 ElimStorePlain]: Start of recursive call 669: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:18,553 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:18,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 67 [2021-06-05 15:24:18,555 INFO L550 ElimStorePlain]: Start of recursive call 670: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:18,658 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:18,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 15:24:18,660 INFO L550 ElimStorePlain]: Start of recursive call 671: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:18,764 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:18,764 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 175 treesize of output 66 [2021-06-05 15:24:18,765 INFO L550 ElimStorePlain]: Start of recursive call 672: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:18,869 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:18,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 15:24:18,870 INFO L550 ElimStorePlain]: Start of recursive call 673: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:18,975 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:18,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 15:24:18,976 INFO L550 ElimStorePlain]: Start of recursive call 674: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:19,081 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:19,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 63 [2021-06-05 15:24:19,082 INFO L550 ElimStorePlain]: Start of recursive call 675: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:19,187 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:19,187 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 170 treesize of output 67 [2021-06-05 15:24:19,188 INFO L550 ElimStorePlain]: Start of recursive call 676: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:19,293 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:19,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 15:24:19,295 INFO L550 ElimStorePlain]: Start of recursive call 677: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:19,389 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:19,389 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 175 treesize of output 58 [2021-06-05 15:24:19,390 INFO L550 ElimStorePlain]: Start of recursive call 678: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:19,495 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:19,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 15:24:19,497 INFO L550 ElimStorePlain]: Start of recursive call 679: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:19,604 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:19,604 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 170 treesize of output 65 [2021-06-05 15:24:19,605 INFO L550 ElimStorePlain]: Start of recursive call 680: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:19,769 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:19,770 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 170 treesize of output 57 [2021-06-05 15:24:19,771 INFO L550 ElimStorePlain]: Start of recursive call 681: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:19,820 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:19,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 15:24:19,822 INFO L550 ElimStorePlain]: Start of recursive call 682: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:19,860 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:19,860 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 168 treesize of output 57 [2021-06-05 15:24:19,861 INFO L550 ElimStorePlain]: Start of recursive call 683: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:19,910 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:19,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 61 [2021-06-05 15:24:19,911 INFO L550 ElimStorePlain]: Start of recursive call 684: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:19,949 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:19,950 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 170 treesize of output 57 [2021-06-05 15:24:19,951 INFO L550 ElimStorePlain]: Start of recursive call 685: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:20,000 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:20,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 15:24:20,002 INFO L550 ElimStorePlain]: Start of recursive call 686: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:20,051 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:20,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 15:24:20,052 INFO L550 ElimStorePlain]: Start of recursive call 687: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:20,090 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:20,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 155 treesize of output 54 [2021-06-05 15:24:20,091 INFO L550 ElimStorePlain]: Start of recursive call 688: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:20,141 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:20,141 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 165 treesize of output 64 [2021-06-05 15:24:20,142 INFO L550 ElimStorePlain]: Start of recursive call 689: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:20,191 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:20,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 15:24:20,192 INFO L550 ElimStorePlain]: Start of recursive call 690: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:20,231 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:20,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 160 treesize of output 55 [2021-06-05 15:24:20,232 INFO L550 ElimStorePlain]: Start of recursive call 691: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:20,271 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:20,271 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 188 treesize of output 63 [2021-06-05 15:24:20,272 INFO L550 ElimStorePlain]: Start of recursive call 692: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:20,321 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:20,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 69 [2021-06-05 15:24:20,323 INFO L550 ElimStorePlain]: Start of recursive call 693: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:20,372 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:20,373 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 150 treesize of output 61 [2021-06-05 15:24:20,374 INFO L550 ElimStorePlain]: Start of recursive call 694: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:20,425 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:20,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 15:24:20,426 INFO L550 ElimStorePlain]: Start of recursive call 695: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:20,477 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:20,477 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 155 treesize of output 62 [2021-06-05 15:24:20,479 INFO L550 ElimStorePlain]: Start of recursive call 696: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:20,520 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:20,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 170 treesize of output 57 [2021-06-05 15:24:20,522 INFO L550 ElimStorePlain]: Start of recursive call 697: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:20,572 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:20,572 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 155 treesize of output 64 [2021-06-05 15:24:20,574 INFO L550 ElimStorePlain]: Start of recursive call 698: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:20,624 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:20,624 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 150 treesize of output 63 [2021-06-05 15:24:20,626 INFO L550 ElimStorePlain]: Start of recursive call 699: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:20,676 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:20,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-06-05 15:24:20,678 INFO L550 ElimStorePlain]: Start of recursive call 700: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:20,729 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:20,730 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 170 treesize of output 65 [2021-06-05 15:24:20,731 INFO L550 ElimStorePlain]: Start of recursive call 701: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:20,782 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:20,782 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 175 treesize of output 66 [2021-06-05 15:24:20,784 INFO L550 ElimStorePlain]: Start of recursive call 702: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:20,836 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:20,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 61 [2021-06-05 15:24:20,837 INFO L550 ElimStorePlain]: Start of recursive call 703: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:20,889 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:20,889 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 180 treesize of output 67 [2021-06-05 15:24:20,891 INFO L550 ElimStorePlain]: Start of recursive call 704: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:20,945 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:20,945 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 170 treesize of output 65 [2021-06-05 15:24:20,947 INFO L550 ElimStorePlain]: Start of recursive call 705: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:20,999 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:20,999 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 [2021-06-05 15:24:21,000 INFO L550 ElimStorePlain]: Start of recursive call 706: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:21,041 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:21,041 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 170 treesize of output 57 [2021-06-05 15:24:21,043 INFO L550 ElimStorePlain]: Start of recursive call 707: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:21,083 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:21,084 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 148 treesize of output 53 [2021-06-05 15:24:21,085 INFO L550 ElimStorePlain]: Start of recursive call 708: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:21,138 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:21,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 15:24:21,140 INFO L550 ElimStorePlain]: Start of recursive call 709: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:21,193 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:21,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 67 [2021-06-05 15:24:21,194 INFO L550 ElimStorePlain]: Start of recursive call 710: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:21,250 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:21,250 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 65 [2021-06-05 15:24:21,252 INFO L550 ElimStorePlain]: Start of recursive call 711: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:21,308 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:21,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 15:24:21,309 INFO L550 ElimStorePlain]: Start of recursive call 712: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:21,363 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:21,363 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 155 treesize of output 64 [2021-06-05 15:24:21,364 INFO L550 ElimStorePlain]: Start of recursive call 713: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:21,407 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:21,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 165 treesize of output 56 [2021-06-05 15:24:21,409 INFO L550 ElimStorePlain]: Start of recursive call 714: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:21,463 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:21,463 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 170 treesize of output 65 [2021-06-05 15:24:21,465 INFO L550 ElimStorePlain]: Start of recursive call 715: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:21,508 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:21,508 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 150 treesize of output 53 [2021-06-05 15:24:21,509 INFO L550 ElimStorePlain]: Start of recursive call 716: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:21,563 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:21,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 15:24:21,565 INFO L550 ElimStorePlain]: Start of recursive call 717: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:21,621 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:21,621 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 165 treesize of output 64 [2021-06-05 15:24:21,623 INFO L550 ElimStorePlain]: Start of recursive call 718: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:21,669 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:21,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 138 treesize of output 51 [2021-06-05 15:24:21,670 INFO L550 ElimStorePlain]: Start of recursive call 719: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:21,726 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:21,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 15:24:21,728 INFO L550 ElimStorePlain]: Start of recursive call 720: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:21,783 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:21,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-06-05 15:24:21,784 INFO L550 ElimStorePlain]: Start of recursive call 721: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:21,840 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:21,840 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 180 treesize of output 67 [2021-06-05 15:24:21,841 INFO L550 ElimStorePlain]: Start of recursive call 722: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:21,897 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:21,897 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 [2021-06-05 15:24:21,898 INFO L550 ElimStorePlain]: Start of recursive call 723: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:21,954 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:21,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 15:24:21,956 INFO L550 ElimStorePlain]: Start of recursive call 724: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:22,001 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:22,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 185 treesize of output 60 [2021-06-05 15:24:22,003 INFO L550 ElimStorePlain]: Start of recursive call 725: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:22,060 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:22,060 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 170 treesize of output 67 [2021-06-05 15:24:22,061 INFO L550 ElimStorePlain]: Start of recursive call 726: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:22,108 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:22,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 175 treesize of output 58 [2021-06-05 15:24:22,109 INFO L550 ElimStorePlain]: Start of recursive call 727: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:22,166 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:22,166 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 165 treesize of output 64 [2021-06-05 15:24:22,167 INFO L550 ElimStorePlain]: Start of recursive call 728: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:22,225 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:22,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-06-05 15:24:22,226 INFO L550 ElimStorePlain]: Start of recursive call 729: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:22,274 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:22,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 153 treesize of output 56 [2021-06-05 15:24:22,275 INFO L550 ElimStorePlain]: Start of recursive call 730: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:22,334 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:22,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 15:24:22,336 INFO L550 ElimStorePlain]: Start of recursive call 731: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:22,394 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:22,395 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 185 treesize of output 68 [2021-06-05 15:24:22,396 INFO L550 ElimStorePlain]: Start of recursive call 732: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:22,458 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:22,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-06-05 15:24:22,460 INFO L550 ElimStorePlain]: Start of recursive call 733: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:22,511 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:22,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 155 treesize of output 54 [2021-06-05 15:24:22,512 INFO L550 ElimStorePlain]: Start of recursive call 734: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:22,572 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:22,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 15:24:22,575 INFO L550 ElimStorePlain]: Start of recursive call 735: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:22,626 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:22,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 153 treesize of output 54 [2021-06-05 15:24:22,627 INFO L550 ElimStorePlain]: Start of recursive call 736: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:22,676 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:22,676 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 178 treesize of output 61 [2021-06-05 15:24:22,677 INFO L550 ElimStorePlain]: Start of recursive call 737: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:22,736 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:22,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 15:24:22,738 INFO L550 ElimStorePlain]: Start of recursive call 738: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:22,796 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:22,797 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 165 treesize of output 66 [2021-06-05 15:24:22,798 INFO L550 ElimStorePlain]: Start of recursive call 739: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:22,858 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:22,858 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 170 treesize of output 65 [2021-06-05 15:24:22,859 INFO L550 ElimStorePlain]: Start of recursive call 740: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:22,922 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:22,923 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 [2021-06-05 15:24:22,924 INFO L550 ElimStorePlain]: Start of recursive call 741: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:22,974 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:22,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 195 treesize of output 62 [2021-06-05 15:24:22,976 INFO L550 ElimStorePlain]: Start of recursive call 742: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:23,035 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:23,035 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 [2021-06-05 15:24:23,037 INFO L550 ElimStorePlain]: Start of recursive call 743: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:23,098 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:23,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 15:24:23,100 INFO L550 ElimStorePlain]: Start of recursive call 744: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:23,161 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:23,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 15:24:23,163 INFO L550 ElimStorePlain]: Start of recursive call 745: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:23,225 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:23,225 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 165 treesize of output 64 [2021-06-05 15:24:23,226 INFO L550 ElimStorePlain]: Start of recursive call 746: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:23,290 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:23,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-06-05 15:24:23,291 INFO L550 ElimStorePlain]: Start of recursive call 747: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:23,353 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:23,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 15:24:23,354 INFO L550 ElimStorePlain]: Start of recursive call 748: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:23,415 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:23,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 15:24:23,416 INFO L550 ElimStorePlain]: Start of recursive call 749: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:23,477 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:23,477 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 175 treesize of output 66 [2021-06-05 15:24:23,478 INFO L550 ElimStorePlain]: Start of recursive call 750: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:23,539 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:23,539 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 155 treesize of output 62 [2021-06-05 15:24:23,541 INFO L550 ElimStorePlain]: Start of recursive call 751: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:23,602 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:23,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 15:24:23,604 INFO L550 ElimStorePlain]: Start of recursive call 752: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:23,668 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:23,668 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 170 treesize of output 65 [2021-06-05 15:24:23,670 INFO L550 ElimStorePlain]: Start of recursive call 753: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:23,744 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:23,744 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 160 treesize of output 65 [2021-06-05 15:24:23,746 INFO L550 ElimStorePlain]: Start of recursive call 754: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:23,810 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:23,810 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 160 treesize of output 63 [2021-06-05 15:24:23,812 INFO L550 ElimStorePlain]: Start of recursive call 755: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:23,873 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:23,874 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 155 treesize of output 62 [2021-06-05 15:24:23,875 INFO L550 ElimStorePlain]: Start of recursive call 756: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:23,926 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:23,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 173 treesize of output 60 [2021-06-05 15:24:23,928 INFO L550 ElimStorePlain]: Start of recursive call 757: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:23,980 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:23,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 175 treesize of output 58 [2021-06-05 15:24:23,981 INFO L550 ElimStorePlain]: Start of recursive call 758: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:24,035 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:24,036 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 153 treesize of output 54 [2021-06-05 15:24:24,037 INFO L550 ElimStorePlain]: Start of recursive call 759: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:24,114 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:24,115 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 [2021-06-05 15:24:24,116 INFO L550 ElimStorePlain]: Start of recursive call 760: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:24,178 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:24,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 15:24:24,180 INFO L550 ElimStorePlain]: Start of recursive call 761: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:24,232 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:24,233 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 165 treesize of output 56 [2021-06-05 15:24:24,234 INFO L550 ElimStorePlain]: Start of recursive call 762: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:24,296 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:24,296 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 170 treesize of output 65 [2021-06-05 15:24:24,297 INFO L550 ElimStorePlain]: Start of recursive call 763: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:24,359 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:24,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-06-05 15:24:24,361 INFO L550 ElimStorePlain]: Start of recursive call 764: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:24,424 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:24,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 15:24:24,426 INFO L550 ElimStorePlain]: Start of recursive call 765: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:24,503 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:24,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 15:24:24,505 INFO L550 ElimStorePlain]: Start of recursive call 766: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:24,567 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:24,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 15:24:24,569 INFO L550 ElimStorePlain]: Start of recursive call 767: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:24,623 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:24,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 178 treesize of output 61 [2021-06-05 15:24:24,624 INFO L550 ElimStorePlain]: Start of recursive call 768: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:24,678 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:24,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 165 treesize of output 56 [2021-06-05 15:24:24,679 INFO L550 ElimStorePlain]: Start of recursive call 769: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:24,743 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:24,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 15:24:24,745 INFO L550 ElimStorePlain]: Start of recursive call 770: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:24,800 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:24,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 168 treesize of output 57 [2021-06-05 15:24:24,802 INFO L550 ElimStorePlain]: Start of recursive call 771: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:24,865 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:24,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 15:24:24,867 INFO L550 ElimStorePlain]: Start of recursive call 772: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:24,930 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:24,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 15:24:24,932 INFO L550 ElimStorePlain]: Start of recursive call 773: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:24,995 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:24,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 61 [2021-06-05 15:24:24,997 INFO L550 ElimStorePlain]: Start of recursive call 774: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:25,052 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:25,053 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 180 treesize of output 59 [2021-06-05 15:24:25,054 INFO L550 ElimStorePlain]: Start of recursive call 775: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:25,118 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:25,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 15:24:25,120 INFO L550 ElimStorePlain]: Start of recursive call 776: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:25,176 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:25,177 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 180 treesize of output 59 [2021-06-05 15:24:25,178 INFO L550 ElimStorePlain]: Start of recursive call 777: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:25,234 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:25,235 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 158 treesize of output 55 [2021-06-05 15:24:25,236 INFO L550 ElimStorePlain]: Start of recursive call 778: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:25,300 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:25,300 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 165 treesize of output 64 [2021-06-05 15:24:25,301 INFO L550 ElimStorePlain]: Start of recursive call 779: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:25,365 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:25,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 15:24:25,367 INFO L550 ElimStorePlain]: Start of recursive call 780: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:25,430 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:25,431 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 150 treesize of output 61 [2021-06-05 15:24:25,432 INFO L550 ElimStorePlain]: Start of recursive call 781: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:25,496 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:25,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 67 [2021-06-05 15:24:25,497 INFO L550 ElimStorePlain]: Start of recursive call 782: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:25,561 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:25,561 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 165 treesize of output 64 [2021-06-05 15:24:25,563 INFO L550 ElimStorePlain]: Start of recursive call 783: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:25,617 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:25,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 148 treesize of output 53 [2021-06-05 15:24:25,619 INFO L550 ElimStorePlain]: Start of recursive call 784: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:25,674 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:25,674 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 180 treesize of output 59 [2021-06-05 15:24:25,676 INFO L550 ElimStorePlain]: Start of recursive call 785: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:25,730 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:25,731 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 158 treesize of output 57 [2021-06-05 15:24:25,732 INFO L550 ElimStorePlain]: Start of recursive call 786: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:25,797 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:25,797 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 155 treesize of output 64 [2021-06-05 15:24:25,798 INFO L550 ElimStorePlain]: Start of recursive call 787: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:25,862 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:25,863 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 67 [2021-06-05 15:24:25,864 INFO L550 ElimStorePlain]: Start of recursive call 788: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:25,928 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:25,928 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 165 treesize of output 64 [2021-06-05 15:24:25,930 INFO L550 ElimStorePlain]: Start of recursive call 789: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:25,985 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:25,985 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 170 treesize of output 57 [2021-06-05 15:24:25,986 INFO L550 ElimStorePlain]: Start of recursive call 790: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:26,041 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:26,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 183 treesize of output 62 [2021-06-05 15:24:26,043 INFO L550 ElimStorePlain]: Start of recursive call 791: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:26,107 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:26,108 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 175 treesize of output 68 [2021-06-05 15:24:26,109 INFO L550 ElimStorePlain]: Start of recursive call 792: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:26,174 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:26,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 15:24:26,175 INFO L550 ElimStorePlain]: Start of recursive call 793: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:26,240 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:26,240 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 160 treesize of output 63 [2021-06-05 15:24:26,242 INFO L550 ElimStorePlain]: Start of recursive call 794: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:26,307 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:26,307 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 145 treesize of output 62 [2021-06-05 15:24:26,308 INFO L550 ElimStorePlain]: Start of recursive call 795: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:26,364 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:26,364 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 153 treesize of output 54 [2021-06-05 15:24:26,366 INFO L550 ElimStorePlain]: Start of recursive call 796: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:26,431 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:26,431 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 165 treesize of output 64 [2021-06-05 15:24:26,433 INFO L550 ElimStorePlain]: Start of recursive call 797: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:26,499 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:26,499 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 155 treesize of output 62 [2021-06-05 15:24:26,501 INFO L550 ElimStorePlain]: Start of recursive call 798: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:26,556 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:26,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 160 treesize of output 55 [2021-06-05 15:24:26,558 INFO L550 ElimStorePlain]: Start of recursive call 799: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:26,623 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:26,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 15:24:26,624 INFO L550 ElimStorePlain]: Start of recursive call 800: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:26,691 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:26,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 15:24:26,692 INFO L550 ElimStorePlain]: Start of recursive call 801: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:26,750 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:26,750 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 160 treesize of output 55 [2021-06-05 15:24:26,751 INFO L550 ElimStorePlain]: Start of recursive call 802: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:26,816 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:26,816 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 155 treesize of output 62 [2021-06-05 15:24:26,818 INFO L550 ElimStorePlain]: Start of recursive call 803: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:26,882 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:26,882 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 165 treesize of output 64 [2021-06-05 15:24:26,883 INFO L550 ElimStorePlain]: Start of recursive call 804: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:26,937 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:26,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 165 treesize of output 56 [2021-06-05 15:24:26,939 INFO L550 ElimStorePlain]: Start of recursive call 805: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:27,004 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:27,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 15:24:27,005 INFO L550 ElimStorePlain]: Start of recursive call 806: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:27,068 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:27,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 15:24:27,070 INFO L550 ElimStorePlain]: Start of recursive call 807: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:27,134 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:27,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 15:24:27,135 INFO L550 ElimStorePlain]: Start of recursive call 808: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:27,200 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:27,200 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 160 treesize of output 65 [2021-06-05 15:24:27,202 INFO L550 ElimStorePlain]: Start of recursive call 809: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:27,267 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:27,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 15:24:27,268 INFO L550 ElimStorePlain]: Start of recursive call 810: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:27,332 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:27,332 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 175 treesize of output 66 [2021-06-05 15:24:27,334 INFO L550 ElimStorePlain]: Start of recursive call 811: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:27,398 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:27,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 15:24:27,400 INFO L550 ElimStorePlain]: Start of recursive call 812: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:27,463 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:27,463 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 150 treesize of output 63 [2021-06-05 15:24:27,465 INFO L550 ElimStorePlain]: Start of recursive call 813: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:27,519 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:27,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 168 treesize of output 57 [2021-06-05 15:24:27,521 INFO L550 ElimStorePlain]: Start of recursive call 814: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:27,584 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:27,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-06-05 15:24:27,586 INFO L550 ElimStorePlain]: Start of recursive call 815: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:27,649 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:27,649 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 64 [2021-06-05 15:24:27,651 INFO L550 ElimStorePlain]: Start of recursive call 816: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:27,714 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:27,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 15:24:27,716 INFO L550 ElimStorePlain]: Start of recursive call 817: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:27,770 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:27,770 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 148 treesize of output 55 [2021-06-05 15:24:27,771 INFO L550 ElimStorePlain]: Start of recursive call 818: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:27,835 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:27,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 15:24:27,836 INFO L550 ElimStorePlain]: Start of recursive call 819: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:27,890 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:27,890 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 153 treesize of output 54 [2021-06-05 15:24:27,892 INFO L550 ElimStorePlain]: Start of recursive call 820: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:27,955 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:27,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 15:24:27,957 INFO L550 ElimStorePlain]: Start of recursive call 821: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:28,015 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:28,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 178 treesize of output 59 [2021-06-05 15:24:28,017 INFO L550 ElimStorePlain]: Start of recursive call 822: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:28,081 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:28,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 15:24:28,083 INFO L550 ElimStorePlain]: Start of recursive call 823: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:28,146 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:28,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 15:24:28,148 INFO L550 ElimStorePlain]: Start of recursive call 824: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:28,211 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:28,211 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 [2021-06-05 15:24:28,212 INFO L550 ElimStorePlain]: Start of recursive call 825: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:28,275 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:28,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 15:24:28,277 INFO L550 ElimStorePlain]: Start of recursive call 826: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:28,330 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:28,331 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 175 treesize of output 58 [2021-06-05 15:24:28,332 INFO L550 ElimStorePlain]: Start of recursive call 827: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:28,395 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:28,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 15:24:28,397 INFO L550 ElimStorePlain]: Start of recursive call 828: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:28,451 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:28,452 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 180 treesize of output 59 [2021-06-05 15:24:28,453 INFO L550 ElimStorePlain]: Start of recursive call 829: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:28,515 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:28,516 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 170 treesize of output 65 [2021-06-05 15:24:28,517 INFO L550 ElimStorePlain]: Start of recursive call 830: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:28,580 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:28,580 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 160 treesize of output 63 [2021-06-05 15:24:28,581 INFO L550 ElimStorePlain]: Start of recursive call 831: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:28,644 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:28,644 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 160 treesize of output 65 [2021-06-05 15:24:28,645 INFO L550 ElimStorePlain]: Start of recursive call 832: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:28,709 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:28,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 15:24:28,710 INFO L550 ElimStorePlain]: Start of recursive call 833: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:28,772 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:28,773 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 145 treesize of output 60 [2021-06-05 15:24:28,774 INFO L550 ElimStorePlain]: Start of recursive call 834: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:28,829 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:28,829 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 153 treesize of output 54 [2021-06-05 15:24:28,830 INFO L550 ElimStorePlain]: Start of recursive call 835: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:28,883 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:28,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 185 treesize of output 60 [2021-06-05 15:24:28,884 INFO L550 ElimStorePlain]: Start of recursive call 836: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:28,946 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:28,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 68 [2021-06-05 15:24:28,948 INFO L550 ElimStorePlain]: Start of recursive call 837: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:29,010 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:29,010 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 [2021-06-05 15:24:29,012 INFO L550 ElimStorePlain]: Start of recursive call 838: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:29,074 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:29,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 15:24:29,075 INFO L550 ElimStorePlain]: Start of recursive call 839: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:29,137 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:29,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 15:24:29,139 INFO L550 ElimStorePlain]: Start of recursive call 840: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:29,200 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:29,200 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 160 treesize of output 63 [2021-06-05 15:24:29,201 INFO L550 ElimStorePlain]: Start of recursive call 841: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:29,262 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:29,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-06-05 15:24:29,264 INFO L550 ElimStorePlain]: Start of recursive call 842: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:29,316 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:29,316 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 183 treesize of output 60 [2021-06-05 15:24:29,317 INFO L550 ElimStorePlain]: Start of recursive call 843: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:29,379 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:29,379 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 180 treesize of output 67 [2021-06-05 15:24:29,380 INFO L550 ElimStorePlain]: Start of recursive call 844: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:29,431 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:29,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 170 treesize of output 57 [2021-06-05 15:24:29,432 INFO L550 ElimStorePlain]: Start of recursive call 845: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:29,493 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:29,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 15:24:29,494 INFO L550 ElimStorePlain]: Start of recursive call 846: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:29,555 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:29,555 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 165 treesize of output 66 [2021-06-05 15:24:29,557 INFO L550 ElimStorePlain]: Start of recursive call 847: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:29,608 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:29,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 173 treesize of output 58 [2021-06-05 15:24:29,609 INFO L550 ElimStorePlain]: Start of recursive call 848: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:29,660 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:29,660 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 175 treesize of output 58 [2021-06-05 15:24:29,661 INFO L550 ElimStorePlain]: Start of recursive call 849: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:29,721 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:29,721 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 [2021-06-05 15:24:29,723 INFO L550 ElimStorePlain]: Start of recursive call 850: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:29,782 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:29,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 15:24:29,784 INFO L550 ElimStorePlain]: Start of recursive call 851: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:29,844 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:29,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 15:24:29,846 INFO L550 ElimStorePlain]: Start of recursive call 852: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:29,905 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:29,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 15:24:29,907 INFO L550 ElimStorePlain]: Start of recursive call 853: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:29,966 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:29,967 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 160 treesize of output 63 [2021-06-05 15:24:29,968 INFO L550 ElimStorePlain]: Start of recursive call 854: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:30,017 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:30,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 155 treesize of output 54 [2021-06-05 15:24:30,019 INFO L550 ElimStorePlain]: Start of recursive call 855: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:30,078 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:30,078 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 175 treesize of output 66 [2021-06-05 15:24:30,079 INFO L550 ElimStorePlain]: Start of recursive call 856: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:30,137 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:30,137 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 150 treesize of output 63 [2021-06-05 15:24:30,138 INFO L550 ElimStorePlain]: Start of recursive call 857: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:30,194 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:30,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 15:24:30,196 INFO L550 ElimStorePlain]: Start of recursive call 858: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:30,252 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:30,252 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 150 treesize of output 61 [2021-06-05 15:24:30,254 INFO L550 ElimStorePlain]: Start of recursive call 859: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:30,300 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:30,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 170 treesize of output 57 [2021-06-05 15:24:30,301 INFO L550 ElimStorePlain]: Start of recursive call 860: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:30,357 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:30,357 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 165 treesize of output 66 [2021-06-05 15:24:30,359 INFO L550 ElimStorePlain]: Start of recursive call 861: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:30,415 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:30,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 15:24:30,416 INFO L550 ElimStorePlain]: Start of recursive call 862: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:30,462 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:30,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 190 treesize of output 61 [2021-06-05 15:24:30,463 INFO L550 ElimStorePlain]: Start of recursive call 863: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:30,517 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:30,518 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 [2021-06-05 15:24:30,519 INFO L550 ElimStorePlain]: Start of recursive call 864: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:30,565 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:30,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 170 treesize of output 57 [2021-06-05 15:24:30,566 INFO L550 ElimStorePlain]: Start of recursive call 865: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:30,612 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:30,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 155 treesize of output 54 [2021-06-05 15:24:30,613 INFO L550 ElimStorePlain]: Start of recursive call 866: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:30,667 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:30,668 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 170 treesize of output 67 [2021-06-05 15:24:30,669 INFO L550 ElimStorePlain]: Start of recursive call 867: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:30,723 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:30,724 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 155 treesize of output 62 [2021-06-05 15:24:30,725 INFO L550 ElimStorePlain]: Start of recursive call 868: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:30,778 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:30,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 15:24:30,780 INFO L550 ElimStorePlain]: Start of recursive call 869: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:30,834 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:30,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 15:24:30,835 INFO L550 ElimStorePlain]: Start of recursive call 870: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:30,888 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:30,888 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 180 treesize of output 69 [2021-06-05 15:24:30,890 INFO L550 ElimStorePlain]: Start of recursive call 871: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:30,942 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:30,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 15:24:30,944 INFO L550 ElimStorePlain]: Start of recursive call 872: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:30,985 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:30,986 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 165 treesize of output 56 [2021-06-05 15:24:30,987 INFO L550 ElimStorePlain]: Start of recursive call 873: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:31,028 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:31,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 143 treesize of output 52 [2021-06-05 15:24:31,030 INFO L550 ElimStorePlain]: Start of recursive call 874: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:31,080 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:31,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 15:24:31,082 INFO L550 ElimStorePlain]: Start of recursive call 875: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:31,123 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:31,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 160 treesize of output 55 [2021-06-05 15:24:31,124 INFO L550 ElimStorePlain]: Start of recursive call 876: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:31,165 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:31,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 185 treesize of output 60 [2021-06-05 15:24:31,166 INFO L550 ElimStorePlain]: Start of recursive call 877: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:31,216 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:31,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 15:24:31,217 INFO L550 ElimStorePlain]: Start of recursive call 878: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:31,256 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:31,256 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 160 treesize of output 55 [2021-06-05 15:24:31,257 INFO L550 ElimStorePlain]: Start of recursive call 879: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:31,305 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:31,305 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 170 treesize of output 65 [2021-06-05 15:24:31,307 INFO L550 ElimStorePlain]: Start of recursive call 880: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:31,353 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:31,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 15:24:31,354 INFO L550 ElimStorePlain]: Start of recursive call 881: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:31,399 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:31,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 15:24:31,401 INFO L550 ElimStorePlain]: Start of recursive call 882: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:31,437 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:31,438 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 143 treesize of output 52 [2021-06-05 15:24:31,439 INFO L550 ElimStorePlain]: Start of recursive call 883: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:31,483 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:31,484 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 155 treesize of output 64 [2021-06-05 15:24:31,485 INFO L550 ElimStorePlain]: Start of recursive call 884: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:31,530 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:31,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 15:24:31,531 INFO L550 ElimStorePlain]: Start of recursive call 885: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:31,563 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:31,563 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 158 treesize of output 57 [2021-06-05 15:24:31,565 INFO L550 ElimStorePlain]: Start of recursive call 886: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:31,605 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:31,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 68 [2021-06-05 15:24:31,607 INFO L550 ElimStorePlain]: Start of recursive call 887: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:31,642 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 15:24:31,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 15:24:31,644 INFO L550 ElimStorePlain]: Start of recursive call 888: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:31,649 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:31,649 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 175 treesize of output 58 [2021-06-05 15:24:31,650 INFO L550 ElimStorePlain]: Start of recursive call 889: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:31,662 INFO L628 ElimStorePlain]: treesize reduction 51, result has 5.6 percent of original size [2021-06-05 15:24:31,662 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:24:31,662 INFO L247 ElimStorePlain]: Needed 889 recursive calls to eliminate 2 variables, input treesize:146569, output treesize:3 [2021-06-05 15:24:31,669 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 97 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:24:31,669 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [861008012] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:24:31,669 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:24:31,669 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 16] total 23 [2021-06-05 15:24:31,670 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529839615] [2021-06-05 15:24:31,670 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-05 15:24:31,670 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:24:31,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-05 15:24:31,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2021-06-05 15:24:31,670 INFO L87 Difference]: Start difference. First operand 54544 states and 139665 transitions. Second operand has 23 states, 23 states have (on average 3.0) internal successors, (69), 23 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:24:32,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:24:32,294 INFO L93 Difference]: Finished difference Result 57076 states and 146192 transitions. [2021-06-05 15:24:32,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-05 15:24:32,294 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.0) internal successors, (69), 23 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2021-06-05 15:24:32,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:24:32,371 INFO L225 Difference]: With dead ends: 57076 [2021-06-05 15:24:32,371 INFO L226 Difference]: Without dead ends: 57046 [2021-06-05 15:24:32,371 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 4218.8ms TimeCoverageRelationStatistics Valid=65, Invalid=487, Unknown=0, NotChecked=0, Total=552 [2021-06-05 15:24:32,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57046 states. [2021-06-05 15:24:33,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57046 to 55615. [2021-06-05 15:24:33,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55615 states, 55614 states have (on average 2.5645700722839573) internal successors, (142626), 55614 states have internal predecessors, (142626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:24:33,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55615 states to 55615 states and 142626 transitions. [2021-06-05 15:24:33,303 INFO L78 Accepts]: Start accepts. Automaton has 55615 states and 142626 transitions. Word has length 42 [2021-06-05 15:24:33,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:24:33,303 INFO L482 AbstractCegarLoop]: Abstraction has 55615 states and 142626 transitions. [2021-06-05 15:24:33,303 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 3.0) internal successors, (69), 23 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:24:33,303 INFO L276 IsEmpty]: Start isEmpty. Operand 55615 states and 142626 transitions. [2021-06-05 15:24:33,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-06-05 15:24:33,332 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:24:33,332 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:24:33,533 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 142 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6584 [2021-06-05 15:24:33,533 INFO L430 AbstractCegarLoop]: === Iteration 147 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:24:33,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:24:33,534 INFO L82 PathProgramCache]: Analyzing trace with hash -689351820, now seen corresponding path program 142 times [2021-06-05 15:24:33,534 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:24:33,534 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790992116] [2021-06-05 15:24:33,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:24:33,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:24:33,579 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 15:24:33,579 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:24:33,579 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790992116] [2021-06-05 15:24:33,579 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790992116] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:24:33,579 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1559362260] [2021-06-05 15:24:33,579 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 143 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 143 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:24:33,606 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 15:24:33,606 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:24:33,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 45 conjunts are in the unsatisfiable core [2021-06-05 15:24:33,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:24:33,822 INFO L354 Elim1Store]: treesize reduction 72, result has 60.2 percent of original size [2021-06-05 15:24:33,822 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 13 new quantified variables, introduced 21 case distinctions, treesize of input 177 treesize of output 163 [2021-06-05 15:24:33,825 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:33,873 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:24:33,874 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:24:33,874 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:177, output treesize:432 [2021-06-05 15:24:34,979 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-06-05 15:24:35,664 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2021-06-05 15:24:37,676 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 621 DAG size of output: 621 [2021-06-05 15:24:39,216 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 1196 [2021-06-05 15:24:40,331 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1196 [2021-06-05 15:24:41,738 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1196 [2021-06-05 15:24:58,078 WARN L205 SmtUtils]: Spent 10.84 s on a formula simplification. DAG size of input: 1196 DAG size of output: 58 [2021-06-05 15:24:59,088 INFO L446 ElimStorePlain]: Different costs {15=[v_prenex_163], 21=[v_prenex_160, v_prenex_161, v_prenex_162, f, v_prenex_164, v_prenex_159]} [2021-06-05 15:24:59,097 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 15:24:59,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 239 treesize of output 58 [2021-06-05 15:24:59,098 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:59,259 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 108 [2021-06-05 15:24:59,259 INFO L628 ElimStorePlain]: treesize reduction 921, result has 33.5 percent of original size [2021-06-05 15:24:59,320 INFO L354 Elim1Store]: treesize reduction 126, result has 25.4 percent of original size [2021-06-05 15:24:59,320 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 56 treesize of output 71 [2021-06-05 15:24:59,322 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:59,367 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:24:59,463 INFO L354 Elim1Store]: treesize reduction 84, result has 50.3 percent of original size [2021-06-05 15:24:59,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 109 treesize of output 130 [2021-06-05 15:24:59,467 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:59,503 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:24:59,533 INFO L354 Elim1Store]: treesize reduction 106, result has 12.4 percent of original size [2021-06-05 15:24:59,533 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 79 treesize of output 46 [2021-06-05 15:24:59,534 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:59,567 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:24:59,616 INFO L354 Elim1Store]: treesize reduction 139, result has 17.8 percent of original size [2021-06-05 15:24:59,616 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 50 treesize of output 58 [2021-06-05 15:24:59,617 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:59,646 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:24:59,714 INFO L354 Elim1Store]: treesize reduction 113, result has 33.1 percent of original size [2021-06-05 15:24:59,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 80 treesize of output 88 [2021-06-05 15:24:59,717 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:59,741 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:24:59,765 INFO L354 Elim1Store]: treesize reduction 111, result has 8.3 percent of original size [2021-06-05 15:24:59,765 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 83 treesize of output 41 [2021-06-05 15:24:59,766 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 15:24:59,786 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:24:59,788 INFO L550 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 7 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:24:59,789 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 14 variables, input treesize:1618, output treesize:3 [2021-06-05 15:24:59,797 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 97 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:24:59,797 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1559362260] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:24:59,797 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:24:59,797 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 16] total 23 [2021-06-05 15:24:59,797 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915506810] [2021-06-05 15:24:59,797 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-05 15:24:59,797 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:24:59,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-05 15:24:59,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2021-06-05 15:24:59,797 INFO L87 Difference]: Start difference. First operand 55615 states and 142626 transitions. Second operand has 23 states, 23 states have (on average 3.0) internal successors, (69), 23 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:25:00,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:25:00,867 INFO L93 Difference]: Finished difference Result 58151 states and 148884 transitions. [2021-06-05 15:25:00,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-05 15:25:00,868 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.0) internal successors, (69), 23 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2021-06-05 15:25:00,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:25:00,947 INFO L225 Difference]: With dead ends: 58151 [2021-06-05 15:25:00,947 INFO L226 Difference]: Without dead ends: 58110 [2021-06-05 15:25:00,947 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 17093.7ms TimeCoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2021-06-05 15:25:00,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58110 states. [2021-06-05 15:25:01,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58110 to 56750. [2021-06-05 15:25:02,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56750 states, 56749 states have (on average 2.5700364764136814) internal successors, (145847), 56749 states have internal predecessors, (145847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:25:02,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56750 states to 56750 states and 145847 transitions. [2021-06-05 15:25:02,111 INFO L78 Accepts]: Start accepts. Automaton has 56750 states and 145847 transitions. Word has length 42 [2021-06-05 15:25:02,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:25:02,111 INFO L482 AbstractCegarLoop]: Abstraction has 56750 states and 145847 transitions. [2021-06-05 15:25:02,111 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 3.0) internal successors, (69), 23 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:25:02,112 INFO L276 IsEmpty]: Start isEmpty. Operand 56750 states and 145847 transitions. [2021-06-05 15:25:02,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-06-05 15:25:02,145 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:25:02,145 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:25:02,348 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 143 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13668 [2021-06-05 15:25:02,349 INFO L430 AbstractCegarLoop]: === Iteration 148 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:25:02,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:25:02,350 INFO L82 PathProgramCache]: Analyzing trace with hash -1940096396, now seen corresponding path program 143 times [2021-06-05 15:25:02,350 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:25:02,350 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010767098] [2021-06-05 15:25:02,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:25:02,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:25:02,401 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 15:25:02,401 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:25:02,401 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010767098] [2021-06-05 15:25:02,401 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010767098] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:25:02,401 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2130129690] [2021-06-05 15:25:02,401 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 144 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 144 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:25:02,433 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-06-05 15:25:02,433 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:25:02,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 47 conjunts are in the unsatisfiable core [2021-06-05 15:25:02,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:25:02,789 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 65 [2021-06-05 15:25:02,789 INFO L354 Elim1Store]: treesize reduction 128, result has 43.1 percent of original size [2021-06-05 15:25:02,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 206 treesize of output 181 [2021-06-05 15:25:03,329 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-06-05 15:25:06,199 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:25:06,249 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:25:07,813 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:25:07,813 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:206, output treesize:433 [2021-06-05 15:25:10,954 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2021-06-05 15:25:12,890 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 621 DAG size of output: 621 [2021-06-05 15:25:14,379 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1196 [2021-06-05 15:25:15,464 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1196 [2021-06-05 15:25:16,898 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1196 [2021-06-05 15:25:27,433 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2021-06-05 15:25:29,383 WARN L205 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 621 DAG size of output: 621 [2021-06-05 15:25:30,929 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 1196 [2021-06-05 15:25:32,007 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1196 [2021-06-05 15:25:33,442 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1196 [2021-06-05 15:25:52,437 WARN L205 SmtUtils]: Spent 12.29 s on a formula simplification. DAG size of input: 1196 DAG size of output: 58 [2021-06-05 15:25:52,890 INFO L354 Elim1Store]: treesize reduction 166, result has 1.8 percent of original size [2021-06-05 15:25:52,891 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 13 new quantified variables, introduced 21 case distinctions, treesize of input 227 treesize of output 72 [2021-06-05 15:25:52,892 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:25:53,052 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 109 [2021-06-05 15:25:53,053 INFO L628 ElimStorePlain]: treesize reduction 907, result has 34.0 percent of original size [2021-06-05 15:25:53,114 INFO L354 Elim1Store]: treesize reduction 126, result has 25.4 percent of original size [2021-06-05 15:25:53,114 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 13 new quantified variables, introduced 21 case distinctions, treesize of input 58 treesize of output 74 [2021-06-05 15:25:53,116 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:25:53,160 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:25:53,231 INFO L354 Elim1Store]: treesize reduction 113, result has 33.1 percent of original size [2021-06-05 15:25:53,231 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 13 new quantified variables, introduced 21 case distinctions, treesize of input 86 treesize of output 91 [2021-06-05 15:25:53,234 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:25:53,273 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:25:53,310 INFO L354 Elim1Store]: treesize reduction 156, result has 7.7 percent of original size [2021-06-05 15:25:53,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 91 treesize of output 47 [2021-06-05 15:25:53,311 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:25:53,346 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:25:53,397 INFO L354 Elim1Store]: treesize reduction 139, result has 17.8 percent of original size [2021-06-05 15:25:53,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 52 treesize of output 61 [2021-06-05 15:25:53,399 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 15:25:53,431 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:25:53,469 INFO L354 Elim1Store]: treesize reduction 153, result has 9.5 percent of original size [2021-06-05 15:25:53,470 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 13 new quantified variables, introduced 21 case distinctions, treesize of input 71 treesize of output 46 [2021-06-05 15:25:53,471 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 15:25:53,499 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:25:53,590 INFO L354 Elim1Store]: treesize reduction 84, result has 50.3 percent of original size [2021-06-05 15:25:53,591 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 13 new quantified variables, introduced 21 case distinctions, treesize of input 101 treesize of output 133 [2021-06-05 15:25:53,594 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 15:25:53,603 INFO L628 ElimStorePlain]: treesize reduction 48, result has 5.9 percent of original size [2021-06-05 15:25:53,603 INFO L550 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 7 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:25:53,603 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 14 variables, input treesize:1590, output treesize:3 [2021-06-05 15:25:53,611 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 15:25:53,611 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2130129690] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:25:53,611 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:25:53,611 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 16] total 23 [2021-06-05 15:25:53,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654826542] [2021-06-05 15:25:53,611 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-05 15:25:53,611 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:25:53,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-05 15:25:53,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=447, Unknown=0, NotChecked=0, Total=506 [2021-06-05 15:25:53,612 INFO L87 Difference]: Start difference. First operand 56750 states and 145847 transitions. Second operand has 23 states, 23 states have (on average 2.9565217391304346) internal successors, (68), 23 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:25:54,092 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 232 [2021-06-05 15:25:54,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:25:54,327 INFO L93 Difference]: Finished difference Result 58133 states and 149157 transitions. [2021-06-05 15:25:54,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-05 15:25:54,328 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.9565217391304346) internal successors, (68), 23 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2021-06-05 15:25:54,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:25:54,406 INFO L225 Difference]: With dead ends: 58133 [2021-06-05 15:25:54,407 INFO L226 Difference]: Without dead ends: 58126 [2021-06-05 15:25:54,407 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 35 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 28835.5ms TimeCoverageRelationStatistics Valid=74, Invalid=576, Unknown=0, NotChecked=0, Total=650 [2021-06-05 15:25:54,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58126 states. [2021-06-05 15:25:55,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58126 to 57370. [2021-06-05 15:25:55,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57370 states, 57369 states have (on average 2.572748348411163) internal successors, (147596), 57369 states have internal predecessors, (147596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:25:55,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57370 states to 57370 states and 147596 transitions. [2021-06-05 15:25:55,243 INFO L78 Accepts]: Start accepts. Automaton has 57370 states and 147596 transitions. Word has length 42 [2021-06-05 15:25:55,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:25:55,243 INFO L482 AbstractCegarLoop]: Abstraction has 57370 states and 147596 transitions. [2021-06-05 15:25:55,244 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.9565217391304346) internal successors, (68), 23 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:25:55,244 INFO L276 IsEmpty]: Start isEmpty. Operand 57370 states and 147596 transitions. [2021-06-05 15:25:55,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 15:25:55,276 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:25:55,276 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:25:55,481 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 144 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14249 [2021-06-05 15:25:55,481 INFO L430 AbstractCegarLoop]: === Iteration 149 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:25:55,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:25:55,481 INFO L82 PathProgramCache]: Analyzing trace with hash -2129488650, now seen corresponding path program 144 times [2021-06-05 15:25:55,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:25:55,481 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253690361] [2021-06-05 15:25:55,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:25:55,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:25:55,642 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 49 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:25:55,642 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:25:55,642 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253690361] [2021-06-05 15:25:55,642 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253690361] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:25:55,642 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [760083851] [2021-06-05 15:25:55,642 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 145 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 145 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:25:55,672 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-06-05 15:25:55,672 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:25:55,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 15:25:55,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:25:56,008 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 49 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:25:56,008 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [760083851] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:25:56,008 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:25:56,008 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 37 [2021-06-05 15:25:56,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989454586] [2021-06-05 15:25:56,008 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-06-05 15:25:56,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:25:56,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-06-05 15:25:56,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=263, Invalid=1143, Unknown=0, NotChecked=0, Total=1406 [2021-06-05 15:25:56,009 INFO L87 Difference]: Start difference. First operand 57370 states and 147596 transitions. Second operand has 38 states, 38 states have (on average 2.1578947368421053) internal successors, (82), 37 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:25:58,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:25:58,756 INFO L93 Difference]: Finished difference Result 61578 states and 156735 transitions. [2021-06-05 15:25:58,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2021-06-05 15:25:58,756 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 38 states have (on average 2.1578947368421053) internal successors, (82), 37 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-06-05 15:25:58,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:25:58,838 INFO L225 Difference]: With dead ends: 61578 [2021-06-05 15:25:58,838 INFO L226 Difference]: Without dead ends: 61578 [2021-06-05 15:25:58,839 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5718 ImplicationChecksByTransitivity, 2264.3ms TimeCoverageRelationStatistics Valid=4657, Invalid=13165, Unknown=0, NotChecked=0, Total=17822 [2021-06-05 15:25:58,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61578 states. [2021-06-05 15:25:59,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61578 to 54115. [2021-06-05 15:25:59,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54115 states, 54114 states have (on average 2.5670066895812544) internal successors, (138911), 54114 states have internal predecessors, (138911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:25:59,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54115 states to 54115 states and 138911 transitions. [2021-06-05 15:25:59,689 INFO L78 Accepts]: Start accepts. Automaton has 54115 states and 138911 transitions. Word has length 44 [2021-06-05 15:25:59,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:25:59,689 INFO L482 AbstractCegarLoop]: Abstraction has 54115 states and 138911 transitions. [2021-06-05 15:25:59,689 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 2.1578947368421053) internal successors, (82), 37 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:25:59,689 INFO L276 IsEmpty]: Start isEmpty. Operand 54115 states and 138911 transitions. [2021-06-05 15:25:59,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 15:25:59,721 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:25:59,721 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:25:59,921 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 145 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17702 [2021-06-05 15:25:59,921 INFO L430 AbstractCegarLoop]: === Iteration 150 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:25:59,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:25:59,921 INFO L82 PathProgramCache]: Analyzing trace with hash 768782642, now seen corresponding path program 145 times [2021-06-05 15:25:59,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:25:59,922 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935090692] [2021-06-05 15:25:59,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:25:59,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:26:00,064 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 64 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:26:00,064 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:26:00,064 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935090692] [2021-06-05 15:26:00,064 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935090692] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:26:00,064 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2112301595] [2021-06-05 15:26:00,064 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 146 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 146 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:26:00,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:26:00,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 15:26:00,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:26:00,442 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 64 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:26:00,442 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2112301595] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:26:00,442 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:26:00,442 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 36 [2021-06-05 15:26:00,442 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607085794] [2021-06-05 15:26:00,442 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-05 15:26:00,442 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:26:00,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-05 15:26:00,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=225, Invalid=1107, Unknown=0, NotChecked=0, Total=1332 [2021-06-05 15:26:00,443 INFO L87 Difference]: Start difference. First operand 54115 states and 138911 transitions. Second operand has 37 states, 37 states have (on average 2.1621621621621623) internal successors, (80), 36 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:26:04,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:26:04,855 INFO L93 Difference]: Finished difference Result 71421 states and 180739 transitions. [2021-06-05 15:26:04,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2021-06-05 15:26:04,855 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 2.1621621621621623) internal successors, (80), 36 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-06-05 15:26:04,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:26:04,953 INFO L225 Difference]: With dead ends: 71421 [2021-06-05 15:26:04,954 INFO L226 Difference]: Without dead ends: 71182 [2021-06-05 15:26:04,956 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 186 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12672 ImplicationChecksByTransitivity, 3952.3ms TimeCoverageRelationStatistics Valid=7124, Invalid=28032, Unknown=0, NotChecked=0, Total=35156 [2021-06-05 15:26:05,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71182 states. [2021-06-05 15:26:05,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71182 to 55547. [2021-06-05 15:26:05,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55547 states, 55546 states have (on average 2.5671335469700787) internal successors, (142594), 55546 states have internal predecessors, (142594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:26:06,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55547 states to 55547 states and 142594 transitions. [2021-06-05 15:26:06,336 INFO L78 Accepts]: Start accepts. Automaton has 55547 states and 142594 transitions. Word has length 44 [2021-06-05 15:26:06,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:26:06,336 INFO L482 AbstractCegarLoop]: Abstraction has 55547 states and 142594 transitions. [2021-06-05 15:26:06,336 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.1621621621621623) internal successors, (80), 36 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:26:06,336 INFO L276 IsEmpty]: Start isEmpty. Operand 55547 states and 142594 transitions. [2021-06-05 15:26:06,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 15:26:06,365 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:26:06,365 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:26:06,565 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17703,146 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:26:06,565 INFO L430 AbstractCegarLoop]: === Iteration 151 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:26:06,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:26:06,565 INFO L82 PathProgramCache]: Analyzing trace with hash -1205657702, now seen corresponding path program 146 times [2021-06-05 15:26:06,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:26:06,565 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691083256] [2021-06-05 15:26:06,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:26:06,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:26:06,651 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 64 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:26:06,651 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:26:06,651 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691083256] [2021-06-05 15:26:06,651 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691083256] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:26:06,651 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [343605950] [2021-06-05 15:26:06,651 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 147 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 147 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:26:06,679 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 15:26:06,680 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:26:06,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 15:26:06,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:26:06,989 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 64 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:26:06,990 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [343605950] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:26:06,990 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:26:06,990 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 19] total 29 [2021-06-05 15:26:06,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058165548] [2021-06-05 15:26:06,990 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-05 15:26:06,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:26:06,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-05 15:26:06,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=722, Unknown=0, NotChecked=0, Total=870 [2021-06-05 15:26:06,990 INFO L87 Difference]: Start difference. First operand 55547 states and 142594 transitions. Second operand has 30 states, 30 states have (on average 2.6) internal successors, (78), 29 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:26:10,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:26:10,677 INFO L93 Difference]: Finished difference Result 94822 states and 241988 transitions. [2021-06-05 15:26:10,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2021-06-05 15:26:10,677 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 2.6) internal successors, (78), 29 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-06-05 15:26:10,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:26:10,812 INFO L225 Difference]: With dead ends: 94822 [2021-06-05 15:26:10,812 INFO L226 Difference]: Without dead ends: 94798 [2021-06-05 15:26:10,813 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 165 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11051 ImplicationChecksByTransitivity, 2917.7ms TimeCoverageRelationStatistics Valid=7112, Invalid=20610, Unknown=0, NotChecked=0, Total=27722 [2021-06-05 15:26:10,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94798 states. [2021-06-05 15:26:12,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94798 to 72019. [2021-06-05 15:26:12,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72019 states, 72018 states have (on average 2.5672054208670056) internal successors, (184885), 72018 states have internal predecessors, (184885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:26:12,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72019 states to 72019 states and 184885 transitions. [2021-06-05 15:26:12,442 INFO L78 Accepts]: Start accepts. Automaton has 72019 states and 184885 transitions. Word has length 44 [2021-06-05 15:26:12,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:26:12,442 INFO L482 AbstractCegarLoop]: Abstraction has 72019 states and 184885 transitions. [2021-06-05 15:26:12,442 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 2.6) internal successors, (78), 29 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:26:12,442 INFO L276 IsEmpty]: Start isEmpty. Operand 72019 states and 184885 transitions. [2021-06-05 15:26:12,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 15:26:12,481 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:26:12,481 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:26:12,697 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17704,147 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:26:12,697 INFO L430 AbstractCegarLoop]: === Iteration 152 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:26:12,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:26:12,699 INFO L82 PathProgramCache]: Analyzing trace with hash 1705411512, now seen corresponding path program 147 times [2021-06-05 15:26:12,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:26:12,699 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518522854] [2021-06-05 15:26:12,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:26:12,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:26:12,804 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 57 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:26:12,804 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:26:12,804 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518522854] [2021-06-05 15:26:12,804 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518522854] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:26:12,804 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1967845739] [2021-06-05 15:26:12,804 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 148 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 148 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:26:12,979 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-06-05 15:26:12,979 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:26:12,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 15:26:12,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:26:13,295 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 57 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:26:13,295 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1967845739] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:26:13,295 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:26:13,295 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 19] total 29 [2021-06-05 15:26:13,295 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031734152] [2021-06-05 15:26:13,295 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-05 15:26:13,295 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:26:13,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-05 15:26:13,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=679, Unknown=0, NotChecked=0, Total=870 [2021-06-05 15:26:13,296 INFO L87 Difference]: Start difference. First operand 72019 states and 184885 transitions. Second operand has 30 states, 30 states have (on average 2.6) internal successors, (78), 29 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:26:15,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:26:15,791 INFO L93 Difference]: Finished difference Result 73486 states and 187932 transitions. [2021-06-05 15:26:15,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-06-05 15:26:15,792 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 2.6) internal successors, (78), 29 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-06-05 15:26:15,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:26:15,881 INFO L225 Difference]: With dead ends: 73486 [2021-06-05 15:26:15,881 INFO L226 Difference]: Without dead ends: 73482 [2021-06-05 15:26:15,882 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5767 ImplicationChecksByTransitivity, 2176.9ms TimeCoverageRelationStatistics Valid=3791, Invalid=12211, Unknown=0, NotChecked=0, Total=16002 [2021-06-05 15:26:15,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73482 states. [2021-06-05 15:26:16,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73482 to 72019. [2021-06-05 15:26:16,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72019 states, 72018 states have (on average 2.5667610875059013) internal successors, (184853), 72018 states have internal predecessors, (184853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:26:16,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72019 states to 72019 states and 184853 transitions. [2021-06-05 15:26:16,972 INFO L78 Accepts]: Start accepts. Automaton has 72019 states and 184853 transitions. Word has length 44 [2021-06-05 15:26:16,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:26:16,972 INFO L482 AbstractCegarLoop]: Abstraction has 72019 states and 184853 transitions. [2021-06-05 15:26:16,972 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 2.6) internal successors, (78), 29 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:26:16,973 INFO L276 IsEmpty]: Start isEmpty. Operand 72019 states and 184853 transitions. [2021-06-05 15:26:17,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 15:26:17,010 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:26:17,010 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:26:17,211 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17705,148 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:26:17,211 INFO L430 AbstractCegarLoop]: === Iteration 153 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:26:17,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:26:17,211 INFO L82 PathProgramCache]: Analyzing trace with hash 823415346, now seen corresponding path program 148 times [2021-06-05 15:26:17,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:26:17,211 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215937395] [2021-06-05 15:26:17,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:26:17,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:26:17,295 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 69 proven. 43 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:26:17,295 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:26:17,295 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215937395] [2021-06-05 15:26:17,295 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215937395] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:26:17,295 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1525984448] [2021-06-05 15:26:17,296 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 149 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 149 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:26:17,324 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 15:26:17,325 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:26:17,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 15:26:17,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:26:17,657 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 57 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:26:17,657 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1525984448] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:26:17,657 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:26:17,657 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 19] total 29 [2021-06-05 15:26:17,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781775482] [2021-06-05 15:26:17,657 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-05 15:26:17,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:26:17,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-05 15:26:17,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=724, Unknown=0, NotChecked=0, Total=870 [2021-06-05 15:26:17,658 INFO L87 Difference]: Start difference. First operand 72019 states and 184853 transitions. Second operand has 30 states, 30 states have (on average 2.6666666666666665) internal successors, (80), 29 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:26:17,899 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 10 [2021-06-05 15:26:19,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:26:19,923 INFO L93 Difference]: Finished difference Result 89850 states and 230059 transitions. [2021-06-05 15:26:19,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-06-05 15:26:19,924 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 2.6666666666666665) internal successors, (80), 29 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-06-05 15:26:19,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:26:20,044 INFO L225 Difference]: With dead ends: 89850 [2021-06-05 15:26:20,044 INFO L226 Difference]: Without dead ends: 89823 [2021-06-05 15:26:20,045 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3652 ImplicationChecksByTransitivity, 1798.1ms TimeCoverageRelationStatistics Valid=2745, Invalid=8385, Unknown=0, NotChecked=0, Total=11130 [2021-06-05 15:26:20,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89823 states. [2021-06-05 15:26:21,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89823 to 71875. [2021-06-05 15:26:21,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71875 states, 71874 states have (on average 2.574004507888805) internal successors, (185004), 71874 states have internal predecessors, (185004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:26:21,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71875 states to 71875 states and 185004 transitions. [2021-06-05 15:26:21,295 INFO L78 Accepts]: Start accepts. Automaton has 71875 states and 185004 transitions. Word has length 44 [2021-06-05 15:26:21,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:26:21,295 INFO L482 AbstractCegarLoop]: Abstraction has 71875 states and 185004 transitions. [2021-06-05 15:26:21,295 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 2.6666666666666665) internal successors, (80), 29 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:26:21,295 INFO L276 IsEmpty]: Start isEmpty. Operand 71875 states and 185004 transitions. [2021-06-05 15:26:21,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 15:26:21,331 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:26:21,331 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:26:21,531 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17706,149 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:26:21,532 INFO L430 AbstractCegarLoop]: === Iteration 154 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:26:21,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:26:21,532 INFO L82 PathProgramCache]: Analyzing trace with hash 1963210434, now seen corresponding path program 149 times [2021-06-05 15:26:21,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:26:21,532 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627227127] [2021-06-05 15:26:21,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:26:21,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:26:21,625 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 51 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:26:21,625 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:26:21,625 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627227127] [2021-06-05 15:26:21,625 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627227127] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:26:21,625 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [78724118] [2021-06-05 15:26:21,625 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 150 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 150 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:26:21,659 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2021-06-05 15:26:21,659 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:26:21,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 15:26:21,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:26:22,146 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2021-06-05 15:26:22,188 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 51 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:26:22,188 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [78724118] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:26:22,188 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:26:22,188 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 19] total 30 [2021-06-05 15:26:22,188 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519550265] [2021-06-05 15:26:22,188 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-05 15:26:22,188 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:26:22,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-05 15:26:22,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=744, Unknown=0, NotChecked=0, Total=930 [2021-06-05 15:26:22,189 INFO L87 Difference]: Start difference. First operand 71875 states and 185004 transitions. Second operand has 31 states, 31 states have (on average 2.5161290322580645) internal successors, (78), 30 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:26:24,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:26:24,874 INFO L93 Difference]: Finished difference Result 76106 states and 194599 transitions. [2021-06-05 15:26:24,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2021-06-05 15:26:24,874 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 2.5161290322580645) internal successors, (78), 30 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-06-05 15:26:24,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:26:24,973 INFO L225 Difference]: With dead ends: 76106 [2021-06-05 15:26:24,974 INFO L226 Difference]: Without dead ends: 76084 [2021-06-05 15:26:24,974 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5971 ImplicationChecksByTransitivity, 2284.4ms TimeCoverageRelationStatistics Valid=3872, Invalid=12640, Unknown=0, NotChecked=0, Total=16512 [2021-06-05 15:26:25,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76084 states. [2021-06-05 15:26:25,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76084 to 73137. [2021-06-05 15:26:26,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73137 states, 73136 states have (on average 2.575434806388099) internal successors, (188357), 73136 states have internal predecessors, (188357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:26:26,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73137 states to 73137 states and 188357 transitions. [2021-06-05 15:26:26,207 INFO L78 Accepts]: Start accepts. Automaton has 73137 states and 188357 transitions. Word has length 44 [2021-06-05 15:26:26,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:26:26,207 INFO L482 AbstractCegarLoop]: Abstraction has 73137 states and 188357 transitions. [2021-06-05 15:26:26,207 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 2.5161290322580645) internal successors, (78), 30 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:26:26,207 INFO L276 IsEmpty]: Start isEmpty. Operand 73137 states and 188357 transitions. [2021-06-05 15:26:26,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 15:26:26,244 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:26:26,244 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:26:26,444 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 150 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17707 [2021-06-05 15:26:26,445 INFO L430 AbstractCegarLoop]: === Iteration 155 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:26:26,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:26:26,445 INFO L82 PathProgramCache]: Analyzing trace with hash -637321666, now seen corresponding path program 150 times [2021-06-05 15:26:26,445 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:26:26,445 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625942467] [2021-06-05 15:26:26,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:26:26,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:26:26,548 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 42 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:26:26,549 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:26:26,549 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625942467] [2021-06-05 15:26:26,549 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625942467] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:26:26,549 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2035874336] [2021-06-05 15:26:26,549 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 151 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 151 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:26:26,583 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2021-06-05 15:26:26,583 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:26:26,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 15:26:26,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:26:26,932 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 42 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:26:26,932 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2035874336] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:26:26,932 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:26:26,932 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 19] total 31 [2021-06-05 15:26:26,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014905398] [2021-06-05 15:26:26,932 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-05 15:26:26,932 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:26:26,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-05 15:26:26,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=807, Unknown=0, NotChecked=0, Total=992 [2021-06-05 15:26:26,933 INFO L87 Difference]: Start difference. First operand 73137 states and 188357 transitions. Second operand has 32 states, 32 states have (on average 2.4375) internal successors, (78), 31 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:26:28,816 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 13 [2021-06-05 15:26:29,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:26:29,717 INFO L93 Difference]: Finished difference Result 78532 states and 200306 transitions. [2021-06-05 15:26:29,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-06-05 15:26:29,717 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 2.4375) internal successors, (78), 31 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-06-05 15:26:29,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:26:29,830 INFO L225 Difference]: With dead ends: 78532 [2021-06-05 15:26:29,830 INFO L226 Difference]: Without dead ends: 78486 [2021-06-05 15:26:29,831 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6281 ImplicationChecksByTransitivity, 2403.5ms TimeCoverageRelationStatistics Valid=3964, Invalid=13066, Unknown=0, NotChecked=0, Total=17030 [2021-06-05 15:26:29,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78486 states. [2021-06-05 15:26:30,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78486 to 73094. [2021-06-05 15:26:31,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73094 states, 73093 states have (on average 2.579768240460783) internal successors, (188563), 73093 states have internal predecessors, (188563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:26:31,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73094 states to 73094 states and 188563 transitions. [2021-06-05 15:26:31,167 INFO L78 Accepts]: Start accepts. Automaton has 73094 states and 188563 transitions. Word has length 44 [2021-06-05 15:26:31,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:26:31,167 INFO L482 AbstractCegarLoop]: Abstraction has 73094 states and 188563 transitions. [2021-06-05 15:26:31,167 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 2.4375) internal successors, (78), 31 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:26:31,167 INFO L276 IsEmpty]: Start isEmpty. Operand 73094 states and 188563 transitions. [2021-06-05 15:26:31,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 15:26:31,202 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:26:31,202 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:26:31,402 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17708,151 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:26:31,402 INFO L430 AbstractCegarLoop]: === Iteration 156 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:26:31,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:26:31,402 INFO L82 PathProgramCache]: Analyzing trace with hash -77703494, now seen corresponding path program 151 times [2021-06-05 15:26:31,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:26:31,403 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129171938] [2021-06-05 15:26:31,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:26:31,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:26:31,498 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 37 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:26:31,499 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:26:31,499 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129171938] [2021-06-05 15:26:31,499 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129171938] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:26:31,499 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [540920903] [2021-06-05 15:26:31,499 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 152 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 152 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:26:31,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:26:31,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 15:26:31,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:26:31,839 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 37 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:26:31,839 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [540920903] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:26:31,839 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:26:31,839 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 19] total 32 [2021-06-05 15:26:31,839 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670880879] [2021-06-05 15:26:31,839 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-06-05 15:26:31,839 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:26:31,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-06-05 15:26:31,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=868, Unknown=0, NotChecked=0, Total=1056 [2021-06-05 15:26:31,840 INFO L87 Difference]: Start difference. First operand 73094 states and 188563 transitions. Second operand has 33 states, 33 states have (on average 2.3636363636363638) internal successors, (78), 32 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:26:34,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:26:34,568 INFO L93 Difference]: Finished difference Result 79388 states and 202095 transitions. [2021-06-05 15:26:34,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-06-05 15:26:34,568 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 2.3636363636363638) internal successors, (78), 32 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-06-05 15:26:34,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:26:34,679 INFO L225 Difference]: With dead ends: 79388 [2021-06-05 15:26:34,679 INFO L226 Difference]: Without dead ends: 79324 [2021-06-05 15:26:34,681 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6570 ImplicationChecksByTransitivity, 2142.8ms TimeCoverageRelationStatistics Valid=4066, Invalid=13490, Unknown=0, NotChecked=0, Total=17556 [2021-06-05 15:26:34,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79324 states. [2021-06-05 15:26:35,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79324 to 70876. [2021-06-05 15:26:35,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70876 states, 70875 states have (on average 2.586031746031746) internal successors, (183285), 70875 states have internal predecessors, (183285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:26:35,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70876 states to 70876 states and 183285 transitions. [2021-06-05 15:26:35,940 INFO L78 Accepts]: Start accepts. Automaton has 70876 states and 183285 transitions. Word has length 44 [2021-06-05 15:26:35,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:26:35,940 INFO L482 AbstractCegarLoop]: Abstraction has 70876 states and 183285 transitions. [2021-06-05 15:26:35,940 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 2.3636363636363638) internal successors, (78), 32 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:26:35,941 INFO L276 IsEmpty]: Start isEmpty. Operand 70876 states and 183285 transitions. [2021-06-05 15:26:35,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 15:26:35,972 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:26:35,972 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:26:36,172 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 152 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17709 [2021-06-05 15:26:36,172 INFO L430 AbstractCegarLoop]: === Iteration 157 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:26:36,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:26:36,172 INFO L82 PathProgramCache]: Analyzing trace with hash 844447798, now seen corresponding path program 152 times [2021-06-05 15:26:36,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:26:36,173 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180111943] [2021-06-05 15:26:36,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:26:36,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:26:36,278 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 36 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:26:36,279 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:26:36,279 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180111943] [2021-06-05 15:26:36,279 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180111943] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:26:36,279 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [550579258] [2021-06-05 15:26:36,279 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 153 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 153 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:26:36,306 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 15:26:36,306 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:26:36,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 15:26:36,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:26:36,623 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 36 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:26:36,623 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [550579258] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:26:36,623 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:26:36,623 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 19] total 33 [2021-06-05 15:26:36,623 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364725125] [2021-06-05 15:26:36,623 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-06-05 15:26:36,623 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:26:36,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-06-05 15:26:36,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=927, Unknown=0, NotChecked=0, Total=1122 [2021-06-05 15:26:36,624 INFO L87 Difference]: Start difference. First operand 70876 states and 183285 transitions. Second operand has 34 states, 34 states have (on average 2.2941176470588234) internal successors, (78), 33 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:26:39,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:26:39,279 INFO L93 Difference]: Finished difference Result 78292 states and 198968 transitions. [2021-06-05 15:26:39,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-06-05 15:26:39,280 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 2.2941176470588234) internal successors, (78), 33 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-06-05 15:26:39,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:26:39,394 INFO L225 Difference]: With dead ends: 78292 [2021-06-05 15:26:39,394 INFO L226 Difference]: Without dead ends: 78222 [2021-06-05 15:26:39,395 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6842 ImplicationChecksByTransitivity, 2243.8ms TimeCoverageRelationStatistics Valid=4177, Invalid=13913, Unknown=0, NotChecked=0, Total=18090 [2021-06-05 15:26:39,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78222 states. [2021-06-05 15:26:40,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78222 to 66237. [2021-06-05 15:26:40,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66237 states, 66236 states have (on average 2.5923817863397547) internal successors, (171709), 66236 states have internal predecessors, (171709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:26:40,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66237 states to 66237 states and 171709 transitions. [2021-06-05 15:26:40,662 INFO L78 Accepts]: Start accepts. Automaton has 66237 states and 171709 transitions. Word has length 44 [2021-06-05 15:26:40,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:26:40,662 INFO L482 AbstractCegarLoop]: Abstraction has 66237 states and 171709 transitions. [2021-06-05 15:26:40,662 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 2.2941176470588234) internal successors, (78), 33 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:26:40,662 INFO L276 IsEmpty]: Start isEmpty. Operand 66237 states and 171709 transitions. [2021-06-05 15:26:40,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 15:26:40,693 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:26:40,693 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:26:40,894 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 153 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17710 [2021-06-05 15:26:40,894 INFO L430 AbstractCegarLoop]: === Iteration 158 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:26:40,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:26:40,894 INFO L82 PathProgramCache]: Analyzing trace with hash -2026390862, now seen corresponding path program 153 times [2021-06-05 15:26:40,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:26:40,894 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918628823] [2021-06-05 15:26:40,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:26:40,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:26:41,009 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 39 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:26:41,009 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:26:41,009 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918628823] [2021-06-05 15:26:41,009 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918628823] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:26:41,009 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1479550891] [2021-06-05 15:26:41,009 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 154 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 154 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:26:41,040 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2021-06-05 15:26:41,041 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:26:41,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 15:26:41,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:26:41,385 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 39 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:26:41,385 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1479550891] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:26:41,385 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:26:41,385 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 19] total 34 [2021-06-05 15:26:41,385 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84755876] [2021-06-05 15:26:41,386 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-06-05 15:26:41,386 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:26:41,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-06-05 15:26:41,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=206, Invalid=984, Unknown=0, NotChecked=0, Total=1190 [2021-06-05 15:26:41,386 INFO L87 Difference]: Start difference. First operand 66237 states and 171709 transitions. Second operand has 35 states, 35 states have (on average 2.2285714285714286) internal successors, (78), 34 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:26:43,568 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 14 [2021-06-05 15:26:44,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:26:44,160 INFO L93 Difference]: Finished difference Result 75317 states and 190900 transitions. [2021-06-05 15:26:44,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-06-05 15:26:44,161 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 2.2285714285714286) internal successors, (78), 34 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-06-05 15:26:44,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:26:44,262 INFO L225 Difference]: With dead ends: 75317 [2021-06-05 15:26:44,262 INFO L226 Difference]: Without dead ends: 75249 [2021-06-05 15:26:44,263 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7072 ImplicationChecksByTransitivity, 2233.0ms TimeCoverageRelationStatistics Valid=4296, Invalid=14336, Unknown=0, NotChecked=0, Total=18632 [2021-06-05 15:26:44,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75249 states. [2021-06-05 15:26:45,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75249 to 60412. [2021-06-05 15:26:45,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60412 states, 60411 states have (on average 2.5961000480045024) internal successors, (156833), 60411 states have internal predecessors, (156833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:26:45,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60412 states to 60412 states and 156833 transitions. [2021-06-05 15:26:45,455 INFO L78 Accepts]: Start accepts. Automaton has 60412 states and 156833 transitions. Word has length 44 [2021-06-05 15:26:45,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:26:45,455 INFO L482 AbstractCegarLoop]: Abstraction has 60412 states and 156833 transitions. [2021-06-05 15:26:45,455 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 2.2285714285714286) internal successors, (78), 34 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:26:45,456 INFO L276 IsEmpty]: Start isEmpty. Operand 60412 states and 156833 transitions. [2021-06-05 15:26:45,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 15:26:45,485 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:26:45,485 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:26:45,685 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17711,154 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:26:45,685 INFO L430 AbstractCegarLoop]: === Iteration 159 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:26:45,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:26:45,686 INFO L82 PathProgramCache]: Analyzing trace with hash 761628206, now seen corresponding path program 154 times [2021-06-05 15:26:45,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:26:45,686 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103501831] [2021-06-05 15:26:45,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:26:45,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:26:45,813 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 46 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:26:45,813 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:26:45,814 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103501831] [2021-06-05 15:26:45,814 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103501831] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:26:45,814 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2008130185] [2021-06-05 15:26:45,814 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 155 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 155 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:26:45,840 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 15:26:45,840 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:26:45,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 15:26:45,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:26:46,179 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 46 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:26:46,180 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2008130185] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:26:46,180 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:26:46,180 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19] total 35 [2021-06-05 15:26:46,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926425287] [2021-06-05 15:26:46,180 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-06-05 15:26:46,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:26:46,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-06-05 15:26:46,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=221, Invalid=1039, Unknown=0, NotChecked=0, Total=1260 [2021-06-05 15:26:46,180 INFO L87 Difference]: Start difference. First operand 60412 states and 156833 transitions. Second operand has 36 states, 36 states have (on average 2.1666666666666665) internal successors, (78), 35 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:26:48,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:26:48,904 INFO L93 Difference]: Finished difference Result 71294 states and 180046 transitions. [2021-06-05 15:26:48,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2021-06-05 15:26:48,904 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 2.1666666666666665) internal successors, (78), 35 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-06-05 15:26:48,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:26:49,000 INFO L225 Difference]: With dead ends: 71294 [2021-06-05 15:26:49,001 INFO L226 Difference]: Without dead ends: 71236 [2021-06-05 15:26:49,001 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7215 ImplicationChecksByTransitivity, 2213.4ms TimeCoverageRelationStatistics Valid=4422, Invalid=14760, Unknown=0, NotChecked=0, Total=19182 [2021-06-05 15:26:49,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71236 states. [2021-06-05 15:26:49,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71236 to 55869. [2021-06-05 15:26:49,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55869 states, 55868 states have (on average 2.594168396935634) internal successors, (144931), 55868 states have internal predecessors, (144931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:26:49,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55869 states to 55869 states and 144931 transitions. [2021-06-05 15:26:49,879 INFO L78 Accepts]: Start accepts. Automaton has 55869 states and 144931 transitions. Word has length 44 [2021-06-05 15:26:49,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:26:49,879 INFO L482 AbstractCegarLoop]: Abstraction has 55869 states and 144931 transitions. [2021-06-05 15:26:49,879 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 2.1666666666666665) internal successors, (78), 35 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:26:49,879 INFO L276 IsEmpty]: Start isEmpty. Operand 55869 states and 144931 transitions. [2021-06-05 15:26:49,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 15:26:49,906 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:26:49,906 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:26:50,107 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17712,155 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:26:50,107 INFO L430 AbstractCegarLoop]: === Iteration 160 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:26:50,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:26:50,107 INFO L82 PathProgramCache]: Analyzing trace with hash -1467247882, now seen corresponding path program 155 times [2021-06-05 15:26:50,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:26:50,107 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500749958] [2021-06-05 15:26:50,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:26:50,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:26:50,411 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 48 proven. 64 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:26:50,411 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:26:50,411 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500749958] [2021-06-05 15:26:50,411 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500749958] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:26:50,411 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1731052979] [2021-06-05 15:26:50,411 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 156 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 156 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:26:50,440 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-06-05 15:26:50,440 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:26:50,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 15:26:50,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:26:50,766 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 42 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:26:50,766 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1731052979] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:26:50,766 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:26:50,766 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 36 [2021-06-05 15:26:50,767 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697686049] [2021-06-05 15:26:50,767 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-05 15:26:50,767 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:26:50,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-05 15:26:50,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=232, Invalid=1100, Unknown=0, NotChecked=0, Total=1332 [2021-06-05 15:26:50,767 INFO L87 Difference]: Start difference. First operand 55869 states and 144931 transitions. Second operand has 37 states, 37 states have (on average 2.189189189189189) internal successors, (81), 36 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:26:53,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:26:53,517 INFO L93 Difference]: Finished difference Result 63141 states and 160316 transitions. [2021-06-05 15:26:53,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-06-05 15:26:53,518 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 2.189189189189189) internal successors, (81), 36 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-06-05 15:26:53,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:26:53,602 INFO L225 Difference]: With dead ends: 63141 [2021-06-05 15:26:53,602 INFO L226 Difference]: Without dead ends: 63141 [2021-06-05 15:26:53,603 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5668 ImplicationChecksByTransitivity, 2501.1ms TimeCoverageRelationStatistics Valid=4294, Invalid=13528, Unknown=0, NotChecked=0, Total=17822 [2021-06-05 15:26:53,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63141 states. [2021-06-05 15:26:54,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63141 to 51453. [2021-06-05 15:26:54,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51453 states, 51452 states have (on average 2.5921635699292542) internal successors, (133372), 51452 states have internal predecessors, (133372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:26:54,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51453 states to 51453 states and 133372 transitions. [2021-06-05 15:26:54,354 INFO L78 Accepts]: Start accepts. Automaton has 51453 states and 133372 transitions. Word has length 44 [2021-06-05 15:26:54,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:26:54,354 INFO L482 AbstractCegarLoop]: Abstraction has 51453 states and 133372 transitions. [2021-06-05 15:26:54,354 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.189189189189189) internal successors, (81), 36 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:26:54,354 INFO L276 IsEmpty]: Start isEmpty. Operand 51453 states and 133372 transitions. [2021-06-05 15:26:54,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 15:26:54,375 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:26:54,375 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:26:54,576 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17713,156 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:26:54,576 INFO L430 AbstractCegarLoop]: === Iteration 161 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:26:54,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:26:54,576 INFO L82 PathProgramCache]: Analyzing trace with hash 1641909810, now seen corresponding path program 156 times [2021-06-05 15:26:54,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:26:54,576 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177194360] [2021-06-05 15:26:54,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:26:54,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:26:54,804 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 51 proven. 61 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:26:54,804 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:26:54,804 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177194360] [2021-06-05 15:26:54,804 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177194360] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:26:54,805 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [683074359] [2021-06-05 15:26:54,805 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 157 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 157 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:26:54,834 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-06-05 15:26:54,834 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:26:54,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 15:26:54,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:26:55,181 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 51 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:26:55,182 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [683074359] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:26:55,182 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:26:55,182 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19] total 35 [2021-06-05 15:26:55,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250419614] [2021-06-05 15:26:55,182 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-06-05 15:26:55,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:26:55,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-06-05 15:26:55,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=207, Invalid=1053, Unknown=0, NotChecked=0, Total=1260 [2021-06-05 15:26:55,182 INFO L87 Difference]: Start difference. First operand 51453 states and 133372 transitions. Second operand has 36 states, 36 states have (on average 2.1944444444444446) internal successors, (79), 35 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:26:58,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:26:58,439 INFO L93 Difference]: Finished difference Result 57683 states and 146274 transitions. [2021-06-05 15:26:58,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-06-05 15:26:58,440 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 2.1944444444444446) internal successors, (79), 35 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-06-05 15:26:58,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:26:58,515 INFO L225 Difference]: With dead ends: 57683 [2021-06-05 15:26:58,515 INFO L226 Difference]: Without dead ends: 57500 [2021-06-05 15:26:58,516 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 158 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9516 ImplicationChecksByTransitivity, 2924.5ms TimeCoverageRelationStatistics Valid=5161, Invalid=20279, Unknown=0, NotChecked=0, Total=25440 [2021-06-05 15:26:58,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57500 states. [2021-06-05 15:26:59,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57500 to 50307. [2021-06-05 15:26:59,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50307 states, 50306 states have (on average 2.5821770762930862) internal successors, (129899), 50306 states have internal predecessors, (129899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:26:59,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50307 states to 50307 states and 129899 transitions. [2021-06-05 15:26:59,522 INFO L78 Accepts]: Start accepts. Automaton has 50307 states and 129899 transitions. Word has length 44 [2021-06-05 15:26:59,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:26:59,522 INFO L482 AbstractCegarLoop]: Abstraction has 50307 states and 129899 transitions. [2021-06-05 15:26:59,522 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 2.1944444444444446) internal successors, (79), 35 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:26:59,522 INFO L276 IsEmpty]: Start isEmpty. Operand 50307 states and 129899 transitions. [2021-06-05 15:26:59,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 15:26:59,543 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:26:59,543 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:26:59,743 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17714,157 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:26:59,744 INFO L430 AbstractCegarLoop]: === Iteration 162 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:26:59,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:26:59,744 INFO L82 PathProgramCache]: Analyzing trace with hash -1238626058, now seen corresponding path program 157 times [2021-06-05 15:26:59,744 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:26:59,744 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297631870] [2021-06-05 15:26:59,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:26:59,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:26:59,874 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 47 proven. 65 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:26:59,874 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:26:59,874 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297631870] [2021-06-05 15:26:59,874 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297631870] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:26:59,874 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1617304090] [2021-06-05 15:26:59,874 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 158 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 158 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:26:59,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:26:59,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 15:26:59,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:27:00,234 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 42 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:27:00,234 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1617304090] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:27:00,234 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:27:00,234 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19] total 35 [2021-06-05 15:27:00,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017640556] [2021-06-05 15:27:00,234 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-06-05 15:27:00,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:27:00,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-06-05 15:27:00,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=211, Invalid=1049, Unknown=0, NotChecked=0, Total=1260 [2021-06-05 15:27:00,235 INFO L87 Difference]: Start difference. First operand 50307 states and 129899 transitions. Second operand has 36 states, 36 states have (on average 2.25) internal successors, (81), 35 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:27:03,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:27:03,325 INFO L93 Difference]: Finished difference Result 60574 states and 152493 transitions. [2021-06-05 15:27:03,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-06-05 15:27:03,325 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 2.25) internal successors, (81), 35 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-06-05 15:27:03,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:27:03,412 INFO L225 Difference]: With dead ends: 60574 [2021-06-05 15:27:03,412 INFO L226 Difference]: Without dead ends: 60574 [2021-06-05 15:27:03,414 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6651 ImplicationChecksByTransitivity, 2483.9ms TimeCoverageRelationStatistics Valid=4738, Invalid=15002, Unknown=0, NotChecked=0, Total=19740 [2021-06-05 15:27:03,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60574 states. [2021-06-05 15:27:04,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60574 to 46600. [2021-06-05 15:27:04,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46600 states, 46599 states have (on average 2.5784029700208158) internal successors, (120151), 46599 states have internal predecessors, (120151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:27:04,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46600 states to 46600 states and 120151 transitions. [2021-06-05 15:27:04,196 INFO L78 Accepts]: Start accepts. Automaton has 46600 states and 120151 transitions. Word has length 44 [2021-06-05 15:27:04,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:27:04,196 INFO L482 AbstractCegarLoop]: Abstraction has 46600 states and 120151 transitions. [2021-06-05 15:27:04,196 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 2.25) internal successors, (81), 35 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:27:04,196 INFO L276 IsEmpty]: Start isEmpty. Operand 46600 states and 120151 transitions. [2021-06-05 15:27:04,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 15:27:04,216 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:27:04,216 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:27:04,417 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17715,158 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:27:04,417 INFO L430 AbstractCegarLoop]: === Iteration 163 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:27:04,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:27:04,417 INFO L82 PathProgramCache]: Analyzing trace with hash -453268686, now seen corresponding path program 158 times [2021-06-05 15:27:04,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:27:04,417 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110007457] [2021-06-05 15:27:04,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:27:04,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:27:04,532 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 43 proven. 69 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:27:04,532 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:27:04,532 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110007457] [2021-06-05 15:27:04,532 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110007457] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:27:04,532 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [720635721] [2021-06-05 15:27:04,532 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 159 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 159 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:27:04,558 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 15:27:04,558 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:27:04,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 15:27:04,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:27:04,883 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 42 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:27:04,883 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [720635721] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:27:04,883 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:27:04,884 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 19] total 34 [2021-06-05 15:27:04,884 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202982817] [2021-06-05 15:27:04,884 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-06-05 15:27:04,884 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:27:04,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-06-05 15:27:04,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=997, Unknown=0, NotChecked=0, Total=1190 [2021-06-05 15:27:04,884 INFO L87 Difference]: Start difference. First operand 46600 states and 120151 transitions. Second operand has 35 states, 35 states have (on average 2.257142857142857) internal successors, (79), 34 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:27:05,692 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 11 [2021-06-05 15:27:07,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:27:07,735 INFO L93 Difference]: Finished difference Result 51978 states and 131845 transitions. [2021-06-05 15:27:07,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-06-05 15:27:07,736 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 2.257142857142857) internal successors, (79), 34 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-06-05 15:27:07,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:27:07,804 INFO L225 Difference]: With dead ends: 51978 [2021-06-05 15:27:07,804 INFO L226 Difference]: Without dead ends: 51840 [2021-06-05 15:27:07,806 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8358 ImplicationChecksByTransitivity, 2566.2ms TimeCoverageRelationStatistics Valid=4391, Invalid=17365, Unknown=0, NotChecked=0, Total=21756 [2021-06-05 15:27:07,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51840 states. [2021-06-05 15:27:08,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51840 to 46019. [2021-06-05 15:27:08,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46019 states, 46018 states have (on average 2.568690512408188) internal successors, (118206), 46018 states have internal predecessors, (118206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:27:08,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46019 states to 46019 states and 118206 transitions. [2021-06-05 15:27:08,604 INFO L78 Accepts]: Start accepts. Automaton has 46019 states and 118206 transitions. Word has length 44 [2021-06-05 15:27:08,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:27:08,604 INFO L482 AbstractCegarLoop]: Abstraction has 46019 states and 118206 transitions. [2021-06-05 15:27:08,605 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 2.257142857142857) internal successors, (79), 34 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:27:08,605 INFO L276 IsEmpty]: Start isEmpty. Operand 46019 states and 118206 transitions. [2021-06-05 15:27:08,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 15:27:08,625 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:27:08,625 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:27:08,826 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 159 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17716 [2021-06-05 15:27:08,826 INFO L430 AbstractCegarLoop]: === Iteration 164 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:27:08,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:27:08,826 INFO L82 PathProgramCache]: Analyzing trace with hash 232001270, now seen corresponding path program 159 times [2021-06-05 15:27:08,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:27:08,826 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010299665] [2021-06-05 15:27:08,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:27:08,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:27:08,943 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 46 proven. 66 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:27:08,943 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:27:08,943 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010299665] [2021-06-05 15:27:08,943 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010299665] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:27:08,943 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2101914833] [2021-06-05 15:27:08,943 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 160 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 160 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:27:08,973 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-06-05 15:27:08,973 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:27:08,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 15:27:08,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:27:09,463 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 42 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:27:09,463 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2101914833] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:27:09,463 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:27:09,463 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 19] total 34 [2021-06-05 15:27:09,463 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293044995] [2021-06-05 15:27:09,463 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-06-05 15:27:09,464 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:27:09,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-06-05 15:27:09,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=996, Unknown=0, NotChecked=0, Total=1190 [2021-06-05 15:27:09,464 INFO L87 Difference]: Start difference. First operand 46019 states and 118206 transitions. Second operand has 35 states, 35 states have (on average 2.3142857142857145) internal successors, (81), 34 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:27:12,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:27:12,579 INFO L93 Difference]: Finished difference Result 58521 states and 146329 transitions. [2021-06-05 15:27:12,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-06-05 15:27:12,580 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 2.3142857142857145) internal successors, (81), 34 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-06-05 15:27:12,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:27:12,654 INFO L225 Difference]: With dead ends: 58521 [2021-06-05 15:27:12,654 INFO L226 Difference]: Without dead ends: 58521 [2021-06-05 15:27:12,655 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 148 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7956 ImplicationChecksByTransitivity, 2684.7ms TimeCoverageRelationStatistics Valid=5503, Invalid=16847, Unknown=0, NotChecked=0, Total=22350 [2021-06-05 15:27:12,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58521 states. [2021-06-05 15:27:13,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58521 to 43122. [2021-06-05 15:27:13,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43122 states, 43121 states have (on average 2.5638551981633078) internal successors, (110556), 43121 states have internal predecessors, (110556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:27:13,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43122 states to 43122 states and 110556 transitions. [2021-06-05 15:27:13,316 INFO L78 Accepts]: Start accepts. Automaton has 43122 states and 110556 transitions. Word has length 44 [2021-06-05 15:27:13,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:27:13,316 INFO L482 AbstractCegarLoop]: Abstraction has 43122 states and 110556 transitions. [2021-06-05 15:27:13,316 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 2.3142857142857145) internal successors, (81), 34 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:27:13,316 INFO L276 IsEmpty]: Start isEmpty. Operand 43122 states and 110556 transitions. [2021-06-05 15:27:13,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 15:27:13,420 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:27:13,420 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:27:13,627 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17717,160 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:27:13,627 INFO L430 AbstractCegarLoop]: === Iteration 165 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:27:13,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:27:13,627 INFO L82 PathProgramCache]: Analyzing trace with hash -486733774, now seen corresponding path program 160 times [2021-06-05 15:27:13,628 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:27:13,628 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618006672] [2021-06-05 15:27:13,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:27:13,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:27:13,731 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 39 proven. 73 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:27:13,731 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:27:13,731 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618006672] [2021-06-05 15:27:13,731 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618006672] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:27:13,731 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1580714200] [2021-06-05 15:27:13,731 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 161 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 161 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:27:13,757 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 15:27:13,757 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:27:13,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 15:27:13,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:27:14,084 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 37 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:27:14,085 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1580714200] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:27:14,085 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:27:14,085 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 19] total 33 [2021-06-05 15:27:14,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220880914] [2021-06-05 15:27:14,085 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-06-05 15:27:14,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:27:14,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-06-05 15:27:14,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=183, Invalid=939, Unknown=0, NotChecked=0, Total=1122 [2021-06-05 15:27:14,085 INFO L87 Difference]: Start difference. First operand 43122 states and 110556 transitions. Second operand has 34 states, 34 states have (on average 2.323529411764706) internal successors, (79), 33 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:27:16,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:27:16,653 INFO L93 Difference]: Finished difference Result 47939 states and 121721 transitions. [2021-06-05 15:27:16,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2021-06-05 15:27:16,653 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 2.323529411764706) internal successors, (79), 33 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-06-05 15:27:16,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:27:16,707 INFO L225 Difference]: With dead ends: 47939 [2021-06-05 15:27:16,707 INFO L226 Difference]: Without dead ends: 47840 [2021-06-05 15:27:16,708 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7396 ImplicationChecksByTransitivity, 2173.6ms TimeCoverageRelationStatistics Valid=3858, Invalid=15048, Unknown=0, NotChecked=0, Total=18906 [2021-06-05 15:27:16,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47840 states. [2021-06-05 15:27:17,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47840 to 43476. [2021-06-05 15:27:17,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43476 states, 43475 states have (on average 2.5605520414031053) internal successors, (111320), 43475 states have internal predecessors, (111320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:27:17,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43476 states to 43476 states and 111320 transitions. [2021-06-05 15:27:17,405 INFO L78 Accepts]: Start accepts. Automaton has 43476 states and 111320 transitions. Word has length 44 [2021-06-05 15:27:17,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:27:17,405 INFO L482 AbstractCegarLoop]: Abstraction has 43476 states and 111320 transitions. [2021-06-05 15:27:17,405 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 2.323529411764706) internal successors, (79), 33 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:27:17,405 INFO L276 IsEmpty]: Start isEmpty. Operand 43476 states and 111320 transitions. [2021-06-05 15:27:17,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 15:27:17,425 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:27:17,425 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:27:17,628 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 161 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17718 [2021-06-05 15:27:17,628 INFO L430 AbstractCegarLoop]: === Iteration 166 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:27:17,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:27:17,629 INFO L82 PathProgramCache]: Analyzing trace with hash -1956410122, now seen corresponding path program 161 times [2021-06-05 15:27:17,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:27:17,629 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958431607] [2021-06-05 15:27:17,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:27:17,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:27:17,736 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 45 proven. 67 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:27:17,736 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:27:17,736 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958431607] [2021-06-05 15:27:17,736 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958431607] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:27:17,736 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [274126253] [2021-06-05 15:27:17,737 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 162 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 162 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:27:17,766 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-06-05 15:27:17,766 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:27:17,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 15:27:17,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:27:18,080 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 42 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:27:18,080 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [274126253] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:27:18,080 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:27:18,081 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 19] total 33 [2021-06-05 15:27:18,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059618245] [2021-06-05 15:27:18,081 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-06-05 15:27:18,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:27:18,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-06-05 15:27:18,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=941, Unknown=0, NotChecked=0, Total=1122 [2021-06-05 15:27:18,081 INFO L87 Difference]: Start difference. First operand 43476 states and 111320 transitions. Second operand has 34 states, 34 states have (on average 2.3823529411764706) internal successors, (81), 33 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:27:21,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:27:21,745 INFO L93 Difference]: Finished difference Result 57787 states and 143896 transitions. [2021-06-05 15:27:21,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2021-06-05 15:27:21,746 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 2.3823529411764706) internal successors, (81), 33 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-06-05 15:27:21,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:27:21,811 INFO L225 Difference]: With dead ends: 57787 [2021-06-05 15:27:21,811 INFO L226 Difference]: Without dead ends: 57787 [2021-06-05 15:27:21,812 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 161 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10047 ImplicationChecksByTransitivity, 2985.9ms TimeCoverageRelationStatistics Valid=6742, Invalid=19664, Unknown=0, NotChecked=0, Total=26406 [2021-06-05 15:27:21,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57787 states. [2021-06-05 15:27:22,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57787 to 41310. [2021-06-05 15:27:22,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41310 states, 41309 states have (on average 2.552760899561839) internal successors, (105452), 41309 states have internal predecessors, (105452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:27:22,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41310 states to 41310 states and 105452 transitions. [2021-06-05 15:27:22,398 INFO L78 Accepts]: Start accepts. Automaton has 41310 states and 105452 transitions. Word has length 44 [2021-06-05 15:27:22,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:27:22,398 INFO L482 AbstractCegarLoop]: Abstraction has 41310 states and 105452 transitions. [2021-06-05 15:27:22,398 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 2.3823529411764706) internal successors, (81), 33 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:27:22,398 INFO L276 IsEmpty]: Start isEmpty. Operand 41310 states and 105452 transitions. [2021-06-05 15:27:22,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 15:27:22,419 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:27:22,419 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:27:22,619 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17719,162 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:27:22,619 INFO L430 AbstractCegarLoop]: === Iteration 167 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:27:22,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:27:22,619 INFO L82 PathProgramCache]: Analyzing trace with hash 1001497906, now seen corresponding path program 162 times [2021-06-05 15:27:22,620 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:27:22,620 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368202511] [2021-06-05 15:27:22,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:27:22,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:27:22,714 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 39 proven. 73 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:27:22,714 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:27:22,714 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368202511] [2021-06-05 15:27:22,714 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368202511] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:27:22,714 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1947189739] [2021-06-05 15:27:22,714 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 163 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 163 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:27:22,743 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-06-05 15:27:22,743 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:27:22,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 15:27:22,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:27:23,060 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 36 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:27:23,060 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1947189739] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:27:23,060 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:27:23,060 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 19] total 32 [2021-06-05 15:27:23,060 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651015176] [2021-06-05 15:27:23,060 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-06-05 15:27:23,060 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:27:23,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-06-05 15:27:23,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=879, Unknown=0, NotChecked=0, Total=1056 [2021-06-05 15:27:23,060 INFO L87 Difference]: Start difference. First operand 41310 states and 105452 transitions. Second operand has 33 states, 33 states have (on average 2.393939393939394) internal successors, (79), 32 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:27:25,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:27:25,492 INFO L93 Difference]: Finished difference Result 45468 states and 115411 transitions. [2021-06-05 15:27:25,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2021-06-05 15:27:25,493 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 2.393939393939394) internal successors, (79), 32 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-06-05 15:27:25,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:27:25,547 INFO L225 Difference]: With dead ends: 45468 [2021-06-05 15:27:25,547 INFO L226 Difference]: Without dead ends: 45402 [2021-06-05 15:27:25,549 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6634 ImplicationChecksByTransitivity, 2118.7ms TimeCoverageRelationStatistics Valid=3507, Invalid=13263, Unknown=0, NotChecked=0, Total=16770 [2021-06-05 15:27:25,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45402 states. [2021-06-05 15:27:26,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45402 to 42444. [2021-06-05 15:27:26,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42444 states, 42443 states have (on average 2.5579483071413427) internal successors, (108567), 42443 states have internal predecessors, (108567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:27:26,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42444 states to 42444 states and 108567 transitions. [2021-06-05 15:27:26,313 INFO L78 Accepts]: Start accepts. Automaton has 42444 states and 108567 transitions. Word has length 44 [2021-06-05 15:27:26,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:27:26,313 INFO L482 AbstractCegarLoop]: Abstraction has 42444 states and 108567 transitions. [2021-06-05 15:27:26,313 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 2.393939393939394) internal successors, (79), 32 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:27:26,314 INFO L276 IsEmpty]: Start isEmpty. Operand 42444 states and 108567 transitions. [2021-06-05 15:27:26,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 15:27:26,334 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:27:26,334 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:27:26,534 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 163 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17720 [2021-06-05 15:27:26,534 INFO L430 AbstractCegarLoop]: === Iteration 168 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:27:26,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:27:26,535 INFO L82 PathProgramCache]: Analyzing trace with hash -2101703946, now seen corresponding path program 163 times [2021-06-05 15:27:26,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:27:26,535 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137073744] [2021-06-05 15:27:26,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:27:26,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:27:26,648 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 44 proven. 68 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:27:26,648 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:27:26,648 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137073744] [2021-06-05 15:27:26,648 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137073744] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:27:26,648 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [406576370] [2021-06-05 15:27:26,648 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 164 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 164 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:27:26,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:27:26,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 15:27:26,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:27:27,015 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 42 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:27:27,015 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [406576370] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:27:27,015 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:27:27,015 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 19] total 32 [2021-06-05 15:27:27,015 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898433429] [2021-06-05 15:27:27,015 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-06-05 15:27:27,016 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:27:27,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-06-05 15:27:27,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=884, Unknown=0, NotChecked=0, Total=1056 [2021-06-05 15:27:27,016 INFO L87 Difference]: Start difference. First operand 42444 states and 108567 transitions. Second operand has 33 states, 33 states have (on average 2.4545454545454546) internal successors, (81), 32 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:27:30,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:27:30,837 INFO L93 Difference]: Finished difference Result 58896 states and 146292 transitions. [2021-06-05 15:27:30,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2021-06-05 15:27:30,837 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 2.4545454545454546) internal successors, (81), 32 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-06-05 15:27:30,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:27:30,911 INFO L225 Difference]: With dead ends: 58896 [2021-06-05 15:27:30,911 INFO L226 Difference]: Without dead ends: 58896 [2021-06-05 15:27:30,913 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 172 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12202 ImplicationChecksByTransitivity, 3106.9ms TimeCoverageRelationStatistics Valid=7994, Invalid=22108, Unknown=0, NotChecked=0, Total=30102 [2021-06-05 15:27:30,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58896 states. [2021-06-05 15:27:31,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58896 to 40884. [2021-06-05 15:27:31,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40884 states, 40883 states have (on average 2.5471711958515764) internal successors, (104136), 40883 states have internal predecessors, (104136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:27:31,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40884 states to 40884 states and 104136 transitions. [2021-06-05 15:27:31,718 INFO L78 Accepts]: Start accepts. Automaton has 40884 states and 104136 transitions. Word has length 44 [2021-06-05 15:27:31,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:27:31,718 INFO L482 AbstractCegarLoop]: Abstraction has 40884 states and 104136 transitions. [2021-06-05 15:27:31,718 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 2.4545454545454546) internal successors, (81), 32 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:27:31,718 INFO L276 IsEmpty]: Start isEmpty. Operand 40884 states and 104136 transitions. [2021-06-05 15:27:31,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 15:27:31,737 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:27:31,737 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:27:31,937 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 164 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17721 [2021-06-05 15:27:31,937 INFO L430 AbstractCegarLoop]: === Iteration 169 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:27:31,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:27:31,937 INFO L82 PathProgramCache]: Analyzing trace with hash -2098625998, now seen corresponding path program 164 times [2021-06-05 15:27:31,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:27:31,938 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291183830] [2021-06-05 15:27:31,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:27:31,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:27:32,045 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 43 proven. 69 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:27:32,045 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:27:32,045 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291183830] [2021-06-05 15:27:32,045 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291183830] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:27:32,045 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [232162478] [2021-06-05 15:27:32,045 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 165 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 165 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:27:32,071 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 15:27:32,071 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:27:32,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 15:27:32,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:27:32,382 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 39 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:27:32,382 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [232162478] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:27:32,382 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:27:32,382 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 19] total 31 [2021-06-05 15:27:32,382 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125651445] [2021-06-05 15:27:32,382 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-05 15:27:32,382 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:27:32,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-05 15:27:32,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=817, Unknown=0, NotChecked=0, Total=992 [2021-06-05 15:27:32,383 INFO L87 Difference]: Start difference. First operand 40884 states and 104136 transitions. Second operand has 32 states, 32 states have (on average 2.46875) internal successors, (79), 31 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:27:34,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:27:34,611 INFO L93 Difference]: Finished difference Result 43828 states and 111069 transitions. [2021-06-05 15:27:34,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-06-05 15:27:34,611 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 2.46875) internal successors, (79), 31 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-06-05 15:27:34,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:27:34,662 INFO L225 Difference]: With dead ends: 43828 [2021-06-05 15:27:34,662 INFO L226 Difference]: Without dead ends: 43789 [2021-06-05 15:27:34,664 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6042 ImplicationChecksByTransitivity, 1887.9ms TimeCoverageRelationStatistics Valid=3289, Invalid=11963, Unknown=0, NotChecked=0, Total=15252 [2021-06-05 15:27:34,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43789 states. [2021-06-05 15:27:35,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43789 to 41700. [2021-06-05 15:27:35,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41700 states, 41699 states have (on average 2.5523633660279623) internal successors, (106431), 41699 states have internal predecessors, (106431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:27:35,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41700 states to 41700 states and 106431 transitions. [2021-06-05 15:27:35,381 INFO L78 Accepts]: Start accepts. Automaton has 41700 states and 106431 transitions. Word has length 44 [2021-06-05 15:27:35,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:27:35,381 INFO L482 AbstractCegarLoop]: Abstraction has 41700 states and 106431 transitions. [2021-06-05 15:27:35,381 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 2.46875) internal successors, (79), 31 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:27:35,381 INFO L276 IsEmpty]: Start isEmpty. Operand 41700 states and 106431 transitions. [2021-06-05 15:27:35,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 15:27:35,400 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:27:35,400 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:27:35,600 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17722,165 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:27:35,601 INFO L430 AbstractCegarLoop]: === Iteration 170 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:27:35,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:27:35,601 INFO L82 PathProgramCache]: Analyzing trace with hash -1078392586, now seen corresponding path program 165 times [2021-06-05 15:27:35,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:27:35,601 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385768427] [2021-06-05 15:27:35,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:27:35,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:27:35,695 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 43 proven. 69 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:27:35,695 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:27:35,695 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385768427] [2021-06-05 15:27:35,695 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385768427] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:27:35,695 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1521972662] [2021-06-05 15:27:35,695 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 166 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 166 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:27:35,723 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-06-05 15:27:35,724 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:27:35,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 15:27:35,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:27:36,031 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 42 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:27:36,031 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1521972662] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:27:36,031 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:27:36,031 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 19] total 31 [2021-06-05 15:27:36,031 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766426020] [2021-06-05 15:27:36,031 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-05 15:27:36,031 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:27:36,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-05 15:27:36,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=825, Unknown=0, NotChecked=0, Total=992 [2021-06-05 15:27:36,032 INFO L87 Difference]: Start difference. First operand 41700 states and 106431 transitions. Second operand has 32 states, 32 states have (on average 2.53125) internal successors, (81), 31 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:27:39,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:27:39,862 INFO L93 Difference]: Finished difference Result 65429 states and 161982 transitions. [2021-06-05 15:27:39,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2021-06-05 15:27:39,862 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 2.53125) internal successors, (81), 31 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-06-05 15:27:39,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:27:39,948 INFO L225 Difference]: With dead ends: 65429 [2021-06-05 15:27:39,948 INFO L226 Difference]: Without dead ends: 65429 [2021-06-05 15:27:39,950 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 177 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13524 ImplicationChecksByTransitivity, 3140.1ms TimeCoverageRelationStatistics Valid=8673, Invalid=23189, Unknown=0, NotChecked=0, Total=31862 [2021-06-05 15:27:40,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65429 states. [2021-06-05 15:27:40,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65429 to 53012. [2021-06-05 15:27:40,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53012 states, 53011 states have (on average 2.526815189300334) internal successors, (133949), 53011 states have internal predecessors, (133949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:27:40,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53012 states to 53012 states and 133949 transitions. [2021-06-05 15:27:40,835 INFO L78 Accepts]: Start accepts. Automaton has 53012 states and 133949 transitions. Word has length 44 [2021-06-05 15:27:40,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:27:40,835 INFO L482 AbstractCegarLoop]: Abstraction has 53012 states and 133949 transitions. [2021-06-05 15:27:40,835 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 2.53125) internal successors, (81), 31 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:27:40,835 INFO L276 IsEmpty]: Start isEmpty. Operand 53012 states and 133949 transitions. [2021-06-05 15:27:40,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 15:27:40,857 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:27:40,857 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:27:41,057 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17723,166 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:27:41,057 INFO L430 AbstractCegarLoop]: === Iteration 171 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:27:41,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:27:41,058 INFO L82 PathProgramCache]: Analyzing trace with hash 7642930, now seen corresponding path program 166 times [2021-06-05 15:27:41,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:27:41,058 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503552383] [2021-06-05 15:27:41,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:27:41,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:27:41,142 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 51 proven. 61 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:27:41,142 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:27:41,142 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503552383] [2021-06-05 15:27:41,142 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503552383] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:27:41,142 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1347754247] [2021-06-05 15:27:41,142 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 167 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 167 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:27:41,167 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 15:27:41,167 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:27:41,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 15:27:41,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:27:41,474 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 46 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:27:41,474 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1347754247] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:27:41,474 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:27:41,474 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 19] total 30 [2021-06-05 15:27:41,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651750948] [2021-06-05 15:27:41,475 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-05 15:27:41,475 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:27:41,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-05 15:27:41,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=753, Unknown=0, NotChecked=0, Total=930 [2021-06-05 15:27:41,475 INFO L87 Difference]: Start difference. First operand 53012 states and 133949 transitions. Second operand has 31 states, 31 states have (on average 2.5483870967741935) internal successors, (79), 30 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:27:43,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:27:43,826 INFO L93 Difference]: Finished difference Result 54400 states and 136833 transitions. [2021-06-05 15:27:43,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2021-06-05 15:27:43,826 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 2.5483870967741935) internal successors, (79), 30 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-06-05 15:27:43,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:27:43,897 INFO L225 Difference]: With dead ends: 54400 [2021-06-05 15:27:43,897 INFO L226 Difference]: Without dead ends: 54382 [2021-06-05 15:27:43,898 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5633 ImplicationChecksByTransitivity, 1977.1ms TimeCoverageRelationStatistics Valid=3161, Invalid=11119, Unknown=0, NotChecked=0, Total=14280 [2021-06-05 15:27:43,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54382 states. [2021-06-05 15:27:44,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54382 to 53296. [2021-06-05 15:27:44,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53296 states, 53295 states have (on average 2.5279106858054226) internal successors, (134725), 53295 states have internal predecessors, (134725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:27:44,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53296 states to 53296 states and 134725 transitions. [2021-06-05 15:27:44,776 INFO L78 Accepts]: Start accepts. Automaton has 53296 states and 134725 transitions. Word has length 44 [2021-06-05 15:27:44,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:27:44,776 INFO L482 AbstractCegarLoop]: Abstraction has 53296 states and 134725 transitions. [2021-06-05 15:27:44,776 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 2.5483870967741935) internal successors, (79), 30 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:27:44,776 INFO L276 IsEmpty]: Start isEmpty. Operand 53296 states and 134725 transitions. [2021-06-05 15:27:44,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 15:27:44,798 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:27:44,799 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:27:45,004 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17724,167 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:27:45,005 INFO L430 AbstractCegarLoop]: === Iteration 172 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:27:45,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:27:45,005 INFO L82 PathProgramCache]: Analyzing trace with hash -2042689802, now seen corresponding path program 167 times [2021-06-05 15:27:45,005 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:27:45,005 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093704841] [2021-06-05 15:27:45,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:27:45,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:27:45,094 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 42 proven. 70 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:27:45,094 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:27:45,094 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093704841] [2021-06-05 15:27:45,094 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093704841] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:27:45,094 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2104048950] [2021-06-05 15:27:45,094 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 168 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 168 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:27:45,122 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-06-05 15:27:45,122 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:27:45,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 15:27:45,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:27:45,428 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 42 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:27:45,428 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2104048950] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:27:45,428 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:27:45,428 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 19] total 30 [2021-06-05 15:27:45,428 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704106192] [2021-06-05 15:27:45,428 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-05 15:27:45,428 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:27:45,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-05 15:27:45,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=764, Unknown=0, NotChecked=0, Total=930 [2021-06-05 15:27:45,429 INFO L87 Difference]: Start difference. First operand 53296 states and 134725 transitions. Second operand has 31 states, 31 states have (on average 2.6451612903225805) internal successors, (82), 30 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:27:47,104 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 9 [2021-06-05 15:27:49,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:27:49,160 INFO L93 Difference]: Finished difference Result 86323 states and 215533 transitions. [2021-06-05 15:27:49,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2021-06-05 15:27:49,160 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 2.6451612903225805) internal successors, (82), 30 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-06-05 15:27:49,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:27:49,454 INFO L225 Difference]: With dead ends: 86323 [2021-06-05 15:27:49,454 INFO L226 Difference]: Without dead ends: 86323 [2021-06-05 15:27:49,455 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 175 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13427 ImplicationChecksByTransitivity, 3140.8ms TimeCoverageRelationStatistics Valid=8410, Invalid=22742, Unknown=0, NotChecked=0, Total=31152 [2021-06-05 15:27:49,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86323 states. [2021-06-05 15:27:50,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86323 to 78657. [2021-06-05 15:27:50,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78657 states, 78656 states have (on average 2.526622253864931) internal successors, (198734), 78656 states have internal predecessors, (198734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:27:50,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78657 states to 78657 states and 198734 transitions. [2021-06-05 15:27:50,593 INFO L78 Accepts]: Start accepts. Automaton has 78657 states and 198734 transitions. Word has length 44 [2021-06-05 15:27:50,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:27:50,594 INFO L482 AbstractCegarLoop]: Abstraction has 78657 states and 198734 transitions. [2021-06-05 15:27:50,594 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 2.6451612903225805) internal successors, (82), 30 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:27:50,594 INFO L276 IsEmpty]: Start isEmpty. Operand 78657 states and 198734 transitions. [2021-06-05 15:27:50,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 15:27:50,624 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:27:50,624 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:27:50,824 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17725,168 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:27:50,824 INFO L430 AbstractCegarLoop]: === Iteration 173 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:27:50,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:27:50,824 INFO L82 PathProgramCache]: Analyzing trace with hash 306256860, now seen corresponding path program 168 times [2021-06-05 15:27:50,824 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:27:50,825 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186257290] [2021-06-05 15:27:50,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:27:50,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:27:50,904 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 57 proven. 55 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:27:50,904 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:27:50,904 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186257290] [2021-06-05 15:27:50,904 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186257290] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:27:50,904 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [161345014] [2021-06-05 15:27:50,905 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 169 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 169 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:27:50,933 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-06-05 15:27:50,933 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:27:50,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 15:27:50,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:27:51,232 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 51 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:27:51,232 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [161345014] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:27:51,233 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:27:51,233 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 19] total 29 [2021-06-05 15:27:51,233 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769535408] [2021-06-05 15:27:51,233 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-05 15:27:51,233 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:27:51,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-05 15:27:51,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=706, Unknown=0, NotChecked=0, Total=870 [2021-06-05 15:27:51,233 INFO L87 Difference]: Start difference. First operand 78657 states and 198734 transitions. Second operand has 30 states, 30 states have (on average 2.6) internal successors, (78), 29 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:27:52,566 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 10 [2021-06-05 15:27:53,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:27:53,567 INFO L93 Difference]: Finished difference Result 84367 states and 210829 transitions. [2021-06-05 15:27:53,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2021-06-05 15:27:53,567 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 2.6) internal successors, (78), 29 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-06-05 15:27:53,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:27:53,692 INFO L225 Difference]: With dead ends: 84367 [2021-06-05 15:27:53,692 INFO L226 Difference]: Without dead ends: 84363 [2021-06-05 15:27:53,693 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5298 ImplicationChecksByTransitivity, 1917.3ms TimeCoverageRelationStatistics Valid=3932, Invalid=10348, Unknown=0, NotChecked=0, Total=14280 [2021-06-05 15:27:53,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84363 states. [2021-06-05 15:27:54,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84363 to 77090. [2021-06-05 15:27:54,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77090 states, 77089 states have (on average 2.5228631841118707) internal successors, (194485), 77089 states have internal predecessors, (194485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:27:55,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77090 states to 77090 states and 194485 transitions. [2021-06-05 15:27:55,069 INFO L78 Accepts]: Start accepts. Automaton has 77090 states and 194485 transitions. Word has length 44 [2021-06-05 15:27:55,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:27:55,069 INFO L482 AbstractCegarLoop]: Abstraction has 77090 states and 194485 transitions. [2021-06-05 15:27:55,069 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 2.6) internal successors, (78), 29 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:27:55,069 INFO L276 IsEmpty]: Start isEmpty. Operand 77090 states and 194485 transitions. [2021-06-05 15:27:55,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 15:27:55,099 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:27:55,099 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:27:55,300 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 169 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17726 [2021-06-05 15:27:55,300 INFO L430 AbstractCegarLoop]: === Iteration 174 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:27:55,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:27:55,300 INFO L82 PathProgramCache]: Analyzing trace with hash -200089406, now seen corresponding path program 169 times [2021-06-05 15:27:55,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:27:55,300 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775317410] [2021-06-05 15:27:55,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:27:55,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:27:55,576 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 50 proven. 62 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:27:55,576 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:27:55,576 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775317410] [2021-06-05 15:27:55,576 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775317410] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:27:55,576 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1160765369] [2021-06-05 15:27:55,576 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 170 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 170 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:27:55,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:27:55,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 15:27:55,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:27:55,912 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 45 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:27:55,913 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1160765369] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:27:55,913 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:27:55,913 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 19] total 30 [2021-06-05 15:27:55,913 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555926132] [2021-06-05 15:27:55,913 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-05 15:27:55,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:27:55,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-05 15:27:55,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=768, Unknown=0, NotChecked=0, Total=930 [2021-06-05 15:27:55,913 INFO L87 Difference]: Start difference. First operand 77090 states and 194485 transitions. Second operand has 31 states, 31 states have (on average 2.5161290322580645) internal successors, (78), 30 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:27:58,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:27:58,133 INFO L93 Difference]: Finished difference Result 85074 states and 212705 transitions. [2021-06-05 15:27:58,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-06-05 15:27:58,133 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 2.5161290322580645) internal successors, (78), 30 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-06-05 15:27:58,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:27:58,256 INFO L225 Difference]: With dead ends: 85074 [2021-06-05 15:27:58,256 INFO L226 Difference]: Without dead ends: 85062 [2021-06-05 15:27:58,257 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4961 ImplicationChecksByTransitivity, 1984.3ms TimeCoverageRelationStatistics Valid=3535, Invalid=10037, Unknown=0, NotChecked=0, Total=13572 [2021-06-05 15:27:58,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85062 states. [2021-06-05 15:27:59,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85062 to 75692. [2021-06-05 15:27:59,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75692 states, 75691 states have (on average 2.5230740774993063) internal successors, (190974), 75691 states have internal predecessors, (190974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:27:59,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75692 states to 75692 states and 190974 transitions. [2021-06-05 15:27:59,590 INFO L78 Accepts]: Start accepts. Automaton has 75692 states and 190974 transitions. Word has length 44 [2021-06-05 15:27:59,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:27:59,590 INFO L482 AbstractCegarLoop]: Abstraction has 75692 states and 190974 transitions. [2021-06-05 15:27:59,590 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 2.5161290322580645) internal successors, (78), 30 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:27:59,590 INFO L276 IsEmpty]: Start isEmpty. Operand 75692 states and 190974 transitions. [2021-06-05 15:27:59,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 15:27:59,619 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:27:59,619 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:27:59,819 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17727,170 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:27:59,819 INFO L430 AbstractCegarLoop]: === Iteration 175 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:27:59,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:27:59,820 INFO L82 PathProgramCache]: Analyzing trace with hash -427310786, now seen corresponding path program 170 times [2021-06-05 15:27:59,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:27:59,820 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864804591] [2021-06-05 15:27:59,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:27:59,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:28:00,092 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 41 proven. 71 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:28:00,092 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:28:00,092 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864804591] [2021-06-05 15:28:00,092 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864804591] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:28:00,092 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1894316091] [2021-06-05 15:28:00,092 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 171 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 171 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:28:00,124 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 15:28:00,125 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:28:00,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 15:28:00,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:28:00,432 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 37 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:28:00,432 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1894316091] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:28:00,432 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:28:00,433 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 19] total 31 [2021-06-05 15:28:00,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289042142] [2021-06-05 15:28:00,433 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-05 15:28:00,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:28:00,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-05 15:28:00,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=827, Unknown=0, NotChecked=0, Total=992 [2021-06-05 15:28:00,433 INFO L87 Difference]: Start difference. First operand 75692 states and 190974 transitions. Second operand has 32 states, 32 states have (on average 2.4375) internal successors, (78), 31 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:28:02,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:28:02,556 INFO L93 Difference]: Finished difference Result 86749 states and 216938 transitions. [2021-06-05 15:28:02,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-06-05 15:28:02,557 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 2.4375) internal successors, (78), 31 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-06-05 15:28:02,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:28:02,675 INFO L225 Difference]: With dead ends: 86749 [2021-06-05 15:28:02,675 INFO L226 Difference]: Without dead ends: 86729 [2021-06-05 15:28:02,676 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4795 ImplicationChecksByTransitivity, 1948.6ms TimeCoverageRelationStatistics Valid=3294, Invalid=10046, Unknown=0, NotChecked=0, Total=13340 [2021-06-05 15:28:02,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86729 states. [2021-06-05 15:28:03,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86729 to 75153. [2021-06-05 15:28:03,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75153 states, 75152 states have (on average 2.524097828401107) internal successors, (189691), 75152 states have internal predecessors, (189691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:28:03,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75153 states to 75153 states and 189691 transitions. [2021-06-05 15:28:03,945 INFO L78 Accepts]: Start accepts. Automaton has 75153 states and 189691 transitions. Word has length 44 [2021-06-05 15:28:03,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:28:03,945 INFO L482 AbstractCegarLoop]: Abstraction has 75153 states and 189691 transitions. [2021-06-05 15:28:03,945 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 2.4375) internal successors, (78), 31 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:28:03,945 INFO L276 IsEmpty]: Start isEmpty. Operand 75153 states and 189691 transitions. [2021-06-05 15:28:03,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 15:28:03,975 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:28:03,975 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:28:04,175 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 171 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17728 [2021-06-05 15:28:04,175 INFO L430 AbstractCegarLoop]: === Iteration 176 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:28:04,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:28:04,175 INFO L82 PathProgramCache]: Analyzing trace with hash 256275130, now seen corresponding path program 171 times [2021-06-05 15:28:04,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:28:04,176 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818455993] [2021-06-05 15:28:04,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:28:04,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:28:04,277 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 36 proven. 76 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:28:04,278 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:28:04,278 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818455993] [2021-06-05 15:28:04,278 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818455993] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:28:04,278 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [667376343] [2021-06-05 15:28:04,278 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 172 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 172 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:28:04,307 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-06-05 15:28:04,307 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:28:04,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 15:28:04,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:28:04,808 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 33 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:28:04,808 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [667376343] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:28:04,808 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:28:04,808 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 19] total 32 [2021-06-05 15:28:04,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449287583] [2021-06-05 15:28:04,808 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-06-05 15:28:04,808 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:28:04,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-06-05 15:28:04,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=884, Unknown=0, NotChecked=0, Total=1056 [2021-06-05 15:28:04,809 INFO L87 Difference]: Start difference. First operand 75153 states and 189691 transitions. Second operand has 33 states, 33 states have (on average 2.3636363636363638) internal successors, (78), 32 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:28:07,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:28:07,123 INFO L93 Difference]: Finished difference Result 90212 states and 225708 transitions. [2021-06-05 15:28:07,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-06-05 15:28:07,124 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 2.3636363636363638) internal successors, (78), 32 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-06-05 15:28:07,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:28:07,251 INFO L225 Difference]: With dead ends: 90212 [2021-06-05 15:28:07,251 INFO L226 Difference]: Without dead ends: 90184 [2021-06-05 15:28:07,252 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4807 ImplicationChecksByTransitivity, 2099.2ms TimeCoverageRelationStatistics Valid=3214, Invalid=10358, Unknown=0, NotChecked=0, Total=13572 [2021-06-05 15:28:07,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90184 states. [2021-06-05 15:28:08,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90184 to 77078. [2021-06-05 15:28:08,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77078 states, 77077 states have (on average 2.5283158400041517) internal successors, (194875), 77077 states have internal predecessors, (194875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:28:08,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77078 states to 77078 states and 194875 transitions. [2021-06-05 15:28:08,584 INFO L78 Accepts]: Start accepts. Automaton has 77078 states and 194875 transitions. Word has length 44 [2021-06-05 15:28:08,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:28:08,584 INFO L482 AbstractCegarLoop]: Abstraction has 77078 states and 194875 transitions. [2021-06-05 15:28:08,584 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 2.3636363636363638) internal successors, (78), 32 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:28:08,584 INFO L276 IsEmpty]: Start isEmpty. Operand 77078 states and 194875 transitions. [2021-06-05 15:28:08,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 15:28:08,615 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:28:08,615 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:28:08,816 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17729,172 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:28:08,817 INFO L430 AbstractCegarLoop]: === Iteration 177 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:28:08,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:28:08,817 INFO L82 PathProgramCache]: Analyzing trace with hash 52344118, now seen corresponding path program 172 times [2021-06-05 15:28:08,817 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:28:08,817 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806001256] [2021-06-05 15:28:08,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:28:08,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:28:08,929 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 35 proven. 77 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:28:08,929 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:28:08,929 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806001256] [2021-06-05 15:28:08,929 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806001256] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:28:08,929 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1491579869] [2021-06-05 15:28:08,929 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 173 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 173 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:28:08,956 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 15:28:08,956 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:28:08,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 15:28:08,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:28:09,284 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 33 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:28:09,284 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1491579869] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:28:09,284 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:28:09,284 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 19] total 33 [2021-06-05 15:28:09,284 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757786248] [2021-06-05 15:28:09,284 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-06-05 15:28:09,284 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:28:09,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-06-05 15:28:09,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=183, Invalid=939, Unknown=0, NotChecked=0, Total=1122 [2021-06-05 15:28:09,285 INFO L87 Difference]: Start difference. First operand 77078 states and 194875 transitions. Second operand has 34 states, 34 states have (on average 2.2941176470588234) internal successors, (78), 33 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:28:09,763 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 10 [2021-06-05 15:28:11,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:28:11,878 INFO L93 Difference]: Finished difference Result 96683 states and 242166 transitions. [2021-06-05 15:28:11,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-06-05 15:28:11,879 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 2.2941176470588234) internal successors, (78), 33 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-06-05 15:28:11,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:28:12,018 INFO L225 Difference]: With dead ends: 96683 [2021-06-05 15:28:12,018 INFO L226 Difference]: Without dead ends: 96647 [2021-06-05 15:28:12,019 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5019 ImplicationChecksByTransitivity, 2040.0ms TimeCoverageRelationStatistics Valid=3299, Invalid=10981, Unknown=0, NotChecked=0, Total=14280 [2021-06-05 15:28:12,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96647 states. [2021-06-05 15:28:13,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96647 to 83208. [2021-06-05 15:28:13,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83208 states, 83207 states have (on average 2.53622892304734) internal successors, (211032), 83207 states have internal predecessors, (211032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:28:13,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83208 states to 83208 states and 211032 transitions. [2021-06-05 15:28:13,534 INFO L78 Accepts]: Start accepts. Automaton has 83208 states and 211032 transitions. Word has length 44 [2021-06-05 15:28:13,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:28:13,534 INFO L482 AbstractCegarLoop]: Abstraction has 83208 states and 211032 transitions. [2021-06-05 15:28:13,534 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 2.2941176470588234) internal successors, (78), 33 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:28:13,534 INFO L276 IsEmpty]: Start isEmpty. Operand 83208 states and 211032 transitions. [2021-06-05 15:28:13,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 15:28:13,565 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:28:13,565 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:28:13,765 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 173 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17730 [2021-06-05 15:28:13,766 INFO L430 AbstractCegarLoop]: === Iteration 178 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:28:13,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:28:13,766 INFO L82 PathProgramCache]: Analyzing trace with hash 1643137202, now seen corresponding path program 173 times [2021-06-05 15:28:13,766 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:28:13,766 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466004558] [2021-06-05 15:28:13,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:28:13,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:28:13,887 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 38 proven. 74 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:28:13,888 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:28:13,888 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466004558] [2021-06-05 15:28:13,888 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466004558] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:28:13,888 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1909430361] [2021-06-05 15:28:13,888 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 174 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 174 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:28:13,916 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-06-05 15:28:13,916 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:28:13,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 15:28:13,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:28:14,248 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 37 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:28:14,248 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1909430361] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:28:14,248 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:28:14,248 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 19] total 34 [2021-06-05 15:28:14,248 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844816909] [2021-06-05 15:28:14,248 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-06-05 15:28:14,248 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:28:14,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-06-05 15:28:14,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=198, Invalid=992, Unknown=0, NotChecked=0, Total=1190 [2021-06-05 15:28:14,248 INFO L87 Difference]: Start difference. First operand 83208 states and 211032 transitions. Second operand has 35 states, 35 states have (on average 2.2285714285714286) internal successors, (78), 34 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:28:16,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:28:16,914 INFO L93 Difference]: Finished difference Result 107665 states and 269841 transitions. [2021-06-05 15:28:16,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2021-06-05 15:28:16,915 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 2.2285714285714286) internal successors, (78), 34 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-06-05 15:28:16,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:28:17,081 INFO L225 Difference]: With dead ends: 107665 [2021-06-05 15:28:17,081 INFO L226 Difference]: Without dead ends: 107621 [2021-06-05 15:28:17,082 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5471 ImplicationChecksByTransitivity, 2113.7ms TimeCoverageRelationStatistics Valid=3551, Invalid=11949, Unknown=0, NotChecked=0, Total=15500 [2021-06-05 15:28:17,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107621 states. [2021-06-05 15:28:18,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107621 to 100757. [2021-06-05 15:28:19,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100757 states, 100756 states have (on average 2.537149152407797) internal successors, (255633), 100756 states have internal predecessors, (255633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:28:19,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100757 states to 100757 states and 255633 transitions. [2021-06-05 15:28:19,214 INFO L78 Accepts]: Start accepts. Automaton has 100757 states and 255633 transitions. Word has length 44 [2021-06-05 15:28:19,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:28:19,214 INFO L482 AbstractCegarLoop]: Abstraction has 100757 states and 255633 transitions. [2021-06-05 15:28:19,214 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 2.2285714285714286) internal successors, (78), 34 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:28:19,214 INFO L276 IsEmpty]: Start isEmpty. Operand 100757 states and 255633 transitions. [2021-06-05 15:28:19,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 15:28:19,252 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:28:19,252 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:28:19,452 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 174 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17731 [2021-06-05 15:28:19,452 INFO L430 AbstractCegarLoop]: === Iteration 179 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:28:19,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:28:19,452 INFO L82 PathProgramCache]: Analyzing trace with hash 1386933550, now seen corresponding path program 174 times [2021-06-05 15:28:19,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:28:19,453 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180161531] [2021-06-05 15:28:19,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:28:19,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:28:19,585 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 45 proven. 67 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:28:19,585 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:28:19,585 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180161531] [2021-06-05 15:28:19,585 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180161531] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:28:19,585 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1271997848] [2021-06-05 15:28:19,585 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 175 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 175 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:28:19,614 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-06-05 15:28:19,614 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:28:19,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 15:28:19,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:28:19,953 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 45 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:28:19,953 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1271997848] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:28:19,953 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:28:19,953 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19] total 35 [2021-06-05 15:28:19,953 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960818608] [2021-06-05 15:28:19,954 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-06-05 15:28:19,954 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:28:19,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-06-05 15:28:19,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=217, Invalid=1043, Unknown=0, NotChecked=0, Total=1260 [2021-06-05 15:28:19,954 INFO L87 Difference]: Start difference. First operand 100757 states and 255633 transitions. Second operand has 36 states, 36 states have (on average 2.1666666666666665) internal successors, (78), 35 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:28:22,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:28:22,913 INFO L93 Difference]: Finished difference Result 124940 states and 312736 transitions. [2021-06-05 15:28:22,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2021-06-05 15:28:22,914 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 2.1666666666666665) internal successors, (78), 35 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-06-05 15:28:22,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:28:23,112 INFO L225 Difference]: With dead ends: 124940 [2021-06-05 15:28:23,112 INFO L226 Difference]: Without dead ends: 124888 [2021-06-05 15:28:23,113 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6212 ImplicationChecksByTransitivity, 2375.8ms TimeCoverageRelationStatistics Valid=3970, Invalid=13322, Unknown=0, NotChecked=0, Total=17292 [2021-06-05 15:28:23,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124888 states. [2021-06-05 15:28:25,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124888 to 117482. [2021-06-05 15:28:25,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117482 states, 117481 states have (on average 2.532120087503511) internal successors, (297476), 117481 states have internal predecessors, (297476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:28:25,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117482 states to 117482 states and 297476 transitions. [2021-06-05 15:28:25,482 INFO L78 Accepts]: Start accepts. Automaton has 117482 states and 297476 transitions. Word has length 44 [2021-06-05 15:28:25,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:28:25,482 INFO L482 AbstractCegarLoop]: Abstraction has 117482 states and 297476 transitions. [2021-06-05 15:28:25,482 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 2.1666666666666665) internal successors, (78), 35 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:28:25,482 INFO L276 IsEmpty]: Start isEmpty. Operand 117482 states and 297476 transitions. [2021-06-05 15:28:25,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 15:28:25,528 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:28:25,528 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:28:25,728 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 175 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17732 [2021-06-05 15:28:25,729 INFO L430 AbstractCegarLoop]: === Iteration 180 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:28:25,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:28:25,729 INFO L82 PathProgramCache]: Analyzing trace with hash -11640150, now seen corresponding path program 175 times [2021-06-05 15:28:25,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:28:25,729 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057569399] [2021-06-05 15:28:25,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:28:25,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:28:25,873 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 57 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:28:25,874 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:28:25,874 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057569399] [2021-06-05 15:28:25,874 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057569399] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:28:25,874 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [82005677] [2021-06-05 15:28:25,874 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 176 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 176 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:28:25,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:28:25,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 15:28:25,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:28:26,498 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2021-06-05 15:28:26,508 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 57 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:28:26,508 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [82005677] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:28:26,508 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:28:26,508 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 36 [2021-06-05 15:28:26,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67051904] [2021-06-05 15:28:26,508 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-05 15:28:26,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:28:26,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-05 15:28:26,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=240, Invalid=1092, Unknown=0, NotChecked=0, Total=1332 [2021-06-05 15:28:26,508 INFO L87 Difference]: Start difference. First operand 117482 states and 297476 transitions. Second operand has 37 states, 37 states have (on average 2.108108108108108) internal successors, (78), 36 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:28:28,663 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 14 [2021-06-05 15:28:29,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:28:29,394 INFO L93 Difference]: Finished difference Result 124691 states and 312700 transitions. [2021-06-05 15:28:29,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-06-05 15:28:29,394 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 2.108108108108108) internal successors, (78), 36 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-06-05 15:28:29,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:28:29,603 INFO L225 Difference]: With dead ends: 124691 [2021-06-05 15:28:29,603 INFO L226 Difference]: Without dead ends: 124631 [2021-06-05 15:28:29,604 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7310 ImplicationChecksByTransitivity, 2724.9ms TimeCoverageRelationStatistics Valid=4554, Invalid=15186, Unknown=0, NotChecked=0, Total=19740 [2021-06-05 15:28:29,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124631 states. [2021-06-05 15:28:31,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124631 to 117691. [2021-06-05 15:28:31,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117691 states, 117690 states have (on average 2.5337921658594613) internal successors, (298202), 117690 states have internal predecessors, (298202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:28:31,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117691 states to 117691 states and 298202 transitions. [2021-06-05 15:28:31,989 INFO L78 Accepts]: Start accepts. Automaton has 117691 states and 298202 transitions. Word has length 44 [2021-06-05 15:28:31,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:28:31,989 INFO L482 AbstractCegarLoop]: Abstraction has 117691 states and 298202 transitions. [2021-06-05 15:28:31,989 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.108108108108108) internal successors, (78), 36 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:28:31,989 INFO L276 IsEmpty]: Start isEmpty. Operand 117691 states and 298202 transitions. [2021-06-05 15:28:32,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-06-05 15:28:32,051 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:28:32,051 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:28:32,251 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17733,176 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:28:32,251 INFO L430 AbstractCegarLoop]: === Iteration 181 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:28:32,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:28:32,252 INFO L82 PathProgramCache]: Analyzing trace with hash 1337753140, now seen corresponding path program 176 times [2021-06-05 15:28:32,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:28:32,252 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076432876] [2021-06-05 15:28:32,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:28:32,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:28:32,316 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:28:32,316 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:28:32,316 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076432876] [2021-06-05 15:28:32,316 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076432876] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:28:32,316 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1914922020] [2021-06-05 15:28:32,316 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 177 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 177 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:28:32,343 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 15:28:32,343 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:28:32,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 51 conjunts are in the unsatisfiable core [2021-06-05 15:28:32,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:28:32,610 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 81 [2021-06-05 15:28:32,610 INFO L354 Elim1Store]: treesize reduction 96, result has 57.3 percent of original size [2021-06-05 15:28:32,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 188 treesize of output 193 [2021-06-05 15:28:32,614 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:28:32,682 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:28:32,683 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:28:32,683 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:188, output treesize:628 [2021-06-05 15:28:33,076 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2021-06-05 15:28:33,633 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-06-05 15:28:42,339 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 16 [2021-06-05 15:29:49,803 WARN L205 SmtUtils]: Spent 1.10 m on a formula simplification. DAG size of input: 2935 DAG size of output: 2935 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown